CN208283710U - Lighting system and projection arrangement - Google Patents
Lighting system and projection arrangement Download PDFInfo
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- CN208283710U CN208283710U CN201820630930.9U CN201820630930U CN208283710U CN 208283710 U CN208283710 U CN 208283710U CN 201820630930 U CN201820630930 U CN 201820630930U CN 208283710 U CN208283710 U CN 208283710U
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Abstract
A kind of lighting system, including blue light source, excitation light source, the first recombination dichroic elements and Wavelength changing element.Blue light source is for providing light beam.Excitation light source is for providing excitation beam.First recombination dichroic elements are configured on the transmission path of light beam and excitation beam.Wavelength changing element is configured on the transmission path of excitation beam, is the light beam that is stimulated for converting excitation beam, wherein excitation beam passes through the first recombination dichroic elements to Wavelength changing element to be converted to the light beam that is stimulated.The light beam that is stimulated is transferred to the first recombination dichroic elements and reflects.The wavelength of light beam is greater than the wavelength of excitation beam, and blue light source and excitation light source are located at the same side of the first recombination dichroic elements.The lighting system and projection arrangement of the utility model can improve the partially purple problem of light beam.
Description
Technical field
The utility model relates to a kind of optical system and Optical devices, and in particular to a kind of lighting system and
Projection arrangement.
Background technique
Projection arrangement be it is a kind of for generating the display device of large scale picture, with the evolution and innovation of science and technology,
All the time in progress.The image-forming principle of projection arrangement is to be converted into illuminating bundle caused by lighting system by light valve
Image strip, then by image strip by projection lens projects to projection object (such as: on screen or metope), to form throwing
Shadow picture.
In addition, lighting system is also with market to projection arrangement brightness, color saturation, service life, asepsis environment-protecting etc.
It is required that belonging to ultrahigh pressure mercury lamp from ultra high performance light bulb (Ultra-high-performance lamp, UHP lamp) all the way
Bubble, light emitting diode (Light-emitting diode, LED) evolve to always current state-of-the-art laser diode
(laser diode, LD) light source.But in the illumination system, generating red, green light at present compared with the practice for meeting cost is to use indigo plant
Ray laser diode excites the fluorescent powder of fluorescence colour wheel to generate green-yellow light.Then, then via optical element by required feux rouges
Or green light filters out for using.
However, in well known illumination system structure, because of the blue light light that wavelength need to be used shorter in view of excitated fluorescent powder
Source, therefore blue is presented in projection that more partially purple color can be presented in human eye vision, and the partially purple influence vision of blue light is caused to imitate
The problem of fruit.
" background technique " is partially used only to help to understand the content of the present invention, therefore is taken off in " background technique " part
The content of dew may include some well-known techniques without constituting road known to those skilled in the art.In " background technique " part institute
The content of exposure does not represent the content or the utility model one or more embodiment problem to be solved, practical at this
It has been readily known to those persons skilled in the art or has recognized before novel application.
Utility model content
The utility model provides a kind of lighting system and projection arrangement, can improve the partially purple problem of light beam.
The other objects and advantages of the utility model can be obtained from the technical characteristic disclosed by the utility model into one
The understanding of step.
It is to propose one kind up to one of above-mentioned or part or all of purpose or other purposes, an embodiment of the utility model
Lighting system, including blue light source, excitation light source, the first recombination dichroic elements and Wavelength changing element.Blue light source is for providing
Light beam.Excitation light source is for providing excitation beam.First recombination dichroic elements are configured at the transmitting of light beam and excitation beam
On path.Wavelength changing element is configured on the transmission path of excitation beam, is the light beam that is stimulated for converting excitation beam,
Middle excitation beam is by the first recombination dichroic elements to Wavelength changing element to be converted to the light beam that is stimulated.The light beam that is stimulated is transferred to
One recombination dichroic elements simultaneously reflect.The wavelength of light beam is greater than the wavelength of excitation beam, and blue light source and excitation light source are located at the
The same side of one recombination dichroic elements.
It is up to one of above-mentioned or part or all of purpose or other purposes, another embodiment of the utility model proposes one
Kind projection arrangement, for providing projected light beam.Projection arrangement includes lighting system, at least a light valve and lens module.Illumination
System provides illuminating bundle.Lighting system includes blue light source, excitation light source, the first recombination dichroic elements and Wavelength changing element.
Blue light source is for providing light beam.Excitation light source is for providing excitation beam.First recombination dichroic elements are configured at light beam
And on the transmission path of excitation beam.Wavelength changing element is configured on the transmission path of excitation beam, for converting exciting light
Beam is the light beam that is stimulated, and wherein excitation beam passes through the first recombination dichroic elements to Wavelength changing element to be converted to the light beam that is stimulated.
The light beam that is stimulated is transferred to the first recombination dichroic elements and reflects.At least a light valve is configured on the transmission path of illuminating bundle, is used for
Illuminating bundle is converted into an at least image strip.Lens module is configured on at least transmission path of an image strip, is used for
An at least image strip is formed into projected light beam, wherein the wavelength of light beam is greater than the wavelength of excitation beam, and blue light source
And excitation light source is located at the same side of the first recombination dichroic elements.
Based on above-mentioned, the embodiments of the present invention at least have effects that following one of advantage or.It is practical new at this
In above-described embodiment of type, lighting system provides the blue light components of illuminating bundle using blue light source, and uses exciting light
Source is to provide the red light portion and green portions of illuminating bundle.Therefore, longer wavelengths of blue light source can be used to improve projection
The partially purple problem of blue light in picture, and then promote the optical quality of projection arrangement.
In order to make the above-mentioned features and advantages of the utility model more obvious and understandable, special embodiment below, and cooperate attached drawing
It is described in detail below.
Detailed description of the invention
Fig. 1 is the projection arrangement schematic diagram of an embodiment of the present invention.
Fig. 2A is the front-view schematic diagram of the Wavelength changing element of the projection arrangement of Fig. 1.
