CN103529628B - Projection arrangement and projection thereof, image capture method - Google Patents
Projection arrangement and projection thereof, image capture method Download PDFInfo
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- CN103529628B CN103529628B CN201310522077.0A CN201310522077A CN103529628B CN 103529628 B CN103529628 B CN 103529628B CN 201310522077 A CN201310522077 A CN 201310522077A CN 103529628 B CN103529628 B CN 103529628B
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Abstract
The present invention is applicable to projection art, discloses a kind of projection arrangement and projection thereof, image capture method.Projection arrangement comprises the first optical modulator component, projection panel and the second optical modulator component, projection arrangement also has image-forming block, the reflected light on projecting plane arrives described image-forming block from the second optical modulator component or the second optical modulator component and the first optical modulator component, and image-forming block is arranged on projection panel or independent of described projection panel and arranges.Said method comprises the following steps: the light source of projected light arrives described projection panel through described first optical modulator component, projected light is projected to projecting plane by the second optical modulator component by described projection panel, the light on projecting plane arrives described image-forming block from described second optical modulator component or described second optical modulator component and the first optical modulator component, reads image-forming block to the imaging data on projecting plane.Projection arrangement provided by the invention and projection thereof, image capture method, its drop shadow effect is good, and power consumption is little, and equipment size is little and cost is low.
Description
Technical field
The invention belongs to projection art, particularly relate to a kind of projection arrangement and projection thereof, image capture method.
Background technology
Current projector, such as LCoS (LiquidCrystalonSilicon, the i.e. attached silicon of liquid crystal, also liquid crystal on silicon is, a kind of based on reflective-mode, the matrix liquid crystal display device that size is very little) projector is a kind of equipment that the amount of being reflected through utilizing liquid crystal array to control light reaches projection imaging.
LCoS projector of the prior art, it cannot auto-focusing by miscellaneous equipment, and time in the background projecting to ninsolid color, image can by the impact of projected background, and drop shadow effect is poor.
In prior art, also having by increasing video camera near projector, by calculating the contrast of the projected image that video camera captured in real-time arrives, projector being carried out to the implementation of automatic focusing.But power consumption is comparatively large like this, needs the power consumption increasing extra video camera, and equipment size increases, cost is high.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of projection arrangement and projection thereof, image capture method, its drop shadow effect is good, and power consumption is little, and equipment size is little and cost is low.
First aspect, as the first embodiment, the invention provides a kind of projection arrangement, comprise the first optical modulator component for projection light source being carried out modulating, optical modulation for being formed by described first optical modulator component becomes the projection panel of projected light and is used for described projected light to be projected to second optical modulator component on projecting plane, described projection arrangement also has the image-forming block for carrying out imaging to described projecting plane, the reflected light on described projecting plane arrives described image-forming block from described second optical modulator component or described second optical modulator component and the first optical modulator component, described image-forming block is arranged on described projection panel or independent of described projection panel and arranges.
In conjunction with the first embodiment, as the second embodiment, described image-forming block is integrally formed on described projection panel; Described projection panel comprises projecting cell; Described image-forming block comprises photosensitive unit; Described projecting cell and described photosensitive unit matrix spread configuration.
In conjunction with the second embodiment, as the third embodiment, described projection panel comprises monochromatic filter layer, transparent electrode layer, partial liquid crystal partly transparent layer, part reflecting part transmission layer, layer of polarizer and the Control of Voltage CMOS and photosensitive cmos layer that set gradually; Or described projection panel comprises monochromatic filter layer, transparent electrode layer, partial liquid crystal partly transparent layer, layer of polarizer, part reflecting part transmission layer and the Control of Voltage CMOS and photosensitive cmos layer that set gradually.
In conjunction with the third embodiment, as the 4th kind of embodiment, described partial liquid crystal partly transparent layer comprises liquid crystal lattice and the transparent grid of matrix arrangement, liquid crystal material is filled with in described liquid crystal lattice, described transparent grid is left a blank or is marked with transparent material, wherein said liquid crystal lattice are corresponding with described projecting cell, and described transparent grid is corresponding with described photosensitive unit.
In conjunction with the third or the 4th kind of embodiment, as the 5th kind of embodiment, described part reflecting part transmission layer comprises reflection lattice and through lattice, wherein said reflection lattice are corresponding with described projecting cell, described corresponding with described photosensitive unit through lattice.
In conjunction with the third or the 4th kind of embodiment, as the 6th kind of embodiment, described first optical modulator component comprises the polariscope for the formation of polarized light, and the polarization direction of described layer of polarizer is vertical with the polarization direction of described polariscope.
In conjunction with the third or the 4th kind of embodiment, as the 7th kind of embodiment, described Control of Voltage CMOS and photosensitive cmos layer comprise Control of Voltage cmos cell lattice and photosensitive cmos cell lattice, wherein said Control of Voltage cmos cell lattice are corresponding with described projecting cell, and described photosensitive cmos cell lattice are corresponding with described photosensitive unit.
In conjunction with the first or the second embodiment, as the 8th kind of embodiment, described projection panel is one chip LCoS projection panel, and it comprises drop shadow red's unit, drop shadow green's unit and drop shadow blue's unit; Described image-forming block is integrally formed at described one chip LCoS and projects on panel, and it comprises red sensitive unit, green light sensitive unit and blue sensitive unit; Described drop shadow red unit, drop shadow green's unit, drop shadow blue's unit, red sensitive unit, green light sensitive unit and blue sensitive cell matrix spread configuration.
In conjunction with the 8th kind of embodiment, as the 9th kind of embodiment, described projection panel comprises monochromatic filter layer, transparent electrode layer, partial liquid crystal partly transparent layer, part reflecting part transmission layer, layer of polarizer and the Control of Voltage CMOS and photosensitive cmos layer that set gradually; Or described projection panel comprises monochromatic filter layer, transparent electrode layer, partial liquid crystal partly transparent layer, layer of polarizer, part reflecting part transmission layer and the Control of Voltage CMOS and photosensitive cmos layer that set gradually;
Described partial liquid crystal partly transparent layer comprises liquid crystal lattice and the transparent grid of matrix arrangement, liquid crystal material is filled with in described liquid crystal lattice, described transparent grid is left a blank or is marked with transparent material, wherein said liquid crystal lattice and described drop shadow red unit, drop shadow green's unit, drop shadow blue's unit are corresponding, and described transparent grid is corresponding with described red sensitive unit, green light sensitive unit and blue sensitive unit;
Described part reflecting part transmission layer comprises reflection lattice and through lattice, wherein said reflection lattice and drop shadow red unit, drop shadow green's unit, drop shadow blue's unit are corresponding, described corresponding with described red sensitive unit, green light sensitive unit and blue sensitive unit through lattice;
Described first optical modulator component comprises the polariscope for the formation of polarized light, and the polarization direction of described layer of polarizer is vertical with the polarization direction of described polariscope;
Described Control of Voltage CMOS and photosensitive cmos layer comprise Control of Voltage cmos cell lattice and photosensitive cmos cell lattice, wherein said Control of Voltage cmos cell lattice and described drop shadow red unit, drop shadow green's unit, drop shadow blue's unit are corresponding, and described photosensitive cmos cell lattice are corresponding with described red sensitive unit, green light sensitive unit and blue sensitive unit.
