CN1167962C - High efficiency electromagnetic beam projector, and systems and methods for implementation thereof - Google Patents
High efficiency electromagnetic beam projector, and systems and methods for implementation thereof Download PDFInfo
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Abstract
The present invention relates to a projection technique for the formation of electromagnetic wave beam paths (144, 152, 160) and reflection beams, the illumination of a programmable electromagnetic wave field vector orientation rotation device (PEMFVORD) and the modulation of wave beams. The present invention also relates to a light projecting system for the formation of a unique light path, particularly to a method for rectangular light beams (40) of a projector of a color and/or a black and white liquid crystal devices (116, 118). The projector can generate pictures with high resolution, high brightness and /or three-dimensional performance. The present invention also relates to a device capable of receiving and displaying two-dimensional and three-dimensional pictures.
Description
Invention field
The present invention relates to a kind of method and system that produce following light beam and image: (i) Tiao Zhi electromagnetic energy beams, (ii) Tiao Zhi light or ultraviolet light beam, (iii) be used to the visual image that shows, the electromagnetic energy beams of (iv) a branch of or multi beam conllinear, (the ultraviolet light beam of v) a branch of or multi beam conllinear, (vi) Tiao Zhi visible light beam, wherein increase when projecting lens brightness of image when the distance of screen increases to about 10 feet, (the modulated beam of light that vii) is used for the projection video image, (the electromagnetic energy beams that viii) has the conllinear of two ingredients, (ix) has the co-linear beams (or ultraviolet light beam) of two ingredients, (x) electromagnetic energy beams of a branch of or multi beam conllinear, (xi) a branch of or the light beam of multi beam conllinear or the electromagnetic energy beams that ultraviolet light beam (xii) is calibrated basically, wherein the selected composition of electromagnetic wave field arrow has substantially the same predetermined orientation, and be used for having basically rate of flow uniformly on the xsect of electromagnetic energy beams of said method and system, (xiii) light beam of calibrating basically (or ultraviolet light beam), wherein the selected composition of electric field arrow has substantially the same predetermined orientation, and the beam cross section that is used for said method and system has basically rate of flow and (xiv) a demonstration two dimension (2D) or three-dimensional (3D) image uniformly.The invention still further relates to projection type color monitor and projection arrangement.
Background of invention
The distribution of space-time structure (variation of each particle position or state) produces a sphere of influence.Briefly, the effect of a particle can influence the effect of other particle approaching with it.This sphere of influence is called " field ", and this both can be expressed as electric field and also can be expressed as magnetic field (it will influence other particle afterwards).The moving direction of particle is called the direction of propagation.The mode that the propagation of particle, the sphere of influence and it influence other particle is referred to as electromagnetic wave, and is shown in Fig. 1.
As shown in Figure 1, electric field and magnetic field are each other and direction of propagation quadrature (being in the right angle).These concrete certain a bit or the situation in a certain given area in the space can be expressed as vector (show induction direction and intensity, promptly respond to amplitude) with mathematical way.Thereby Figure 1A is that Fig. 1 looks along propagation axis, i.e. electromagnetic wave of looking along X-axis among Fig. 1.What Figure 1A represented is that the various electric fields that possible exist vow can there be all possible any vector around the annulus certainly, and each vector to have different amplitudes.
Can be the ingredient of resolution of vectors one-tenth along two axles.This is for convenience's sake, and is in order to produce our understandable reference frame.With reference to Figure 1B, electric field vows that E can resolve into two ingredients, E (y) and E (x) as can be seen.Go to describe direction and the size of electric field arrow with this tittle, can certainly select other coordinate or system along two axle x and y.Except that will adopting X and Z axle, foregoing is equally applicable to magnetic field.
The time dependent relation of the intensity in electric field and magnetic field and direction is obtained by several famous mathematicians and physicist, has derived one group of fundamental equation, i.e. the McQuay equation.These equations are illustrated and to be vowed and can be in any in several different conditions, promptly randomly changing on a period of time is vowed in (1) field, or (2) arrow can change direction with circular pattern, or (3) arrow can change direction in oval mode, or (4) arrow can keep size and Orientation constant, therefore a vector potential is on a plane, and is a two dimensional surface.
The direction of vowing with and the mode that changes in time be called polarization state.
Electromagnetic wave can resolve into has the electromagnetic wave that separates that direction is vowed in predetermined field.Then this electromagnetic wave with predetermined field arrow orientation is led to a kind of material, as liquid crystal device, as shown in Figure 7, the orientation that this material or device can change when applying external drive or vow the conversion field.These devices are exactly that electromagnetic wave field able to programme is to rotary device (PEMFVORD).
Electromagnetic characteristic parameter is its frequency or wavelength.Electromagnetic wave spectrum (scope) from zero-shortwave limit to endless-long wave ultimate extension.The zone of different wave length has provided title in the age in the past, as cosmic rays, alpha ray, β ray, gamma-rays, X ray, ultraviolet ray, visible light, infrared ray, microwave, TV and FM radio frequency, shortwave, AM, maritime affairs communication etc.It all is to show an electromagnetic specific frequency range that these all shorthands are expressed.
The zones of different of wave spectrum interacts with different ratio with electromagnetic effect on it, and its lower portion is subjected to the influence in magnetic field more, and high end parts is subjected to electric field effects.Thereby if comprise a kind of nuclear reaction, just must adopt a magnetic field, and, then adopt electric field in the control light time.
Fig. 2 represents the sectional view synoptic diagram of LCD box.LCD box 100 comprises a kind of liquid crystal material 101 that is included between two transparency carriers 103,104.Sept 105,106 is used for separately transparency carrier 103,104.Seal element 107,108 is sealed in liquid crystal material between the transparency carrier 103,104.Conductor coatings 109,110 on the transparency carrier 103,104 is given liquid crystal material 101 with suitable electrical signal conduction.
As in most of LCD box of optical presentation system, the type of liquid crystal material is " a twisted-nematic phase ".Usually, for twisted-nematic phase LCD box, when not having electric field, the molecule of LCD box is at half-twist angle between the transparency carrier 103 and 104 up and down.When applying electric field, molecule does not reverse and is arranged in a linear on the direction of an electric field that applies.The change of molecules align causes the birefringence effect of liquid crystal cell to change.In homogeneous ordering, the birefringence of liquid crystal cell is little from changing to greatly, and under vertical situation, then situation is opposite.Birefringent change causes changing on electric field arrow orientation by the light of LCD.The molecule rotation amount of each LCD box 100 will determine the amount that light beam polarization direction on this pixel (orientation that electric field is vowed) changes.Then light beam is passed another part of this system (analyzer), and photolysis is become different light beams, vow that the Guang Yilu of composition walks and finally be mapped to the display screen that is used to show and have predetermined electric field by the orientation of their electric fields arrow.
The light that LCD box 100 is incided in the requirement of twisted-nematic phase LCD box is polarized light.The polarized light that is used for the canonical projection instrument usually sends from the random polarization light source, by plastic polarizer collimation and optical filtering, thereby provides a branch of linearly polarized photon.Linear polarized beam is known as S polarized light and P polarized light routinely, and the P polarized light is defined as and is being parallel to the direction polarization of the plane of incidence, and the S polarized light is defined as at the direction polarization perpendicular to the plane of incidence.
The development of PEMFVORD technology brings the development of LCD projector, the orientation (see figure 7) that the electric field that the LCD projector utilizes one or more LCD to change projected light beam is vowed.The birefringence of each LCD pixel optionally changes by proper device such as cathode-ray tube (CRT), laser instrument or circuit arrangement.Typical liquid crystal light valve (LCLV) projector comprises a lamp source, is used to produce a branch of light beam that passes analyzer.This polarized light guiding LCD changes polarization state according to the image that will show.After LCD penetrated, light beam was by the plastics analyzer, and this analyzer is used for stoping or light absorbing nonuseable part.Amplify the image that forms by projection lens system then, thereby on display screen, form resembling of an amplification.
Colored LCLV projector typically comprises the color separation device, as prism, beam splitter or dichroic mirror, thereby the collimation white light that sends from light source is divided into three primary colours light (being red, green, blue).Modulate red, green, blue respectively by LCD then, and merge this three light beams by optical devices such as synthetic prisms, catoptron or the lens that separate.
In general, the quality of projection image and brightness are illumination LCD and the function that plays the light-source brightness of deflection device in the LCLV projector.Must filter white light/be separated into the optics polarizing component and have the light that single-beam electric-field is vowed orientation.Thereby the white light that in most of LCLV optical projection system, can only partly utilize (i.e. the light of a polarization direction) to send from light source.This requires to make film viewing screen obtain required brightness with the light source of oversized dimensions.
Usually, for the twisted-nematic phase transmission-type LCD box that is surrounded by plastic polaristor, have only 40 (40%) percent or light source still less output be utilized.In fact, because structure and principle that plastic polaristor adopted, for the random polarization that passes therethrough, maximum transmission rate also has only 50%, although this device itself has 100% efficient to all wavelength.Thereby can not obtain the full brightness projector.And the useless polarization composition of light source is absorbed by the plastics analyzer and waste energy with the form of heat, this heat energy can pass to other element (being LCD, electron device etc.), thereby system's (especially plastic polarizer, LCD, electron device etc.) is harmful to.These heat energy must be blocked by the assembly of system and/or dissipate, or light source output is reduced, and the assembly that makes absorbed luminous flux be reduced to comprising plastic polarizer produces below the threshold value of permanent damage.At present, the threshold value of the analyzer of making for plastics is 5-10 watt of/square inch (0.78-1.55W/cm
2), specifically will be according to the illumination light wavelength.In people's such as Amano U.S. Pat 5,071,234, disclosed a kind of method that improves damage threshold, though this patent is not discussed concrete damage threshold.
Existing system all needs the system that comprises polarizing prism and pre-polarizing prism of relative complex, to guarantee forming a kind of polarization state or single polarization state at LCD, and provide the projection image of adequate resolution and contrast with existing colored LCLV projector, when suitable resolution and contrast, need remove to merge colour band separately with the optical element and the layout of complexity.
U.S. Pat 5 at Goldenberg etc., 060,058, the U.S. Pat 5 of Sato etc., 048,949, the U.S. Pat 4 of Aruga etc., 995,702, the U.S. Pat 4 of Miyatake etc., 943154, the U.S. Pat 4 of Tanaka etc., 936,658, the U.S. Pat 4 of Yamashita etc., 936,656, the U.S. Pat 4 of Miyatake etc., 935,758, the U.S. Pat 4 of Ledebuhr, 911,547, the U.S. Pat 4 of Yajima etc., 909,601, the U.S. Pat 4 of Aruga etc., 904,061, the U.S. Pat 4 of McKechnie, 864,390, the U.S. Pat 4 of Tanaka etc., 861,142, the U.S. Pat 4 of Kamakura, 850,685, the U.S. Pat 4,842 of Ledebuhr, 374, the U.S. Pat 4 of Ledebuhr etc., 836,649, the U.S. Pat 4,826 of Ledebuhr, 311, the U.S. Pat 4 of Ledebuhr, 786,146, the U.S. Pat 4,772 of Ogawa, 098, the U.S. Pat 4 of Ledebuhr, 749,259, the U.S. Pat 4,739 of Hyatt, 396, the U.S. Pat 4 of Ledebuhr, 690,526, the U.S. Pat 4,687 of Ledebuhr, 301, the U.S. Pat 4 of Koda etc., 650,286, the U.S. Pat 4,647 of Phillips etc., 966, the U.S. Pat 4 of Gagnon, 544,237, the U.S. Pat 4,500 of Gagnon, 172, the U.S. Pat 4 of Gagnon, 464,019, the U.S. Pat 4,464 of Gagnon, 018, the U.S. Pat 4 of Gagnon, 461,542, the U.S. Pat 4,425 of Gagnon, 028, the U.S. Pat 4 of Hong etc., 191,456, the U.S. Pat 4,127 of Jacobson etc., 322, the U.S. Pat 4 of Marie, 588,324, Cross, the U.S. Pat 4 of Jr., 943,155, the U.S. Pat 4,936,657 of Tejima etc., the U.S. Pat 4 of Takafuji, 928,123, the U.S. Pat 4,922,336 of Morton, the U.S. Pat 4 of Umeda, 875,064, the U.S. Pat 4,872,750 of Morishita, the U.S. Pat 4 of Shimazaki, 824,210, the U.S. Pat 4,770,525 of Umeda etc., the U.S. Pat 4 of Gagnon, 715,684, the U.S. Pat 4,699,498 of Naemura etc., the U.S. Pat 4 of Fergason, 693,557, the U.S. Pat 4,671,634 of Kizaki etc., the U.S. Pat 4 of Fergason, 613,207, the U.S. Pat 4,611,889 of Buzak, the U.S. Pat 4 of Carollo etc., disclosed LCLV projector representative in the prior art in 295,159.
Be used to overcome the prior art illuminator of LCD display illumination system brightness problem and not exclusively success.
The example that whole outputs of attempting to utilize light source increase the illuminator of LCD display brightness is disclosed in the U.S. Pat 5,028,121 of Baur etc.In the system of Baur, the random polarization light source is broken down into two bundles polarized light separately, wherein a branch of polarized light leads to two look beam splitters, this beam splitter is the column of colour that the separates one group of reflective LCD that leads, and another light beam with different polarization states is sent to a different set of LCD through two different look beam splitters.After each part that the light beam electric field is vowed is changed, light beam is arrived polarization beam apparatus/compositor through dichroic mirror reflects.The image that will show is sent to projecting lens, simultaneously the light beam of returning is sent it back light source.This causes the light source heating and the life-span is shortened.In addition, each the order field that is projected has the brightness of illumination of varying level to each pixel according to the light quantity of returning light source.
For example, if light source has the average output of 1000 lumens, the order field of projection has 30% of mean flow rate, then has the light of 700 lumens to be reflected back in the light source, makes that effective brightness of light of light emitted is 1700 lumens.In next one order field, if average brightness level is 50%, light that then will 500 lumens reflects back into light source, makes that effective brightness of the light that light source sends is 1500 lumens.The modulated light source luminance level was eased when this situation can change by the average brightness level of calculating projection and in the field of projection, and the illumination of pixel just is in a kind of constant brightness like this.This system also can by or the driving circuit that monitors the light output of light source and change light source as autonomous system improve, thereby keep constant luminance level.This can monitor by the optical sensor of a supervision beam splitter output light, perhaps can be directly installed on the LCD plate skin of the image that is formed with the source region.But the increase of above-mentioned any circuit all can further make projector complicated and make light source become an active part of system, increases the cost and the complicacy of projector.
Whole outputs of attempting to utilize light source another example with the illuminator that increases LCD display brightness is disclosed in the U.S. Pat 4,913,529 of Goldenberg etc.In the system of Goldenberg, the light beam that light source sends is divided into the linear polarized beam of two quadratures.One of light beam is by a device afterwards, and this device makes the light beam rotation to change its polarization direction, so just forms the two light beams of identical polarization state.Then with the not coplanar of the beam direction prism of identical polarization state, focus on the LCD device after merging by prism.
A problem of this system is that light beam is not linear.Light beam to polarizer, causes a using light district and a unwanted light district with different angular illumination.This result causes using the light of all acquisitions.Another difficult point is the use coupling that is difficult to combined light beam and prism.Another complicacy is that prism is tending towards light beam is divided into different colors.This has reduced sharpness and brightness, and has limited the resolution of projection image.Another complicacy is that the performance of polarizer can change along with the light beam irradiates angle, thereby different polarization state and different gradations occur in light beam.
Other system, U.S. Pat 4 as Ledebuhr etc., 824,214, the U.S. Pat 4,127 of Jacobson etc., 322, the U.S. Pat 4 of Ledebuhr etc., 836,649, the United States Patent (USP) 3,512 of Gorklewiez etc., 868 also disclose a kind of optical design system, and this system is used for realizing high brightness in the display system of LCD device.In general, these systems are all comparatively complicated, and comprise a plurality of big, expensive and assemblies of being difficult to regulate.
A kind of representative in the prior art plane fluorescent light source is disclosed in the U.S. Pat 4,920,298 of the U.S. Pat 4,978,888 of Anandan etc. and Hinotani etc.
At the US4 of United States Patent (USP)s such as Kudo, a kind of representative in the prior art light integrators is disclosed in 918,583, the US4 of the U.S. Pat 4,787,013 of Sugino etc. and Matsumoto etc., 769,750.
Up to the present proposed various prior aries and device, be used for showing 3D or stereoscopic image on as the polarization screen that keeps motion picture at film viewing screen.The U.S. Pat 4,955,718 of this visible Jachimowicz etc., the U.S. Pat 4 of Drewio, 963,959, the U.S. Pat 4,962 of Ohtomo etc., 422, the U.S. Pat 4 of Bess etc., 959,641, the U.S. Pat 4,957 of Shioji etc., 351, the U.S. Pat 4 of Park, 954,890, the U.S. Pat 4,945 of Medina, 408, the U.S. Pat 4 of Tanaka etc., 936,658, the U.S. Pat 4,933 of Dahl etc., 755, the United States Patent (USP) of Morton, US4,922,366, the U.S. Pat 4,907 of Noble, 860, the U.S. Pat 4 of Kalmanash, 877,307, the U.S. Pat 4,872 of Morishita, 750, the U.S. Pat 4 of Nakagawa, 870,486, the U.S. Pat 4,853 of Sutter, 764, the U.S. Pat 4 of Iwasaki, 851,901, the U.S. Pat 4,834 of Keyes etc., 473, the U.S. Pat 4 of McLaurin etc., 807,024, the U.S. Pat 4,799 of Davis, 763, the U.S. Pat 4 of Nakagawa, 772,942, the U.S. Pat 4 of Nishikawa, 736,246, the U.S. Pat 4,649,425 of Pund, the U.S. Pat 4 of Street, 641,178, the U.S. Pat 4,541,007 of Nagata, the U.S. Pat 4 of Lipton etc., 523,226, the U.S. Pat 4,376,950 of Brown etc., the U.S. Pat 4 of Collendar, 323,920, the U.S. Pat 4,295,153 of Gibson, the U.S. Pat 4 of Bautzc, 151,549, the U.S. Pat 3,697,675 of Beard etc.In general, these technology and device relate to the demonstration of polarization or color list two-dimensional image, and these images comprise the right eye and the left eye skeleton view of three-dimensional body.These images that separate also can show simultaneously with different polarization states or color.Suitable eyewear, as have different polarization or look and allow image separately to be seen by one or another eyes from the glasses of coating.This type systematic is comparatively expensive and complicated, needs two projector that separate and is mainly used in the cinema projection three-dimensional film.The U.S. Pat 4,954,890 of Park discloses a kind of conversion polarization state projector technology, representative that adopts.
Another technology relates to a timing sequence, wherein utilizes electronic light valve to show image corresponding to right eye and left eye in timing sequence.The U.S. Pat 4,970,486 of Nakagawa etc. and the US4 of Kalmanash, 877,307 disclose existing a kind of representational this type of three-dimensional display system.
Though the sequential light valve system of front can be used for the configurations shown of televisor, because the problem of projection image color, resolution or contrast aspect, they are not widely accepted commercial.And this out-of-date system is also relatively costly and complicated.
Brief summary of the invention
The object of the present invention is to provide a kind of method and system that produces the electromagnetic energy beams of modulation, comprise: produce initial electromagnetic energy beams, this energy beam has the presetted wavelength scope and have uniform basically luminous flux density on initial electromagnetic energy beams xsect; Initial electromagnetic energy beams is divided into two bundle or multi beam electromagnetic energy beams, and each electromagnetic energy beams of separating all has the electromagnetic wave field of predetermined orientation to vow composition (or, be the electric field arrow under the situation of light beam or ultraviolet light beam); The predetermined orientation that major part by making each electromagnetic energy beams of separating is vowed by the electromagnetic wave field of selected composition in the corresponding major part that changes each electromagnetic energy beams of separating in a plurality of modifiers, pass when being used for changing electromagnetic wave field and vowing the corresponding device of the multiple arrangement of selected composition predetermined orientation when the major part of each electromagnetic energy beams of separating basically thus, the predetermined orientation that the electromagnetic wave field of selected composition is vowed in the major part of the electromagnetic energy beams that each separates changes in response to flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner; The electromagnetic energy beams of separating that changes is merged into single electromagnetic energy beams of restrainting conllinear, and the most electromagnetic wave field that does not change each electromagnetic energy beams of separating is basically vowed the predetermined orientation of the change of selected composition; With decomposite the electromagnetic wave field that the electromagnetic wave field that has first predetermined orientation basically vows that first of composition decomposes electromagnetic energy beams and has second predetermined orientation basically and vow that second of composition decomposes electromagnetic energy beams from the electromagnetic energy of a branch of conllinear is intrafascicular, make electromagnetic wave field vow that first and second predetermined orientations of selecting composition differ from one another thus.
Another object of the present invention is to provide a kind of foregoing method and system that is used for modulated beam of light and ultraviolet light beam.
Another object of the present invention is to provide a kind of foregoing method and system, the step that wherein produces electromagnetic energy beams comprise the electromagnetic energy beams of vowing random orientation of generating electromagnetic waves (or, under the situation of light beam or ultraviolet light beam, vow) for electric field, simultaneously the step that electromagnetic energy beams is divided into the electromagnetic energy beams that two bundles or multi beam separate then comprises described energy beam is divided into the described energy beam that separates, the electromagnetic wave field that makes described each energy beam that separates all have same orientation is thus vowed (or, be the electric field arrow under the situation of light beam or ultraviolet light beam).
Another object of the present invention is to provide a kind of foregoing method and system, the step that wherein produces electromagnetic energy beams comprises the electromagnetic energy beams that produces a branch of electromagnetic wave field with same orientation and vow (or, be the electric field arrow under the situation of light beam or ultraviolet light beam).
Another object of the present invention is to provide a kind of foregoing method and system, the step that wherein produces electromagnetic energy beams comprises the electromagnetic energy beams that produces a branch of collimation.
Another object of the present invention is to provide a kind of foregoing method and system, and the step that wherein produces electromagnetic energy beams comprises a branch of rectangle electromagnetic energy beams of generation.
Another object of the present invention is to provide a kind of foregoing method and apparatus, comprise the step of described a branch of electromagnetic energy beams of separating being led to projection arrangement.
Another object of the present invention is to provide a kind of foregoing method and system, comprise the step of the electromagnetic energy of regulating at least one energy beam that separates.The step of this adjusting electromagnetic energy beams can be finished by the wavelength and/or the intensity of regulating at least one light beam that separates.
Another object of the present invention is to provide a kind of foregoing method and system, the step of wherein telling a branch of electromagnetic energy beams comprises electromagnetic energy beams is divided into the electromagnetic energy beams that two bundles or multi beam separate that each energy beam that separates has different electromagnetic energy spectrums.