Fig. 2 B is the front-view schematic diagram of another Wavelength changing element of the projection arrangement of Fig. 1.
Fig. 3 A and Fig. 3 B are respectively the front-view schematic diagram of the filter element of the different embodiments of the projection arrangement of Fig. 1.
Fig. 4 A to Fig. 4 C is respectively the timing diagram of the different embodiments of the projection arrangement of Fig. 1.
Fig. 5 is the projection arrangement schematic diagram of another embodiment of the utility model.
Fig. 6 is the projection arrangement schematic diagram of another embodiment of the utility model.
Fig. 7 A, Fig. 7 B and Fig. 7 C are respectively that the forward sight of the Wavelength changing element of the different embodiments of the projection arrangement of Fig. 6 is shown
It is intended to.
Fig. 8 A, Fig. 8 B and Fig. 8 C are respectively the timing diagram of the different embodiments of the projection arrangement of Fig. 6.
Fig. 9 is the projection arrangement schematic diagram of another embodiment of the utility model.
Figure 10 is the projection arrangement schematic diagram of another embodiment of the utility model.
Figure 11 is the timing diagram of the projection arrangement of Figure 10.
Figure 12 is the projection arrangement schematic diagram of another embodiment of the utility model.
Specific embodiment
In relation to addressing other technologies content, feature and effect before the utility model, in following cooperation with reference to one of attached drawing
In the detailed description of preferred embodiment, can clearly it present.The direction term being previously mentioned in following embodiment, such as: upper,
Under, it is left and right, front or rear etc., be only the direction with reference to annexed drawings.Therefore, the direction term used is for illustrating not to use
To limit the utility model.
Fig. 1 is the projection arrangement schematic diagram of an embodiment of the present invention.Referring to FIG. 1, in the present embodiment, projection dress
Set 10 for provide a projected light beam LP.Specifically, projection arrangement 10 includes a lighting system 100, at least a light valve 50, one
Lens module 60 and even optical element 70, and lighting system 100 is for providing an illuminating bundle LB.Light valve 50 is configured at illumination light
On the transmission path of beam LB, for illuminating bundle LB to be converted into an at least image strip LI.Lens module 60 is configured at image
On the transmission path of light beam LI, for image strip LI to be formed projected light beam LP, and projected light beam LP is for being projected to one
Projection target (is not painted), such as a screen or a metope.
In the present embodiment, light valve 50 be, for example, liquid crystal cover silicon plate (Liquid Crystal On Silicon panel,
LCoS panel), the reflecting lights modulator such as digital micromirror elements (Digital Micro-mirror Device, DMD).In
In some embodiments, light valve 50 is also possible to light transmitting liquid crystal panel (Transparent Liquid Crystal Panel), electricity
Light modulator (Electro-Optical Modulator), maganeto-optic modulators (Maganeto-Optic modulator), acousto-optic
The penetration light modulators such as modulator (Acousto-Optic Modulator, AOM).Kenel of the utility model to light valve 50
And its type and without restriction.The method that illuminating bundle LB is converted to image strip LI by light valve 50, detailed step and reality
The mode of applying can be obtained enough teachings by the usual knowledge of technical field, suggest and implement to illustrate, therefore be repeated no more.
In the present embodiment, the quantity of light valve 50 is one, e.g. uses the projection arrangement 10 of individual digit micro-mirror element, but at it
It then can be multiple in his embodiment, the utility model is not limited to this.
Combination of the projection lens 60 for example including one or more optical mirror slips with diopter, it is saturating for example including concave-concave
The various combinations of the non-planar eyeglass such as mirror, biconvex lens, concave-convex lens, meniscus, plano-convex lens and plano-concave lens.Yu Yi
In embodiment, projection lens 60 can also include planar wave eyeglass, in reflection by the image strip LI from light valve 50
It is projected to projection target.The utility model is to the kenel and its type of projection lens 60 and without restriction.
Even optical element 70 is configured on the transmission path of illuminating bundle LB, for adjusting the light spot shape of illuminating bundle LB,
So that the light spot shape of illuminating bundle LB is able to cooperate the shape (such as: rectangle) of the workspace of light valve 50, and have hot spot everywhere
There are consistent or close luminous intensity, the luminous intensity of Uniform Illumination light beam LB.In the present embodiment, even optical element 70 is, for example, to integrate
Column, but in other embodiments, even optical element 70 is also possible to the optical element of other appropriate kenels, such as lens array is (again
Eyelens, fly eye lens array), the utility model is without being limited thereto.
In addition, in some embodiments, projection arrangement 10 also optionally includes reflecting element (mirror) 90.Reflection
Element 90 is for guiding the illuminating bundle LB that lighting system 100 issues to light valve 50.However, the utility model is without being limited thereto,
In other embodiments, other optical elements can also be used and guide illuminating bundle LB to light valve 50.
In the present embodiment, lighting system 100 includes a blue light source 110, an excitation light source 120, one first color separation member
Part 130, a Wavelength changing element 140 and a filter element 150.Specifically, blue light source 110 provides a light beam
L1, and excitation light source 120 provides an excitation beam L2.In the present embodiment, blue light source 110 and excitation light source 120 are laser
Diode (Laser Diode, LD), but in other embodiments, blue light source 110 and excitation light source 120 can be luminous two
Pole pipe (Light Emitting Diode, LED) or Organic Light Emitting Diode (Organic Light-Emitting
Diode, OLED).Specifically, all implementable according to the light source for meeting demand in actual design, the utility model is to blue light source
110, the kenel and its type of excitation light source 120 and the other light sources in subsequent explanation and without restriction.Wavelength changing element
140 be, for example, fluorescent wheel (phosphor wheel), and filter element 150 is, for example, colour wheel (color wheel).