In conjunction with the 9th kind of embodiment, as the tenth kind of embodiment, the light path of described projection arrangement is as follows: the polariscope process of the projected light that projection light source sends in described first optical modulator component obtains polarized light, through spectroscope or dichronic mirror, light is assigned to one chip LCoS projection panel again, light carries out Image Coding through one chip LCoS projection panel and obtains red, green, blue, the lens combination of red, green, blue again in the second optical modulator component through coding is amplified, then project on projecting plane, form image.
In conjunction with the first embodiment, as the 11 kind of embodiment, described image-forming block and the split of described projection panel are arranged, and described image-forming block comprises photosensitive panel, and the light on described projecting plane arrives described photosensitive panel from described second optical modulator component.
In conjunction with the 11 kind of embodiment, as the 12 kind of embodiment, described projection panel is three-panel projection panel, it comprises red panel, green board and blue panel, its light path is as follows: light to be assigned to the red panel of three-panel projection panel, green board and blue panel through the first optical modulator component by projection light source, light carries out Image Coding through red panel, green board and blue panel and obtains red, green, blue, and the red, green, blue through encoding projects on projecting plane through the second optical modulator component and forms projected image; Surround lighting is thrown into photosensitive panel from described second optical modulator component and is formed into picture;
Or, described projection panel is single-panel projection panel, its light path is as follows: light is assigned to single-panel projection panel by projection light source in the first optical modulator component, light carries out Image Coding through single-panel projection panel and obtains red, green, blue, to project on projecting plane form projected image through the red, green, blue of coding through the second optical modulator component; Surround lighting is thrown into photosensitive panel through the second optical modulator component or the second optical modulator component and the first optical modulator component and is formed into picture by surround lighting.
In conjunction with any one embodiment in the first to ten two, as the 13 kind of embodiment, described projection arrangement also comprises visible light source or/and infrared light supply.
In conjunction with the 13 kind of embodiment, as the 14 kind of embodiment, described first optical modulator component be included in that projected light source arranges only by the low pass filter of visible ray; Described projection panel end is provided with only by the infrared fileter of infrared light.
In conjunction with any one embodiment in the first to ten four, as the 15 kind of embodiment, described projection arrangement have for read image that image-forming block obtains and according to the contrast adjustment of image the auto-focusing control module of the focal length of the second optical modulator component.
In conjunction with any one embodiment in the first to ten four, as the 16 kind of embodiment, described projection arrangement has the self-adaptation projection module of the color value for reading image-generating unit in image-forming block the color value correction drop shadow effect according to image-generating unit.
In conjunction with the 16 kind of embodiment, as the 17 kind of embodiment, described makeover process is as follows: the color value color value of the image needing projection being deducted image-generating unit.
In conjunction with any one embodiment in the first to ten four, as the 18 kind of embodiment, described projection arrangement has the image continuing to take according to image-forming block and carries out identifying the operation input control module carrying out operating focus identification.
In conjunction with any one embodiment in the first to ten eight, as the 19 kind of embodiment, described projection arrangement comprises and synchronously or respectively carries out projecting and the time-division working control module of imaging for controlling described projection panel and image-forming block.
Second aspect, present invention also offers a kind of projection arrangement, and comprise projection panel and image-forming block, described image-forming block is integrally formed on described projection panel; Described projection panel comprises projecting cell; Described image-forming block comprises photosensitive unit; Described projecting cell and described photosensitive unit matrix spread configuration.
The third aspect, present invention also offers a kind of projection of the projection arrangement adopting first aspect to provide, image capture method, comprise the following steps: the light source of projected light arrives described projection panel through described first optical modulator component, projected light is projected to projecting plane by the second optical modulator component by described projection panel, the light on projecting plane arrives described image-forming block from described second optical modulator component or described second optical modulator component and the first optical modulator component, reads image-forming block to the imaging data on projecting plane.
A kind of projection arrangement provided by the invention and projection thereof, image capture method, it is by arranging the image acquisition of image-forming block to projecting plane, focal length calculating can be carried out according to collected projecting plane image, to realize the automatic focusing function of projection arrangement, in addition, can also according to collected projecting plane image by projecting cell with photosensitive unit is coplanar or the pattern of altogether light path equivalent face, make to project and can pass through the image that collected projecting plane image adapts to projecting plane self automatically, even if time in the background projecting to ninsolid color, projected image also can not by the impact of projecting plane background, drop shadow effect is good, and without the need to increasing independent video camera, device power consumption is little, compact size and cost is low.
Accompanying drawing explanation
Fig. 1 is projecting function light path schematic diagram in the projection arrangement that provides of the embodiment of the present invention one;
Fig. 2 is imaging function light path schematic diagram in the projection arrangement that provides of the embodiment of the present invention one;
Fig. 3 is project in the projection arrangement that provides of the embodiment of the present invention one projecting cell of panel and the first arrangement floor map of photosensitive unit;
Fig. 4 is project in the projection arrangement that provides of the embodiment of the present invention one projecting cell of panel and photosensitive unit the second arrangement floor map;
Fig. 5 is the decomposing schematic representation of panel of projecting in the projection arrangement that provides of the embodiment of the present invention one;
Fig. 6 is liquid crystal lattice and the transparent grid arrangement floor map of partial liquid crystal partly transparent layer in the projection arrangement that provides of the embodiment of the present invention one;
Fig. 7 be sub reflector component permeate layer in the middle part of the projection arrangement that provides of the embodiment of the present invention one reflection lattice and through grillages row floor map;
Fig. 8 is the Control of Voltage cmos cell lattice of Control of Voltage CMOS and photosensitive cmos layer in the projection arrangement that provides of the embodiment of the present invention one and photosensitive cmos cell grillages row floor map;
Fig. 9 is the cmos circuit schematic diagram of the projection arrangement that the embodiment of the present invention one provides;
Figure 10 is the LCoS panel light path schematic diagram that the embodiment of the present invention one provides;
Figure 11 (a) is the schematic diagram of the projection imaging of the projection arrangement that the embodiment of the present invention one provides;
Figure 11 (b) is the schematic diagram of the shooting imaging of the projection arrangement that the embodiment of the present invention one provides;
Figure 12 is projecting function light path schematic diagram in the projection arrangement that provides of the embodiment of the present invention two;
Figure 13 is project in the projection arrangement that provides of the embodiment of the present invention two projecting cell of panel and the first arrangement floor map of photosensitive unit;
Figure 14 is project in the projection arrangement that provides of the embodiment of the present invention two projecting cell of panel and photosensitive unit the second arrangement floor map;
Figure 15 is project in the projection arrangement that provides of the embodiment of the present invention two projecting cell of panel and the third arrangement floor map of photosensitive unit;
Figure 16 is the filter unit arrangement floor map of optical filter in panel of projecting in the projection arrangement that provides of the embodiment of the present invention two;
Figure 17 is the projecting function light path schematic diagram with the projection arrangement of three-panel projection panel that the embodiment of the present invention three provides;
Figure 18 is the projecting function light path schematic diagram with the projection arrangement of single-panel projection panel that the embodiment of the present invention three provides;
Figure 19 be the embodiment of the present invention three provide there is photosensitive panel and light path schematic diagram in the projection arrangement of three-panel projection panel;
Figure 20 is that the image-forming block that the embodiment of the present invention four provides is integrated in the projection arrangement of projection panel the panel light path schematic diagram that projects;
Figure 21 is the panel light path schematic diagram that projects in the projection arrangement of the image-forming block collection that provides of the embodiment of the present invention four independent of projection panel;
Figure 22 is the workflow diagram of the projection arrangement that the embodiment of the present invention seven provides.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " being connected to " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower in the present embodiment, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
Embodiment one:
As depicted in figs. 1 and 2, a kind of projection arrangement that the embodiment of the present invention provides, comprising the first optical modulator component (not identifying in figure) for projection light source 91 being carried out modulating, becoming the projection panel 3 of projected light for the optical modulation formed by the first optical modulator component and being used for projected light to be projected to second optical modulator component (not identifying in figure) on projecting plane.