Another object of the present invention is to provide a kind of foregoing method and system, wherein the step that initial electromagnetic energy beams is divided into two bundles or the multi beam electromagnetic energy beams of separating comprises that also initial electromagnetic energy beams is divided into two restraints or the step of the electromagnetic energy beams that multi beam separates, and wherein each electromagnetic energy beams of separating all has different presetted wavelength scopes with the electromagnetic energy beams that other separates.
Another object of the present invention is to provide a kind of method and system that produces the electromagnetic energy beams of modulation, comprising: the electromagnetic energy beams with predetermined wavelength range of collimation basically is provided; Decomposite the elementary first decomposition electromagnetic energy beams of the basic collimation that has selected composition first predetermined orientation of electromagnetic wave field arrow basically and have the second elementary electromagnetic energy beams that electromagnetic wave field is vowed the basic collimation of selected composition second predetermined orientation basically from the primary electrical magnetic energy of basic collimation is intrafascicular, make first and second predetermined orientations of the selected composition of electromagnetic wave field arrow differ from one another thus; By the first elementary decomposition electromagnetic energy beams of basic collimation and basically the second elementary decomposition electromagnetic energy beams of collimation forms the basic identical electromagnetic wave field of on its cross section, having of a basic collimation and vows the predetermined orientation of selected composition and the initial electromagnetic energy beams of uniform rate of flow; The initial electromagnetic energy beams of basic collimation is divided into the electromagnetic energy beams that two bundles or multi beam collimate substantially, and each electromagnetic energy beams of separating that collimates substantially all has the predetermined orientation that electromagnetic wave field is vowed selected composition; The major part of the electromagnetic energy beams by making each basic collimation that separates by in a plurality of modifiers corresponding one changes the intrafascicular electromagnetic wave field of electromagnetic energy that major part separates and vows the predetermined orientation of selecting composition, pass when being used to change electromagnetic wave field and vowing device of selected composition predetermined orientation when the major part of each electromagnetic energy beams of separating that collimates basically thus, the intrafascicular most of energy beam electromagnetic wave field of the electromagnetic energy of the basic collimation that each separates vows that the predetermined orientation of selected composition changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner; Vow at the most of energy beam electromagnetic wave field of the electromagnetic energy beams that does not change each basic collimation that separates basically under the condition of predetermined orientation of change of selected composition, the electromagnetic energy beams of the basic collimation that separates that changes is merged into single electromagnetic energy beams of restrainting the basic collimation of conllinear; Decomposite the first decomposition electromagnetic energy beams of the basic collimation that has selected composition first predetermined orientation of electromagnetic wave field arrow basically and have the second decomposition electromagnetic energy beams that the electromagnetic wave field arrow is selected the basic collimation of composition second predetermined orientation basically with the electromagnetic energy of the basic collimation of restrainting conllinear from list is intrafascicular, make electromagnetic wave field vow that first and second predetermined orientations of selecting composition differ from one another thus.
Another object of the present invention is to provide a kind of foregoing method and system that is used to produce modulated beam of light and ultraviolet light beam.
Another object of the present invention is to provide a kind of foregoing method and system, wherein separating step comprises the electromagnetic energy beams of basic collimation is divided into the electromagnetic energy beams that two bundles or multi beam separate, and the electromagnetic energy beams of separating that the energy beam that makes each separate thus has with other collimates substantially has the predetermined orientation that identical electromagnetic wave field is vowed selected composition.
Another object of the present invention is to provide a kind of foregoing method and apparatus, wherein form step and comprise that forming the list with rectangular cross section restraints electromagnetic energy beams.
Another object of the present invention is to provide a kind of foregoing method and apparatus, also comprise the step of the electromagnetic energy beams of the decomposition of a branch of basic collimation being led to projection arrangement.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise the step of the electromagnetic wave spectrum of the electromagnetic energy beams that a branch of at least collimation of adjusting separates.
Another object of the present invention is to provide a kind of foregoing method and system, the step of wherein regulating the electromagnetic wave spectrum of a branch of at least electromagnetic energy beams of separating comprises the predetermined wavelength range of a branch of at least electromagnetic energy beams of separating of adjusting.The step of this adjusting electromagnetic energy beams can be finished by the wavelength and/or the intensity of regulating at least one light beam that separates.
Another object of the present invention is to provide a kind of foregoing method and system, wherein separation steps comprises the initial electromagnetic energy beams of basic collimation is divided into the electromagnetic energy beams of separating that two bundles or multi beam collimate substantially, makes the electromagnetic energy beams of the basic collimation that each separates have different electromagnetic wave fields with the electromagnetic energy beams of separating that other collimates substantially thus and vows the predetermined orientation of selecting composition.
Another object of the present invention is to provide a kind of foregoing method and system, comprises that also the initial electromagnetic energy beams that makes basic collimation is used to change the device that electromagnetic wave field is vowed selected composition predetermined orientation by one.
Another object of the present invention is to provide a kind of foregoing method and system,, the initial electromagnetic energy beams that wherein makes basic collimation is used to change electromagnetic wave field by one and vows that the step of the device of predetermined orientation comprises that the elementary decomposition electromagnetic energy beams that makes a branch of basic collimation is used to change the liquid-crystal apparatus that electromagnetic wave field is vowed selected composition predetermined orientation by one.
Another object of the present invention is to provide a kind of foregoing method and system, the elementary electromagnetic energy beams that also comprises the decomposition that makes a branch of basic collimation is used to change electromagnetic wave field by one and vows that the elementary electromagnetic energy beams electromagnetic wave field of decomposition selected composition predetermined orientation and that change a branch of basic collimation vows the device of selected composition predetermined orientation, makes the electromagnetic wave field of elementary electromagnetic energy beams of the decomposition that other collimates substantially vow that the predetermined orientation of selected composition mates substantially thus.
Another object of the present invention is to provide a kind of foregoing method and system, wherein form the step that step also comprises the electromagnetic energy beams of the decomposition that one or more reflection units is provided and collimates substantially from one or more reflection unit reflects one, wherein each reflection unit has and is used to change the facility that electromagnetic wave field is vowed selected composition predetermined orientation.
Another object of the present invention is to provide a kind of foregoing method and system, wherein provide one or more reflection units and from the step of the electromagnetic energy beams of the elementary decomposition of one or more a branch of basic collimations of plane reflection surface reflection with dielectric coated, wherein each reflection unit comprises one or more plane reflection surfaces with dielectric coating, and each plane reflection surface has the facility that is used to change the selected composition predetermined orientation of electromagnetic wave field arrow.
Another object of the present invention is to provide a kind of foregoing method and system, wherein provide one or more reflection units and from the step of the electromagnetic energy beams of the elementary decomposition of one or more a branch of basic collimations of mirror reflects with thin film dielectric material, wherein each reflection unit comprises the catoptron with thin film dielectric material, and each catoptron has and is used to change the thin film dielectric material that electromagnetic wave field is vowed the predetermined orientation of selected composition.
Another object of the present invention is to provide a kind of foregoing method and system, wherein, the step of the elementary electromagnetic energy beams of basic collimation further is included on the cross section of whole elementary electromagnetic energy beams has basic rate of flow uniformly.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise the wavelength of from a branch of at least electromagnetic energy beams, removing at least a portion preset range.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise removing the absorption plant that partly leads.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise, and will remove the step of the absorption plant that partly leads from the intrafascicular wavelength that is removed in few a part of preset range of the electromagnetic energy of basic collimation.
Another object of the present invention is to provide a kind of method and system of displayed image, comprising:
The method of [a] a kind of displayed image comprises:
An illumination subsystems is provided, and this system comprises that producing a branch of electric field arrow with predetermined wavelength range, random variation selectes the orientation of composition and the substantially uniform primary laser beam of rate of flow on the cross section of incipient beam of light;
[b] provides a mod subsystem, and it comprises:
[i] is divided into two or more primary color light bundles to primary laser beam, and each primary color light bundles has with other the electric field of the identical predetermined orientation of primary color light bundles vows selected composition;
[ii] provides two or more modifiers that electric field is vowed the predetermined orientation of selected composition that are used to change;
[iii] vows the predetermined orientation of selecting composition by the major part that makes each primary color light bundles of separating or light beam by an electric field that changes most of each intrafascicular most of light beam of elementary glory that separates of the correspondence in a plurality of modifiers, thus when most of light beam of each primary color light bundles of separating is vowed device of the multiple arrangement correspondence of selecting the composition predetermined orientation by being used for changing electric field, each separates the predetermined orientation that the electric field of selected composition in most of light beam of primary color light bundles vows and changes in response to flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner;
[iv] is merged into single bundle co-linear beams to the primary color light bundles of separating that changes under not changing each condition of separating the predetermined orientation of the change of the selected composition of most of light beam electric field arrow in the light beam basically;
[v] decomposites from a branch of co-linear beams has the second decomposition light beam that electric field is vowed the first decomposition light beam of selected composition first predetermined orientation and had selected composition second predetermined orientation of electric field basically substantially, makes electromagnetic wave field vow that first and second predetermined orientations of selected composition differ from one another thus;
[c] provides a projection subsystem, and makes the light beam of a branch of decomposition lead to this subsystem at least; With
[d]
[i] forms first light path from the illumination subsystems to the modifier, and wherein first light path is all identical for all modifiers; With
[ii] forms second light path from each modifier to projection subsystem, and wherein second light path is all identical for all modifiers.
Another object of the present invention is to provide a kind of method and system that is used for the Display projector image, this image comprises that the liquid-crystal apparatus projection of first liquid crystal light valve, second liquid crystal light valve and the 3rd liquid crystal light valve forms, this method and system comprises: be used to produce a branch of primary laser beam device that has predetermined wavelength range, the selected composition orientation of energy randomly changing electric field arrow and have even rate of flow substantially on the cross section of incipient beam of light; A kind of device, it is used for primary laser beam is divided into two or more primary color light bundles, and wherein the electric field of each primary color light bundles vows that selected composition all has identical predetermined orientation with other primary color light bundles; A kind of device is used for forming light path between light source and three liquid crystal light valves, and according to the intensity of brightness of primary color light bundles, light path has different length, and wherein primary color light bundles is relevant with each light valve that light source produces; A kind of device, most of light beam passes the predetermined orientation that liquid crystal light valve changes the selected composition of electric field arrow of each intrafascicular most of light beam of elementary glory that separates in each primary color light bundles of separating by making for it, thus when each separates by correspondence one of most of light beam in the primary color light bundles and is used to change electric field and vows liquid crystal light valve of predetermined orientation of selected composition, each selected composition predetermined orientation that separates most of light beam electric field arrow in the primary color light bundles changes in response to flip flop equipment, and this flip flop equipment is used telltale to this flip flop equipment in a predefined manner; A kind of device, each does not separate under the condition of the predetermined orientation of the change of the selected composition of most of light beam electric field arrow in the light beam not changing major part basically for it, and the primary color light bundles of separating that changes is merged into single co-linear beams of restrainting; A kind of device, it decomposites the first decomposition light beam that has selected composition first predetermined orientation of electric field arrow basically and has the second decomposition light beam that electric field is vowed selected composition second predetermined orientation basically from single bundle co-linear beams, make electromagnetic wave field vow that first and second predetermined orientations of selecting composition differ from one another thus; At least make a branch of decomposition light beam lead to the device of projection arrangement.
Another object of the present invention is to provide a kind of projection type color monitor, comprising: be used to produce a branch of device that has the orientation of predetermined wavelength range, the selected composition of randomly changing electric field arrow and on the cross section of incipient beam of light, have the collimation primary laser beam of basic uniform rate of flow; A kind of device is used for the primary laser beam of collimation is divided into the red, green, blue primary color light bundles, and wherein the electric field of each primary color light bundles vows that selected composition has identical predetermined orientation with other primary color light bundles; A kind of device, it is red by what each was separated, green, most of light beam in the blue primary light beam by a plurality of liquid crystal light valve correspondences change most of each separate red, green, in the blue primary light beam most of light beam electric field vow the predetermined orientation of selected composition, thus when most of light beam of each primary color light bundles of separating is used to change the liquid crystal light valve of the selected composition predetermined orientation of electric field arrow by corresponding one, it is red that each separates, green, the predetermined orientation that the electric field of the selected composition of the most of light beam of blue primary light beam is vowed changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner; A kind of device, it is under the condition of the predetermined orientation of the change of the selected composition of electric field arrow that does not change most of each red, green, blue primary color light bundles of separating basically, pass a color synthesis of cubic body by the primary color light bundles of separating that makes change, this cube has the reflecting surface that the red, green, blue color beam is synthesized single collinear beam, and the primary color light bundles of separating that will change is merged into the co-linear beams of Dan Shu; A kind of device, it decomposites the first decomposition light beam that has selected composition first predetermined orientation of electric field arrow substantially and has the second decomposition light beam that electric field is vowed selected composition second predetermined orientation basically from single bundle co-linear beams, make electromagnetic wave field vow that first and second predetermined orientations of selecting composition differ from one another thus; At least make the light beam of a branch of decomposition lead to the device of projection arrangement.
Another object of the present invention is to provide a kind of projection arrangement, comprising: be used to produce and a branch ofly have orientation that predetermined wavelength range, randomly changing electric field vow selected composition, on the cross section of incipient beam of light, have basic rate of flow uniformly and be the device of the primary laser beam of square-section; A kind of device is used for the primary laser beam of collimation is divided into the three primary colours light beam, and wherein each primary color light bundles electric field vows that selected composition all has identical predetermined orientation with other primary color light bundles; Three devices, its electric field that changes most of light beam in each three primary colours light beam that separates by a corresponding modifier by most of light beam in the three primary colours light beam that makes each and separate is vowed the predetermined orientation of selected composition, thus when most of light beam of each primary color light bundles of separating is used to change electric field and vows selected composition predetermined orientation device by corresponding one, the predetermined orientation that the electric field of the selected composition of the most of light beam of each primary color light bundles of separating is vowed changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner; A kind of device, under the condition of the predetermined orientation of the change of the selected composition of electric field arrow of its most of light beam in not changing each light beam that separates basically, by two look reflectings surface the primary color light bundles of separating that changes is merged into the co-linear beams of Dan Shu, this two looks reflecting surface intersects with the form of X letter; A kind of device, from a branch of co-linear beams, decomposite have basically electric field vow first of selected composition first predetermined orientation decompose light beam and have basically electric field vow selected composition second predetermined orientation second decompose light beam, make electric field vow that first and second predetermined orientations of selecting composition differ from one another thus; At least make a branch of light beam that decomposes from single collinear beam lead to the device of projection arrangement; A driving circuit is used for each according to three modifiers of telltale driving; Wherein the color separator device comprises one first plate dichroic mirror and one the second plate dichroic mirror that intersects with the X alphabetical form, the path that the length that light path had from cross section to each modifier makes column of colour keep straight on forward and passes color separator is the shortest, second dichroic mirror is made of two dichroic mirrors that separate in intersection, two look reflectings surface of such two dichroic mirrors are positioned on the different mutually surfaces, during like this from output light one side along incident light direction observation color separator, two edge surfaces that form two dichroic mirrors of intersection are overlapped at least.
Another object of the present invention provides a kind of method and system that produces the electromagnetic energy beams of a branch of or multi beam conllinear, comprise: produce the electromagnetic energy beams that two bundles or multi beam separate, each electromagnetic energy beams all has predetermined wavelength range, identical electromagnetic field is vowed the orientation of selected composition, has basic rate of flow uniformly on the cross section of electromagnetic energy beams; Vow the predetermined orientation of selecting composition by the major part that makes each electromagnetic energy beams of separating by corresponding in an a plurality of modifiers most electric field that changes each electromagnetic energy beams of separating, thus when the major part of each electromagnetic energy beams of separating is used to change the device of the selected composition predetermined orientation of electromagnetic wave field arrow by one, the electromagnetic wave field of the intrafascicular most of energy beam of electromagnetic energy that each separates vows that the predetermined orientation of selected composition changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner; Vow at the electromagnetic wave field that does not change each intrafascicular most of energy beam of electromagnetic energy that separates basically under the condition of predetermined orientation of change of selected composition, the electromagnetic energy beams of separating of change is merged into the conllinear electromagnetic energy beams of Dan Shu; And, make electromagnetic wave field vow that first and second predetermined orientations of selecting composition differ from one another thus from the intrafascicular second decomposition light beam that decomposites the first decomposition light beam that has selected composition first predetermined orientation of electromagnetic wave field arrow basically and have selected composition second predetermined orientation of electromagnetic wave field arrow basically of the electromagnetic energy of a branch of conllinear.
Another object of the present invention provides a kind of foregoing method and system, is used to produce a branch of or multi beam co-linear beams or ultraviolet light beam.
Another object of the present invention provides a kind of foregoing method and system, wherein produces step and comprises that producing each electromagnetic energy beams of separating all has the square-section.
Another object of the present invention is to provide a kind of foregoing method and apparatus, comprise that also the electromagnetic energy beams that makes a branch of decomposition leads to the step of projection arrangement.
Another object of the present invention is to provide a kind of foregoing method and system, comprise the step of the electromagnetic wave spectrum of regulating at least one electromagnetic energy beams of separating.
Another object of the present invention is to provide a kind of foregoing method and system, the step of wherein regulating the electromagnetic wave spectrum of at least one electromagnetic energy beams of separating comprises the predetermined wavelength range of regulating at least one electromagnetic energy beams of separating.The step of this adjusting electromagnetic energy can be finished by the wavelength and/or the intensity of regulating at least one wave beam that separates.
Another object of the present invention is to provide a kind of method that produces the electromagnetic energy beams of modulation, wherein increase when projection lenses brightness of image when the distance of screen increases to about 10 feet, this method comprises: produces a branch of electromagnetic energy beams that has basic even rate of flow on its whole cross section; Electromagnetic energy beams is divided into two bundles or the multi beam electromagnetic energy beams of separating, and each electromagnetic energy beams of separating has the electromagnetic wave field of predetermined expection orientation and vows; The intrafascicular most of energy beam of the electromagnetic energy that each is separated is by corresponding one of the multiple arrangement that is used for changing electromagnetic wave field and vows, thus when same when changing one corresponding in the multiple arrangement that electromagnetic wave field vows, the electromagnetic wave field of most of electromagnetic energy beams vows that orientation is changed; Following electromagnetic energy beams of separating of condition of the change orientation of vowing at the electromagnetic wave field that does not change the electromagnetic energy beams that major part separates basically is merged into the conllinear electromagnetic energy beams of Dan Shu; Produce the electromagnetic energy beams that two bundles separate from co-linear beams, the electromagnetic energy beams of each separation all has the orientation that different electromagnetic wave fields is vowed with other electromagnetic energy beams; Projection arrangement is placed to projection arrangement to be used to change electromagnetic wave field with each and to vow that the optical path distance between the device of orientation equates substantially; Make the electromagnetic energy beams of the intrafascicular separation of electromagnetic energy lead to projection arrangement; Surface apparatus is placed into the about 10 feet high positions of projection arrangement; With make an electromagnetic energy beams of separating and lead to surface apparatus from projection arrangement.
Another object of the present invention is to provide a kind of generation to be applicable to the method and system of the modulated beam of light of video image projection, comprising: produce an incipient beam of light; Incipient beam of light is divided into two bundles or the column of colour that separates of multi beam, the electric field that makes each column of colour that separates and the column of colour that other separates have identical Dan Shu is thus vowed the predetermined orientation of selected composition, and each column of colour that separates has the color that is different from other column of colour that separates; Vow the predetermined orientation of selecting composition by the most of light beam that makes each column of colour that separates by corresponding in an a plurality of modifiers electric field that changes most of light beam in each column of colour that separates, thus when the major part of each electromagnetic energy beams of separating by a plurality of when being used for changing electromagnetic wave field and vowing the corresponding device of the device of predetermined orientation of selected composition, the predetermined orientation that the electric field of the selected composition of most of light beam is vowed in each column of colour that separates changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner; In not changing each column of colour that separates basically, under the condition of the predetermined orientation of the change of the selected composition of the electric field of most of light beam arrow, the column of colour that separates that changes is not merged into the conllinear column of colour of Dan Shu; Basically have the second decomposition column of colour that first of selected composition first predetermined orientation of electric field arrow decomposes column of colour and has selected composition second predetermined orientation of electric field arrow basically with from the column of colour of a branch of conllinear, decompositing, make electric field vow that first and second predetermined orientations of selected composition differ from one another thus.
Another object of the present invention is to provide a kind of foregoing method and system, comprise also that wherein the column of colour that makes a branch of decomposition leads to the step of projection arrangement.
Another object of the present invention is to provide a kind of foregoing method and system, wherein produce step and comprise initial collimated light beam of generation, this light beam has basic rate of flow uniformly on its cross section, and has the predetermined orientation that essentially identical electric field is vowed selected composition on its whole cross section.
Another object of the present invention is to provide a kind of foregoing method and system, thereby also comprising from initial collimated light beam, it removes at least a portion ultraviolet light and at least a portion infrared light produces initial collimation white light and the step of removing part guide beam dog catch, absorb ultraviolet light and the infrared light of removing thus.
Another object of the present invention is to provide a kind of method and system, wherein this separation steps also comprises: the predetermined color in a branch of at least collimated light beam that separates is partly removed, and will be removed the regulating step that part guide beam dog catch absorbs the removal part thus.
Another object of the present invention is to provide a kind of foregoing method and system, wherein this generation step comprises initial collimation rectangular light beam of generation, this light beam has basic rate of flow uniformly substantially on its whole square-section, and has the predetermined orientation that essentially identical electric field is vowed selected composition substantially on its whole square-section.