In the present embodiment, excitation light source 120 is short wavelength's blue light source.In other words, light beam L1 is long wavelength
Light beam, and excitation beam L2 is short wavelength's light beam, the wavelength of light beam L1 is greater than the wavelength of excitation beam L2, lifts
For example, light beam L1 can be 460 nanometers of (nm) wavelength, and excitation beam L2 can be 445 nanometers of (nm) wavelength.Therefore, this reality
It applies long wavelength's light beam (i.e. light beam L1) in example for providing the blue light components of projected light beam LP, and short wavelength is blue
Light light beam (i.e. excitation beam L2) provides its of projected light beam LP for the wavelength conversion material of excitation wavelength conversion element 140
His coloured light, such as yellow, green, red light portion.In this way, can avoid the purple partially of blue light provided in well-known technique and cause picture
Purple problem partially, and then promote the optical quality of projection arrangement 10.
First recombination dichroic elements 130 are configured on the transmission path of light beam L1 and excitation beam L2, and blue light source 110
And excitation light source 120 is located at the same side of the first recombination dichroic elements 130.Blue light source 110 and Wavelength changing element 140 are located at first
The opposite two sides of recombination dichroic elements 130.In the present embodiment, the first recombination dichroic elements 130 are the dichronic mirror for reflecting yellow light
(Dichroic Mirror).However, the utility model is without being limited thereto, according to other embodiments, the first recombination dichroic elements 130 can also
Think other types or form, other embodiments explanation will be cooperated in subsequent paragraph below.
Fig. 2A is the front-view schematic diagram of the Wavelength changing element of the projection arrangement of Fig. 1.Fig. 1 and Fig. 2A is please referred to, in this reality
Apply in example, Wavelength changing element 140 is configured on the transmission path of excitation beam L2, and the first recombination dichroic elements 130 be set to it is sharp
Between light emitting source 120 and Wavelength changing element 140.Blue light source 110 and Wavelength changing element 140 are located at the first recombination dichroic elements
130 opposite sides.There is wavelength conversion material (such as fluorescent material, Phosphor on Wavelength changing element 140
Material), it is stimulated light beam L3 with converting excitation beam L2 as one.Specifically, Wavelength changing element 140 includes one first
Transition zone 142, one second transition zone 144 and an optics area 146, wherein the first transition zone 142 is used to turn excitation beam L2
It changes first into be stimulated light beam (yellow light), and the second transition zone 144 is used to excitation beam L2 being converted into second to be stimulated light beam
(green light).In the present embodiment, the first transition zone 142 is, for example, yellow light transition material, and the second transition zone 144 is, for example, green light
Transition material, but the utility model is not limited to this.
Fig. 2 B is the front-view schematic diagram of another Wavelength changing element of the projection arrangement of Fig. 1.It is different from the embodiment of Fig. 2A
, in the present embodiment, the optics area 146A of Wavelength changing element 140A further includes wavelength conversion material, wherein optics area
The wavelength conversion material of 146A is green light transition material, but the utility model is not limited to this.In the present embodiment, optics area
The wavelength conversion material of 146A can be identical as the wavelength conversion material concentration of the second transition zone 144, therefore the wave of optics area 146A
Excitation beam L2 is converted into green light by long transition material.In other embodiments, the concentration of wavelength conversion material can be different.It lifts
For example, concentration of the optics area 146 with wavelength conversion material has the dense of wavelength conversion material less than the second transition zone 144
Degree, therefore excitation beam L2 is converted into green light by the wavelength conversion material of optics area 146A.
Wherein the wavelength conversion material of optics area 146A is green light transition material, but the utility model is not limited to this.
Fig. 3 A and Fig. 3 B are respectively the front-view schematic diagram of the filter element of the different embodiments of the projection arrangement of Fig. 1.It please be first
With reference to Fig. 1 and Fig. 3 A, in the present embodiment, filter element 150 is configured at light beam L1 and the transmitting road for the light beam L3 that is stimulated
On diameter.Therefore, when excitation light source 120 starts, excitation beam L2 passes through the first recombination dichroic elements 130 to Wavelength changing element 140
To be converted to the light beam L3 that is stimulated, and the light beam L3 that is stimulated is transferred to the first recombination dichroic elements 130 and reflex to filter element 150 with
Generate feux rouges, green light or yellow light.Specifically, filter element 150 include one first filter area 152, one second filter area 154,
One diffusion region (diffusionsection) 156 and a transparent area 158, wherein the light beam L3 that is stimulated includes the first red light beam
L4 and green beam L5, and the first filter area 152, for passing through the first red light beam L4, the second filter area 154 is green for making
Light light beam L5 passes through.
In addition, in other embodiments, the diffusion region 156 of filter element 150 may also include optical filtering with reference to Fig. 3 A and Fig. 3 B
Coating, this filter coating is for allowing blue and green light or blueness (cyan) light to pass through.
Fig. 4 A to Fig. 4 C is respectively the timing diagram of the different embodiments of the projection arrangement of Fig. 1.Please also refer to Fig. 1, Fig. 2A,
Fig. 3 A and Fig. 4 A, in the present embodiment, when lighting system 100 has one first timing, one second timing, a third when being executed
Sequence and one the 4th timing, and blue light source 110 and excitation light source 120 respectively according to these timing be changed to open, close or
Electricity-saving state, and then make received light beam (the i.e. illuminating bundle provided by lighting system changed according to timing of light valve 50
LB), as depicted in Fig. 4 A.
Specifically, at the first timing (t0~t1 or t4~t5), blue light source 110 is in off state or economizes on electricity shape
State, and the first recombination dichroic elements 130 to the first of Wavelength changing element 140 are passed through by the excitation beam L2 that excitation light source 120 issues
Transition zone 142 is to generate a part (i.e. first be stimulated light beam) of the light beam L3 that is stimulated.As produced by Wavelength changing element 140
A part of the light beam L3 that is stimulated be transferred to the first recombination dichroic elements 130 and be reflected through the first filter area of filter element 150
152 to generate the red light portion (i.e. the first red light beam L4) of illuminating bundle LB.In addition, herein person skilled in the art it is found that
Electricity-saving state is defined as the weakened that light source is persistently opened but shone, or operating can just issue because light source needs a period of time
Light beam, although that is, light source have current or voltage light source do not issue light beam.