Projection arrangement also has the image-forming block for carrying out imaging to projecting plane 92, and the reflected light on projecting plane 92 arrives image-forming block (not identifying in figure) from the second optical modulator component or the second optical modulator component and the first optical modulator component.Image-forming block is arranged on projection panel 3 or independent of projection panel 3 and arranges.
Image-forming block can share the part or all of part of the second optical modulator component, or, image-forming block can share the part or all of part of the second optical modulator component and the part or all of part of the first optical modulator component, image-forming block utilizes the mode with projecting function common lens group, realizes camera function.
By arranging the image acquisition of image-forming block to projecting plane 92, focal length calculating can be carried out according to collected projecting plane image, to realize the automatic focusing function of projection arrangement, in addition, can also according to collected projecting plane image by projecting cell with photosensitive unit is coplanar or the pattern of altogether light path equivalent face, make to project and can pass through the image that collected projecting plane image adapts to projecting plane 92 self automatically, even if time in the background projecting to ninsolid color, projected image also can not by the impact of projecting plane 92 background, and drop shadow effect is good; And without the need to increasing independent video camera, device power consumption is little, compact size and cost is low.
Particularly, the first optical modulator component comprises the polariscope 11 for the formation of polarized light.
Particularly, the first optical modulator component also comprises dichronic mirror for being separated by polarized light or spectroscope 12.Spectroscope 12 or dichronic mirror can be provided with one, two or more, specifically can determine according to actual conditions.After projection light source 91 sends white light, first obtain polarized light through polariscope 11 process, then through spectroscope 12 or dichronic mirror, light is assigned on projection panel 3 equably.
Particularly, the second optical modulator component comprises the mixed light mirror 21 that each projected light mixed and is used for the lens combination 22 of mixed projected light being amplified.Certainly, understandably, according to one chip LCoS projection panel, it is without the need to carrying out mixed light, does not also just need mixed light mirror 21.
Particularly, project panel 3 can be reflective projection panel or infiltration type projection panel or semi-permeable semi-reflection-type project panel.Particularly, projection panel 3 can be LCoS (LiquidCrystalonSilicon, the attached silicon of liquid crystal, also liquid crystal on silicon is, be a kind of based on reflective projection panel and the very little matrix liquid crystal display device of size) type projection panel or DLP (DigitalLightProcessing is an imaging technique being used in projector and rear-projection TV) type projection panel or LCD (LiquidCrystalDisplay) type projection panel.
Particularly, projection arrangement has for reading image that image-forming block obtains and the auto-focusing control module (not shown) of focal length according to contrast adjustment second optical modulator component of image.By the setting of shooting with projection common optical pathways, auto-focusing is carried out to shooting, indirectly completes the realization of projection automatic focusing.
Particularly, projection arrangement has the self-adaptation projection module (not shown) of the color value for reading image-generating unit in image-forming block the color value correction drop shadow effect according to image-generating unit.
Particularly, projection arrangement has the image continuing to take according to image-forming block and carries out identifying the operation input control module (not shown) carrying out operating focus identification.Understandably, auto-focusing control module, self-adaptation projection module and operation input control module can be integrated on same module or disparate modules, also can independently arrange.
Particularly, projection panel 3 comprises projecting cell, and image-forming block is integrally formed on projection panel 3, and it comprises photosensitive unit, projecting cell and photosensitive unit matrix spread configuration.Namely by increasing photosensitive unit to realize imaging to projecting plane 92 on projection panel 3, projecting plane 92 is overlapped substantially completely with imaging surface, projection modification and to input recognition effect good.
From horizontal, the projection panel 3 of this device is integrated with image-forming block, it is the matrix array that projecting cell and photosensitive unit arrange according to certain rules, if projecting cell A represents, photosensitive unit B represents, projection panel 3 then in the present embodiment can be the matrix array by aligned transfer as shown in Figure 3: each arrangement group has the capable N row of N, N can be the integer being more than or equal to 3, wherein photosensitive unit B is placed in the middle, projecting cell A, around photosensitive unit B, is arranged by multiple arrangement group matrix and obtains the projection panel 3 being integrated with image-forming block.In Fig. 3, each arrangement group has three row three row, and photosensitive unit B is placed in the middle, and namely photosensitive unit B is centrally placed in the second row secondary series, and all the other positions are all projecting cell A, and namely 8 projecting cell A are around a photosensitive unit B.The LCoS panel of this device also can be by the aligned transfer shown in Fig. 4: each arrangement group has the capable N row of N, and N can be the integer being more than or equal to 2, and a photosensitive unit B is positioned at arrangement group wherein a jiao, and all the other are projecting cell A.In Fig. 4, each arrangement group has two row two row, and wherein photosensitive unit B is positioned at the second row secondary series, and all the other 3 is projecting cell A.Only lift 2 examples above, the present embodiment to differ a citing to projecting cell and photosensitive unit arrangement regulation, projecting cell and photosensitive unit number, only depend on the requirement to projected resolution with to resolution requirement situation of making a video recording.If higher to the requirement of projected resolution, then can more projecting cell, if higher to shooting resolution requirement, then can more image unit.Understandably, Else Rule or irregular mode also can be adopted to arrange projecting cell A and photosensitive unit B.The present embodiment subsequent descriptions is only illustrated with the arrangement of Fig. 3, by increasing photosensitive unit on projection panel 3, realizes camera function.
Particularly, from longitudinal, as shown in Figure 5, monochromatic filter layer 31, transparent electrode layer 32, partial liquid crystal partly transparent layer 33, part reflecting part transmission layer 34, layer of polarizer 35 and Control of Voltage CMOS that the panel 3 that projects includes but not limited to set gradually and photosensitive cmos layer 36.Or projection panel 3 comprises monochromatic filter layer 31, transparent electrode layer 32, partial liquid crystal partly transparent layer 33, layer of polarizer 35, part reflecting part transmission layer 34 and the Control of Voltage CMOS and photosensitive cmos layer 36 that set gradually.