Another object of the present invention is to provide a kind of generation to be applicable to the method and system of the modulated beam of light of video image projection, comprising: produce first incipient beam of light that a randomly changing electric field is vowed selected composition orientation; To the first incipient beam of light integration to be formed on second incipient beam of light that has even rate of flow on its whole cross section substantially; Second incipient beam of light is collimated into the initial collimated light beam that has the selected composition orientation of randomly changing electric field arrow and on the cross section of whole second incipient beam of light, have basic even rate of flow, from initial collimated light beam, be removed to the ultraviolet light and the infrared light of small part, to form initial collimation white light and, to absorb thus and remove part the part guide beam dog catch of removing; From initial collimation white light, decomposite the first initial second initial decomposition white light that collimates that collimates the decomposition white light and have selected composition second predetermined orientation of electric field arrow basically that has selected composition first predetermined orientation of electric field arrow basically, make selected composition first and second predetermined orientations of electric field arrow differ from one another thus; Decompose the initial single Shu Baiguang of rectangle that white light forms basic collimation by the first initial collimation decomposition white light and the second initial collimation, this white light has essentially identical electric field and vows selected composition predetermined orientation on its whole cross section, and has basic rate of flow uniformly on its cross section; Single Shu Baiguang of initial collimation is divided into the collimation rectangular light beam that two bundles or multi beam separate, the collimation rectangle column of colour that makes each collimation rectangular light beam of separating and other separate thus has the electric field of identical Dan Shu and vows predetermined orientation, and each collimation rectangle column of colour that separates all has different colors with the collimation rectangle column of colour that other separates; By remove a branch of at least collimation rectangle column of colour that separates the part of predetermined color at least, and will remove part guide beam dog catch and absorb thus to remove and partly regulate color; Vow the predetermined orientation of selecting composition by the most of light beam that makes each collimation rectangle column of colour that separates by corresponding with it in an a plurality of modifiers electric field that changes most of light beam in each collimation rectangle column of colour that separates, thus when the major part of each collimation rectangle electromagnetic energy beams of separating by a plurality of when being used for changing electric field and vowing the corresponding device of selected composition predetermined orientation device, the electric field of the most of light beam of each column of colour that separates vows that the predetermined orientation of selected composition changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner; In not changing each collimation rectangle column of colour that separates basically, under the condition of the predetermined orientation of the change of the selected composition of the electric field of most of light beam arrow, the collimation rectangle column of colour that separates that changes is not merged into the column of colour that single bundle collimates the rectangle conllinear; From the collimation rectangle column of colour of a branch of conllinear, decomposite the first collimation rectangle decomposition column of colour that has selected composition first predetermined orientation of electric field arrow basically and have electric field basically and vow that the second collimation rectangle of selecting composition second predetermined orientation decomposes column of colour, makes first and second predetermined orientations of the selected composition of electric field arrow differ from one another thus; With one that the first collimation rectangle or the second collimation rectangle are decomposed in the column of colour lead to projection arrangement.
Another object of the present invention is to provide the method and system of the conllinear electromagnetic energy beams that a kind of generation has two ingredients, it comprises:
[a] provides the elementary electromagnetic energy beams of a basic collimation, and this energy beam has the electromagnetic wave field of presetted wavelength scope and random variation and vows the predetermined orientation of selecting composition;
[b] resolves into the elementary electromagnetic energy beams of basic collimation the elementary first decomposition electromagnetic energy beams of the basic collimation that has selected composition first predetermined orientation of electromagnetic wave field arrow basically and has the elementary second decomposition electromagnetic energy beams that electromagnetic wave field is vowed the basic collimation of selected composition second predetermined orientation basically;
[c] is separated into two bundles or the electromagnetic energy beams of separating that collimates substantially of multi beam to the electromagnetic energy beams of each elementary decomposition that collimates substantially, and each electromagnetic energy beams of separating that collimates substantially has the selected composition that the electromagnetic wave field of predetermined orientation is vowed;
[d] by the intrafascicular most of energy beam of the electromagnetic energy that separates that each is collimated substantially by in a plurality of modifiers corresponding with it one change the predetermined orientation that the intrafascicular most of energy beam electric field of each electromagnetic energy that separates that collimates is substantially vowed selected composition, thus when the intrafascicular most of energy beam of each electromagnetic energy that collimates substantially by a plurality of when being used for changing electromagnetic wave field and vowing the corresponding device of the device of predetermined orientation of selected composition, the intrafascicular most of energy beam electromagnetic wave field of each electromagnetic energy that separates that collimates substantially vows that the predetermined orientation of selected composition changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner;
[e]
[i] is under the condition of the predetermined orientation of the change that does not change the selected composition of the intrafascicular most of energy beam electromagnetic wave field arrow of each electromagnetic energy that separates that collimates substantially basically, the electromagnetic energy beams of separating of the change of basic collimation is merged into single bundle conllinear basic collimation first electromagnetic energy beams and;
[ii] is merged into single second electromagnetic energy beams of restrainting the basic collimation of conllinear to the electromagnetic energy beams of separating of the change of basic collimation under the condition of the predetermined orientation of the change that does not change the selected composition of the intrafascicular most of energy beam electromagnetic wave field arrow of each electromagnetic energy that separates that collimates substantially basically;
[f]
First electromagnetic energy that [i] collimates substantially from single bundle conllinear is intrafascicular decomposite have basically electromagnetic wave field vow selected composition first predetermined orientation basic collimation first decompose electromagnetic energy beams and have basically electromagnetic wave field vow selected composition second predetermined orientation basic collimation the second decomposition electromagnetic energy beams and
Second electromagnetic energy that [ii] collimates substantially from single bundle conllinear is intrafascicular to decomposite and has basically first the decomposing electromagnetic energy beams and have second electromagnetic energy beams that electromagnetic wave field is vowed the basic collimation of selecting composition second predetermined orientation basically of basic collimation that electromagnetic wave field is vowed selected composition first predetermined orientation; With
[g] is merged into single the 3rd electromagnetic energy beams of restrainting the basic collimation of conllinear a branch of from single bundle conllinear intrafascicular electromagnetic energy beams that decomposites of first electromagnetic energy that collimates substantially and the intrafascicular electromagnetic energy beams that decomposites of second electromagnetic energy that another Shu Congdan bundle conllinear collimates substantially.
Another object of the present invention is to provide a kind of foregoing method and system that is used to produce the conllinear bundle, the ultraviolet light beam that it is used for producing the co-linear beams with two ingredients and has two ingredients.
Another object of the present invention is to provide a kind of foregoing method and system, wherein decomposition step comprises that also primary laser beam is resolved into first and second decomposes light beam, and wherein electromagnetic wave field vows that first predetermined orientation of selected composition has identical orientation with second predetermined orientation of the selected composition of electromagnetic wave field arrow.
Another object of the present invention is to provide a kind of foregoing method and system, wherein decomposition step comprises that also primary laser beam is resolved into first and second decomposes light beam, and wherein electromagnetic wave field vows that first predetermined orientation of selected composition has different orientations with second predetermined orientation of the selected composition of electromagnetic wave field arrow.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, and the major part of one of them combined light beam has with the major part of other combined light beam and has the predetermined orientation that different electromagnetic wave fields is vowed selected part.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, and wherein the major part of each combined light beam is with the most of parallel of other combined light beam but do not overlap.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, and wherein the major part of each combined light beam is with the most of parallel of other combined light beam and partially overlap.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, and wherein the major part of each combined light beam and other combined light beam is most of parallel and synchronous.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, wherein the major part of each combined light beam and other combined light beam most of parallel, do not overlap and synchronously.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, wherein the major part of each combined light beam and other combined light beam most of parallel, partially overlap and synchronously.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, and the major part of one of them combined light beam has the predetermined orientation of vowing selected composition with the most of essentially identical electromagnetic wave field of other combined light beam.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, the major part of one of them combined light beam has the predetermined orientation of vowing selected composition with the most of essentially identical electromagnetic wave field of other combined light beam, in addition this combining step also comprise each combined light beam major part with the most of parallel of other combined light beam and do not overlap.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, the major part of one of them combined light beam has the predetermined orientation of vowing selected composition with the most of essentially identical electromagnetic wave field of other combined light beam, in addition this combining step also comprise each combined light beam major part with the most of parallel of other combined light beam and partially overlap.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, the major part of one of them combined light beam has the predetermined orientation of vowing selected composition with the most of essentially identical electromagnetic wave field of other combined light beam, and this combining step major part of also comprising each combined light beam and other combined light beam is most of parallel and synchronous in addition.
Another object of the present invention is to provide a kind of method and system, comprise that also the 3rd electromagnetic energy beams of the basic collimation that makes single bundle conllinear is led to projection arrangement.
Another object of the present invention is to provide a kind of method and system that produces the electromagnetic energy beams of modulation, comprising:
[a] provides an elementary electromagnetic energy beams, and this energy beam has the electromagnetic wave field of presetted wavelength scope and random variation and vows the predetermined orientation of selecting composition;
[b] resolves into elementary electromagnetic energy beams has the elementary second decomposition electromagnetic energy beams that elementary first of selected composition first predetermined orientation of electromagnetic wave field arrow decomposes electromagnetic energy beams and has selected composition second predetermined orientation of electromagnetic wave field arrow basically basically;
[c] is separated into two bundles or the multi beam electromagnetic energy beams of separating to the electromagnetic energy beams of each elementary decomposition, and each electromagnetic energy beams of separating all has the predetermined orientation that electromagnetic wave field is vowed selected composition;
[d] by the intrafascicular most of energy beam of the electromagnetic energy that each is separated by in a plurality of modifiers corresponding with it one change the predetermined orientation that the intrafascicular most of energy beam electric field of each electromagnetic energy that separates is vowed selected composition, thus when each electromagnetic energy beams by a plurality of when being used for changing electromagnetic wave field and vowing the corresponding device of the device of predetermined orientation of selected composition, the electromagnetic wave field of the intrafascicular most of energy beam of electromagnetic energy that each separates vows that the predetermined orientation of selected composition changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner;
[e]
[i] is under the condition of the predetermined orientation of the change that does not change the selected composition of the intrafascicular most of energy beam electromagnetic wave field arrow of each electromagnetic energy that separates basically, the electromagnetic energy beams of the electromagnetic energy beams of separating of the change of elementary first electromagnetic energy beams of decomposing and other at least one change be merged into single first electromagnetic energy beams of restrainting conllinear and
[ii] is merged into the electromagnetic energy beams of the electromagnetic energy beams of separating of the change of elementary first electromagnetic energy beams of decomposing and other at least one change second electromagnetic energy beams of single bundle conllinear under the condition of the predetermined orientation of the change that does not change the selected composition of the intrafascicular most of energy beam electromagnetic wave field arrow of each electromagnetic energy that separates basically; With
[f]
[i] from first electromagnetic energy of single bundle conllinear intrafascicular decomposite have basically electromagnetic wave field vow first electromagnetic energy beams of decomposing of selected composition first predetermined orientation and have basically electromagnetic wave field vow selected composition second predetermined orientation second decomposition electromagnetic energy beams and
[ii] decomposites the first decomposition electromagnetic energy beams that has selected composition first predetermined orientation of electromagnetic wave field arrow basically and has the second decomposition electromagnetic energy beams that electromagnetic wave field is vowed selected composition second predetermined orientation basically from second electromagnetic energy of single bundle conllinear is intrafascicular.
Another object of the present invention is to provide a kind of foregoing method and system, be used to produce the light beam and the ultraviolet light beam of modulation.
Another object of the present invention is to provide a kind of foregoing method and system, wherein providing step to comprise provides the elementary electromagnetic energy beams of a basic collimation.
Another object of the present invention is to provide a kind of foregoing method and system, wherein providing step to comprise provides an elementary electromagnetic energy beams with square-section.
Another object of the present invention is to provide a kind of foregoing method and system, wherein providing step to comprise provides a branch of elementary initial electromagnetic energy beams, this energy beam to have the predetermined orientation that identical electromagnetic wave field is vowed selected composition substantially on its cross section.
Another object of the present invention is to provide a kind of foregoing method and system, wherein decomposition step comprises that also primary laser beam is resolved into elementary first and second decomposes light beam, and wherein the electromagnetic energy beams of the electromagnetic energy beams of each decomposition and other decomposition all has the predetermined orientation that essentially identical electromagnetic wave field is vowed selected composition on the electromagnetic energy area of beam of each decomposition.
Another object of the present invention is to provide a kind of foregoing method and system, wherein decomposition step comprises that also primary laser beam is resolved into elementary first and second decomposes light beam, and wherein electromagnetic wave field vows that first predetermined orientation of selected composition has different predetermined orientations with second predetermined orientation of the selected composition of electromagnetic wave field arrow.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise making making the step of leading to projection arrangement from the intrafascicular energy beam that decomposites of the first or second single conllinear electromagnetic energy at least.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise from intrafascicular first or second electromagnetic energy that decomposes that decomposites of the first single conllinear electromagnetic energy is intrafascicular having at least one to lead to projection arrangement and a step of leading to projection arrangement at least also arranged from intrafascicular first or second electromagnetic energy that decomposes that decomposites of second single conllinear electromagnetic energy is intrafascicular.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise the step of the electromagnetic wave spectrum of regulating at least one electromagnetic energy beams of separating.The step of this adjusting electromagnetic energy can realize by the wavelength and/or the intensity of regulating at least one energy beam that separates.
Another object of the present invention is to provide a kind of foregoing method and system, wherein separating step comprises that the energy beam of each elementary decomposition is divided into two to be restrainted or the multi beam energy beams, and wherein each electromagnetic energy beams of separating has different predetermined wavelength ranges with other electromagnetic energy beams.
Another object of the present invention is to provide a kind of foregoing method and system, the step that also comprises a branch of at least energy beam size of separating of adjusting, this energy beam obtains from the step that the electromagnetic energy beams of each elementary decomposition is divided into two bundles or the multi beam electromagnetic energy beams of separating.
Another object of the present invention is to provide a kind of method and system, be used to produce conllinear electromagnetic energy beams, comprising with two ingredients:
[a] provides an elementary electromagnetic energy beams, and this energy beam has the electromagnetic wave field of presetted wavelength scope and random variation and vows the orientation of selecting composition, has basic rate of flow uniformly on the cross section of initial electromagnetic energy beams;
[b] resolves into elementary electromagnetic energy beams has the elementary second decomposition electromagnetic energy beams that elementary first of selected composition first predetermined orientation of electromagnetic wave field arrow decomposes electromagnetic energy beams and has selected composition second predetermined orientation of electromagnetic wave field arrow basically basically;
The major part of [c] elementary electromagnetic energy beams by making each decomposition is vowed the predetermined orientation of selected composition by a corresponding with it intrafascicular most of energy beam electric field of electromagnetic energy that changes each decomposition in a plurality of modifiers, thus when the major part of the elementary electromagnetic energy beams of each decomposition by a plurality of when being used for changing electromagnetic wave field and vowing the corresponding with it device of the device of predetermined orientation of selected composition, the intrafascicular most of energy beam electromagnetic wave field of the primary electrical magnetic energy of each decomposition vows that the predetermined orientation of selected composition changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner;
[d]
[i] from first change elementary first decompose electromagnetic energy intrafascicular decomposite have basically electromagnetic wave field vow first of selected composition first predetermined orientation decompose electromagnetic energy beams and have the second decomposition electromagnetic energy beams that electromagnetic wave field vows selected composition second predetermined orientation basically and
[ii] decomposes intrafascicular the decompositing of electromagnetic energy from elementary first of second change and has the second decomposition electromagnetic energy beams that first of selected composition first predetermined orientation of electromagnetic wave field arrow decomposes electromagnetic energy beams and has selected composition second predetermined orientation of electromagnetic wave field arrow basically basically; With
[e] decomposes intrafascicular electromagnetic energy beams that decomposites of electromagnetic energy and first electromagnetic energy beams that is merged into list bundle conllinear from the intrafascicular electromagnetic energy beams that decomposites of the elementary second decomposition electromagnetic energy that changes from elementary first of change.
Another object of the present invention is to provide a kind of method and system as previously mentioned, produce co-linear beams with two ingredients and ultraviolet light beam with two ingredients.
Another object of the present invention is to provide a kind of foregoing method and system, wherein decomposition step comprises that primary laser beam is resolved into first and second decomposes light beam, and wherein electromagnetic wave field vows that first predetermined orientation of selected composition has identical orientation with second predetermined orientation of the selected composition of electromagnetic wave field arrow.
Another object of the present invention is to provide a kind of foregoing method and system, wherein decomposition step comprises that primary laser beam is resolved into first and second decomposes light beam, and wherein electromagnetic wave field vows that first predetermined orientation of selected composition has different orientations with second predetermined orientation of the selected composition of electromagnetic wave field arrow.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step comprises the merging of decomposing light beam, and the major part of one of them combined light beam has the predetermined orientation that different electromagnetic wave fields is vowed selected part with the major part of other combined light beam.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step comprises the merging of described decomposition light beam, and wherein the major part of each combined light beam is with the most of parallel of other combined light beam but do not overlap.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step comprises the merging of described decomposition light beam, and wherein the major part of each combined light beam is with the most of parallel of other combined light beam and partially overlap.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step comprises the merging of described decomposition light beam, and wherein the major part of each combined light beam and other combined light beam is most of parallel and synchronous.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step comprises the merging of described decomposition light beam, wherein the major part of each combined light beam and other combined light beam most of parallel, do not overlap and synchronously.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of described decomposition light beam, wherein the major part of each combined light beam and other combined light beam most of parallel, partially overlap and synchronously.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step also comprises the merging of decomposing light beam, and the major part of one of them combined light beam and the major part of other combined light beam have the predetermined orientation that essentially identical electromagnetic wave field is vowed selected composition.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step comprises the merging of decomposing light beam, the major part of one of them combined light beam and the major part of other combined light beam have the predetermined orientation that essentially identical electromagnetic wave field is vowed selected composition, and the major part that this combining step also comprises each combined light beam is with the most of parallel of other combined light beam and do not overlap.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step comprises the merging of described decomposition light beam, the major part of one of them combined light beam and the major part of other combined light beam have the predetermined orientation that essentially identical electromagnetic wave field is vowed selected composition, and the major part that comprises each combined light beam is with the most of parallel of other combined light beam and partially overlap.
Another object of the present invention is to provide a kind of foregoing method and system, wherein combining step comprises the merging of described decomposition light beam, the major part of one of them combined light beam and the major part of other combined light beam have the predetermined orientation that essentially identical electromagnetic wave field is vowed selected composition, and this combining step major part of also comprising each combined light beam and other combined light beam is most of parallel and synchronous.
Another object of the present invention is to provide a kind of method and system, also comprise making single first electromagnetic energy beams of restrainting conllinear lead to the step of projection arrangement.
Another object of the present invention is to provide a kind of method and system, be used to produce electromagnetic energy beams a branch of or the multi beam conllinear, comprising:
[a] provides four bundle or a plurality of electromagnetic energy beams of separating, and each electromagnetic energy beams of separating has the predetermined orientation that identical electromagnetic wave field is vowed selected composition, presetted wavelength scope and have basic rate of flow uniformly on the cross section of each electromagnetic energy beams;
[b] vows the predetermined orientation of selecting composition by the major part that makes each electromagnetic energy beams of separating by one in a plurality of modifiers most of energy beam electric field that changes each electromagnetic energy beams of separating, thus when the major part of each electromagnetic energy beams of separating by a plurality of when being used for changing electromagnetic wave field and vowing the corresponding device of the device of selected composition predetermined orientation, the intrafascicular most of energy beam electromagnetic wave field of each electromagnetic energy that separates vows that the predetermined orientation of selected composition changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner;
[c]
[i] is merged into the electromagnetic energy beams of separating of the electromagnetic energy beams of separating of at least one change and another change at least first electromagnetic energy beams of single bundle conllinear under the condition of the predetermined orientation of the change of the selected composition of the intrafascicular most of energy beam electromagnetic wave field arrow of the electromagnetic energy that separates that does not change each merging basically; With
[ii] is merged into the electromagnetic energy beams of separating of the electromagnetic energy beams of separating of at least one change and another change second electromagnetic energy beams of single bundle conllinear under the condition of the predetermined orientation of the change that does not change the selected composition of the intrafascicular most of energy beam electromagnetic wave field arrow of each electromagnetic energy that separates that collimates substantially basically;
[d]
[i] from first electromagnetic energy of single bundle conllinear intrafascicular decomposite have basically electromagnetic wave field vow first electromagnetic energy beams of selected composition first predetermined orientation and have basically electromagnetic wave field vow second electromagnetic energy beams of selecting composition second predetermined orientation and
[ii] has second electromagnetic energy beams that electromagnetic wave field is vowed first electromagnetic energy beams of selected composition first predetermined orientation and had selected composition second predetermined orientation of electromagnetic wave field arrow basically basically from intrafascicular the decompositing of second electromagnetic energy of single bundle conllinear; With
[e] is merged into single the 3rd electromagnetic energy beams of restrainting conllinear a branch of from the intrafascicular electromagnetic energy beams that decomposites of first electromagnetic energy of single bundle conllinear and the intrafascicular electromagnetic energy beams that decomposites of second electromagnetic energy of another Shu Congdan bundle conllinear.
Another object of the present invention is to provide a kind of foregoing method and system, be used to produce a branch of or multi beam co-linear beams and ultraviolet light beam.
Another object of the present invention is to provide a kind of foregoing method and system, wherein produce each electromagnetic energy beams of separating that step comprises generation and also have the square-section.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise making the 3rd electromagnetic energy beams of single conllinear lead to projection arrangement.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise the step of regulating at least one electromagnetic energy beams of separating.Regulating the step of electromagnetic energy beams can finish by the wavelength and/or the intensity of regulating at least one light beam that separates.
Another object of the present invention is to provide a kind of method and system that produces the modulation electromagnetic energy beams, comprise: produce an initial electromagnetic energy beams, this energy beam has the presetted wavelength scope and have basic rate of flow uniformly on the cross section of electromagnetic energy beams; Initial electromagnetic energy beams is divided into the electromagnetic energy beams that two bundles or multi beam separate, and each electromagnetic energy beams of separating has the predetermined orientation that electromagnetic wave field is vowed selected composition; Major part by making each electromagnetic energy beams of separating by in a plurality of modifiers corresponding one changes separately the intrafascicular most of energy beam electromagnetic wave field of electromagnetic energy and vows the predetermined orientation of selecting composition, pass when being used for changing electromagnetic wave field and vowing the corresponding device of the multiple arrangement of selected composition predetermined orientation when the major part of each electromagnetic energy beams of separating thus, the intrafascicular most of energy beam electromagnetic wave field of each electromagnetic energy that separates vows that the predetermined orientation of selected composition changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner; Do not vow that the electromagnetic energy that the electromagnetic energy beams of separating of change is merged into single conllinear is intrafascicular under the condition of predetermined orientation of change of selected composition not changing the intrafascicular most of energy beam electromagnetic wave field of each electromagnetic energy that separates basically; Basically have the second decomposition electromagnetic energy beams that first of selected composition first predetermined orientation of electromagnetic wave field arrow decomposes electromagnetic energy beams and has selected composition second predetermined orientation of electromagnetic wave field arrow basically from intrafascicular the decompositing of the electromagnetic energy of a branch of conllinear, make electromagnetic wave field vow that first and second predetermined orientations of selected composition differ from one another thus; By making most of electromagnetic energy beams of decomposing change the predetermined orientation of the selected composition of electromagnetic wave field arrow of most of electromagnetic energy beams of decomposing by a modifier, pass when being used to change electromagnetic wave field and vowing device of predetermined orientation of selected composition when most of electromagnetic energy beams of decomposing thus, the intrafascicular most of energy beam electromagnetic wave field of each electromagnetic energy separately vow selected composition predetermined orientation change in response to a flip flop equipment, this flip flop equipment is used telltale to flip flop equipment in a predefined manner.
Another object of the present invention is to provide a kind of method of foregoing generation modulated beam of light.