At the second timing (t1~t2 or t5~t6), blue light source 110 is in off state or electricity-saving state, and by exciting
Light source 120 issue excitation beam L2 by the first recombination dichroic elements 130 to Wavelength changing element 140 the second transition zone 144 with
Generate the another part (i.e. second be stimulated light beam) for the light beam L3 that is stimulated.It is stimulated as caused by Wavelength changing element 140
Another part of light beam L3 is transferred to the first recombination dichroic elements 130 and is reflected through the second filter area 154 of filter element 150 to produce
The green portions (i.e. green beam L5) of raw illuminating bundle LB.
At third timing (t2~t3 or t6~t7), excitation light source 120 is in off state or electricity-saving state, and by blue light
The light beam L1 that light source 110 issues passes through the diffusion region 156 of the first recombination dichroic elements 130 and filter element 150 sequentially to generate
The blue light components of illuminating bundle LB.Therefore, the blue light components of illuminating bundle LB can via by diffusion region 156 reach diffusion with
Homogenized effect, the blue light components that diffusion region 156 is used to eliminate illuminating bundle LB are irradiated to the laser facula on projection target
(laser speckle)。
At the 4th timing (t3~t4 or t7~t8), blue light source 110 is in off state or electricity-saving state, and by exciting
Light source 120 issue excitation beam L2 by the first recombination dichroic elements 130 to Wavelength changing element 140 the first transition zone 142 with
Generate a part (i.e. first be stimulated light beam) for the light beam L3 that is stimulated.The stimulated luminescence as caused by Wavelength changing element 140
A part of beam L3 is transferred to the first recombination dichroic elements 130 and is reflected through the transparent area 158 of filter element 150 to generate yellow light light
Beam (is not painted).Therefore, when four timing in the present embodiment, excitation light source 120 may further provide yellow light light beam extremely
Light valve 50 can further make projected light beam LP provided by projection arrangement 10 have preferable brightness and accurate color.
Then, Fig. 4 B is please referred to, in four timing of the above embodiments, blue light source 110 and excitation light source 120 can
It is simultaneously open state.Specifically, the light beam L1 issued by blue light source 110 sequentially passes through the first recombination dichroic elements 130
And the transparent area 158 of filter element 150 is to generate the blue light components of illuminating bundle LB.The exciting light issued by excitation light source 120
Beam L2 is generated to the first transition zone 142 of Wavelength changing element 140 by the first recombination dichroic elements 130 and is stimulated the one of light beam L3
Part, and a part for the light beam L3 that is stimulated as caused by Wavelength changing element 140 is transferred to the first recombination dichroic elements 130 and anti-
The transparent area 158 by filter element 150 is penetrated to generate yellow light light beam.In other words, in four timing, by blue light source
Yellow part provided by blue light components provided by 110 and excitation light source 120 will be mixed into white light.In this way, project
Projected light beam LP provided by device 10 has preferable brightness and optical quality.
Then, Fig. 1, Fig. 2A, Fig. 3 B and Fig. 4 C be please also refer to.It is unlike the embodiments above, in the present embodiment,
The filter element 150 of lighting system 100 is replaced by filter element 150A, and lighting system 100 only have the first timing (t0~
T1 or t3~t4), the second timing (t1~t2 or t4~t5) and third timing (t3~t4 or t5~t6), blue light source 110
And excitation light source 120 is changed to open, close or electricity-saving state according to these timing respectively, and then keep light valve 50 received according to
Timing and the light beam (i.e. illuminating bundle LB provided by lighting system) changed, as depicted in Fig. 4 C.
Specifically, the lighting system 100 of the present embodiment is in the execution side of the first timing, the second timing and third timing
Formula is similar to above-described embodiment in the executive mode of the first timing, the second timing and third timing, and only the two difference exists
In the filter element 150A of the present embodiment only includes the first filter area 152, the second filter area 154 and diffusion region 156.Therefore,
The lighting system 100 of the present embodiment provides that illuminating bundle LB's is red in the first timing, the second timing and third timing respectively
Light part, green portions and blue light components.Its detailed step and embodiment can be by the usual knowledge of technical field
Enough teachings are obtained, suggests and implements to illustrate, therefore are repeated no more.
It please also refer to Fig. 1, Fig. 2 B, Fig. 3 A and Fig. 4 A, in the present embodiment, lighting system 100 has one when being executed
First timing, one second timing, a third timing and one the 4th timing, and blue light source 110 and excitation light source 120 respectively according to
It is changed to unlatching, closing or electricity-saving state according to these timing, and then makes the received light beam changed according to timing of light valve 50 (i.e.
Illuminating bundle LB provided by lighting system), as depicted in Fig. 4 A.
Specifically, at the first timing (t0~t1 or t4~t5), blue light source 110 is in off state or economizes on electricity shape
State, and the first recombination dichroic elements 130 to the first of Wavelength changing element 140 are passed through by the excitation beam L2 that excitation light source 120 issues
Transition zone 142 is to generate a part (i.e. first be stimulated light beam) of the light beam L3 that is stimulated.As produced by Wavelength changing element 140
A part of the light beam L3 that is stimulated be transferred to the first recombination dichroic elements 130 and be reflected through the first filter area of filter element 150
152 to generate the red light portion (i.e. the first red light beam L4) of illuminating bundle LB.
At the second timing (t1~t2 or t5~t6), blue light source 110 is in off state or electricity-saving state, and by exciting
Light source 120 issue excitation beam L2 by the first recombination dichroic elements 130 to Wavelength changing element 140 the second transition zone 144 with
Generate the another part (i.e. second be stimulated light beam) for the light beam L3 that is stimulated.It is stimulated as caused by Wavelength changing element 140
Another part of light beam L3 is transferred to the first recombination dichroic elements 130 and is reflected through the second filter area 154 of filter element 150 to produce
The green portions (i.e. green beam L5) of raw illuminating bundle LB.