Particularly, partial liquid crystal partly transparent layer 33 comprises liquid crystal lattice and the transparent grid of matrix arrangement, and be filled with liquid crystal material in liquid crystal lattice, transparent grid is left a blank or is marked with transparent material, and wherein liquid crystal lattice are corresponding with projecting cell, and transparent grid is corresponding with photosensitive unit.
Particularly, part reflecting part transmission layer 34 comprises reflection lattice and through lattice, wherein reflects lattice corresponding with projecting cell, corresponding with photosensitive unit through lattice.
Particularly, the polarization direction of layer of polarizer 35 is vertical with the polarization direction of polariscope 11.
Particularly, Control of Voltage CMOS and photosensitive cmos layer 36 comprise Control of Voltage cmos cell lattice and photosensitive cmos cell lattice, and wherein Control of Voltage cmos cell lattice are corresponding with projecting cell, and photosensitive cmos cell lattice are corresponding with photosensitive unit.
In the present embodiment, as shown in Figure 1, projection panel 3 is that project three-chip type LCoS (LiquidCrystalonSilicon, the attached silicon of liquid crystal, is also liquid crystal on silicon) panel, and understandably, projection panel 3 also can adopt the projection panel of other type.Above-mentioned three-chip type LCoS projection panel comprises red LCoS panel 3r, green LCoS panel 3g and blue LCoS panel 3b, the light path of projecting function is as follows: polariscope 11 process of the projected light that projection light source 91 sends in the first optical modulator component obtains polarized light, through spectroscope 12 or dichronic mirror, light is assigned to red LCoS panel 3r again, green LCoS panel 3g and blue LCoS panel 3b, light is through red LCoS panel 3r, carry out Image Coding and obtain red during green LCoS panel 3g and blue LCoS panel 3b, green, blue light, red through what encode, green, the blue light mixed light mirror 21 converged to again in the second optical modulator component mixes and lens combination 22 in the second optical modulator component is amplified, then project on projecting plane 92, form projected image.
The light path of imaging function is as shown in Figure 2: when light arrives LCoS panel, first can through filter layer, if red LCoS panel then allows ruddiness pass through, if green LCoS panel then allows green glow pass through, if blue LCoS panel then allows blue light pass through; Transparency electrode has a common electric voltage; Liquid crystal layer is a liquid crystal array, is made up of vertically and horizontally arranged neat liquid crystal lattice; Reflection horizon is the light reflection surface of one deck light; Control of Voltage CMOS is the liquid crystal array complete matching of a cmos voltage control module array and liquid crystal layer, and driver module controls the light throughput of liquid crystal lattice by the voltage controlled between cmos voltage control module and transparency electrode, thus forms image.The above content of this paragraph is the formation of common three-chip type LCoS projector, and more than can not contain the formation of all three-chip type LCoS projector completely, such as some three-chip type LCoS projector does not make spectroscope 12, and uses dichronic mirror instead.Projection arrangement provided by the present invention, in above-mentioned three-chip type LCoS projector, make use of the light initiatively sent from projection light source 91.The characteristic reversible according to light path, as shown in Figure 2, the light that sends from projecting plane 92 (or surround lighting 901 of reflection) also can lens combination 22 in the second optical modulator component, projects on LCoS panel for light path.Therefore by increasing photosensitive unit on LCoS panel, the image on projecting plane 92 can just be photographed.
This device adds camera function on the basis of above-mentioned three-chip type LCoS projector.The LCoS panel of this device and driver module and above-mentioned three-chip type LCoS projector different, other component part can be consistent with above-mentioned existing three-chip type LCoS projector.The LCoS panel and the driver module that are described below in detail this device realize.
From longitudinal, the LCoS panel of this device mainly divides following six layers: monochromatic filter layer 31, transparent electrode layer 32, partial liquid crystal partly transparent layer 33, part reflecting part transmission layer 34, layer of polarizer 35 and Control of Voltage CMOS and photosensitive cmos layer 36.
The superiors are (red, green, blue) optical filter (monochromatic filter layers 31), if red LCoS panel 3r just uses red optical filter, if green LCoS panel 3g just uses green optical filter, if blue LCoS panel 3b just uses blue optical filter.2nd layer is transparent electrode layer 32, for producing electric field with Control of Voltage cmos cell lattice, by the light throughput of these electric field controls liquid crystal cells lattice.3rd layer is partial liquid crystal partly transparent layer 33, as shown in Figure 6, is made up of liquid crystal lattice and transparent grid, and corresponding with the matrix array of the projection panel 3 of this device shown in Fig. 3.Liquid crystal lattice A1 represents, transparent grid B1 represents.With projecting cell A corresponding be liquid crystal lattice A1, with photosensitive unit B corresponding be transparent grid B2.In liquid crystal lattice, A1 change is full of liquid crystal, and transparent grid B1 can leave a blank, and also can inject transparency liquid or crystal, only needs to keep any luminous energy to pass through.So-called correspondence in the present embodiment, refers to that arrangement order is identical with rule.As Fig. 7, the 4th layer is part reflecting part transmission layer 34, and comprise reflection lattice and through lattice, reflect lattice A2 and represent, represent through lattice B2, A2 is corresponding with projecting cell A for reflection lattice, corresponding with photosensitive unit B through lattice B2.
5th layer is layer of polarizer 35, the polarization direction of polaroid is vertical with the polarization direction of the polariscope 11 in Fig. 1, by in the light of coming through lattice, only can pass through from the component identical with the polarization direction of polaroid the surround lighting that projecting plane 92 reflects back, and whole light in projected light not by; Projecting to the light that the image on projecting plane 92 reflects also is polarized light, can not pass through.Polaroid also can be placed on the 4th layer, and exchange with part reflecting part transmission layer 34, effect is the same.
As Fig. 8, the 6th layer is Control of Voltage CMOS and photosensitive cmos layer 36, and be made up of Control of Voltage cmos cell lattice A3 and photosensitive cmos cell lattice B3, A3 is corresponding with projecting cell A for Control of Voltage cmos cell lattice, and photosensitive cmos cell lattice B3 is corresponding with photosensitive unit B.
The cmos circuit schematic diagram of this device as shown in Figure 9, wherein only depicts 8 Control of Voltage cmos cell lattice 301, is distributed in surrounding; With 1 photosensitive cmos cell lattice 302, at centre 1 lattice of Fig. 9.