Another object of the present invention is to provide a kind of foregoing method and system, wherein produce and have the predetermined orientation that essentially identical electromagnetic wave field is vowed selected composition, and on its cross section, have the basic evenly device of the electromagnetic energy beams of the basic collimation of rate of flow and comprise: the electromagnetic energy beams with predetermined wavelength range of collimation basically is provided; From the electromagnetic energy of basic collimation intrafascicular decomposite have basically electromagnetic wave field vow selected composition first predetermined orientation basic collimation first decompose electromagnetic energy beams and have basically electromagnetic wave field vow selected composition second predetermined orientation the second elementary electromagnetic energy beams of basic collimation, make electromagnetic wave field vow that first and second predetermined orientations of selecting composition differ from one another thus; The second decomposition electromagnetic energy beams of being decomposed electromagnetic energy beams and basic collimation by first of basic collimation forms a basic single bundle electromagnetic energy beams that collimates, and has substantially the same selected composition predetermined orientation of electromagnetic wave field arrow and uniform rate of flow on the cross section of this energy beam.
Another object of the present invention is to provide a kind of foregoing be used to the produce light beam of basic collimation and the method and system of ultraviolet light beam.
Another object of the present invention is to provide a kind of foregoing method and apparatus, wherein form step and comprise that forming the list with rectangular cross section restraints electromagnetic energy beams.
Another object of the present invention is to provide a kind of foregoing method and apparatus, also be included in and decompose and form between the step, decompose electromagnetic energy beams by first and second of basic collimation and produce and have the step of first and second electromagnetic energy beams of decomposing that the same electromagnetic wave field is vowed the basic collimation of selected composition predetermined orientation.
Another object of the present invention is to provide a kind of foregoing method and system, wherein decomposition step comprises that decomposing electromagnetic energy beams and second from first of the intrafascicular basic collimation that decomposites of the electromagnetic energy of basic collimation decomposes electromagnetic energy beams and further have basic rate of flow uniformly in its cross section, single bundle electromagnetic energy beams that step [c] also comprises formation further on its cross section with the same basic collimation of electromagnetic energy beams of each decomposition with uniform rate of flow.
Another object of the present invention is to provide a kind of foregoing method and system, also be included between decomposition step and the formation step, decompose electromagnetic energy beams by first and second of basic collimation and produce and have essentially identical electromagnetic wave field and vow that first and second of selected composition predetermined orientation decomposes electromagnetic energy beams, make the parallel but conllinear not of first and second electromagnetic energy beams that decompose of basic collimation thus.
Another object of the present invention is to provide a kind of foregoing method and system, comprise that also the electromagnetic energy beams of the decomposition that makes a branch of basic collimation is used to change the step that electromagnetic wave field is vowed the device of selected composition predetermined orientation by one.
Another object of the present invention is to provide a kind of foregoing method and system, wherein make the electromagnetic energy beams of the decomposition of a branch of basic collimation be used to change electromagnetic wave field and vow that the step of the device of selected composition predetermined orientation comprises that the electromagnetic energy beams of the decomposition that makes a branch of basic collimation is used to change the liquid-crystal apparatus that electromagnetic wave field is vowed selected composition predetermined orientation by one by one.
Another object of the present invention is to provide a kind of foregoing method and system, the electromagnetic energy beams that also comprises the decomposition that makes a branch of basic collimation is used to change the device that electromagnetic wave field is vowed selected composition predetermined orientation by one, its electromagnetic wave field of electromagnetic energy beams that this device also is used for changing the decomposition of a branch of basic collimation is vowed the predetermined orientation of selected composition, makes the electromagnetic wave field of electromagnetic energy beams of other decomposition that other collimates substantially vow that the predetermined orientation of selected composition mates substantially thus.
Another object of the present invention is to provide a kind of foregoing method and system, wherein form the step that step also comprises the electromagnetic energy beams of the decomposition that collimates substantially from one or more reflection unit reflects one, each reflection unit all has and is used to change the facility that electromagnetic wave field is vowed selected composition predetermined orientation.
Another object of the present invention is to provide a kind of foregoing method and system, wherein the step of the electromagnetic energy beams of the decomposition that collimates substantially from one or more reflection unit reflects one comprises the electromagnetic energy beams of the decomposition that collimates substantially from one or more flat reflecting surface reflects one with two dielectric coatings, wherein each reflection unit has the facility that is used to change the selected composition predetermined orientation of electromagnetic wave field arrow, and each flat reflecting surface with dielectric coating has a kind of facility that electromagnetic wave field is vowed the predetermined orientation of selected composition that is used to change.
Another object of the present invention is to provide a kind of foregoing method and system, wherein the step of the electromagnetic energy beams of the decomposition that collimates substantially from one or more reflection unit reflects one comprises from the electromagnetic energy beams of the decomposition of one or more a branch of basic collimations of mirror reflects with thin dielectric film, wherein each reflection unit has the facility that is used to change the selected composition predetermined orientation of electromagnetic wave field arrow, and each catoptron with thin dielectric film has a kind of facility that electromagnetic wave field is vowed selected composition predetermined orientation that is used to change.
Another object of the present invention is to provide a kind of foregoing method and system, the electromagnetic energy beams that wherein provides step that a branch of basic collimation that provides is provided also has the electromagnetic wave field of random variation and vows the predetermined orientation of selecting composition.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise at least from the step of the energy beam of the intrafascicular predetermined wavelength range that is removed to few predetermined portions of a branch of electromagnetic energy.
Another object of the present invention is to provide a kind of foregoing method and system, also comprise removing the absorption plant that partly leads.
Another object of the present invention is to provide a kind of method and system that produces the modulation electromagnetic energy beams, comprise: initial collimation electromagnetic energy beams is provided, and this energy beam has the electromagnetic wave field of randomly changing and vows the predetermined orientation of selected composition and have uniform basically luminous flux density on whole energy beam xsect; From initial collimation energy beam, decomposite a branch of decomposition electromagnetic energy beams and a branch of decomposition electromagnetic energy beams that electromagnetic wave field is vowed the first initial collimation of selected composition first predetermined orientation that have, make electromagnetic wave field vow that first and second predetermined orientations of selected composition differ from one another thus with second initial collimation of selected composition second predetermined orientation of electromagnetic wave field arrow; Decompose second of electromagnetic energy beams and initial collimation by first of initial collimation and decompose the initial single electromagnetic energy beams of rectangle that electromagnetic energy beams forms basic collimation, have predetermined orientation and basic rate of flow uniformly that identical electromagnetic wave field is vowed selected composition on the whole substantially cross section of this energy beam electromagnetic energy beams substantially; The initial electromagnetic energy beams of rectangle list bundle of collimation is divided into two bundle or multi beam electromagnetic energy beams, the collimation rectangle electromagnetic energy beams that makes each separate thus all has the collimation rectangle electromagnetic energy beams of separating with other to have the predetermined orientation that an identical electromagnetic wave field is vowed selected composition, and each each collimation rectangle electromagnetic energy beams of separating all has the collimation rectangle electromagnetic energy beams of separating with other to have different electromagnetic energies; By removing a collimation rectangle electromagnetic energy beams and the part of the removing guiding energy beam dog catch that at least a portion is separated, remove thus and remove part and the adjusting electromagnetic energy; Pass through corresponding in an a plurality of modifiers predetermined orientation that changes the selected composition of the intrafascicular most of energy beam electromagnetic wave field arrow of collimation rectangle electromagnetic energy separately by the major part that makes each electromagnetic energy beams of separating, pass when being used for changing electromagnetic wave field and vowing the corresponding device of the multiple arrangement of selected composition predetermined orientation when the major part of each electromagnetic energy beams of separating that collimates substantially thus, the intrafascicular most of energy beam electromagnetic wave field of each electromagnetic energy that separates vows that the predetermined orientation of selected composition changes in response to a flip flop equipment, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner; Under the condition that does not change the selected composition predetermined orientation of the intrafascicular most of energy beam electromagnetic wave field arrow of each collimation rectangle electromagnetic energy that separates basically, the collimation rectangle electromagnetic energy beams of separating that changes is merged into the rectangle electromagnetic energy beams that single bundle collimates; Vow the rectangle decomposition electromagnetic energy beams of first collimation of selecting composition and have the rectangle decomposition electromagnetic energy beams that electromagnetic wave field is vowed second collimation of selecting composition two predetermined orientations from single intrafascicular electromagnetic wave field that decomposites of rectangle conllinear electromagnetic energy of restrainting collimation, make electromagnetic wave field vow that first and second predetermined orientations of selected composition differ from one another thus with first predetermined orientation; With make the first collimation rectangle electromagnetic energy beams or the second collimation rectangle electromagnetic energy beams and pass through projection arrangement.
Another object of the present invention is to provide a kind of foregoing method and system that is used for modulated beam of light.
An example of the present invention comprises; A light source that is used to produce the non-polarized light beam of collimation; One is used for the linear P polarized light that unpolarized source beam branch is orthogonal and the polarization beam apparatus of S polarized light; A half-wave ratarder that is used for the S polarized light is rotated back into second polarized light; With a mirror arrangement that the P light beam is merged into a single polarization rectangular light beam.
On this aspect, utilize one first dichroic mirror that light beam is divided into red composition and blue-green composition, this dichroic mirror is chosen on it reflection wavelength greater than the red light wave of 600nm.Second dichroic mirror that utilizes a reflection wavelength to be in the green light wave of 500nm～600nm then is divided into blue light beam and green beam to the blue-green composition.As a kind of selection, also red beam and blue light beam can be filtered, so that best color balance is provided on visual effect, then the exclusive segment that leaches in red, the blue light is absorbed.Here, the red, green and blue light that separates passes LCD and changes their electric field intensity according to input signal.Utilize one to see through wavelength and the red-green glow bundle that separates is merged into a red-green glow bundle less than the dichroic mirror of 595nm and reflect red.Utilize another to see through wavelength then and this red-green glow and the blue light that separates are merged, form a co-linear beams greater than the dichroic mirror of 515nm and reflect blue.Then this co-linear beams is passed through analyzer, analyzer is according to its electric field intensity separating light beam.Wherein the light beam of a branch of separation can lead to absorption light beam piece.The modulating polarization light beam of the separation of choosing is thoroughly to projecting lens, and projecting lens projects this light beam on the film viewing screen.System and method of the present invention can projection go out the big or small visual of high brightness, high resolving power and high-contrast on screen.
Though should also be understood that for red, green and blue light to have provided concrete wavelength value, this can change or adjust these numerical value only for example purposes according to suitable light source type.The change of concrete wavelength coverage or adjustment will be according to final required color balances.
In a kind of system disclosed by the invention, the collimated light that light source sends is through polarization beam apparatus.Polarization beam apparatus divides linear P polarized light and S polarized light random polarization, and with the right angle the crossed polarized light beam steering to another deflected beam.The P polarized light passes the deflection beam splitter and by entering the projector light road behind the first mirror reflects an angle of 90 degrees.The S polarized light is mapped to the P polarized light and passes through half-wave ratarder from the deflection beam splitter with an angle of 90 degrees.Half-wave ratarder changes over the P polarized light to the S polarized light.Second catoptron reflexes to third and fourth catoptron to these P polarized light 90 degree then.Third and fourth catoptron is the P polarized light of reflection separately, and 90 degree reflections make it incide on the LCD from the P polarized light of second catoptron then again.The 4th catoptron along the light path setting, makes P polarized light separately be merged into rectangular light beam with respect to another catoptron, and it is corresponding to the rectangle unthreaded hole of LCD.
All light that in fact system of the present invention allows light source to send all incide LCD.And at the shape that light beam had at LCD place the peripheral structure that is generally rectangle corresponding to most of LCD.The advantage of rectangular light beam is to make the illumination that is utilized be mapped to the useful part of LCD, thereby can not make other element over-temperature around the LCD, thereby avoids the problem that reflects and/or heat.
In addition, the system in the another embodiment of the present invention imports the polarizer with the source beam of collimation, and source beam is divided into right side light and left side light, and every sidelight all has identical yawing moment.Then right side light and left side light are filtered elementary colorama (red, green and blue) separately.The pixel that each elementary colorama that separates all has the light beam appropriate section, this light beam changes its electric field intensity corresponding to the left and right sides input imagery by each LCD.Then the image separately of the elementary column of colour of left and right sides is merged into single left side and right side image.The left and right sides image is merged, resolves into different light beams by analyzer according to electric field intensity then, and more described a branch of polarized light is projected on the display screen.
In another embodiment, can obtain high-resolution image by foregoing method and system.Left side light beam along continuous straight runs or less amount of offset from vertical right side light beam (otherwise still) (i.e. pixel) on display screen.In this pattern, the driving circuit of liquid crystal LCD must separate an input imagery and make other each pixel send to right side or left side.
For three-dimensional image of projection, the input imagery that separates corresponding to observer's right and left eyes (being different visual angles, space) is input to left and right sides LCD separately.The observer can be chosen in and be with pair of eyeglasses on the eyes, makes glasses on the right eye be used to watch the image along the first direction polarization, and the glasses on the left eye are watched the image at the different directions polarization.If the signal that offer driving circuit, is used for a left side/right side provides unlike signal corresponding to the different spaces angle mode of right and left eyes, the observer will see three-dimensional image.The left and right sides image that these separate also can be realized 3-D effect without glasses by the sequential of the 3-D effect that obtains.
As an example, system construction is used to observe eyeglasses different orthogonal or different circular polarization images for beholder's glasses comprise one.The left eye lens arrangement becomes to be used to watch the P polarized light, and the right eye lens arrangement becomes to be used to watch the S polarized light.Perhaps, as an example, the left eye lens arrangement becomes to be used to watch right-hand circularly polarized light, and the right eye lens arrangement becomes to be used to watch left light.
As another example, native system adopts the polarization screen and without glasses.This screen is made by a kind of transparent material, and this material has that two or more different polarizations are filmed or layer.The electric field intensity that each is filmed or layer reflects the electric field intensity of a certain specific orientation and sees through other all orientations.Each continuous layer or film differs from one another.This make image specific part with certain depth or in fact the form of 3D see.These types the layer or film and can obtain from OCLI.About usually discussing, see James D.Rancourt, at 1987 McGraw-Hill Optical andElectro-optical Engineering Seris, on " Optical Thin Films User ' sHandbook ".
In another embodiment of the present invention, can provide 3D high resolving power, 3D black and white or high-resolution projector.
The accompanying drawing summary
Fig. 1 is the electromagnetic synoptic diagram with the direction of propagation, electric field and magnetic field;
Figure 1A is the electromagnetic wave synoptic diagram of looking downwards along propagation axis, and it has schematically shown all directions of electric field arrow different orientation;
Figure 1B is that electric field is vowed along the synoptic diagram of x axle and the decomposition of y axle;
Fig. 2 is the sectional view of existing LCD box; Fig. 2 A is a kind of synoptic diagram of LCD assembly, and it represents pixel used in this invention;
Fig. 3 is the system schematic that is used to illuminate LCD display or LCD in the LCLV of embodiment of the invention projector;
Fig. 3 A is similar to shown in Figure 3 but is used for illuminator sketch preferred embodiment, LCD display or LCLV projector of display or projector according to the present invention;
Fig. 3 B be similar to shown in Fig. 3 and the 3A but be used for the illuminator sketch another embodiment, LCD display or LCLV projector of display or projector according to the present invention;
Fig. 4 is the sketch of the collimated light beam that sends from light source, and wherein light source is superimposed upon on the employed catoptron of system of the present invention;
Fig. 4 A is that figure is separated in the letter that is used to analyze LCD unthreaded hole and light beam physical dimension;
Fig. 5 is the sketch of the one polarisation of light harness shape on the expression LCD display that is added to formed according to the present invention;
Fig. 6 is which floor is by the synoptic diagram of the film coating of the light beam of non-polarized wave source and decomposition illumination;
Fig. 7 is the synoptic diagram that light beam incides LCD box and electric field arrow final delay (change, change or distortion);
Fig. 8 is the colored LCLV projector sketch that constitutes according to the preferred embodiment of the present invention;
Fig. 8 A is the functional step with graphic form presentation graphs 8, and this step is included in the method that produces the electromagnetic energy modulator beam that uses in the colored LCLV projector;
Fig. 8 B is that the present invention utilizes light source to the light path such as non-of LCD and the sketch of optimum system choosing embodiment one two look bundling device, that be used for the LCLV projector;
Fig. 8 C be the present invention utilize light source to the light path such as non-of LCD and from LCD to the projecting lens etc. the sketch of optimum system choosing embodiment light path, that be used for the LCLV projector;
Fig. 8 D is that the present invention utilizes light source to the light path such as non-of LCD and the sketch of one two look beam splitter and optimum system choosing embodiment bundling device, that be used for the LCLV projector;
Fig. 8 E is the sketch that the present invention is used for the preferential embodiment of system of LCLV projector, and wherein the present invention utilizes two look bundling devices and the light source that separates, and the light source that separates for example is the rectangle linear array of diode laser, LED, fluorescence flat board or neon flat board;
Fig. 8 F is the sketch that the present invention is used for the optimum system choosing embodiment of LCLV projector, utilization wherein of the present invention is used for light beam dichroic mirror device that separates that merges and the light source that separates, and the light source that separates for example is the rectangle linear array of diode laser, LED, fluorescence flat board or neon flat board;
Fig. 8 G is the sketch that the present invention is used for the optimum system choosing embodiment of LCLV projector, and wherein the present invention has utilized and has been used for light beam dichroic mirror device that separates that merges and the light source that separates, and the light source that separates for example is Argon ion laser or high strength white light;
Fig. 9 is the curve map of ordinary light source spectral characteristic;
Fig. 9 A is the performance data table of ordinary light source;
Figure 10 is the photopia curve of human eye to visible light;
Figure 10 A is the CIE colour curve;
Figure 10 B is identical with Figure 10 A, but the zones of different demonstration is different colours;
Figure 11 is a wavelength response curve of using cube polarizing component in embodiments of the present invention;
Figure 12 is the transmission and the coverage diagram of the catoptron (33) that is used for the infrared composition of separate light source light beam in the embodiment of the invention;
Figure 13 is transmission and the coverage diagram that is used for the catoptron (35) of separate light source light beam ultraviolet composition in the embodiment of the invention;
Figure 14 is used in the embodiment of the invention separating and the further catoptron (80 of filtering light beam of light source ruddiness composition; 82) transmission and coverage diagram;
Figure 15 is the transmission and the coverage diagram of catoptron (90) that is used to merge the red beam of the blue light beam of change and change in the embodiment of the invention;
Figure 16 is used to merge the transmission of catoptron (92) of red beam of the blue light beam of change and change and the analytic curve of reflection characteristic in the embodiment of the invention;
Figure 17 is the catoptron (86﹠amp that is used for further filtering blue light beam in the embodiment of the invention; 88) the transmission and the analytic curve of reflection characteristic;
Figure 18 is the transmission of the catoptron that is used for further filtering blue light beam (84) in the embodiment of the invention and the analytic curve of reflection characteristic;
Figure 19 is the general flow chart according to the colored LCLV projector of embodiment of the invention formation;
Figure 20 is the sketch according to the colored LCLV projector of 3D of preferred embodiment of the present invention formation;
Figure 20 A is the sketch according to the colored LCLV projector of 3D of another preferred embodiment formation of utilizing additional quarter-wave delayer;
Figure 20 B observes the sketch of the colored LCLV projector of 3D that lens use according to what another embodiment of the present invention constituted with circular polarization;
Figure 20 C is the optimum system choosing embodiment sketch according to the 3D of being applicable to of the present invention, high brightness or high-resolution twin-beam LCLV projector, and wherein the present invention utilizes two look bundling devices and the light source that separates, as the rectangle linear array of laser diode or LED;
Figure 20 D is another embodiment sketch according to the 3D of being applicable to of the present invention, high brightness or high-resolution twin-beam LCLV projector, wherein the present invention utilizes bundling device and such as the light source that separates of the rectangle linear array of laser diode or LED, also utilizes the variable delay device of LCD device as output beam;
Figure 21 is the sketch of the double camera projector method used with 3D projector embodiment of the present invention;
Figure 22 is the high resolving power of the formation according to the present invention or the preferred embodiment of three-dimensional black-and-white crystal LCLV projector;
Figure 22 A is the synoptic diagram that adopts another preferred embodiment of high resolving power that the square wave delayer constitutes or three-dimensional LCLV projector according to the present invention;
Figure 23 utilizes a device to view and admire the sketch of cubical optimum system choosing embodiment as 3D display screen or 3D;
Figure 24 is the preferred embodiment sketch that produces the system of fluorescence by dull and stereotyped facility;
Figure 24 A is the skeleton view of device among Figure 24;
Figure 25 is the sketch that is used for producing the optimum system choosing embodiment of Fig. 8 E, 8F, 20C, 20D laser diode linear matrix;
Figure 26 is the property list of catoptron used in this invention;
Figure 27 is the sketch that is used to produce the preferred embodiment of a kind of known optical integrator of the system of collimated light beam;
Figure 27 A is the preferred embodiment of monochromatic light pipe that is used to produce the optical integrator of collimated light beam, and expresses the light path that light therefrom passes;
Figure 27 B is the sketch that is shaped as the fly's eye configuration preferred embodiment of light pipe in the optical integrator of rectangle, and wherein light pipe is done quadrate;
Figure 27 C is the sketch that is shaped as the fly's eye configuration preferred embodiment of light pipe in the circular optical integrator, and wherein light pipe is done circular;
Figure 28 is the synoptic diagram of preferred embodiment that produces the system of collimated light beam, and wherein this system comprises a light source, one first and second reflection unit, a light integrators device and a collimator apparatus.
The detailed description of accompanying drawing
For simple purpose, in each figure to identical parts with identical label.
Light path and rectangular light beam
Referring to Fig. 3, the collimated light beam 50 that sends from light source 32 is transformed into a single polarization 30, the cross section structure or the form fit of cross section structure that this polarized light has or shape (referring to Fig. 5) and LCD display 34.As an example, LCD 34 displays are the LCD with unthreaded hole of rectangular periphery structure.
This respect of the present invention comprises on the light path of an alignment: a polarization beam apparatus 36, a half-wave ratarder 38, with the configuration of one first catoptron 40, second catoptron 42, the 3rd catoptron 44 and the 4th catoptron 46, this configuration each light beam that penetrates from polarization beam apparatus 36 is merged into its cross section structure or shape and LCD display 34 the cross sectional shape coupling single polarized light 30 of restrainting of merging.Can be placed on suitable colored filter 48 between LCD display 34 and the combined light beam.
The mode that forms collimated light beam 50 is described now.Light source 32 and reflective optical device or install 41 produce one after collimated optical devices such as lens 43 or the non-polarized light beam 50 of light integrators device 63 collimations as shown in figure 27.