At third timing (t2~t3 or t6~t7), excitation light source 120 is open state, and blue light source 110 is to open
Open state.The optics that the excitation beam L2 that excitation light source 120 issues passes through the first recombination dichroic elements 130 to Wavelength changing element 140
Area 146A is to generate another part (i.e. third be stimulated light beam, for example, green light or green light) of the light beam L3 that is stimulated, and simultaneously
The light beam L1 issued with blue light source 110 is transferred to the diffusion region 156 of filter element 150, and therefore, third is stimulated light beam
It is used to generate the blue light components of illuminating bundle LB with light beam L1.In this way, the chromaticity coordinates of adjustable blue light makes projected light beam
The color of LP is more saturated, the color of image is really presented.
It is noted that in other embodiments, the intensity and blue light light of the excitation beam L2 that excitation light source 120 issues
The intensity for the light beam L1 that source 110 issues is identical, and the wavelength conversion material and the second transition zone 144 of the optics area 146A that arranges in pairs or groups
Wavelength conversion material concentration it is identical.In other embodiments, the intensity and blue light for the excitation beam L2 that excitation light source 120 issues
The intensity for the light beam L1 that light source 110 issues is identical, and there is collocation optics area 146A the concentration of wavelength conversion material to be different from
Second transition zone 144 has the concentration of wavelength conversion material.In other embodiments, the excitation beam that excitation light source 120 issues
The intensity of L2 is different from the intensity for the light beam L1 that blue light source 110 issues.For example, what excitation light source 120 issued swashs
The intensity of luminous beam L2 is less than the intensity for the light beam L1 that blue light source 110 issues, and collocation optics area 146A turns with wavelength
The concentration of conversion materials is identical to the concentration that the second transition zone 144 has wavelength conversion material.
In the above-described embodiments, its object is to can adjust the chromaticity coordinates of blue light to make the color of projected light beam LP more full
With the color of image is really presented.
At the 4th timing (t3~t4 or t7~t8), blue light source 110 is in off state or electricity-saving state, and by exciting
Light source 120 issue excitation beam L2 by the first recombination dichroic elements 130 to Wavelength changing element 140 the first transition zone 142 with
Generate a part (i.e. first be stimulated light beam) for the light beam L3 that is stimulated.The stimulated luminescence as caused by Wavelength changing element 140
A part of beam L3 is transferred to the first recombination dichroic elements 130 and is reflected through the transparent area 158 of filter element 150 to generate yellow light light
Beam (is not painted).Therefore, when four timing in the present embodiment, excitation light source 120 may further provide yellow light light beam extremely
Light valve 50 can further make projected light beam LP provided by projection arrangement 10 have preferable brightness and accurate color.It is in detail
Thin step and embodiment can be obtained enough teachings, suggestion by the usual knowledge of technical field and implement to illustrate, because
This is repeated no more.
Please continue to refer to Fig. 1, Fig. 3 A, Fig. 3 B and Fig. 4 A~Fig. 4 C, in the present embodiment, lighting system 100 further includes
One red-light source 160 and one second recombination dichroic elements 170.Red-light source 160 is, for example, red laser diode or feux rouges hair
Optical diode, for providing the second red light beam L6, the second recombination dichroic elements 170 are the dichronic mirror (Dichroic for reflecting feux rouges
Mirror) and light beam L1 is allowed to pass through, the second recombination dichroic elements 170 are configured at the biography of light beam L1 and the second red light beam L6
It passs on path.Red-light source 160 is opened in the first timing of above-mentioned any embodiment to provide one second red light beam L6, and the
Two red light beam L6 are transferred to the second recombination dichroic elements 170 to reflex to the first filter area 152, and then it is additional to provide illuminating bundle LB
Red light portion.In this way, which projection arrangement 10 is mentioned in the situation for emphasizing color representation (e.g. family's theater situation)
The projected light beam LP of confession has preferable color saturation and optical quality.In the present embodiment, red-light source 160 and second point
Color component 170 is between the first recombination dichroic elements 130 and filter element 150, but the utility model is not limited to this.
Fig. 5 is the projection arrangement schematic diagram of another embodiment of the utility model.Referring to FIG. 5, the projection of the present embodiment fills
The projection arrangement 10 that 10A is similar to Fig. 1 is set, only the two difference is, in the present embodiment, the red-light source of lighting system 100A
160 and second recombination dichroic elements 170 be located between blue light source 110 and the first recombination dichroic elements 130.Therefore, by 160 institute of red-light source
The the second red light beam L6 provided is transferred to the second recombination dichroic elements 170 to be reflected through the first recombination dichroic elements 130 and first and filter
Area 152, and then the additional red light portion of illuminating bundle LB is provided.
In addition, by Fig. 1 or Fig. 5, the first recombination dichroic elements 130 and the second recombination dichroic elements 170 are not parallel settings, first
The extension line of recombination dichroic elements 130 and the extension line shape of the second recombination dichroic elements 170 have angle, and generally 90 degree of this angle.
Fig. 6 is the projection arrangement schematic diagram of another embodiment of the utility model.Fig. 7 A and Fig. 7 B are respectively the projection dress of Fig. 6
The front-view schematic diagram of the Wavelength changing element for the different embodiments set.Fig. 8 A and Fig. 8 B are respectively the difference of the projection arrangement of Fig. 6
The timing diagram of embodiment.It please also refer to Fig. 6 to Fig. 8 B, the projection arrangement 20 of the present embodiment is similar to the projection arrangement 10 of Fig. 1.
Both only the difference is that, in the present embodiment, an at least light valve 50 for projection arrangement 20 includes one first light valve 52 and one
Second light valve 54 e.g. uses the projection arrangement 20 of two digital micromirror elements.Projection arrangement 20 further includes an at least color separation
Piece (Dichroic Mirror) 80, is configured at and is stimulated on the transmission path of light beam L3, for allowing the first red light beam L4 and green
The one of them of light light beam L5 passes through and is transferred to the first light valve 52, and wherein another one reflects through color separation film 80 and is transferred to
Two light valves 54.Lighting system 100B further includes a diffused component (diffuser) 180, is configured at the transmission path of light beam L1
On, for spreading uniform light beam L1.