LCoS panel light path schematic diagram in the present embodiment as shown in Figure 10, for blue LCoS panel 3b, the light of projection light source 91 is after polariscope 11, all press a certain specific direction polarization, to reflex in blue LCoS panel 3b after blue filter layer through spectroscope 12, only have blue light by, then arrive partial liquid crystal partly transparent layer 33 through transparent electrode layer 32.If these lattice are liquid crystal lattice A1, then controlled by the voltage of the Control of Voltage cmos cell lattice A3 to correspondence, control the light throughput of these liquid crystal lattice A1, then light arrives corresponding reflection lattice A2 (attention: liquid crystal can carry out 90 degree of torsions to polarisation of light direction here through the torsion of liquid crystal, so layer of polarizer 35 is put into part reflecting part transmission layer 34, above come also can not affect projecting function), and reflected LCoS panel by by former road, if these lattice are transparent grid B1, light directly arrives layer of polarizer 35 through through lattice B2, because of the polarization direction of this layer of polarizer 35 and the direction of polariscope 11 mutually vertical, so the light that all projection light sources 91 send is not by layer of polarizer 35, comprise the light reflected from the image thrown into projecting plane 92, only have surround lighting be mapped to the component identical with the polarization direction of layer of polarizer 35 in the light that projecting plane 92 reflects by, after layer of polarizer 35, just can be received by photosensitive cmos cell lattice B3, what therefore become by photosensitive cmos cell lattice B3 similarly is the image on projecting plane 92 when not having projected image, that is the image of this device shooting is the original image on projecting plane 92, can not by the variable effect of projected image.
Particularly, projection arrangement has for reading image that image-forming block obtains and the auto-focusing control module of focal length according to contrast adjustment second optical modulator component of image.By the setting of shooting with projection common optical pathways, by carrying out auto-focusing to shooting, indirectly complete the realization of projection automatic focusing.The photosensitive information of all photosensitive units is read by scanning, the image on a projecting plane 92 can be obtained (due to the reason that polaroid filters, this image does not comprise the image that this device self throws into projecting plane 92), and by carrying out auto-focusing calculating to this image, the reflection luminous energy that lens combination 22 adjusts to each point on projecting plane 92 can be converged on corresponding photosensitive unit, thus complete shooting focusing, because photosensitive unit and projecting cell are in same plane or according to conversion, the characteristic reversible according to light path, now the light of projecting cell also can converge on point corresponding on projecting plane 92, thus complete the focusing of projection, make the clear picture of projection.The schematic diagram of projection imaging as shown in Figure 11 (a), the object point 94 in projection panel 3 through the second optical modulator component refraction and throw into projecting plane 92 and form picture point 95.The schematic diagram of shooting imaging is as shown in Figure 11 (b), and on projecting plane 92, surround lighting 901 is thrown into be integrated with on the projection panel 3 of image-forming block by the refraction of the second optical modulator component, makes object point 95 on projecting plane 92 on image-forming block, form picture point 96.Utilize projecting function and the complete common lens group 22 of camera function, projecting cell array and photosensitive unit array coplanar, projection rectangular pyramid space overlaps substantially with shooting rectangular pyramid space, and the image taken by camera function is focused to lens combination 22 automatically, thus realizes shooting auto-focusing.
Particularly, projection arrangement has the self-adaptation projection module of the color value for reading image-generating unit in image-forming block the color value correction drop shadow effect according to image-generating unit.In actual use, projecting plane 92 itself is not often pure color, at this moment needing the image of projection to throw into after on projecting plane 92, owing to needing the imaging importing on image and the projecting plane 92 self projected, the image that user sees will be variant with the image needing to project, and affects result of use.By the image-forming block energy captured in real-time of this device image to projecting plane 92, due to projecting cell and image unit closely, the image of shooting therefore can be used to revise the effect of projected image.The matrix array schematic diagram of the LCoS panel of this device as shown in Figure 3, the color value of 1 middle photosensitive unit can be used to revise the color value of 8 projecting cells around, and correction formula is as follows:
The color value of the color value-photosensitive unit of the image of the color value=needs projection of projecting cell.Namely makeover process is as follows: the color value color value of the image needing projection being deducted image-generating unit.Certainly, the color of other suitable algorithm to projecting cell also can be adopted to revise.Even if time in the background projecting to ninsolid color, projected image also can not by the impact of projecting plane 92 background, and projected image can make accommodation to projecting plane 92, and the image that user is seen is as the effect on pure color projecting plane, and Consumer's Experience effect is good.Projection arrangement in the present embodiment also can be regarded as the video camera or camera with projecting function.
Embodiment two:
Different from the panel that projects of the three-chip type LCoS in embodiment, the panel 3 ' that projects in the present embodiment to project panel for one chip LCoS, and it comprises drop shadow red's unit, drop shadow green's unit and drop shadow blue's unit; Image-forming block can be integrally formed at one chip LCoS and project on panel 3 '.Image-forming block it comprise red sensitive unit, green light sensitive unit and blue sensitive unit; Drop shadow red's unit, drop shadow green's unit, drop shadow blue's unit, red sensitive unit, green light sensitive unit and blue sensitive cell matrix spread configuration.In the present embodiment, represent for projecting cell A, represent for photosensitive unit with B, redness represents with r, and green represents with g, and blueness represents with b.Therefore: drop shadow red unit Ar represents, drop shadow green unit Ag represents, drop shadow blue unit Ab represents, red sensitive unit Br represents, green light sensitive unit represents with Bg and to represent with blue sensitive unit Bb.
Particularly, the panel 3 ' that projects comprises filter layer 31, transparent electrode layer 32, partial liquid crystal partly transparent layer 33, part reflecting part transmission layer 34, layer of polarizer 35 and the Control of Voltage CMOS and photosensitive cmos layer 36 that set gradually; Or projection panel 3 ' comprises filter layer, transparent electrode layer 32, partial liquid crystal partly transparent layer 33, layer of polarizer 35, part reflecting part transmission layer 34 and the Control of Voltage CMOS and photosensitive cmos layer 36 that set gradually.
Partial liquid crystal partly transparent layer 33 comprises liquid crystal lattice and the transparent grid of matrix arrangement, liquid crystal material is filled with in liquid crystal lattice, transparent grid is left a blank or is marked with transparent material, wherein liquid crystal lattice and drop shadow red unit, drop shadow green's unit, drop shadow blue's unit are corresponding, and transparent grid is corresponding with red sensitive unit, green light sensitive unit and blue sensitive unit.
Part reflecting part transmission layer 34 comprises reflection lattice and through lattice, wherein reflects lattice and drop shadow red unit, drop shadow green's unit, drop shadow blue's unit are corresponding, corresponding with red sensitive unit, green light sensitive unit and blue sensitive unit through lattice.The polarization direction of layer of polarizer 35 is vertical with the polarization direction of polariscope 11.
Control of Voltage CMOS and photosensitive cmos layer 36 comprise Control of Voltage cmos cell lattice and photosensitive cmos cell lattice, wherein Control of Voltage cmos cell lattice and drop shadow red unit, drop shadow green's unit, drop shadow blue's unit are corresponding, and photosensitive cmos cell lattice are corresponding with red sensitive unit, green light sensitive unit and blue sensitive unit.Be the matrix array that projecting cell and photosensitive unit arrange according to certain rules from the LCoS panel of horizontal this device, then the projection panel 3 ' of the present embodiment can be the matrix array by aligned transfer as shown in figure 13.In addition, LCoS panel also can by the aligned transfer shown in Figure 14 or Figure 15.Only lift 3 examples above, this patent to differ a citing to projecting cell and photosensitive unit arrangement regulation.The number of projecting cell and photosensitive unit, only depends on the requirement to projected resolution with to resolution requirement situation of making a video recording.If higher to the requirement of projected resolution, then can more projecting cell, if higher to shooting resolution requirement, then can more image unit.Understandably, Else Rule or irregular mode also can be adopted to arrange projecting cell A and photosensitive unit B.This patent subsequent descriptions is only illustrated with the arrangement of Figure 13, illustrates no longer one by one.The filter layer of the present embodiment also needs corresponding with the array of image unit with projecting cell, and filter layer 31 array is as Figure 16, and wherein red filter unit r represents, green filter unit g represents, blue filter unit b represents.