Light or optical integration apparatus are made by a plurality of light pipes shown in Figure 27 A, and each light pipe is adjacent with one or more other light pipes and contact.Each light pipe all is made up of one first lens surface 45, main body 75 and second lens surface 71.Light source 31 is to the surface emitting beam 73 of main body 75, and main body 75 is landed at required reservation shape place.The effect of first lens surface 45 is light beam 73 is bent towards each other the direction of collimation more.To second lens surface 71, it has identical refractive index with first lens surface 45 and second lens surface 71 to main body 75 the light beam carrier band.Reduced the interface number that light beam 73 must pass like this.Continue forward, light beam 73 incides second lens surface 71 that lands at the reservation shape place, and bends towards the more direction of quadrature again; Thereby the light beam that penetrates surface 71 collimates basically.Lens surface 45 and 71 can have also and can not have identical shape or form, this depends on Several Factors, these factors include but not limited to: the size of light source, the shape of light source, the type of light source, light source is to the distance of first lens surface 45, the length of main body 75 and size, and integrator second lens surface 71 is to the distance and the commercial known other factors of target.
Again referring to Fig. 3, as selection, light source 32 and reflective optical device thereof or install 41 and form unpolarized collimated light beam 50.Unpolarized collimated light beam 50 is divided into orthogonal polarized light beam-P light beam 52 and S light beam 54 separately by polarization beam apparatus 36.The P light beam passes polarization beam apparatus 36 and points to first catoptron 40, becomes folded light beam 53 and reflexes on the LCD display 34 through 90 ° of corner reflections again.S light beam 54 is polarized 90 ° of angles of beam splitter 36 deflections and passes half-wave ratarder 38.Half-wave ratarder 38 changes the electric field of S light beam 54 and vows that orientation is to form the 2nd P light beam 56.This 2nd P light beam 56 is by 90 ° of angles of second catoptron, 42 reflections.The 3rd catoptron 44 and the 4th catoptron 46 are used to tackle the 2nd P light beam 56 of reflection, and light beam is divided into the reflecting bundle that separates 58 and 60 that two bundles and reflecting bundle 53 equidirectionals are launched.Then, the reflecting bundle 53,58 and 60 that separates of three beams is merged into that the electric field with single bundle orientation is vowed the single beam of (P polarization) and through suitable colored filter 48 guiding LCD display 34.
Referring to Fig. 4, each catoptron can be made of a kind of preferred geometry as first catoptron 40, as the peripheral shape of rectangle or square (promptly square is a branch of rectangle), its interception is generally the light beam (promptly 52) of circle or collimation, and the light beam from mirror reflects also is square or matrix structure like this.This kind layout configurations will produce the folded light beam that geometric configuration is similar to used mirror shapes and size, the beam replication because the geometric configuration of catoptron will be reflected.As shown in Figure 5, such configuration allows from the square light beam 53 of first catoptron, 40 reflections, aligns from the rectangular light beam 60 of the 4th catoptron 46 reflections and from the rectangular light beam 58 of the 3rd catoptron 44 reflections, thereby produces a single beam at LCD display 34 places that generally have rectangular profile.The unthreaded hole coupling of the rectangular profile of the rectangular profile of single beam 30 and LCD display 34 and especially LCD display 34.
With reference to Fig. 3 and Fig. 4, method and system of the present invention can be summarized as follows: utilize light source 32 to produce unpolarized collimated light beam 50; Utilize polarization beam apparatus 36 that non-polarized light beam 50 is divided into orthogonal polarized light beam (i.e. a P polarized light 52 and S polarized light 54) separately; On first orthogonal beams 52 guiding, first catoptron 40 to produce first folded light beam 53; Second orthogonal beams 54 (S light beam 54) is led and pass half-wave ratarder 38, have second folded light beam 56 of identical polarization direction thereby the polarization direction of second orthogonal beams 54 (S light beam 54) is transformed into first orthogonal beams 52 (the 2nd P light beam); Second orthogonal beams 56 (the 2nd P light beam) guiding, second catoptron 42 and through 90 ° reflection; Second folded light beam, 56 guiding, third and fourth catoptron 44,46, these catoptrons reflect second 90 ° to second folded light beam 56, and second folded light beam 56 is divided into the 3rd folded light beam 58 and the 4th reflecting bundle 60; Merge reflecting bundle separately, be about to the single beam bundle 30 that first folded light beam (P polarization) the 53, the 3rd folded light beam (P polarization) the 58 and the 4th folded light beam (P polarization) 60 is merged into a single polarization, and it has the rectangular profile with the rectangular profile coupling of LCD display 34.
Consider the form factor of light source, shown in Fig. 4 A, and hereinafter described, the light beam that light beam 30 allows light source 32 basically the to produce LCD display 34 that is used to throw light on.Utilize light beam 30, the element (being polarization beam apparatus 36, half-wave ratarder 38, catoptron 40,42,44,46) that can regulate minimum number at an easy rate is to obtain final single beam at LCD display 34 places, and this light beam has required shape and single polarization direction (being that single electric field is vowed orientation).The polarization direction of final light beam is the P polarization direction in the illustrated embodiment.Perhaps, light beam 30 also can be configured in S light beam of LCD display 34 places generation, perhaps other selected polarization direction.
In addition, can rotate half-wave ratarder 38 with tuning gained light beam 56 from half-wave ratarder 38 outgoing, accurately mate the polarization direction that makes it and penetrate a P light beam 52 of polarization beam apparatus 36.In addition, can also regulate or reset catoptron (40,42,44,46) at an easy rate thus to need the final light beam of profile at LCD display 34 places.
In Fig. 3 A, the half-wave retardation of light beam realizes with the device beyond the half-wave ratarder 38.This can be by postponing to finish from second catoptron, 42 folded light beams 54 (S polarization), formation quarter-wave.Each light beam also is delayed quarter-wave again from catoptron 44,46 reflections of correspondence then.This causes S light beam 54 by half-wave retardation, becomes P light beam 58,60.System shown in Fig. 3 A is more more preferred than Fig. 3, because it needs element still less.This catoptron can be from Galifomia, Santa Rosa, OCLI company obtain, these parts be numbered 777-QWM001～777-QWM002.
Film coating may also be referred to as dielectric film, promptly the electronics in this material atom be so closely be combined in nuclear around, even also can ignore electric current applying under the high electric field.The thickness of each film or layer change in very wide scope, but are known as film during in wavelength magnitude when the thickness of film.These films have many layers, and one of them is at another top, and this just is known as multilayer film, as shown in Figure 6.The electric field arrow that the structure that each layer basis designs separately reflects suitable wavelength or suitably is orientated.These layers typically pass through the vacuum deposition calmness on the end face that receives substrate.This comprises evaporating materials and the steam atom is struck on the substrate with speed in a predetermined manner.Typical material comprises MgF
2, SiO
2, AL
2O
3, C (adamas), ZnS, TiO
2, CdS, CdTe, GaAs, Ge, Si, Ag, Au, PbS and many other materials.
Because the use electrolyte, thus refractive index of each layer and adjacent layer differ from one another, although they also may be identical in some cases.
Light is from each layer and boundary reflection and transmission (see figure 6).These from each at the interface transmission and the reflection light wave fields interact with each other.The material difference of film and optics thickness of film difference, the result of acquisition are also different.The device of making by this way can have a film to the hundreds of layer on substrate.For example by suitable design, a coating can change the phase place of the linearly polarized photon of incident.The effect of this coating is equivalent to quarter-wave plate on effect.Several papers have been delivered about this theme, specifically: " Phase Retardance of periodicMultilayer Mirrors; ", Appl.Opt., 21 (4): 733 (1982), Joseph H.Apf el, " Graphical Method to Design to Design internal Reflection PhaseShift ", Appl.Opt., 19 (16): 2688, (1980), William H.Southwell.
In another kind design, the polarized lightwave of coating reflection incident also thereby strengthens the reflection of P polarization.This design can reflect whole spectrum and effect is equivalent to a broadband mirrors.
The element that produces the system of single beam 30 can be made by the commercial parts that can access.Light source 32 can be any suitable bulb, as the short arc light modulation, and quartzy halogen lamp, mercury/xenon steam long arc lamp etc.Usually, this lamp can produce high intensity point source effectively.This lamp can have all size and different spectral qualities.Many manufacturers can make higher source luminance (brightness is greater than 15,000 lumens), and these manufacturers comprise Optical Radiation CorporationAzusa, California, but be not limited to this.Also can shown in Fig. 9 A, use other light source that can produce required wavelength and different output brightness (spectrum or spectral distribution).Most of light source comprises visible, the infrared and ultraviolet spectrum of different proportion.Also can make light source with laser.
Light preferably shines the surface of layer with 45, with the normal direction of beam less deviation is arranged, thereby the incident angle between key-course and the light beam well.In the U.S. Pat 2,449,287 of the U.S. Pat 2,403,731 of MacNeille or Flood, this polarization beam apparatus has been described.A kind of coml polarization beam apparatus that can be used for herein can be from the Santa Rosa of California, Perkin Elmer Corporation, and Electro-Optical DivisionNormalk, Connecticut or OCLI Corporation obtain.For the wavelength response curve of polarization beam apparatus as shown in figure 10.
These film coatings that are layered on polarizer or the polarization beam apparatus diagonal line can be the coatings that can handle high energy beam such as laser beam.They can handle the projectile energy of every square centimeter of very high wattage.
The catoptron of selecting 40 (OCLI Corporation, Santa Rosa, California, partno.777BBM001) must be one at the active reflector of required certain wave strong point to the P polarized light.According to the structure of system, catoptron 42,44,46 both can have been selected the quarter-wave delayer, also can select broadband mirrors.If use the quarter-wave catoptron, their part number is 777QWM001 and 777-QWM002.If use broadband mirrors, their part number is 777-BBM002 and 777-BBM003.The catoptron of these models can be from Santa Rosa, OCLI Corporation, and California obtains.For example, this catoptron can form by being coated in a suprabasil film.Film is formed by a kind of broadband coating of visible light.Because the reflectivity properties of metal, known metal film mirror reflects P polarized light is more more effective than S polarized light.Because this known efficiency factor, the present invention converts the S polarized wave to the P polarized wave.
The film reflecting mirror that can accept can be from Santa Rosa herein, OCLI Corporation, and California obtains.Film coating is known as laser coatings, and it can handle high-energy light beam guiding (W/cm
2).
Half-wave ratarder 38 (as shown in Figure 3) can be the optical element of known delayer one class, is used to change the polarization direction of incident light wave.By delayer, the electric field of the light ratio incident light of outgoing vows that direction postpones the phase value of scheduled volume.Light one comes out from delayer, and its relative phase just is different from initial value, and polarization state (orientation that electric field is vowed) is also just different like this.Usually the retardation plate that produces 90 ° of relative phase differences is called half-wave ratarder.
Half-wave ratarder can be made by biaxial crystal material such as mica, also can be with the sheet of plastics material of the long-chain organic molecule of the alignment that stretches, thin-film electrolyte (as by OCLICorporation, Santa Rosa, California makes), a plurality of LCD, the catoptron that is coated with thin-film electrolyte, LCD and be coated with the combination of catoptron of thin-film electrolyte and manufacturing such as quartz crystal.Preferably become regulate the rotation of crystal (promptly by) with half-wave ratarder 38 in embodiments of the present invention: the P polarization state of polarization state and the P light beam 52 that penetrates polarizer cube 36 that penetrates the P light beam 56 of delayer 38 (see figure 3)s accurately mates.Also can adopt other device except that half-wave ratarder to change or the polarization direction of commutating optical beam.
By the example of indefiniteness, system that constitutes according to the present invention and method thereof possess following result and be better than the advantage of existing illuminator: produce rectangle singularity light beam, this will be full of the aperture of LCD display effectively; The divergence of gained light beam in the LCD demonstration is less than other synthetic method, and be promptly little than the combined method in the U.S. Pat 4,913,529 of Goldenberg.
Light projector
Referring now to Fig. 8,, a kind of projector that expression constitutes according to the embodiment of the invention among the figure.For convenience's sake, only mark the direction of expression light path position and be not to indiscriminately imitate actual layout among the figure.The exemplary components that links different light paths also can adopt other layout.
Light source 32 (being short arc light xenon lamp, quartzy halogen lamp, mercuryvapour/long arc light xenon lamp etc.) emission is collimated into the light on the beam source 50, and this light beam is propagated to the left, and it comprises the wave spectrum of visible, infrared and ultraviolet light.(most of light source comprises the light of above all wavelengths; But ratio wherein is different.See Tu9 ﹠amp; Dissimilar light source shown in the 9A).According to the requirement of using, the lamp source can be any device that is suitable for producing collimated light beam.The characteristics of light source can be modified as and be suitable for specific application.
The visible light that human eye can be seen is in the wavelength coverage (this is well-known, and can check in, also the photopia response curve of visible Figure 10) of 400～700nm from reference book or university teaching.The non-visible wave band of 200nm～400nm is called the ultraviolet region, and the non-visible wave band of 700nm～1500nm is called infrared region.The wattage of the radiant light energy that infrared band (greater than 700nm) and ultraviolet band (less than 400nm) are provided is harmful to the optical element of system, but to common human eye be safe from harm (optical response plot of seeing Figure 10).Because this reason, the collimated light beam 50 that sends from light source 32 catoptron 33 that leads left, this catoptron is a kind of dichroic/thin film dielectric catoptron.Dichroic/thin film dielectric catoptron can play wave filter.Usually, the catoptron of these types is configured to transmission (promptly by) all wavelengths and is longer than the light of (or being shorter than) reference wavelength and reflects the light of non-transmission.The transmission and reflection characteristic of catoptron 33 is shown in Figure 12.
The wavelength that shines the front surface coating is reflected 90 ° downwards to catoptron 35 (see figure 8)s less than the light of 700nm.The infrared part 141 penetration mirrors 33 of source beam 50 (wavelength is greater than 700nm) also shine the 161 beam blocking absorbers of representing among the figure.Beam blocking absorber 161 can be made of a black aluminium (being preferably with fin so that radiations heat energy), this aluminium absorbs the infrared wavelength of source beam 50 and sends the energy of absorption again with the form of heat, and the energy of these absorptions can carry from system and it does not guided in the lived composition.Perhaps, also can adopt other suitable facility to absorb infrared wavelength in the place of black aluminium block.In addition, can adopt the facility of except that dichroic/thin film dielectric catoptron 33 other suitable separation or filtering source beam 50 infrared compositions.
Be reflected mirror 33 90 ° of reflections downwards and shine the front surface of catoptron 35 of its commplementary wave length that produces the source beam 50 of new source beam 55.When utilizing catoptron 33, catoptron 35 forms a wave filter, and the feasible visible part (wavelength of 430-700nm is seen Figure 13 A) that produces the source beam 55 of new source beam 57 is transmitted to a polarizer cube 36 of catoptron 35 light paths.The ultraviolet portion 37 (wavelength is less than 439nm) of source beam 55 reflects 90 ° left to beam blocking absorber 161.( catoptron 33 and 35 family curve are shown in Figure 12 and 13).Perhaps, also can be provided for separating and absorbing other facility of source beam ultraviolet composition in the position of dichroic/film reflecting mirror 35 and beam blocking absorber 161.
Then, source beam 57 guiding are used for 57 of source beams are biased into the facility 36 of two orthogonal polarized light beams.In the present invention embodiment shown in Figure 8, polarizer cube 36 is used for source beam 57 is divided into P polarized light 52 and S polarized light 54.Obviously, when the polarizer cube is that the polaroid mentioned or one deposit the glass of film polarizing coating or film polarization layer on it when being clipped in laminated glass between the glass, these polarizer cubes also can be used to constitute native system.
A kind of suitable polarizer cube 36 shown in the embodiment of the invention is a kind of known birefringent polarizer in the prior art.Be called the MacNeille polarizer especially for the polarizer among the application, it is 2,403,731 and 2,449, describe to some extent in No. 287 patents, more than done prevailingly and discussed.
If press film MacNeille polarizer structure, polarizer 36 is because film coating can be very responsive to the ultraviolet and the infrared part of spectrum; Thereby before light beam entered into polarizer cube 36, the wavelength by catoptron 33 filterings was useful.This is because ultraviolet light causes internally coated decay, infrared ray optical direction cause in the polarizer 36 form overheated.The polarizer coating begins to absorb the following energy of 425nm, will impair the efficient of coating.(seeing Figure 11, the wavelength response figure of suitable polarizer cube 36).Polarizer 36 is biased into the light beam 52 and 54 of two quadratures to 57 of source beams, and the two has equal sectional area but different polarization directions.52 rectilinear propagations of P polarized light shine catoptron 40,90 ° of there quilt deflections left.Another polarization composition of source beam cube 36, the S polarization of source beam part, be light beam 54 from 45 ° of the scarf deflections left of the polarizing coating of polarizer cube 36.This S polarized light 54 is by half-wave polarization retarder 38 or by reflecting the polarization direction that is converted or changes over the P polarized light from coated reflector 42,44 and 46.
The front has carried out discussing prevailingly to the requirement of half-wave ratarder 38 and from the reflection and the code requirement of catoptron 42,44,46.
Half-wave ratarder 38 thereby produce one the 2nd P light beam 56.The 2nd P light beam 56 shines 90 ° of catoptron 42 also downward polarizations, and the mirror 44 and 46 that is reflected there reflects left.Catoptron 40,42,44 and 46 is front surface broadband catoptrons, will keep the P polarization direction of light beam.These catoptrons 40,42,44 and 46 reflecting surface generally are rectangular shapes in addition, make from its beam reflected it generally also is rectangle.This makes the final single polarization bundle that forms generally also have the contour structures of rectangle, so as with the unthreaded hole coupling of LCD.Final like this single polarization bundle 30 is the twice of its original size, and has the rectangular area identical with LCD, and it will continue incident and be in a kind of polarization state, i.e. the P polarization.
Perhaps, can use any other suitable facility to produce orthogonal polarized light beam (52,54) in the position of polarizer cube 36.In addition, the polarization direction that the facility except that half-wave ratarder 38 changes one of (or change) light beam 54 can also be set, as reflection from coating catoptron 42,44,46.And can use other facility except that catoptron 40,42,44 and 46 to merge light beam 52 and 56.The layout that can be placed to other to catoptron 40,42,44 and 46 is to produce final single polarization bundle 30, the shape of light beam 30 and the rectangular profile of LCD or LCD unthreaded hole coupling at last.
At this moment, rectangular polarized light bundle 30 incides the coating surface (it is equivalent to the effect of filtering apparatus) of catoptron 80, is divided into two-beam 132,134 at there; Light beam 132 is with 90 ° of angle upper deflectings (as shown in Figure 8), and light beam 134 continues left through catoptron 80.Upwards the deflected beam of propagating 132 is a kind of light beams that comprise 600～700nm (the red part of visible spectrum) wavelength, or a kind of light beam that comprises the predetermined portions of spectrum, and is in the P deflection state.At this moment, light beam 132 shines as on the catoptron 82 of second filtering apparatus.Figure 14 represents the reflection characteristic of catoptron 80 and 82.Clearly, these catoptrons are chosen to the red part of reflect visible light spectrum, and allow to pass through less than the wavelength of 600nm or other predetermined portions of spectrum.Catoptron 82 is filtering deflected beam 132 also, thereby makes the good color balance of itself and required CIE responses match acquisition (see Figure 10 A﹠amp; 10B).As an example, the catoptron curve (Figure 14) of catoptron 82 can be to right translation, thereby can be by the following wavelength of 615nm or other predetermined portions of spectrum, and deflected beam is presented the darker redness of human eye.Any " useless " wavelength will pass catoptron 82 and shine red beam stop portions 136, and useful wavelength changes with 90 ° angle left avertence, and by a LCD, this LCD is called red LCD 138 at there.Beam blocking part 136 can be made according to the mode identical with aforesaid beam blocking absorber 161.
Red LCD 138 (and green LCD 140 and blue LCD 142) is for a kind ofly changing its birefringence, changing the type of vowing orientation by its optical electric field thus, and it forms with board layout, has each pixel 100 (seeing Fig. 2 A).Red LCD138 drives by electronic circuit, and wherein each unit changes separately highlights (change by " distortion " or rotation deflection state, see Fig. 2 A, or by applying the voltage change) according to the vector of the visual rotating electric field of required demonstration.The resolution of projection image will depend on the unit number among the LCD.The demonstration that the demonstration of the vertical pixel in 320 horizontal pixels * 240 will produce 76,800 pixels.Typical televisor is 115,000 pixels.Thereby the red deflected beam 132 by red LCD138 is the red beam 144 of a branch of change at this moment, and it comprises a kind of combination polarization state that is used for each pixel of display, can make each pixel have the electric field arrow of predetermined orientation by driving electronic circuit.As after this more fully explaining, how much light the rotation amount of each pixel polarization state has also finally shine the display screen that is used to show by all distances this pixel of final decision.In this, the red beam 144 of change shines on the catoptron 92 and with polarization on 90 ° of angles.The purpose of catoptron 92 is to merge the red beam 144 of change and the green beam 152 (as shown in Figure 8) that changes.Catoptron 92 thereby as merging device.The response curve of catoptron 92 is shown in Figure 16.Preferably catoptron 92 not change red beam 144 or shine the polarization state of any light beam (i.e. the green beam 152 of Gai Bianing) on it.
Then, the red beam 144 of the change of polarization (from catoptron 92) continues across catoptron 90, and catoptron 90 can maybe can pass through other predetermined portions of spectrum by any wavelength (seeing Figure 17) greater than 515nm.The purpose of catoptron 90 is that red beam 144 that will change and the green beam 152 that changes merge with the blue light beam 160 that changes.Therefore catoptron 90 is also as a kind of merging device.Catoptron 90 does not preferably change any polarization state (orientation that electric field is vowed) that shines the light beam on it.The red beam 144 that changes is by continuing to incide on the last polarizer that is known as polarization analyzer 146 after the catoptron 90.Polarization analyzer 146 also can be the polarizer cube that constitutes according to the MacNeille polarizer, perhaps is on glass or be clipped in the polarizer cube that constitutes between two sheet glass at one as mentioned above.The electric field of the P orientation of each pixel light beam vows that will pass polarization analyzer 146 enters into projecting lens 148, and invests the display screen (see figure 8) according to the magnification of projecting lens 148 as the part of light beam 178.Not that the vector composition of P vector composition will be polarized analyzer 146 polarization and received by beam blocking device 150 left in the red beam 144 that changes.Figure 1B is the schematic diagram how concrete vector composition of expression is divided into two compositions, and wherein each composition has different electric field arrows.Beam blocking device 150 can be made according to aforementioned beam blocking absorber 161 identical modes.Like this, the red light intensity of sightingpiston directly is directly proportional with the rotation amount that the electric field of the red beam that changes is vowed.