Lighting system 100B have when being executed the first timing (t0~t1 or t2~t3) and the second timing (t1~t2 or
T3~t4), and blue light source 110 and excitation light source 120 are changed to unlatching, closing or electricity-saving state according to these timing respectively,
And then make the first light valve 52 and received light beam (the i.e. illumination provided by lighting system changed according to timing of the second light valve 54
Light beam LB), as depicted in Fig. 8 A.
Specifically, at the first timing (t0~t1 or t2~t3), blue light source 110 is in off state or economizes on electricity shape
State, and the first recombination dichroic elements 130 to the first of Wavelength changing element 140A are passed through by the excitation beam L2 that excitation light source 120 issues
Transition zone 142 is to generate the light beam L3 that is stimulated, as depicted in Fig. 7 A.Be stimulated light beam as caused by Wavelength changing element 140A
L3 is transferred to the first recombination dichroic elements 130 and is reflected through diffused component 180 to generate the red light portion and green light of illuminating bundle LB
Partially (i.e. the first red light beam L4 and green beam L5).
Then, the red light portion of above-mentioned illuminating bundle LB and green portions are transferred to color separation film 80, and illuminating bundle LB
Red light portion passes through color separation film 80 and is transferred to the first light valve 52, and the green portions of illuminating bundle LB reflect simultaneously through color separation film 80
It is transferred to the second light valve 54, as depicted in Fig. 8 A.Later, the first sub-image light caused by the first light valve 52 and the second light valve 54
Beam LI1 and the second sub-image light beam LI2 economic cooperation optical element 82 are whole and be transferred to lens module 60 for a part of image strip LI,
Namely light combination element 82 reflects the first sub-image light beam LI1 and the second sub-image light beam LI2 is allowed to penetrate and be transferred to camera lens mould
Block 60.However, in another embodiment, the red light portion of illuminating bundle LB can reflect through color separation film 80 and be transferred to the second light valve
54, and the green portions of illuminating bundle LB can pass through color separation film 80 and be transferred to the first light valve 52, but the utility model and unlimited
In this.
At the second timing (t1~t2 or t3~t4), excitation light source 120 is in off state or electricity-saving state, and by blue light
The light beam L1 that light source 110 issues passes through the first recombination dichroic elements 130 and diffused component 180 sequentially to generate illuminating bundle LB's
Blue light components, and pass through color separation film 80 and be transferred to the first light valve 52, as shown in Figure 8 A.In another embodiment, illuminating bundle
The blue light components of LB are transferred to the second light valve 54 by the reflection of color separation film 80, as shown in Figure 8 B.In addition, illuminating bundle LB
Blue light components can reach diffusion-homogenization via by diffused component 180.With reference to Fig. 6, Fig. 8 A and Fig. 8 B, in the present embodiment,
The blue light components of illuminating bundle LB are transferred to one that the first light valve 52 forms the first sub-image light beam LI1 by color separation film 80
Point, light combination element 82 allows a part of the first sub-image light beam LI1 to reflect and be transferred to lens module 60.In other embodiments
In, the blue light components of illuminating bundle LB can reflect by color separation film 80 and be transferred to the second light valve 54, and the utility model is also unlimited
In this.
In the present embodiment, Wavelength changing element 140A includes the first transition zone 142 and optics area 146.In the second timing
When (t1~t2 or t3~t4), this optics area 146 will not receive the excitation beam L2 from excitation light source 12, therefore, can save
Save partial wavelength conversion material.But in other embodiments, Wavelength changing element 140A is also replaced by Wavelength changing element
140B, only configuration has the first transition zone 142 of wavelength conversion material to simplify the manufacturing process of Wavelength changing element 140A, such as
Depicted in Fig. 7 B, the utility model is not limited to this.
With reference to Fig. 6, in the present embodiment, lighting system 100B can also further comprise red-light source 160 and second point
Color component 170.Second recombination dichroic elements 170 are the dichronic mirror (Dichroic Mirror) for reflecting feux rouges, and are configured at light beam
On the transmission path of L1 and the second red light beam L6.Red-light source 160 is opened in first timing of above-described embodiment to provide the
Two red light beam L6, and the second red light beam L6 is transferred to the second recombination dichroic elements 170 to reflex to diffused component 180, Jin Erti
For the additional red light portion of illuminating bundle LB.In this way, (e.g. family's theater feelings in the situation for emphasizing color representation
Border), projected light beam LP provided by projection arrangement 20 has preferable color saturation and optical quality.In the present embodiment,
Red-light source 160 and the second recombination dichroic elements 170 are between the first recombination dichroic elements 130 and diffused component 180, but the utility model
It is not limited to this.
Fig. 7 C is the front-view schematic diagram of the another Wavelength changing element of the projection arrangement of Fig. 6.It is different from the embodiment of Fig. 7 A
, in the present embodiment, the optics area 146 of Wavelength changing element 140C further includes wavelength conversion material, wherein optics area 146
Wavelength conversion material be green light transition material, but the utility model is not limited to this.In the present embodiment, optics area 146
Excitation beam L2 is converted into green light or green light by wavelength conversion material.But the utility model is not limited to this.
Please refer to Fig. 6, Fig. 7 C and Fig. 8 C, the projection arrangement 20 of the present embodiment.In the present embodiment, lighting system 100B
There is the first timing (t0~t1 or t2~t3) and the second timing (t1~t2 or t3~t4), and blue light source when being executed
110 and excitation light source 120 respectively according to these timing be changed to open, close or electricity-saving state, and then make the first light valve 52 and
The received light beam (i.e. illuminating bundle LB provided by lighting system) changed according to timing of second light valve 54, as Fig. 8 C is drawn
Show.