Or as an alternative, image-forming block also can independently be arranged separately.
Embodiment three:
To be integrated in the panel that projects different from image-forming block in embodiment one, two, the projection arrangement in the present embodiment, its image-forming block and projection panel 3 " be provided separately.Image-forming block and projection panel 3 " split arranges, and image-forming block comprises photosensitive panel 41, and the light on projecting plane 92 arrives photosensitive panel 41 from the second optical modulator component.Image-forming block also comprises polaroid 42, polaroid 42 with for the panel 3 that projects " polariscope (polariscope 12 in the first optical modulator component) perpendicular, polaroid 42 will in the first optical modulator component refraction or/and the surround lighting that reflection is come in is thrown to photosensitive panel 41.
For three-panel projection panel 3 " projection arrangement of structure, its light path is as shown in figure 17.Polariscope 11 process of the projected light that projection light source 91 sends in the first optical modulator component obtains polarized light, through spectroscope 12 or dichronic mirror, light is assigned to three-panel projection panel 3 again " three projection panels; light carries out Image Coding through three projection panels and obtains red, green, blue; to mix and lens combination 22 in the second optical modulator component is amplified through the red, green, blue mixed light mirror 21 converged to again in the second optical modulator component of coding; then project on projecting plane 92, form projected image.Surround lighting 901 enters to mixed light mirror 21 from lens combination 22 refraction the second optical modulator component and is thrown to polaroid 42, and surround lighting 901 is thrown into photosensitive panel 41 by polaroid 42.
For single-panel projection panel 3 " projection arrangement of structure, its light path is as shown in figure 18.Polariscope 11 process of the projected light that projection light source 91 sends in the first optical modulator component obtains polarized light, through spectroscope 12 or dichronic mirror, light is assigned to single-panel projection panel 3 again "; light is through single-panel projection panel 3 " time carries out Image Coding and obtains red, green, blue, the lens combination 22 of red, green, blue in the second optical modulator component through coding is amplified, then project on projecting plane 92, form projected image.Surround lighting 901 enters to polariscope 11 from lens combination 22 refraction the second optical modulator component, and surround lighting is thrown into photosensitive panel 41 by polariscope 11.Polariscope 11 and polaroid 42 can share.
In the present embodiment, projection LCoS panel is consistent with original three-panel projection instrument or single-panel projection instrument.It comprises set gradually filter layer, transparent electrode layer 32, liquid crystal layer, reflection horizon and Control of Voltage cmos layer.Photosensitive panel 41 is similar with the photosensitive panel of common camera, only need to increase the polaroid 42 perpendicular with the polariscope polarization direction of projector before the photosensitive panel of common camera, photosensitive panel 41 and light path are illustrated as shown in figure 19: surround lighting 901 enters to polariscope 11 from the second optical modulator component, surround lighting is thrown into polaroid 42 by polariscope 11, and surround lighting 901 is thrown into photosensitive panel 41 by polaroid 42.
Embodiment four:
On the basis of the projection arrangement provided in embodiment one, two or three, the projection arrangement in the present embodiment also comprises visible light source or/and infrared light supply.Visible light source can be the light source of the suitable type such as Led.
Particularly, the first optical modulator component be included in that projection light source 91 end arranges only by the low pass filter 51 of visible ray; Projection panel end is provided with only by the infrared fileter 52 of infrared light.Low pass filter 51 can be disposed adjacent with polariscope.Image-forming block is integrated in the structure of projection panel, infrared fileter 52 can be arranged in projection panel 3, infrared fileter 52 can be positioned at above Control of Voltage CMOS and photosensitive cmos layer 36, such as Control of Voltage CMOS and between photosensitive cmos layer 36 and layer of polarizer 35.For the structure of image-forming block collection independent of projection panel, infrared fileter 52 can be arranged between polaroid 42 and photosensitive panel 41.
Shooting all relies on surround lighting, and when surround lighting is more weak, photographic effect is bad, and the present embodiment increases pickup-light source by the basis of the projection arrangement provided in embodiment one, two or three.Pickup-light source can, for can see light source by light, also can be infrared light supply.When increasing visible light source, the photographic effect under low light environment just can be improved; When using infrared light supply, the self-adaptation projecting function of this device lost efficacy, auto-focusing and operation input function still effective, when can light see that light source and infrared light supply use simultaneously time, not only can improve the photographic effect under low light environment, the effect that operation input identifies can also be strengthened.
Image-forming block is integrated in the structure of projection panel, when using infrared light supply, projection panel index path is as Figure 20, projection light source 91 enters low pass filter 51 from polariscope 11, low pass filter 51 by visible ray, invests projecting plane from low pass filter 51 visible ray out through projection panel and the second optical modulator component.The reflected light of projecting plane place infrared light supply through projecting plane enters the projection panel being integrated with image-forming block through spectroscope 12, first arrive filter layer, then arrive partial liquid crystal partly transparent layer 33 through transparent electrode layer 32.If these lattice are liquid crystal lattice A1, are then controlled by the voltage of the Control of Voltage cmos cell lattice A3 to correspondence, control the light throughput of these liquid crystal lattice A1, then light arrives corresponding reflection lattice A2 through the torsion of liquid crystal, and is reflected LCoS panel by by former road; If these lattice are transparent grid B1, infrared light directly arrives layer of polarizer 35 through through lattice B2, and after layer of polarizer 35, through infrared fileter 52, only allow infrared light pass through, infrared light just can be received by photosensitive cmos cell lattice B3.Namely, on the basis of Figure 10, add low pass filter 51 at projection light source 91 end, only pass through visible ray; Add infrared fileter 52 at LCoS panel end, only by infrared light, therefore photosensitive unit can only sense the infrared light reflected back from projecting plane 92.
For the structure of image-forming block collection independent of projection panel, when using infrared light supply, on the basis of Figure 19, add low pass filter 51 at projection light source 91 end, only pass through visible ray; Add infrared fileter 52 at photosensitive panel 41 end, only by infrared light, therefore photosensitive unit can only sense the infrared light reflected back from projecting plane 92.The index path of photosensitive panel 41 is as Figure 21: the reflected light of projecting plane place infrared light supply 902 through projecting plane enters through spectroscope 12 and arrive polaroid 42, and arrives photosensitive panel 41 through infrared fileter 52.