The rectangular light beam 30 of single polarization state again, this light beam incides the coating of catoptron 80, is divided into two bundles 132,134 at there.Red beam 132 is upward deflected, and other light beam, blue green beam 134 continue to propagate left by catoptron 80.The bluish-green light beam 134 that passes catoptron 80 and propagate left be a branch of 415nm of comprising～600nm wavelength (the blue green light part of visible spectrum) or other predetermined portions of spectrum and the light beam that is in the P deflected state.The response curve of catoptron 80 is shown in Figure 14.Next, bluish-green light beam 134 shines the surface coating of catoptron 84, and the green portion 154 (500-600nm of light beam, or other predetermined portions of spectrum) upward deflects 90 ° to green LCD140, simultaneously, the blue portion 156 of light beam (425-500nm, or other predetermined portions of spectrum) continues across catoptron 84 and leads to catoptron 86 left.Catoptron 84 is as a green device, and its response curve is shown in Figure 18.
Then, the green beam 152 of change continues by catoptron 90, and this is because catoptron 90 can be by any wavelength greater than the light (seeing Figure 17) of 501nm or other predetermined portions of spectrum.As previously mentioned, the purpose of catoptron 90 is that blue light beam 160 (seeing the response curve of Figure 16 about catoptron) that will change and the light beam 144 and 152 of the change that has merged merge.Preferably catoptron 90 does not change any incident on it or from the deflection state of its light beam that passes.
Pass after the catoptron 90, the green beam 152 of change continues across polarization analyzer 146.The green beam 152 that changes will pass analyzer 146 to the light of any P polarization part of each pixel and enter into projecting lens 148, and become the part of the light beam 178 of investing the display screen (not shown) according to the magnification of projecting lens.The vector composition of non-P polarization composition (S composition) will absorb by analyzer 146 deflection left and by beam blocking device 150 in the green beam 152 that changes.The green light intensity in sightingpiston place directly is directly proportional with the rotation amount that the green beam electric field is vowed like this.
Shine the coating surface of catoptron 84 again and be divided into the bluish-green light beam of two-beam 154,156, green beam 154 upward deflects 90 °, and blue light beam 156 continues across catoptron 84 left.Pass the light beam that catoptron 84 blue light beam 156 left is other predetermined portions of a branch of 415nm of comprising～500nm wavelength (blue portion of visible spectrum) or spectrum, it is the P polarization state.Blue light beam 156 continues to propagate and shine the surface coating of catoptron 86 left, and (catoptron 86 can be a positive broadband mirrors; But blue light must keep the P polarization state), and blue light beam (415-500nm, perhaps other predetermined portions of spectrum) is upward deflected 90 ° of directional mirrors 88.The wavelength response curve of catoptron 84 is shown in Figure 15.
At this moment, incide on the catoptron 88 with further optical filtering from catoptron 86 beam reflected 156.Filter further and can be undertaken, make the required CIE of itself and excellent color balance respond and (see Figure 10 A, 10B) be complementary by 88 pairs of blue light beams of catoptron 156.For example, catoptron 88 can be configured to a kind of curve catoptron as shown in figure 18, and curve is to left, the above wavelength of transmissive 495nm or other predetermined portions of spectrum like this, and make light beam manifest darker blueness to human eye.Any " useless " wavelength will pass catoptron 88 and incide blue light beam restraining mass 158, and useful beam 90 ° of deflections are to the right simultaneously passed blue LCD142 at there.Blue light beam restraining mass 158 can make up according to the mode identical with aforesaid beam blocking absorber 161.As previously mentioned, catoptron 88 does not change the polarization state of blue light beam 156, and this point is very important.The blue portion of blue light beam 156 passes blue LCD 142.Each unit is vowed by the visual rotating electric field that shows according to hope and is changed each light part.Thereby the blue light beam 160 of the change by blue LCD 142 is the blue light beam of a branch of change at this moment, and it comprises the combination of each pixel polarization direction of display, and each pixel has predetermined electric field and vows orientation by driving electronic circuit.The rotation amount final decision of the polarization state of each pixel have how much luminous energy by and the omnidistance screen (Fig. 8 is not shown) that is used for showing that finally shines.On this aspect, the blue light beam 160 of change shines catoptron 90 and upwards reflects 90 °, thereby merges with red beam 144 that changes and the green beam 152 that changes.Catoptron 90 allows anyly to be reflected less than the wavelength of 500nm or other predetermined portions of spectrum.Catoptron 90 is blue light beam 160 or any polarization state that shines other light beam on it of change not, and this point is very important.The blue light beam 160 that change this moment continues to incide analyzer 146.Enter into projecting lens 148 for the vector composition of P polarization composition will pass analyzer 146 in each pixel light beam, and be projected to the part of light beam 178 according to the magnification of projecting lens towards screen.The vector composition (S vector composition) of non-P vector composition will absorb by analyzer 146 deflection left and by beam blocking thing 150 in the blue light beam 160 that changes.Beam blocking thing 150 can be made according to the mode of aforementioned beam blocking absorber 161.Thereby blue light beam directly is directly proportional with the rotation amount that blue electric field is vowed in the intensity of sightingpiston.
On this aspect, all colours of demonstration (red, green and blue) has passed system and projecting lens 148 projects on the display screen (not shown among Fig. 8).They produce a pixelation image with color balance of correction in top merging separately.
Projecting lens 148 both can be that a simple lens also can be a lens combination that produces the well focussed image on display screen.A back focus is arranged, the distance of each its distance equals from the back of lens to LCD138,140,142 in this system.All these three LCD make distance and equate.
Thereby the native system that will focus on and align must at first throw a kind of color and not have other color.Projection is finished also and is throwed second kind of color along first kind of color again behind the focused image, and spatial movement second color LCD produces a distinct image or pixel with the top at first color pixel.Whole image with second kind of color aligns with the whole image of first kind of color then, thus size, focus on and collimation on intact coupling.
Next end or stop second kind of color again and throw the third color along first kind of color again, spatial movement the 3rd color LCD produces a distinct image or pixel with the top at first color pixel.Whole image with the third color aligns with the image of first kind of color again, thus size, focus on and collimation on intact coupling.
Open all colors then, image is projected to light beam 178, and do last adjusting at this moment.
Can implement the wavelength that can be used for catoptron 82 and 88 is selected in the property judged ground, make to redesign under the condition of whole optical system, realize the colour balance (seeing Figure 10 A and 10B) of last output by the color balance of regulating different lamps.
When projection image, when projecting lens to the distance of display screen increase to about 10 feet (about 305cm) apart from the time, the brightness of image unexpectedly increases.In the scope of about 10 feet (about 305cm), image also brightens when amplifying simultaneously, before not resembling deepening.Notice when finding this phenomenon that the optical path length between projecting lens 148 and each LCD138,140 and 142 is approximately 13.5 inches (about 34cm).Parts shown in Fig. 8 are arranged to the plane as shown in Figure 8, and (approximately the rectangle of 61cm * 92cm) surrounds by about 24 * 36 inches.
Though this phenomenon do not understand fully, believe that this distinctive effect is that destruction interference by polarisation of light character and projection light wave produces.We think, when image hour, in very little zone, interfere a lot of nodal points, thereby reduced the light that arrives the plane.When image is exaggerated nodal point further separate and the interference that occurs less.When certain size, do not interfere, the brightness of image when distance increases like this (with lumen/square metre or lumen/square feet be unit) along with more amplification reduces.
We think this moment, at this projector but not before projector in this kind phenomenon takes place reason be single polarization state of projected light beam 178.This projector adopts identical polarizer to make whole optical path have identical polarization state, and former projector uses different polarizers to each LCD, and is different thereby the arrangement that electric field is vowed occurs.
Example
The efficient of the system that makes up according to the present invention with utilize absorptive polarizers as follows to the efficient comparative analysis of the existing system of LCD display illumination:
Referring to Fig. 8.
Example 1: existing absorptive polarizers (Kodak or Sharp's projector)
Luminous flux=the L of light emitted
Area=the A of the ring of light
Cir=π r
2
Unthreaded hole area-A of LCD
LCD=length x width=6d * 8d=0.48d
2=0.48 (2r)
2=0.48 (4r
2)=1.92r
2(for a LCD of 3: 4: 5).
Incide the number percent=A of the light on the LCD owing to the LCD unthreaded hole
LCD/ A
Cir=1.92r
2/ π r
2=61.1%
The number percent of the light that absorptive polarizers is passed through=light summation %-uptake %=100%-70%=30%
The light output quantity * that shines the light quantity=lamp on the LCD incides the number percent=L*0.611*0.30 of the light that the number percent * polarizer of the light on the LCD passes through owing to the LCD unthreaded hole
For emission 1000 lumens and the lamp that is used for the LCD of 1 inch long-diagonal, through the light=1000*0.611*0.30=183 lumen of LCD incident.
Certainly, these analyze not other inefficiency problem of resolution system, as the efficient of second plastic polarizer, light assemble efficient, or the efficiency of transmission of LCD in the system.
Example 2: system of the present invention (Fig. 8)
Luminous flux=the L of light emitted
Area=the A of the ring of light
Cir=π r
2
The unthreaded hole area A of LCD
LCD=length x width=6d * 8d=0.48d
2=0.48 (2r)
2=0.48 (4r
2)=1.92r
2(for a LCD of 3: 4: 5)
Incide the number percent=A of the light on the LCD owing to the LCD unthreaded hole
LCD/ A
Cir=1.92r
2/ π r
2=61.1%
Lead to the number percent of the number percent of the light of LCD=the incide light on the LCD/the incide light number percent=A on the LCD unthreaded hole
LCD/ A
Cir=1.92r
2/ π r
2The * 100=59% of the efficient of=61.1% polarizer=(0.611*0.97)
Therefore, for the lamp of emitting light flux 1000 lumens and the LCD of one inch long-diagonal, the luminous flux that incides LCD is 1000*0.59 or 590 lumens.
This gives for existing systems and improves greater than 3.2 times.
Referring to Fig. 8 A, with identical parts Fig. 8 is carried out functional description, but save the label of parts for simplicity.According to function these parts are divided in groups, but also can in group, be replaced, remove or add other parts as required.Fig. 8 A is depicted as and realizes the related step of method of the present invention.
In Fig. 8 and 8A, light source 32, reverberator 41, collimation lens 43, catoptron 33, catoptron 35 and beam blocking device 161 are worked together, and details with reference to as described in the figure 8, produce the light beam 57 that is used for projector as above.
When light beam 57 has passed through deflection device 36, can finish initial decomposition as above with reference to as described in the figure 8, and light beam 57 initially is divided into the light beam 52,54 of two bundle quadratures to light beam 57.Initial decomposition also comprises by making light beam through half-wave ratarder light beam be postponed, and produces the identical light beam 56 of a branch of polarization state and light beam 52.
When two light beams have just formed light beam 30 from forming device 40,42,44 and 46 reflex times respectively, become single beam 30 as shown in Figure 5, details are described referring to top Fig. 3,3A and 3B.Forming device 40,44,46 also can adopt other layout except that Fig. 3 and 3B also to be fine.And form the shape of device 40,44,46 and layout and can make and to produce a rectangle or square light beam, or any other required geometric configuration.
As described in about Fig. 8, the separation of light beam realizes through tripping device 80,84,86 by making this light beam.It is after 80s that the light beam 30 that forms runs into tripping device, is divided into two-beam 132,134 at this.Light beams deflected 132 is upwards walked.Light beam 134 then shines tripping device 84, and is divided into two-beam 154,156 at there.Light beams deflected 154 is upwards walked.Light beam 156 then shines tripping device 86, and light beams deflected 154 is upwards walked here.
By making light beam pass the change that LCD 138,140,142 or other suitable modifier are realized separating light beam, as described in about Fig. 8.Each light beam all passes its LCD separately.Each liquid crystal cell changes the various piece of light beam by the orientation of rotating electric field vector according to the image that will show.Like this, be a branch of each pixel polarization combination of display, light beam that changes of comprising by light beam LCD, that change, each pixel is vowed by the electric field that driving circuit has predetermined orientation.How much light the rotation amount of each pixel polarization state has passed the entire path in the deflection device 146 this pixel of final decision and finally arrives the screen (Fig. 8 A is not shown) that is used for showing.
The adjusting of light beam 132,156 is finished by making light beam pass regulating device or catoptron 82,88 and beam blocking device 136,158.Any " useless " wavelength will pass catoptron or regulating device 82,88 and incide beam blocking device 136,158, and useful wavelength is then with 90 each LCD of degree deflection.Beam blocking device 136,158 can be made according to the mode of aforementioned beam blocking absorber 161, as above description about Fig. 8.
Light beam 144,152 and 160 merga pass make light beam finish through merging device or catoptron 90,92.If desired, these merge devices and also can see through by its wave beam/reflection characteristic is used for regulating.The light beam 134 that changes passes and merges device or catoptron 92, and the light beam 144 of Gai Bianing merges device 92 and is used for two-beam 144,152 is merged into single beam from merging device 92 polarizations simultaneously.Preferably merge device 92 and do not change any incide on it or from the polarization state of its light beam that passes.This combined light beam passes reflection unit 90.Preferably merge device 90 and do not change any incide on it or from the polarization state of its light beam that passes.The light beam 160 that merges the light beam 144,152 of device or 90 changes that merge of catoptron and change is merged into the light beam of the change of single bundle merging, as above description about Fig. 8.
After light beam is merged into single beam, with its guiding decomposer, resolve into two-beam through polarization beam apparatus 146 at there, the required light beam that separates leads to projection arrangement 148, as the detailed description with reference to figure 8.
Though abovely be described in detail and concrete displaying, one skilled in the art will appreciate that in the change that can make under the prerequisite that does not break away from essence of the present invention and scope on various forms and the details with reference to preferred embodiment.
Referring to Fig. 8 B, it is another embodiment of another colored LCLV projector as shown in Figure 8.Fig. 8 B belongs to Seiko Epson Corp, the invention people a kind of improvement for people's such as Yajim U.S. Pat 4,909,601, and it uses a kind of brand-new single polarization method and system.Another embodiment among Fig. 8 B uses the different light path arrangement of the present invention.As described in conjunction with Fig. 8, form a branch of polarized white light 30 that is used for optical system.Here, white light is to catoptron 80 and be divided into two bundles, a branch of ruddiness 132 and a branch of blue green light 134.Light beam 132 moves ahead, and incides catoptron 82 and deflection left (as described in Fig. 8 B) and passes LCD138.At this moment, the orientation of electric field intensity is rotated in response to the control signal input media (seeing Figure 19) that forms light beam 144.Light beam 144 is from particularly two color table faces, 94 deflections of two look bundling devices 93 then, and upwards reflection (shown in Fig. 8 B) through analyzer 146.Here, red beam 144 separates with S vector composition according to P, and the P vector is by analyzer 146, and the deflection left of S vector composition shines beam blocking device 150.See light beam 134 again, blue green light 134 shines dichroic mirror 84 and is divided into green light 154 and blue light 156.Green light 154 upward deflects (shown in Fig. 8 B) and passes green LCD140, and here, it changes the orientation of electric field intensity in response to signal input apparatus (seeing Figure 14).The green light 152 that changes enters two look bundling devices 93 and passes surface 94 and 96.This light beam continues to penetrate analyzer 146.P vector composition penetrates into projecting lens 148, S vector composition turn left to and shine beam blocking device 150.Blue light beam 156 again, and this light beam upward deflects (shown in Fig. 8 B) from catoptron 86, and here, it shines dichroic mirror 88 and deflection to the right feeds LCD142.Here, it changes the orientation of electric field intensity and forms blue light beam 160 in response to control signal input media (seeing Figure 19).Blue light beam 160 enters two look bundling devices 93 and upward deflects (shown in Fig. 8 B) by surface 96 and enters analyzer 146 then.Here blue light beam 160 separates with S vector composition according to P, and the P vector composition of light beam 160 passes analyzer 146 and arrives projecting lens 148, and the S vector composition deflection left (shown in Fig. 8 B) of light beam 160 shines beam blocking device 150.
Come 8C with the aid of pictures again, there is shown another embodiment of colored LCLV projector shown in Figure 8.Figure SC is the invention people that the belongs to North American Philips Corp. a kind of improvement for people's such as McKechnie U.S. Pat 4,864,390, uses a kind of single polarization method and system of new novelty.Another embodiment shown in Fig. 8 C except light path from each LCD to light source accurately identical and from each LCD to bundling device with output lens light path identical, identical with the function of Fig. 8.The operation of this system is identical with system shown in Figure 8 with function.Should also be understood that Fig. 8 C can have the LCD light path arrangement of duplicating and as second mod subsystem, be input to the light beam of deflection bundling device 146 with generation, form one with Figure 20,20A, 3D projector that the disclosed 3D projector of 20B is identical.
Now, the figure shows another embodiment of colored LCLV projector shown in Figure 8 referring to Fig. 8 D.Fig. 8 D is to the invention people that the belongs to Seiko Epson Corp U.S. Pat 4 for people such as Kamakura, 850,685 and the invention people that belongs to Matsushita Electric Industrial Co. be people's such as Kiyatake U.S. Pat 4,943, a kind of improvement of 154, it uses a kind of new single polarization method and system.Another embodiment among Fig. 8 D is accurately consistent with the operation of Fig. 8 and function, except replacing two look beam splitters separately and bundling device 80,82 and 84 with merged beam splitter and bundling device 93.According to embodiment disclosed herein, will be understood that and to duplicate beam splitting and close beam system that it incides in the analyzer 146, produces a 3D projector that feature operation is identical with the system shown in Figure 20～20B to produce another light beam.
Referring to Fig. 8 D, can know further that white source beam 30 shines the one or two color look beam splitter 93 and is broken down into red beam 132, green beam 154 and blue light beam 156.Green beam 154 leads to green LCD140, and changes the orientation of its various piece electric field intensity in response to the input of control device, forms the green beam 152 that changes.Green beam 152 electric field intensitys of this change orientation is unchangeably by bundling device 93 then, and be separated at analyzer 146 places according to P composition and S composition, P vector composition passes projecting lens 148, and the S composition upwards reflexes to beam blocking device 150, and is absorbed at there.Red beam 132 again, and this light beam to catoptron 82, and deflects down (shown in Fig. 8 D) to LCD138 from catoptron 82 from catoptron 83 deflection left (shown in Fig. 8 D).Pass after the LCD138, the electric field intensity orientation change of light beam 132 various pieces also forms the red beam 144 that changes.The red beam 144 that changes (shown in Fig. 8 D) left deflects into analyzer 146 from surface 94.Here the red beam of Gai Bianing separates with the S composition according to P, and the P composition leads to projecting lens 148, and the S composition deflects upward into beam blocking device 150.From surperficial 82 light beams deflected 132, can also filter here again, make required wavelength lead to left side (shown in Fig. 8 D) thus absorbed by beam blocking device 136.The blue light beam 156 that comes out from the one or two look beam splitter 93 again, this light beam deflect down from surface 96 and the 86 deflection left sides (shown in Fig. 8 D) from the surface.Blue light beam 156 upward deflects through blue LCD142 from catoptron 88 then.LCD142 changes the various piece of blue light beam 142 in response to control signal input media (seeing Figure 19) by the orientation that changes electric field intensity then, and forms the blue light beam 160 that changes.Then, blue light beam 160 reflects left from surface 96 and by analyzer 146.Here, blue light beam 160 is divided into P and S composition, and the P composition leads to lens 148, and the S composition upward deflects (shown in Fig. 8 D), and is absorbed by beam blocking device 150.
Turn back to blue light beam 156 again, when this light beam irradiates when the catoptron 88, can be to leading to left side (shown in Fig. 8 D) thus the useless wavelength of the blue light beam 156 that is absorbed by beam blocking device 158 filters, required wavelength then upward deflects.
Another embodiment of colored LCLV projector is shown in Fig. 8 E～8G.Another embodiment among Fig. 8 E utilizes arbitrary source 170,172 and 174 to form a branch of light beam that is used for changing by LCD138,140 and 142 the electric field intensity orientation.Fig. 8 E can have different forms and function with these light sources 170,172 among the 8F with 174.These light sources comprise a linear array matrix of the diode with rectangular shape formation, solid state laser two-way array, LED light emitting diode etc., and in Fig. 8 G, light source 170a, 172a and 174a can be the laser beam of single bundle output, and output light is transformed into one by LCD138,140 and 142 used rectangles.Light source forms light beam 194,196 and 198 respectively.In Fig. 8 E, each light beam all has through LCD138,140 and 142 various pieces that change, this LCD138,140 and 142 is used to change the electric field intensity orientation of various piece, the light beam 144,152 and 160 that changes is merged in two look combiner arrangement 93, forms the single bundle co-linear beams with a plurality of parts.This co-linear beams is led to analyzer 146 then, at there various piece is divided into P and S composition, and the S composition is deflected into beam blocking device 150 left, and the P composition leads to projecting lens 148, is shown on the screen (not shown among Fig. 8 E) at there.
Another embodiment of colored LCLV projector is shown in Fig. 8 F.Here, two look bundling devices 93 replace with two independent dichroic mirrors 90,92, and it is used for the independent light beam of three beams is merged into single collinear beam.
In another embodiment shown in Fig. 8 G, light source 170a, 172a, 174a are single bundle output laser, as the output laser in the gas laser.This output is transformed into rectangle output.The function of Fig. 8 G remainder is accurately consistent with Fig. 8 E with operation.
Here give an example and the explanation of indefiniteness ground the advantage that the system and method that constitutes according to the present invention possesses following result and is better than the illuminator of the existing LCLV of being used for projector.
The rectangle list bundle polarized light that produces will be full of the aperture of LCD display effectively, thereby make the light output maximization of LCD projector.
Than with other act of union, as US4, the diversity of disclosed method is little in 913,529 at the diversity of the gained light beam of LCD display.
System of the present invention can make the brighter light source of projector utilization carry out projection, thereby can make the people who watches projection see the projection source of higher ambient light level.
Utilize system of the present invention, projection will be brighter lighter.
Utilize system of the present invention, because source efficiency is higher, the projector less energy intensive.
Utilize system of the present invention, the image that projects on the large screen television is easier to watch.
Be used to make the method for high resolving power or 3D colour projection image
Referring to Figure 19, there is shown the method flow diagram that is used to produce high resolving power or 3D colour projection image.Being used for method and system of the present invention can be summarized as follows: the white light source that produces a collimation; From source beam, separate and absorb infrared and the ultraviolet light composition; Source beam is played partially and is separated into the light beam of two bundle quadratures; The polarization direction that changes one of pairwise orthogonal light beam to be producing the identical light beam of orientation of two bundle electric field intensitys, and the light beam that each is independent lead the respectively left side or the right side of projector; The elementary column of colour (red, green, blue) that the right side light beam of the left side light beam of polarization and polarization is divided into polarization; Further the elementary column of colour to polarization filters, thereby color balance is provided; Utilize independent LCD to change the electric field intensity orientation of elementary polarization column of colour, wherein each LCD is in response to independent signal input apparatus; (for the 3D rating, the signal input apparatus that is used for the left side is corresponding to the left eye image, and the signal input apparatus that is used for the right side is corresponding to the right eye image; (3D or high resolving power) in both cases, independent right side and left side input media are by 66 controls of suitable electronic circuit control device.Should be appreciated that control circuit 66 can be divided into left eye and right eye vision signal to the vision signal of HDTV.Consequently can utilize broadcast standard that 3D is used for HDTV.); Merge the elementary polarization column of colour that changes; The elementary column of colour of left and right sides that changes is merged into the change light beam of Dan Shu; P and S vector composition according to the light beam that changes decompose the light beam that merges; The change light beam projecting of Dan Shu to film viewing screen; (for the 3D rating, spectators can wear specific glasses, and the eyeglass on these glasses is used to watch the left eye or the right eye image of different polarization direction).