Specifically, at the first timing (t0~t1 or t2~t3), blue light source 110 is in off state or economizes on electricity shape
State, and the first recombination dichroic elements 130 to the first of Wavelength changing element 140C are passed through by the excitation beam L2 that excitation light source 120 issues
Transition zone 142 is to generate the light beam L3 that is stimulated, as depicted in Fig. 7 C.Be stimulated light beam as caused by Wavelength changing element 140C
L3 is transferred to the first recombination dichroic elements 130 and is reflected through diffused component 180 to generate the red light portion and green light of illuminating bundle LB
Partially (i.e. the first red light beam L4 and green beam L5).Then, the red light portion of above-mentioned illuminating bundle LB and green portions pass
It is handed to color separation film 80, and the red light portion of illuminating bundle LB passes through color separation film 80 and is transferred to the first light valve 52, and illuminating bundle
The green portions of LB reflect through color separation film 80 and are transferred to the second light valve 54, as depicted in Fig. 8 C.
At the second timing (t1~t2 or t3~t4), excitation light source 120 is open state, and blue light source 110 is to open
Open state.The optics that the excitation beam L2 that excitation light source 120 issues passes through the first recombination dichroic elements 130 to Wavelength changing element 140C
Area 146A to generate another part (i.e. third be stimulated light beam, for example, green light or green light) of the light beam L3 that is stimulated, while with
The light beam L1 that blue light source 110 issues is transferred to diffused component 180, to generate the blue light components of illuminating bundle LB, wherein
Light beam L1 passes through color separation film 80 and is transferred to the first light valve 52, and the another part for the light beam L3 that is stimulated (i.e. be excited by third
Shine beam, for example, green light or green light) it is then reflected by color separation film 80 and is transferred to the second light valve 54.In the above-described embodiments,
Its object is to can adjust the chromaticity coordinates of blue light to be saturated the color of projected light beam LP more, the face of image is really presented
Color.
Fig. 9 is the projection arrangement schematic diagram of another embodiment of the utility model.Referring to FIG. 9, the projection of the present embodiment fills
The projection arrangement 20 that 20A is similar to Fig. 6 is set, only the two difference is, in the present embodiment, the red-light source of lighting system 100C
160 and second recombination dichroic elements 170 be located between blue light source 110 and the first recombination dichroic elements 130.Therefore, by 160 institute of red-light source
The the second red light beam L6 provided is transferred to the second recombination dichroic elements 170 by reflection and by diffused component 180 and the first color separation
Element 130, and then the additional red light portion of illuminating bundle LB is provided.Diffused component 180 may be disposed at the second recombination dichroic elements 170 with
Between first recombination dichroic elements 130.
Figure 10 is the projection arrangement schematic diagram of another embodiment of the utility model.Figure 11 is the timing of the projection arrangement of Figure 10
Figure.It please also refer to Figure 10 and Figure 11, the projection arrangement 30 of the present embodiment is similar to the projection arrangement 20 of Fig. 6.Only the two is different
Place is that in the present embodiment, an at least light valve 50 for projection arrangement 30 includes the first light valve 52, the second light valve 54 and one
Third light valve 56 e.g. uses the projection arrangement 30 of three digital micromirror elements.In addition, in the present embodiment, due to blue light
Light source 110 and excitation light source 120 are not required to the change according to different timing and open, close or electricity-saving state, that is, blue light light
Source 110 and excitation light source 120 are synchronous for unlatching, closed state or electricity-saving state.And then make the first light valve 52, the second light valve 54
And third light valve 56 receives light beam (i.e. illuminating bundle LB provided by lighting system), as depicted in Figure 11.
Therefore illuminating bundle LB provided by lighting system 100B is by then generating mixed light beam L7 after even optical element 70.And
Mixed light beam L7 (for example, white light) can be by optical elements different in projection arrangement 30 (such as colour splitting prism (dichroic
Prism color separation effect)) is respectively formed and provides light beam L1, green beam L5 and the first red light beam L4 to first
Light valve 52, the second light valve 54 and third light valve 56, and then distinguished by the first light valve 52, the second light valve 54 and third light valve 56
It forms the first sub-image light beam LI1, the second sub-image light beam LI2 and third sub-image light beam LI3 and is transferred to lens module
60.In addition to this, with reference to Figure 10, in the present embodiment, the red-light source 160 and the second recombination dichroic elements 170 such as Fig. 6 be can configure
With in the situation for emphasizing color representation (e.g. family's theater situation) provide have preferable color saturation and optics product
The projected light beam LP of matter.Red-light source 160 and the second recombination dichroic elements 170 are configured to provide the method for the second red light beam L6,
To replace the first red light beam L4 being stimulated in light beam L3.Its detailed step and embodiment can be by technical fields
Usual knowledge obtains enough teachings, suggests and implement to illustrate, therefore repeats no more.
Figure 12 is the projection arrangement schematic diagram of another embodiment of the utility model.It please also refer to Figure 12, the present embodiment
Projection arrangement 30A is similar to the projection arrangement 30 of Figure 10.Both only the difference is that, in the present embodiment, lighting system
The red-light source 160 of 100C and the second recombination dichroic elements 170 are located between blue light source 110 and the first recombination dichroic elements 130.Therefore,
The second red light beam L6 as provided by red-light source 160 is transferred to the second recombination dichroic elements 170 to reflect and pass through diffused component
180 and first recombination dichroic elements 130, and then the additional red light portion of illuminating bundle LB is provided.Diffused component 180 is located at the second color separation
Between element 170 and the first recombination dichroic elements 130.
In conclusion the embodiments of the present invention at least have effects that following one of advantage or.It is practical new at this
In above-described embodiment of type, lighting system provides the blue light components of illuminating bundle using blue light source, and uses exciting light
Source is to provide the red light portion and green portions of illuminating bundle.Therefore, longer wavelengths of blue light source can be used to improve projection
The partially purple problem of blue light in picture, and then promote the optical quality of projection arrangement.