When can light see that light source and infrared light supply use simultaneously time, still need to increase low pass filter 51 at projection light source 91 end, and at LCoS panel end, infrared fileter 52 is revised as infrared filtering and low pass filtered photosphere, the matrix array that infrared filtering and low pass filtered photosphere are made up of infrared filtering lattice and low pass optical filtering lattice, on infrared photosensitive unit, use infrared filtering lattice, on the photosensitive lattice of visible ray, use low pass optical filtering lattice.
When can light see light source and infrared light supply be simultaneously used in LCoS panel be separated with photosensitive panel 41 time, in like manner also just infrared fileter 52 is revised as infrared filtering and low pass filtered photosphere, the matrix array that infrared filtering and low pass filtered photosphere are made up of infrared filtering lattice and low pass optical filtering lattice, on infrared photosensitive unit, use infrared filtering lattice, on the photosensitive lattice of visible ray, use low pass optical filtering lattice.
Embodiment five:
On the basis of the projection arrangement provided in embodiment one, two, three or four, the projection arrangement in the present embodiment also comprises and synchronously or respectively carries out projecting for control to project panel and image-forming block and the time-division working control module of imaging.Time-division working control module can by following Row control projection arrangement: open projection light source, scanning projection panel also writes projecting image data, close projection light source, scanning imagery parts initialization image-forming block, scanning imagery parts also read captured image data, its process flow diagram is as shown in figure 22: start S101, open projection light source S102, scanning projection panel also writes projecting image data S103, close projection light source S104, scanning imagery parts initialization image-forming block S105, scanning imagery parts also read captured image data S106, then judge whether to terminate S107, if do not terminate, then get back to and open projection light source step and re-execute.If terminate, then terminate S108.By camera function and the mode of camera function time-division, the light of projection is separated with the light of shooting, thus make projection and make a video recording can co-operation in one apparatus.
Embodiment six:
The present embodiment additionally provides a kind of projection arrangement, and comprise projection panel and image-forming block, described image-forming block is integrally formed on described projection panel; Described projection panel comprises projecting cell; Described image-forming block comprises photosensitive unit; Described projecting cell and described photosensitive unit matrix spread configuration.Projection panel can be identical with image-forming block with the projection panel in enforcement one, two or three with the structure of image-forming block.
Embodiment seven:
Present embodiments provide a kind of employing embodiment one, two, the projection of the projection arrangement in three or four, image capture method, comprise the following steps: the light source of projected light arrives projection panel through the first optical modulator component, projected light is projected to projecting plane by the second optical modulator component by projection panel, the light on projecting plane arrives image-forming block from the second optical modulator component or the second optical modulator component and the first optical modulator component, read image-forming block to the imaging data on projecting plane, and according to imaging data, adjustment is optimized to projection, or can also by reading image-forming block continuously to the imaging data on projecting plane, realize input control.
Particularly, the flow process of method can be as follows: as shown in figure 22, start S101, open projection light source S102, scanning projection panel and write projecting image data S103, close projection light source S104, scanning imagery parts initialization image-forming block S105, scanning imagery parts read captured image data S106, then judge whether to terminate S107, if do not terminate, then get back to and open projection light source step and re-execute.If terminate, then terminate S108.Certainly, understandably, other suitable workflow can be adopted, specifically can determine according to service condition.
Projection arrangement provided by the present invention, it at least has following beneficial effect:
1., by the mode of the common lens group that projects and make a video recording, use projection can carry out automatic focusing function by shooting.
2., by projecting cell with photosensitive unit is coplanar or the mode of altogether light path equivalent face, making to project to adapt to the image on projecting plane self automatically by the image of photography.
3. the mode by making projector space overlap completely with shooting space, make the coordinate space of the image of photography can with projection coordinate space completely the same, by identifying the operation input in the image of photography, can be applied directly in projected image, not needing coordinate conversion.
4. by polariscope, optical filter and the mode of operation of projection shooting time-division, the light of projection is separated with the light of shooting, thus make projection and shooting can co-operation in one apparatus, thus reach the object at utmost reducing plant bulk, this for the continuous miniaturization such as mobile phone equipment be very useful.
5. coordinated by the orthogonal polariscope in polarization direction and polaroid, the light of projection is separated with the light of shooting, thus make projection and make a video recording can co-operation and avoid projected light and affect imaging in one apparatus.
6. coordinated by low pass filter and infrared fileter, the light of projection is separated with the light of shooting, thus make projection and make a video recording can co-operation and avoid projected light and affect imaging in one apparatus.
7. by camera function and the mode of camera function time-division, the light of projection is separated with the light of shooting, thus make projection and make a video recording can in one apparatus and avoid projected light and affect imaging.
8. by spectroscope, the light of projection is assigned to the identical different panels of light path with the light of shooting, realize projection and shooting can co-operation in one apparatus.
These are only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (21)
1. a projection arrangement, it is characterized in that, comprise the first optical modulator component for projection light source being carried out modulating, optical modulation for being formed by described first optical modulator component becomes the projection panel of projected light and is used for described projected light to be projected to second optical modulator component on projecting plane, described projection arrangement also has the image-forming block for carrying out imaging to described projecting plane, the reflected light on described projecting plane arrives described image-forming block from described second optical modulator component or described second optical modulator component and the first optical modulator component, described image-forming block is arranged on described projection panel or independent of described projection panel and arranges.
2. projection arrangement as claimed in claim 1, it is characterized in that, described image-forming block is integrally formed on described projection panel; Described projection panel comprises projecting cell; Described image-forming block comprises photosensitive unit; Described projecting cell and described photosensitive unit matrix spread configuration.
3. projection arrangement as claimed in claim 2, it is characterized in that, described projection panel comprises monochromatic filter layer, transparent electrode layer, partial liquid crystal partly transparent layer, part reflecting part transmission layer, layer of polarizer and the Control of Voltage CMOS and photosensitive cmos layer that set gradually; Or described projection panel comprises monochromatic filter layer, transparent electrode layer, partial liquid crystal partly transparent layer, layer of polarizer, part reflecting part transmission layer and the Control of Voltage CMOS and photosensitive cmos layer that set gradually.
4. projection arrangement as claimed in claim 3, it is characterized in that, described partial liquid crystal partly transparent layer comprises liquid crystal lattice and the transparent grid of matrix arrangement, liquid crystal material is filled with in described liquid crystal lattice, described transparent grid is left a blank or is marked with transparent material, wherein said liquid crystal lattice are corresponding with described projecting cell, and described transparent grid is corresponding with described photosensitive unit.
5. projection arrangement as claimed in claim 3, is characterized in that, described part reflecting part transmission layer comprises reflection lattice and through lattice, wherein said reflection lattice are corresponding with described projecting cell, described corresponding with described photosensitive unit through lattice.
6. projection arrangement as claimed in claim 3, it is characterized in that, described first optical modulator component comprises the polariscope for the formation of polarized light, and the polarization direction of described layer of polarizer is vertical with the polarization direction of described polariscope.
7. projection arrangement as claimed in claim 3, it is characterized in that, described Control of Voltage CMOS and photosensitive cmos layer comprise Control of Voltage cmos cell lattice and photosensitive cmos cell lattice, wherein said Control of Voltage cmos cell lattice are corresponding with described projecting cell, and described photosensitive cmos cell lattice are corresponding with described photosensitive unit.