Now, there is shown projector architecture according to embodiment of the invention structure referring to Figure 20.For convenience's sake, Figure 20 marks with the locality of representing light path, actual layout and this sample of not sum.As long as all compositions are in alignment with each other, also can adopt Figure 20 other layout in addition in suitable light path.
Referring to the part of front, produce a branch of source beam 57 and incide polarizer cube 36.Polarizer cube 36 separates source beam 57 and rise and is biased into two orthogonal polarized light beams 52 and 54, and pairwise orthogonal light beam 52 and 54 has area identical and different polarization states.P light beam 52L incides the left side of projector through 36 rectilinear propagations of polarizer cube.Other polarization composition of source beam 57, the S polarization part and the light beam 54 of source beam 57 pass half-wave ratarder 38, are converted or change over P light beam 52R at there.Light beam 52R leads to the right side of projector then.Like this, the left side of projector and right side utilize the light beam 52L and the 52R work of same state of polarization.Perhaps, the projector of formation also can utilize the light beam work of different polarization direction, i.e. S polarized light.
Half-wave ratarder 38 can be the optical element of known delay device one class, is used to change the polarization direction of incident wave.Utilize a delayer can make the one-component of P polarized light on phase place, lag behind the predetermined amount of another component.Light is from delayer 38 outgoing, and the relative phase of two compositions is different from its initial state thereby polarization state is also different.Known half-wave ratarder is a kind of retardation plate that produces 90 degree relative phase differences.Perhaps, catoptron can be used to produce the light beam of suitable delay.
More than the requirement of half-wave ratarder 38 and specification done prevailingly discussed.In addition, also can adopt other any device suitable, that be used to decompose source beam 57 and be used to produce orthogonal polarized light beam (52,54) to replace polarizer cube 36.
To the left and right sides of the projector by enclosed with dashed lines among Figure 20 be described below.The left and right sides of projector comprises the similar elements that is distributed on the same optical path.But parts have an additional L or R sign so that be distinguished from each other.Briefly, left and right sides comprises: the device (catoptron 80 and 84) that is used for white light beam (52R or 52L) is divided into independent elementary column of colour red, green, blue; The device of LCD138,140,142 forms, its unlike signal input media in response to different electronic circuit control device 66 controls changes the electric field intensity orientation (Figure 19) of different elementary polarization column of colour various pieces; Device (catoptron 92,90) with the different elementary polarization column of colour that is used to merge change.
Two independent light beam 62L that formed by the left and right sides projector respectively merge and separate by a polarization analyzer 146 (merging and tripping device) with 62R, and are projected instrument lens 148 and project into a light beam 178 on the rating screen (not shown among Figure 20).
Suitable electronic circuit control device 66 (Figure 19) can be used for controlling and coordinating to be input to the signal of the LCD (130,140,142) on independent left side and right side.For the 3D rating, the electronic circuit control device can be configured to provide one and the corresponding sensed image of left eye image to the left side, for the right side provides a sensed image corresponding to the right eye image.In addition, left eye image and right eye image can superpose or superpose in chronological order each other.For example, as shown in figure 20, the right side can move up and down by machinery or electronic installation (not shown).In order to obtain high-precision projection image, control device 66 can be configured to provide a sensed image to the left side, and it departs from (being the horizontal or vertical pixel that departs from) in the sensed image that offers the right side.
For convenience's sake, the projector left side is represented by identical label with the same assembly on right side.Left side light beam 52L enters left projector, and right side light beam 52R enters the projector right side.The operation in left side as above to as shown in the description and Figure 20 of color projecting apparatus part.The operation on right side is identical with the difference of each light beam diverse location orientation.
Herein, the light beam 62L that is formed by the left side is transmitted to the bottom (just locality) of analyzer 146 and separates with the S component according to the P of electric field intensity.The light beam 62R that is formed by right projector leads to the right side (just locality) of analyzer 146 and separates with the S component according to the P of electric field intensity.The column of colour (red, green and blue) that shows projects on the screen by system and projecting lens 148; They merge each other or superpose, and have the pixelation image that colour balance is proofreaied and correct thereby produce.It is in full accord that the mode of action of same components is played on the right side of projector.But before entering analyzer 146, the polarization state of right side light beam 62R must change by half-wave ratarder 39, and right side light beam 62R deflection an angle of 90 degrees and left side light beam 62L merge like this.
More than discuss to projecting lens 148 related contents and near the structure of screen.
Shown in Figure 21 is the 3D application of the projector of formation according to the present invention.As shown in figure 21, left camera 72 of scenery 70 usefulness and a right camera 74 are taken pictures.Left camera 72 provides an input signal 76 for the left side of projector 81, and right camera 74 provides an input signal 78 then for the right side of projector 81.Electronic circuit control device 66 (Figure 19) can be input to these signals that separate the projector 81 from left side input 76 and right side input 78 according to aforesaid description operation.The left side image can be on first direction polarization, the right side image is polarization on different directions.Watch visor 220 by use, the image that projects on sightingpiston or the screen 87 is shown as 3D to the observer.Perhaps, control device 66 is constituted with time sequencing demonstration left side and right side image., no matter whether using visor 220, this all will produce 3D effect.
Another embodiment shown in Figure 20 A compares with the preferred embodiment among Figure 20, and other is all identical between projecting lens 148 and the analyzer 146 except that quarter-wave delayer 188.Another embodiment of projector shown in Figure 20 A can be used to provide a circular polarization projection image.This can be used to provide for example circularly polarized left side and right side image, and watches the 3D projection with circularly polarized glass lens.
Figure 20 B is depicted as another embodiment.Another embodiment of Figure 20 B is almost identical with another embodiment shown in Figure 20 A, that add quarter-wave delayer 188.But the embodiment of Figure 20 B also comprises one second analyzer 190 (settling a half-wave ratarder 39 and quarter-wave delayer 188 on it) and the inhibition beam blocking device 192 on light path between right side catoptron 90R and the analyzer 146.Second analyzer 190 is used for column of colour 62R and the 62L that further desorb, separation and merging change.
In Figure 20 C (another embodiment of colored LCLV 3D projector), two ingredients are arranged wherein.Each ingredient produces the co-linear beams shown in Fig. 8 F.They are merged together in analyzer 146, as described in referring to Fig. 8 F.These merging forms can be the merging of a light beam and another different polarization state light beam, thereby also can be that a light beams moves between most of light beam with respect to another light beam and departs from mutually, perhaps stack each other.In addition, as previously mentioned, regularly light beam can produce temporary transient each other synchronous light beam or produce the light beam that can switch between different of the required information that is shown.
Figure 20 D but except quarter-wave delayer 188 being inserted between lens 148 and the analyzer 188 is identical with Figure 20 C.This variable delay device is used to change the major part from the separating light beam of analyzer 146 outputs, makes the part of each change have different electric field intensity orientations.The part of each change may be displayed on the different planes like this, as is included in the screen or in the cube 175 shown in Figure 23.
Produce the method for the soot-and-whitewash of high resolving power or 3D projection
Referring to Figure 22, disclosed the black and white projector of another kind of high resolving power or 3D among the figure.The black and white projector of Figure 22 comprises: a light supply apparatus 32 that is used to produce the collimated source light beam 50 that comprises white light; With catoptron 33 and 35 and beam blocking absorber 161 forms separating and absorption plant of existing, it is used for removing and absorbing infrared and ultraviolet light from source beam 50; With the polarising means that polarizer cube 36 forms exist, it is used for source beam is divided into two bundle orthogonal beams, P polarisation beam 52 and S light beam 54, S light beam polarization 90 degree; The polarization state modifier that half-wave ratarder 38 forms exist, it is used for the change of polarized direction of S light beam 54 is the 2nd P light beam 56; Adopt first device of a LCD116 form, its image in response to input changes the orientation of the electric field intensity of a P light beam 52, produces first light beam 120 of a branch of change; Adopt second device of the 2nd LCD18 form, its image in response to input passes through the orientation of the electric field intensity of change the 2nd P light beam 56, produces second light beam of a branch of change; Adopt the merging device of second polarizer cube 146 forms, it is used to merge the one 120 and the 2 122 light beam of change; Adopt the electric field intensity second orientation change device of second half-wave ratarder, 126 forms, in the light path of this second half-wave ratarder between second LCD118 and second polarizer cubes 146, it is used to change second polarization direction that changes light beam 122; Adopt the projecting lens apparatus of projecting lens 148 forms, it is used for the light beam 128 from 146 outgoing of the second polarizer cube is projected into display screen (Figure 22 is not shown) as light beam 178; And control device (not shown among Figure 22, can referring to the device among Figure 19 66), it is used for providing and control input signals to LCD116,118.
Black and white projector shown in Figure 22 adopts the mode of the color projecting apparatus among Figure 20 to work, and does not just have foregoing color separated and merging.In addition, LCD116,118 illumination and aforesaid method are similar.
As can be seen, a LCD116 and the 2nd LCD118 can be controlled by control device from aforementioned description, and adopt input imagery to produce effect or the aforementioned high-resolution image of 3D.That is, can be with different polarization states or time sequencing or different polarization state and the two appearance of time sequencing or codings corresponding to the image of left eye and right eye.
Referring to Figure 22 A, there is shown another embodiment of black and white projector.The situation of another embodiment shown in Figure 22 A and Figure 22 is just the same, but has added a quarter-wave delayer 188, thereby, provide a projection image with circularly polarized light beam 129 forms.As previously mentioned, this embodiment can use with the circular polarization visor of watching the 3D image.
Thereby projector of the present invention and method also can be used to provide a kind of high-resolution 3D soot-and-whitewash.
Produce the method for 3D film viewing screen
Figure 23 is that aspect or projection screen or 3D show cubical formation sketch.Referring to Figure 23, a kind of brand-new display is disclosed among the figure.The light beam work that display produces according to the 3D projector in this document for example.Can be by change the orientation of electric field intensity such as variable delay device 188 such devices, wherein delayer 188 is placed between polarization beam apparatus 146 and the output lens 148, shown in Figure 20 A, 20B and 20D.This device comes work according to driving electronic circuit by the orientation of rotating electric field vector.Then this output beam is fed in the device of Figure 23.The device of Figure 23 comprises a plurality of layer, and each layer all has a coating that is different from succeeding layer, makes all specific orientation (or scope) of reflected field vector of each layer thus.For example, the electric field intensity of rotation between layer 200 reflection 0 degree～5 degree.Layer 202 reflection are oriented to 5 and spend to the electric field intensity of 10 degree.Layer 204 reflection rotation 10 are spent to the electric field intensity of 15 degree.This situation will continue in a plurality of layers in being contained in device shown in Figure 23.Thereby when a branch of light incided in the device of Figure 23, first image plane was on layer 200, and second image plane is on layer 202, and next image plane is first-class at layer 204.Reflect n the final image on the plane 216 then.Image shows by a plurality of layers.
More than Zhuan Zhi another form is that absorption with the last plane 216 of transmission residue light replaces the reflection on the plane.
As another form of reflectivity step, use a kind of such device, this installs each plane layer all has gradual change with respect to the electric field intensity tool of rotation reflectivity.
Make the method for panel fluorescent plate
Figure 24 and 24A represent the E with Fig. 8,8F, the embodiment of panel fluorescent that 20C, 20D are used in combination or neon lighting plate.Gas 180 is by transparent panel 182 and side sheet metal 176 and 186 encirclements of end cover.Between electrode 201, apply the electric potential difference that can be used for suitable gas, impel the atom in the gas to enter excited state.By a kind of fluorescent material on the surface-coated of transparent panel 82, can be luminous.In addition, can apply a reflecting surface 184 with further from the light that surface reflection is all.In addition, the upper surface 182 that light beam therefrom penetrates can be made or form as shown in figure 27, makes that the light that sends is collimated.In addition, by selecting different coating on different gas, the transparent panel 182 and different exciting voltage and electric currents, the light of emission can have different spectrum (color and intensity).
Make the method for a laser diodes matrix array
Figure 25 represents the independent LED on the substrate 166 or the linear matrix array of laser diode 164, can be used for producing being used in Fig. 8 E, the collimated light source of 8F20C and 20D.Light sends from laser diode 164 (or LED) Dan Shu with the form of collimated light beam.This system is made by a plurality of laser diodes 164 that are arranged to matrix form, and aligns with liquid crystal cell among the LCD.
Produce the method for collimated light beam
Figure 28 is a preferred embodiment of light integrators/light source/reflector arrangement, and it provides a kind of can produce the basic evenly method of the collimated light beam of rate of flow.Though the operation of primary element is known, combination of elements is new.The working method of device is as follows:
(1) sends spherical light by light source 32;
(2) the part light that sends of light source or propagate forward, or propagate (as shown in figure 28) backward, and the situation of one of following four kinds of modes is arranged afterwards:
(a) shine on first lens 45 of a plurality of light pipe first ends, wherein light pipe is included in the light integrators device 63, shown in the light path among Figure 28 69; Or
(b) shine on the second spill reflection unit 65, be reflected and the back first spill reflection unit 41 at there light, be reflected and direct light integrator arrangement 63 at the first spill reflection unit place, thereby shine on first lens 45 of the first end of a plurality of light pipes, wherein light pipe is included among Figure 28 in the light integrators device 63 shown in the light path 77; Or
(c) shine on the first spill reflection unit 41 to light integrators 63 reflections, to first lens 45 of a plurality of light pipe first ends, wherein light pipe is included among Figure 28 in the light integrators device 63 shown in the light path 67 in the there light beam irradiates; Or
(d) shine the first spill reflection unit 41, the second spill reflection unit 65 is reflected and leads there, the light first spill reflection unit 41 that is reflected again and leads afterwards, then reflect again and direct light integrator 63, thereby shine on first lens 45 of a plurality of light pipe first ends, wherein light pipe is included among Figure 28 in the light integrators device 63 shown in the light path 68;
(3) shine light on a plurality of light pipe first lens 45 according to the angular bend between path and the lens and the main body 75 of passing light pipe, and from light pipe through 71 outgoing of second lens, wherein second lens are formed on the second end of light pipe 75; With
(4) Ci Shi light has basic rate of flow and collimation uniformly, and then it passes lens 43 and is further collimated.
Light integrators is made by a plurality of parallel light tubes, and as shown in Figure 27 A, each light pipe contacts with a light pipe and be adjacent with a plurality of light pipes.Each light pipe is made up of first lens surface 45, the main body 75 that are formed on its first end and second lens surface 71 that is formed on its second end.First lens surface 45 is used for more rays is bent towards normal direction.Main body 75 is carried light to second lens surface 71 and main body 75 also has the refractive index identical with second lens surface 71 with first lens surface 45.This has reduced the interface number that light must pass.Light continues to move ahead and shines second lens surface 71 of wearing into reservation shape and then bent towards normal direction more, makes thus to collimate basically from the light beam of surperficial 71 outgoing.Lens surface 45 both can be identical with 71 shape or form, also can be different, this will be according to Several Factors, these factors comprise but non-including only: the size of light source, the shape of light source, the type of light source, light source is to the distance of first lens surface 45, the length of main body 75 and size, integrator second lens surface 71 is to the distance of target and the other factors in the industry etc.
As shown in figure 28, the second spill reflection unit 65 has an opening, and light integrators device 63 is settled wherein.Light integrators device 63 has occupied the opening of the described second spill reflection unit 65 basically.Light integrators device 63 has an optical axis with the optical axis coincidence of the second spill reflection unit 65.The cross section of light integrators device 63 both can be a rectangle, circle, and ellipse, octagon also can be any required shape.The shape of light integrators device depends on the required shape of last formation light beam from the integrator outgoing.
The first spill reflecting surface device 41 has an optical axis.Light device 32 is settled along optical axis.The first and second spill reflection units 41 and 65 optical axis coincidence.
System of the present invention preferably includes lens 43, and it can receive the light from light integrators device 63 second ends on the position.Lens 43 also can be used for the light beam from light integrators device 63 is further collimated.
The first and second spill reflection units 41 and 65 are paraboloidal or ellipse preferably.
The optics light pipe forms the fly's eye layout each other side by side, shown in Figure 27,27B and 27c.The optics light pipe can be that circle, rectangle, octahedral shape or any other Figure 27 B and 27C use required geometric configuration easily.
Thereby the invention provides a kind of color liquid crystal light valve LCD projector, it can produce high brightness, high-contrast and high-resolution image.In addition, it also can remove harmful infrared and ultraviolet light from the image of projection.And according to content of the present invention, the assembly of system can be revised or just can produce the image that color strengthens through regulating simply.
So far, projector of the present invention preferred embodiment on the whole is a projector that is used to produce the modulated beam of light that is suitable for the project video image, it comprises: be used to provide the device of first incipient beam of light, this first incipient beam of light has the orientation of the selected composition of electric field intensity of random variation; Centralised arrangement is used for concentrating first incipient beam of light to have basic evenly second incipient beam of light of rate of flow on its cross section to form; Collimator apparatus is used for the initial collimated light beam that second incipient beam of light is collimated into the selected composition orientation of the electric field intensity with random variation and has even rate of flow on the cross section of whole light beam; Removal device, it is used for removing a part of ultraviolet and infrared part at least from initial collimated light beam, thus an initial collimation beam of white light that produces and a part guide beam dog catch of removing absorb thus and remove part; Decomposer, it is used for decompositing first white light that decomposes of the initial collimation with selected composition first predetermined orientation of electric field intensity and having second white light that decomposes that electric field intensity is selected the initial collimation of composition second predetermined orientation from the beam of white light of initial collimation, and first and second predetermined orientations of the selected composition of electric field intensity are differed from one another; Form device, its be used for by first of initial collimation decompose second of white light and initial collimation decompose white light form a branch of basic collimation, the selected composition of electric field intensity has the initial white light of rectangle identical predetermined orientation and have basic even rate of flow on the cross section of single Shu Baiguang of whole initial collimation; Tripping device, it is used for the rectangle initial white photolysis of single bundle collimation is become two bundle or the independent collimation rectangle column of colours of multi beam, make each independent collimation rectangle column of colour and other independent collimation rectangle column of colour have the selected composition predetermined orientation of identical electric field intensity thus, and the color that each independent collimation rectangle column of colour has is different from other independent collimation rectangle column of colour; Regulating device, it is used for regulating color by the rectangle column of colour of removing a branch of at least collimation predetermined a chrominance section and a part guide beam dog catch of removing, and absorbs the part of removing thus; Modifier, its from by make each intrafascicular most of energy beam of collimation rectangle technicolo magnetic energy that separates by a plurality of modifiers corresponding one change the predetermined orientation that most of light beam electric field in each collimation rectangle column of colour that separates is vowed selected composition, pass when being used for changing electromagnetic wave field and vowing the corresponding with it device of the multiple arrangement of selected composition predetermined orientation when the intrafascicular most of energy beam of each electromagnetic energy that separates that collimates substantially thus, most of light beam electromagnetic wave field vows that the predetermined orientation of selected composition changes in response to a flip flop equipment in each column of colour that separates, and this flip flop equipment is used telltale to flip flop equipment in a predefined manner; Merge device, its most of light beam electric field in not changing each collimation rectangle column of colour that separates is basically vowed under the condition of the predetermined orientation of selecting composition, the collimation rectangle column of colour that separates that changes is merged into the rectangle column of colour of single bundle collimation; Decomposer, be used for decompositing the rectangle decomposition column of colour of first collimation with selected composition first predetermined orientation of electric field arrow and the rectangle decomposition column of colour of second collimation with selected composition second predetermined orientation of electromagnetic wave field arrow from single rectangle conllinear column of colour that collimates of restrainting, first and second predetermined orientations that make the electric field arrow select composition thus differ from one another; The first collimation rectangle is colored to decompose light beam or colored of decomposing in the light beam of the second collimation rectangle passes through projection arrangement with making.
According to the discussion of front and the content of claim and instructions, following advantage of the present invention will become more clear:
Be easy to reach high brightness: brightness a characteristic limitations by LCD, and be not subjected to any influence of getting back to the reflected light path of light source, brightness can be revised at an easy rate by changing light source;
Raise the efficiency and mean that heat production is low: use efficient light path, and because heating significantly only just appears in the LCD absorption in optical devices;
Remodeling is simple: optical devices can be the LCD and the various LCD of various intensity;
Unique light path that rectangular light beam is provided: seldom (ghost image), there is not light to turn back to light source, better Polarization Control is arranged, the contrast height, more pocket projector is easier to make, and gets rid of or has eliminated optical diffraction, does not have the decay of polarizer;
Persistence; In the long polarizer life-span, assembly is exposed under seldom the heat;
Resolution/the brightness that increases: do not have resolution limit, along with the raising resolution of brightness also improves;
Material: use transmission-type (non-reflection-type) LCD, polarizer is absorbing light not, has reduced the quantity of imaging object, reduces the quantity of crucial imaging object;
The aligning of pixel: providing does not have the conllinear of differential seat angle output beam between the pixel;
Be easy to regulate the sharpness and the aligning of color;
Can obtain 3-D effect with the same type assembly of low fringe cost;
By the description of front, other purpose of the present invention, advantage and function will become more clear.
Though specifically show with reference to preferred embodiment and described the present invention, it should be appreciated by those skilled in the art, can make on the various forms under the prerequisite that does not break away from essence of the present invention and scope and details on change.
The label that uses
Purposes is described
The polarisation beam of the merging that 30 light sources send
31 spot lights
32 light sources
33 ir reflectors
34 LCD displays
35 ultraviolet reflectance mirrors
36 polarization beam apparatus
The ultraviolet portion of 37 source beams 55
38 half-wave ratarders
39 half-wave ratarders
40 broadband mirrors
41 light source reflection units
42 broadband mirrors
43 collimation lenses or device
44 broadband mirrors
45 first lens surfaces
46 broadband mirrors
47 polarized component bundles
48 colored filters
The polarisation beam of 49 components
50 unpolarized collimated light beams
5 polarisation beam incide on the LCD
52 P polarisation beam
53 reflecting bundles
54 S polarisation beam
The gained energy beam of 55 no infrared part
The 2nd P polarisation beam of 56 reflections
The source beam of 57 no ultraviolet portion
58 reflecting bundles that separate
59 polarisation beam that change
60 reflecting bundles that separate
62 left side beam outputs
63 integrators
64 right side beam outputs
65 light source reflection units
66 control device
67 light
68 light
69 light
70 scenery
71 second lens surfaces
72 left camera
The light that 73 light sources send
74 right camera
75 integrator main bodys
Projecting apparatus is incided in 76 left sides
77 light
Projecting apparatus is incided on 78 right sides
80 RGBs divide beam steering mirror
81 projecting apparatus
82 red mirrors/filtering apparatus
84 turquoise beam splitters
86 blue reflecting mirrors
87 film viewing screens
88 blu-ray reflection mirror/optical filters
89 quarter-wave delayers
Catoptron/the bundling device of 90 pairs of red/green-blue light
Catoptron/the bundling device of 92 pairs of red and green glows
93 look bundling device or beam splitters
94 coatings (to redness orientation) on the X dichroic mirror
96 coatings (to blueness orientation) on the X dichroic mirror
100 LCD box or pixels
101 liquid crystal materials
103 transparent panels
104 transparent panels
The spacer of 105 LCD boxes
The spacer of 106 LCD boxes
107 seal elements
108 seal elements
109 conductive coatings
110 conductive coatings
116 the one LCD
118 the 2nd LCD
120 first beams that change
122 second beams that change
126 second half-wave ratarders
128 S and the P light beams that merge
129 the S and the P light beams of merging in elliptical beam
132 red beams
134 green/blue beam
136 red beam restraining masss
138 red LCD
140 green LCD
The infrared part of 141 visible light beams
142 blue LCD
144 red beams that change
146 analyzers
148 projecting lens
150 projected light beam dog catchs
152 green beams that change
154 green beams
156 blue light beams
158 blue light beam dog catchs
160 blue light beams that change
161 beam blocking absorbers
164 laser diodes or LED
166 substrates
170 ruddiness single light sources
171 parallel beam expand devices
172 green glow single light sources
174 blue single light sources
175 3D polarization finders
176 metal end-piece
178 projected light beams through lens
180 gases
182 are used for the cleaning glass plate of fluorescence
183 pipes
184 silver medal reverberators
186 end shields
188 quarter-wave delayers
189 variable delay devices
190 second analyzers
192 decline the beam blocking device
194 have the collimation ruddiness of 1 polarization
196 have the collimation green glow of 1 polarization
198 have the collimation blue light of 1 polarization
The first surface of 200 polarization by reflection bundles
201 electrodes
The second surface of 202 polarization by reflection bundles
The 3rd surface of 204 polarization by reflection bundles
The 4th surface of 206 polarization by reflection bundles
The 5th surface of 208 polarization by reflection bundles
The 6th surface of 210 polarization by reflection bundles
The 7th surface of 212 polarization by reflection bundles
The 8th surface of 214 polarization by reflection bundles
The n surface of 216 polarization by reflection bundles
220 rating glasses
224 observer
Claims (51)
1. one kind in response to the modulation signal with the first intensity composition and second intensity composition, and the system of modulation input electromagnetic energy intensity of beam, wherein said incoming beams comprises first wavelength components and the second different wavelength components, and each among wherein said first and second wavelength components comprises unspecific E vector polarization state, and described system comprises:
A. beam separating device, be used for incoming beams resolved into as the function of E vector polarization state and not as the first and second beam parts of the function of wavelength, wherein said first beam partly comprises the E vector polarization state of first basic fixed, and described second beam partly comprises the E vector polarization state of second basic fixed;
B. beam partial polarization device is used for the E vector of described second beam part is rotated to substantially with second beam E vector and the described first beam part E vector parallel alignment partly;
C. the first and second beam part beams reconfigure device, are used for described first and second beams partly are reassembled into a beam basic collimation, the polarization state unanimity, and it has definite cross section and E vector polarization state single, basic fixed;
D. filter apparatus is used for beam with the polarization state unanimity and resolves into the first wavelength beam composition and the second wavelength beam composition as function of wavelength;
E. the first variable polarising means, be used at individual element the basis, as the function of each discrete pixel elements position in described beam zone and as the function of the described modulation signal first intensity composition, and rotate the E vector polarization state of the described first wavelength beam composition, to produce the light beam of first pixel rotation, wherein each discrete pixel elements comprises an E vector polarization state independent control, variable-angle of described modulation signal first intensity composition definition;
F. the second variable polarising means, be used at individual element the basis, as the function of each discrete pixel elements position in described beam zone and as the function of the described modulation signal second intensity composition, and rotate the E vector polarization state of the described second wavelength beam composition, to produce the light beam of second pixel rotation, wherein each discrete pixel elements comprises an E vector polarization state independent control, variable-angle of described modulation signal second intensity composition definition;
G. be used for the beam that the described first and second pixel rotating beams are combined into a compound beam is reconfigured device; And
H. beam decomposer, be used for described compound beam is resolved into collimation, the first and second output beams, and be used for this first output beam is guided with first direction, second beam is guided with second direction, described second direction and first direction have the certain angle skew, the E vector polarization state that the described first output beam has basic fixed, wherein discrete pixel element is as the direct function of the first and second intensity compositions of described modulation signal and change intensity independently, and the 2nd E vector polarization state that the described second output beam has basic fixed, wherein discrete pixel element is exported the inverse function of beam as described first and is changed intensity independently.
2. the system as claimed in claim 1, wherein said incoming beams comprises light beam.
3. system as claimed in claim 2, the described first intensity composition of wherein said modulation signal is corresponding to the first colouring intensity signal, and the wherein said second intensity composition is corresponding to the second colouring intensity signal.
4. system as claimed in claim 2, wherein said beam separating device comprises a polarization beam apparatus.
5. system as claimed in claim 4, wherein said polarization beam apparatus comprises one cube of polarizer.
6. system as claimed in claim 4, wherein said beam partial polarization device comprises a half wavelength retarder.
7. system as claimed in claim 2, the wherein said first variable polarising means comprises a LCD, and the described second variable polarising means comprises the 2nd LCD.
8. system as claimed in claim 2, wherein said beam decomposer has comprised inclined to one side beam splitter.
9. system as claimed in claim 8, wherein said inclined to one side beam splitter comprises one cube of polarizer
10. system as claimed in claim 1 or 2, wherein said first wavelength components comprises first band wavelength, and wherein said second wavelength components comprises second band wavelength.
11. system as claimed in claim 10, wherein said first band wavelength and described second band wavelength be non-overlapping copies mutually basically.
12. system as claimed in claim 1 or 2, wherein said first and second fixedly E vector polarization state is mutually orthogonal basically.
13. method of modulating input electromagnetic energy intensity of beam in response to a modulation signal with the first intensity composition and second intensity composition, wherein said incoming beams comprises second wavelength components that first wavelength components is different with, and each among wherein said first and second wavelength components comprises unspecific E vector polarization state, and described method comprises:
A. incoming beams is resolved into as the function of E vector polarization state and not as first and second parts of the function of wavelength, wherein said first beam partly comprises the E vector polarization state of first basic fixed, and described second beam partly comprises the E vector polarization state of second basic fixed;
B. the E vector with described second beam part rotates to substantially with second beam E vector and the described first beam part E vector parallel alignment partly;
C. described first and second beams partly are reassembled into a beam basic collimation, the polarization state unanimity, it has definite cross section and E vector polarization state single, basic fixed;
D. the beam of polarization state unanimity is resolved into the first wavelength beam composition and the second wavelength beam composition as function of wavelength;
E. on the basis of individual element, as the function of each discrete pixel elements position in described beam zone and as the function of the described modulation signal first intensity composition, and rotate the E vector polarization state of the described first wavelength beam composition, to produce the light beam of first pixel rotation, wherein each discrete pixel elements comprises an E vector polarization state independent control, variable-angle of described modulation signal first intensity composition definition;
F. on the basis of individual element, as the function of each discrete pixel elements position in described beam zone and as the function of the described modulation signal second intensity composition, and rotate the E vector polarization state of the described second wavelength beam composition, to produce the light beam of second pixel rotation, wherein each discrete pixel elements comprises an E vector polarization state independent control, variable-angle of described modulation signal second intensity composition definition;
G. with the synthetic compound beam of the set of beams of described first and second pixels rotation; And
H. described compound beam is resolved into collimation, first and second output beams, the E vector polarization state that the described first output beam has basic fixed, wherein discrete pixel element is as the direct function of the first and second intensity compositions of described modulation signal and change intensity independently, and the 2nd E vector polarization state that the described second output beam has basic fixed, wherein discrete pixel element is exported the inverse function of beam as described first and is changed intensity independently; And
I. this first output beam is guided, second beam is guided with second direction with first direction, described second direction and first direction have the certain angle skew.
14. method as claimed in claim 13, wherein said incoming beams comprises light beam.
15. method as claimed in claim 14, the described first intensity composition of wherein said modulation signal are corresponding to the first colouring intensity signal, and the described second intensity composition of wherein said modulation signal is corresponding to the second colouring intensity signal.
16. method as claimed in claim 14, wherein said division step a carries out described incoming beams by a polarization beam apparatus.
17. method as claimed in claim 16, wherein said division step a carries out described incoming beams by one cube of polarizer.
18. method as claimed in claim 16, wherein said rotation step b carries out second beam part by a half wavelength retarder.
19. as claim 13 or 14 described methods, wherein said first wavelength components comprises first band wavelength, and wherein said second wavelength components comprises second band wavelength.
20. method as claimed in claim 19, wherein said first wavelength band and described second wavelength band be non-overlapping copies mutually basically.
21. as claim 13 or 14 described methods, wherein said first and second fixedly E vector polarization state is mutually orthogonal basically.
22. method as claimed in claim 13, wherein said E vector rotation step e and step f carry out among a LCD and the 2nd LCD.
23. method as claimed in claim 13, wherein said decomposition step h be with described compound beam guiding by together partially beam splitter carry out.
24. method as claimed in claim 23, wherein said decomposition step h carries out described compound beam guiding by one cube of polarizer.
25. one kind is come the system of modulated beam of light in response to the modulation signal with the first intensity composition and second intensity composition, described system comprises:
A. beam generated device is used to produce incipient beam of light basic collimation, consistent polarization, the xsect that described light beam has a predetermined wavelength coverage and determines;
B. the light beam separating device is used for basically whole incipient beam of light being split up into the light beam of opening in first and second minutes, and each light beam has fixing E vector polarization state;
C. polarization state modifier, be used for once changing respectively the E vector polarization state of the described light beam of opening in first and second minutes, function as modulation signal produces first and second light beams that change, described first light beam that changes has a postrotational E vector polarization state, it is as the function of the first intensity composition of described modulation signal, described second light beam that changes has a postrotational E vector polarization state, and it is as the function of the second intensity composition of described modulation signal;
D. the light beam composite set is used for the synthetic single co-linear beams of described first and second sets of beams that change, and does not change the E vector polarization state of the light beam of described change basically; And
E. light beam decomposer, be used for the light beam of described single conllinear is resolved into first light beam that decomposes and second light beam that decomposes, first light beam that decomposes has an E vector polarization state of basically identical, second light beam that decomposes has the 2nd E vector polarization state of basically identical, a wherein said E vector polarization state is different with described the 2nd E vector polarization state, the intensity of wherein said first light beam that decomposes changes as the direct function of the described modulation signal first and second intensity compositions, and the intensity of described second light beam that decomposes changes as the inverse function of the described modulation signal first and second intensity compositions.
26. system as claimed in claim 25, the wherein said light beam of opening in first minute comprises that one has first wavelength components of first wavelength band, and the wherein said light beam of opening in second minute comprises that one has second wavelength components of second wavelength band.
27. system as claimed in claim 26, wherein said first and second wavelength bands are the phase non-overlapping copies basically.
28. system as claimed in claim 27, the E vector polarization state of the wherein said light beam of opening in first minute is vertical mutually basically with the E vector polarization state of the described light beam of opening in second minute.
29. system as claimed in claim 25, the described first intensity composition of wherein said modulation signal is corresponding to the first colouring intensity signal, and the wherein said second intensity composition is corresponding to the second colouring intensity signal.
30. system as claimed in claim 25, wherein said light beam separating device comprises polarization beam apparatus.
31. system as claimed in claim 30, wherein said polarization beam apparatus comprises a cube polarizer.
32. system as claimed in claim 31, wherein said light beam separating device further comprises a half-wave delayer.
33. system as claimed in claim 25, wherein said polarization state modifier comprises a LCD and the 2nd LCD, the one LCD is used to receive the described light beam of opening in first minute and produces described first light beam that changes, and the 2nd LCD is used to receive the described light beam of opening in second minute and produces described second light beam that changes.
34. system as claimed in claim 25, wherein said light beam decomposer comprises a polarization beam apparatus.
35. system as claimed in claim 34, wherein said polarization beam apparatus comprises one cube of polarizer.
36. one kind is come method along the light path modulated beam of light in response to the modulation signal with the first intensity composition and second intensity composition, described method comprises:
A. produce an incipient beam of light basic collimation, consistent polarization, the xsect that described light beam has a predetermined wavelength coverage and determines;
B. at first point of light path, basically whole incipient beam of light are split up into the light beam of opening in first and second minutes, each light beam has fixing E vector polarization state;
C. as the function of modulation signal, once change the E vector polarization state of the described light beam of opening in first and second minutes respectively, produce first and second light beams that change, described first light beam that changes has a postrotational E vector polarization state, it is as the function of the first intensity composition of described modulation signal, described second light beam that changes has a postrotational E vector polarization state, and it is as the function of the second intensity composition of described modulation signal;
D. at second point of light path, described first and second sets of beams that change are synthesized a single co-linear beams, and do not change the E vector polarization state of the light beam of described change basically; And
E. the light beam with described single conllinear resolves into first light beam that decomposes and second light beam that decomposes, first light beam that decomposes has an E vector polarization state of basically identical, second light beam that decomposes has the 2nd E vector polarization state of basically identical, a wherein said E vector polarization state is different with described the 2nd E vector polarization state, the intensity of wherein said first light beam that decomposes changes as the direct function of the described modulation signal first and second intensity compositions, and the intensity of described second light beam that decomposes changes as the inverse function of the described modulation signal first and second intensity compositions.
37. method as claimed in claim 36, the wherein said light beam of opening in first minute comprises first wavelength band, and the wherein said light beam of opening in second minute comprises second wavelength band.
38. method as claimed in claim 37, wherein said first and second wavelength bands are the phase non-overlapping copies basically.
39. as claim 36 or 38 described methods, the E vector polarization state of the wherein said light beam of opening in first minute is vertical mutually basically with the E vector polarization state of the described light beam of opening in second minute.
40. method as claimed in claim 36, the described first intensity composition of wherein said modulation signal is corresponding to the first colouring intensity signal, and the wherein said second intensity composition is corresponding to the second colouring intensity signal.
41. method as claimed in claim 36, wherein said light beam division step b is by described incipient beam of light is undertaken by a polarization beam apparatus.
42. method as claimed in claim 41, wherein said light beam division step b is by described incipient beam of light is undertaken by one cube of polarizer.
43. method as claimed in claim 36 further comprises step:, and rotate the E vector polarization state of described second light beam of opening with respect to the E vector polarization state of the described light beam of opening in first minute.
44. method as claim 36, wherein said E vector polarization state changes step c and is undertaken by following steps: guide the described light beam of opening in first minute by a LCD, and modulate a described LCD with the first intensity composition of described modulation signal, and guide the described light beam of opening in second minute, and modulate described the 2nd LCD with the second intensity composition of described modulation signal by the 2nd LCD.
45. method as claimed in claim 36, wherein said light beam decomposition step e is undertaken by the input port that described single co-linear beams is directed to a polarization beam apparatus.
46. method as claimed in claim 45, wherein said light beam decomposition step e is undertaken by the input port that described single co-linear beams is directed to one cube of polarizer.
47. method as claimed in claim 45 further comprises step:, change the angle of described second light beam that decomposes with respect to described first light beam that decomposes.
48. a method that is used for modulating in response to the modulation signal with first, second and the 3rd intensity composition input beam intensity, wherein said input beam comprises the wavelength components that first, second are different with the 3rd, and described method comprises:
A. input beam is resolved into as the function of E vector polarization state and not as the first and second light beam parts of the function of wavelength, the wherein said first beam portion branch comprises the E vector polarization state of first basic fixed, and the described second beam portion branch comprises the E vector polarization state of second basic fixed;
B. the E vector with described second light beam part rotates to substantially with second light beam E vector and the described first light beam part E vector parallel alignment partly;
C. described first and second light beams partly are reassembled into a light beam basic collimation, the polarization state unanimity, it has definite cross section and E vector polarization state single, basic fixed;
D. the light beam of polarization state unanimity is resolved into first, second and three-wavelength beam components as function of wavelength;
E. on the basis of individual element, as the function of each discrete pixel elements position in described beam area and as the function of the described modulation signal first intensity composition, and rotate the E vector polarization state of the described first wavelength light beam composition, to produce the light beam of first pixel rotation, wherein each discrete pixel elements comprises an E vector polarization state independent control, variable-angle of described modulation signal first intensity composition definition;
F. on the basis of individual element, as the function of each discrete pixel elements position in described beam area and as the function of the described modulation signal second intensity composition, and rotate the E vector polarization state of the described second wavelength light beam composition, to produce the light beam of second pixel rotation, wherein each discrete pixel elements comprises an E vector polarization state independent control, variable-angle of described modulation signal second intensity composition definition;
G. on the basis of individual element, as the function of each discrete pixel elements position in described beam area and as the function of described modulation signal the 3rd intensity composition, and rotate the E vector polarization state of described three-wavelength beam components, to produce the light beam of the 3rd pixel rotation, wherein each discrete pixel elements comprises an E vector polarization state independent control, variable-angle of described modulation signal the 3rd intensity composition definition;
H. described first, second is combined into a composite light beam with the 3rd pixel rotary beam; And
I. described composite light beam is resolved into collimation, first and second output beams, described first output beam has an E vector polarization state of basic fixed, wherein discrete pixel element changes intensity independently as the direct function of first, second and the 3rd intensity composition of described modulation signal, and described second output beam has the 2nd E vector polarization state of basic fixed, and wherein discrete pixel element is as the inverse function of described first output beam and change intensity independently; And
J. this first output beam is guided, second light beam is guided with second direction with first direction, described second direction and first direction have the certain angle skew.
49. method as claimed in claim 48, first, second of wherein said modulation signal and the 3rd intensity composition are corresponding to the red, green and blue intensity composition of colour TV signal.
50. one kind is come method along the light path modulated beam of light in response to the modulation signal with first, second and the 3rd intensity composition, described method comprises:
A. produce an incipient beam of light basic collimation, consistent polarization, the xsect that described light beam has a predetermined wavelength coverage and determines;
B. at first point of light path, basically whole incipient beam of light are split up into the light beam of first, second and three seperation, each light beam has fixing E vector polarization state;
C. as the function of modulation signal, once change described first respectively, second and the E vector polarization state of the light beam of three seperation, produce first, the second and the 3rd light beam that changes, described first light beam that changes has a postrotational E vector polarization state, it is as the function of the first intensity composition of described modulation signal, described second light beam that changes has a postrotational E vector polarization state, it is as the function of the second intensity composition of described modulation signal, the described the 3rd light beam that changes has a postrotational E vector polarization state, and it is as the function of the 3rd intensity composition of described modulation signal;
D. at second point of light path, described first, second synthesized a single co-linear beams with the 3rd sets of beams that changes, and do not change the E vector polarization state of the light beam of described change basically; And
E. the light beam with described single conllinear resolves into first light beam that decomposes and second light beam that decomposes, described first light beam that decomposes has an E vector polarization state of basically identical, described second light beam that decomposes has the 2nd E vector polarization state of basically identical, a wherein said E vector polarization state is different with described the 2nd E vector polarization state, the intensity of wherein said first light beam that decomposes is as described modulation signal first, the direct function of the second and the 3rd intensity composition and changing, the intensity of described second light beam that decomposes changes as the inverse function of the described modulation signal first and second intensity compositions.
51. method as claimed in claim 50, first, second of wherein said modulation signal and the 3rd intensity composition are corresponding to the red, green and blue intensity composition of colour TV signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101132387A CN1302311C (en) | 1999-05-10 | 1999-05-10 | High efficiency electromagnetic beam projector, system and method for implementation thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/US1999/010192 WO2000068717A1 (en) | 1992-06-11 | 1999-05-10 | High efficiency electromagnetic beam projector, and systems and methods for implementation thereof |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200310113239A Division CN1504792A (en) | 1999-05-10 | 1999-05-10 | High efficiency electromagnetic beam projector, system and method for implementation thereof |
| CNB2003101132387A Division CN1302311C (en) | 1999-05-10 | 1999-05-10 | High efficiency electromagnetic beam projector, system and method for implementation thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1354836A CN1354836A (en) | 2002-06-19 |
| CN1167962C true CN1167962C (en) | 2004-09-22 |
Family
ID=22272715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB99816786XA Expired - Lifetime CN1167962C (en) | 1999-05-10 | 1999-05-10 | High efficiency electromagnetic beam projector, and systems and methods for implementation thereof |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1167962C (en) |
| AU (1) | AU3893599A (en) |
| HK (1) | HK1046957B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5263031B2 (en) * | 2009-06-26 | 2013-08-14 | パナソニック株式会社 | Projection display |
| US8220931B2 (en) * | 2009-07-07 | 2012-07-17 | Eastman Kodak Company | Etendue reduced stereo projection using segmented disk |
| CN104980721B (en) * | 2014-04-02 | 2019-03-29 | 深圳光峰科技股份有限公司 | A kind of light-source system and optical projection system |
| JP7094947B2 (en) * | 2016-09-29 | 2022-07-04 | シーリアル テクノロジーズ ソシエテ アノニム | A device for coupling light beams that interact with adjacent pixels of a light modulator. |
| CN112835202B (en) * | 2019-11-25 | 2023-08-01 | 青岛海信激光显示股份有限公司 | Laser projection equipment |
| JP7552400B2 (en) * | 2021-02-05 | 2024-09-18 | セイコーエプソン株式会社 | Display device and projector |
| CN114415456B (en) * | 2021-12-22 | 2024-05-14 | 歌尔光学科技有限公司 | Projection optical machine and design method |
-
1999
- 1999-05-10 CN CNB99816786XA patent/CN1167962C/en not_active Expired - Lifetime
- 1999-05-10 AU AU38935/99A patent/AU3893599A/en not_active Abandoned
-
2002
- 2002-11-26 HK HK02108534.4A patent/HK1046957B/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HK1046957A1 (en) | 2003-01-30 |
| AU3893599A (en) | 2000-11-21 |
| CN1354836A (en) | 2002-06-19 |
| HK1046957B (en) | 2005-02-25 |
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