8. projection arrangement as claimed in claim 1, is characterized in that, described projection panel is one chip LCoS projection panel, and it comprises drop shadow red's unit, drop shadow green's unit and drop shadow blue's unit; Described image-forming block is integrally formed at described one chip LCoS and projects on panel, and it comprises red sensitive unit, green light sensitive unit and blue sensitive unit; Described drop shadow red unit, drop shadow green's unit, drop shadow blue's unit, red sensitive unit, green light sensitive unit and blue sensitive cell matrix spread configuration.
9. projection arrangement as claimed in claim 8, it is characterized in that, described projection panel comprises monochromatic filter layer, transparent electrode layer, partial liquid crystal partly transparent layer, part reflecting part transmission layer, layer of polarizer and the Control of Voltage CMOS and photosensitive cmos layer that set gradually; Or described projection panel comprises monochromatic filter layer, transparent electrode layer, partial liquid crystal partly transparent layer, layer of polarizer, part reflecting part transmission layer and the Control of Voltage CMOS and photosensitive cmos layer that set gradually;
Described partial liquid crystal partly transparent layer comprises liquid crystal lattice and the transparent grid of matrix arrangement, liquid crystal material is filled with in described liquid crystal lattice, described transparent grid is left a blank or is marked with transparent material, wherein said liquid crystal lattice and described drop shadow red unit, drop shadow green's unit, drop shadow blue's unit are corresponding, and described transparent grid is corresponding with described red sensitive unit, green light sensitive unit and blue sensitive unit;
Described part reflecting part transmission layer comprises reflection lattice and through lattice, wherein said reflection lattice and drop shadow red unit, drop shadow green's unit, drop shadow blue's unit are corresponding, described corresponding with described red sensitive unit, green light sensitive unit and blue sensitive unit through lattice;
Described first optical modulator component comprises the polariscope for the formation of polarized light, and the polarization direction of described layer of polarizer is vertical with the polarization direction of described polariscope;
Described Control of Voltage CMOS and photosensitive cmos layer comprise Control of Voltage cmos cell lattice and photosensitive cmos cell lattice, wherein said Control of Voltage cmos cell lattice and described drop shadow red unit, drop shadow green's unit, drop shadow blue's unit are corresponding, and described photosensitive cmos cell lattice are corresponding with described red sensitive unit, green light sensitive unit and blue sensitive unit.
10. projection arrangement as claimed in claim 9, it is characterized in that, the light path of described projection arrangement is as follows: the polariscope process of the projected light that projection light source sends in described first optical modulator component obtains polarized light, through spectroscope or dichronic mirror, light is assigned to one chip LCoS projection panel again, light carries out Image Coding through one chip LCoS projection panel and obtains red, green, blue, the lens combination of red, green, blue again in the second optical modulator component through coding is amplified, then project on projecting plane, form image.
11. projection arrangements as claimed in claim 1, is characterized in that, described image-forming block and the split of described projection panel are arranged, and described image-forming block comprises photosensitive panel, and the light on described projecting plane arrives described photosensitive panel from described second optical modulator component.
12. projection arrangements as claimed in claim 11, it is characterized in that, described projection panel is three-panel projection panel, it comprises red panel, green board and blue panel, its light path is as follows: light to be assigned to the red panel of three-panel projection panel, green board and blue panel through the first optical modulator component by projection light source, light carries out Image Coding through red panel, green board and blue panel and obtains red, green, blue, and the red, green, blue through encoding projects on projecting plane through the second optical modulator component and forms projected image; Surround lighting is thrown into photosensitive panel from described second optical modulator component and is formed into picture;
Or, described projection panel is single-panel projection panel, its light path is as follows: light is assigned to single-panel projection panel by projection light source in the first optical modulator component, light carries out Image Coding through single-panel projection panel and obtains red, green, blue, to project on projecting plane form projected image through the red, green, blue of coding through the second optical modulator component; Surround lighting is thrown into photosensitive panel through the second optical modulator component or the second optical modulator component and the first optical modulator component and is formed into picture by surround lighting.
13. projection arrangements according to any one of claim 1 to 12, it is characterized in that, described projection arrangement also comprises visible light source or/and infrared light supply.
14. projection arrangements as claimed in claim 13, is characterized in that, described first optical modulator component be included in that projected light source arranges only by the low pass filter of visible ray; Described projection panel end is provided with only by the infrared fileter of infrared light.
15. projection arrangements according to any one of claim 1 to 12, it is characterized in that, described projection arrangement have for read image that image-forming block obtains and according to the contrast adjustment of image the auto-focusing control module of the focal length of the second optical modulator component.
16. projection arrangements according to any one of claim 1 to 12, it is characterized in that, described projection arrangement has the self-adaptation projection module of the color value for reading image-generating unit in image-forming block the color value correction drop shadow effect according to image-generating unit.
17. projection arrangements as claimed in claim 16, it is characterized in that, described makeover process is as follows: the color value color value of the image needing projection being deducted image-generating unit.
18. projection arrangements according to any one of claim 1 to 12, is characterized in that, described projection arrangement has the image continuing to take according to image-forming block and carries out identifying the operation input control module carrying out operating focus identification.
19. projection arrangements according to any one of claim 1 to 12, is characterized in that, described projection arrangement comprises and synchronously or respectively carries out projecting and the time-division working control module of imaging for controlling described projection panel and image-forming block.
20. 1 kinds of projection arrangements, is characterized in that, comprise projection panel and image-forming block, described image-forming block is integrally formed on described projection panel; Described projection panel comprises projecting cell; Described image-forming block comprises photosensitive unit; Described projecting cell and described photosensitive unit matrix spread configuration.
The projection of the projection arrangement of 21. 1 kinds of employings according to any one of claim 1 to 19, image capture method, it is characterized in that, comprise the following steps: the light source of projected light arrives described projection panel through described first optical modulator component, projected light is projected to projecting plane by the second optical modulator component by described projection panel, the light on projecting plane arrives described image-forming block from described second optical modulator component or described second optical modulator component and the first optical modulator component, reads image-forming block to the imaging data on projecting plane.
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| CN104932670B (en) * | 2014-03-21 | 2018-10-12 | 联想(北京)有限公司 | Interactive projector equipment and preparation method thereof |
| JP6878816B2 (en) * | 2016-01-20 | 2021-06-02 | セイコーエプソン株式会社 | projector |
| CN107343185B (en) * | 2016-04-29 | 2022-06-17 | 中兴通讯股份有限公司 | Processing method and device of projection equipment and camera of projection equipment |
| CN107124663A (en) * | 2017-05-24 | 2017-09-01 | 谢利娟 | A kind of multifunctional pick-up head, interactive friend-making system and method |
| CN108551544A (en) * | 2018-06-04 | 2018-09-18 | Oppo广东移动通信有限公司 | CCD camera assembly and electronic equipment with it |
| WO2024001922A1 (en) * | 2022-06-27 | 2024-01-04 | 青岛海信激光显示股份有限公司 | Rojection image source correction method and ultra-short throw projection device |
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