Only as described above, the only preferred embodiment of the utility model, when the utility model cannot be limited with this
The range of implementation, i.e., all simple equivalence changes made according to the utility model claims book and utility model content with repair
Change, all still belongs in the range that the utility model patent covers.In addition any embodiment or claim of the utility model are not necessary to
Reach the disclosed whole purpose of the utility model or advantage or feature.In addition, abstract and topic are intended merely to auxiliary patent text
Part search is used, and not is used to limit the interest field of the utility model.In addition, being referred in this specification or claim
" first ", the terms such as " second " only to name the title or the different embodiments of difference or range of element (element), and simultaneously
It is non-to be used to the quantitative upper limit of restriction element or lower limit.
Symbol description:
10,10A, 20,20A, 30,30A: projection arrangement
50: light valve
52: the first light valves
54: the second light valves
56: third light valve
60: lens module
70: even optical element
80: color separation film
82: light combination element
90: reflecting element
100,100A, 100B, 100C: lighting system
110: blue light source
120: excitation light source
130: the first recombination dichroic elements
140,140A, 140B, 140C: Wavelength changing element
142: the first transition zones
144: the second transition zones
146,146A: optics area
150,150A: filter element
152: the first filter areas
154: the second filter areas
156: diffusion region
158: transparent area
160: red-light source
170: the second recombination dichroic elements
180: diffused component
L1: light beam
L2: excitation beam
L3: be stimulated light beam
L4: the first red light beam
L5: green beam
L6: the second red light beam
L7: mixed light beam
LB: illuminating bundle
LI: image strip
LI1: the first sub-image light beam
LI2: the second sub-image light beam
LI3: third sub-image light beam
LP: projected light beam.
Claims (35)
1. a kind of lighting system, which is characterized in that the lighting system includes blue light source, excitation light source, the first recombination dichroic elements
And Wavelength changing element:
The blue light source is for providing light beam；
The excitation light source is for providing excitation beam；
First recombination dichroic elements are configured on the transmission path of the light beam and the excitation beam；And
The Wavelength changing element is configured on the transmission path of the excitation beam, is to be excited for converting the excitation beam
Shine beam, wherein the excitation beam is converted to described be excited to the Wavelength changing element by first recombination dichroic elements
Shine beam, and the light beam that is stimulated is transferred to first recombination dichroic elements and reflects, and the wavelength of the light beam is greater than described
The wavelength of excitation beam, and the blue light source and the excitation light source are located at the same side of first recombination dichroic elements.
2. lighting system as described in claim 1, which is characterized in that further include:
Filter element, is configured on the transmission path of the light beam and the light beam that is stimulated, and the filter element includes
First filter area, the second filter area and diffusion region, wherein the blue light source is in off state or economizes on electricity in the first timing
State, the excitation beam are transferred to the first transition zone of the Wavelength changing element to convert out first and be stimulated light beam, and
Described first be stimulated light beam by first filter area to generate the first red light beam, in the second timing, the blue light
Light source is in off state or electricity-saving state, and the excitation beam is transferred to the second transition zone of the Wavelength changing element to convert
Second be stimulated light beam out, and described second be stimulated light beam by second filter area to generate green beam, in third
When timing, the excitation light source is in off state or electricity-saving state, and the light beam passes through the diffusion region, wherein described
The light beam that is stimulated includes that described first light beam that is stimulated is stimulated light beam with described second.
3. lighting system as claimed in claim 2, which is characterized in that further include:
Red-light source, for providing the second red light beam；And
Second recombination dichroic elements are configured on the light beam and the transmission path of second red light beam, wherein described red
Radiant is opened in first timing, and to be transferred to second recombination dichroic elements described to reflex to for second red light beam
First filter area of filter element.
4. lighting system as claimed in claim 3, which is characterized in that the red-light source and second recombination dichroic elements are located at
Between the blue light source and first recombination dichroic elements.
5. lighting system as claimed in claim 3, which is characterized in that first recombination dichroic elements and second recombination dichroic elements
It is not parallel setting, the extension line of the extension line of first recombination dichroic elements and second recombination dichroic elements forms angle.
6. lighting system as claimed in claim 2, which is characterized in that the filter element further includes transparent area, at the 4th
When sequence, the excitation beam is by first transition zone of first recombination dichroic elements to the Wavelength changing element to convert
The light beam that is stimulated out, and the light beam that is stimulated passes through the transparent area.
7. lighting system as described in claim 1, which is characterized in that the Wavelength changing element further includes optics area, described
Optics area does not receive the excitation beam.
8. lighting system as described in claim 1, which is characterized in that the Wavelength changing element further includes optics area, described
Optics area has wavelength conversion material.
9. lighting system as claimed in claim 8, which is characterized in that further include:
Filter element, is configured on the transmission path of the light beam and the light beam that is stimulated, and the filter element includes
First filter area, the second filter area and diffusion region, wherein the blue light source is in off state or economizes on electricity in the first timing
State, the excitation beam are transferred to the first transition zone of the Wavelength changing element to convert out first and be stimulated light beam, and
Described first be stimulated light beam by first filter area to generate the first red light beam, in the second timing, the blue light
Light source is in off state or electricity-saving state, and the excitation beam is transferred to the second transition zone of the Wavelength changing element to convert
Second be stimulated light beam out, and described second be stimulated light beam by second filter area to generate green beam, in third
When timing, the excitation light source is open state, and the blue light source is to open, and the excitation beam passes through first color separation
Element generates third and is stimulated light beam to the optics area of the Wavelength changing element, while passing with the light beam L1
It is handed to the diffusion region, and passes through the diffusion region.
10. lighting system as described in claim 1, which is characterized in that further include:
Diffused component is configured on the transmission path of the light beam, wherein the blue light source is to close in the first timing
Closed state or electricity-saving state, the first conversion that the excitation beam passes through first recombination dichroic elements to the Wavelength changing element
Area is to convert out the light beam that is stimulated, and the light beam transmitting that is stimulated reflexes to the diffusion through first recombination dichroic elements
Element, in the second timing, the excitation light source is in off state or electricity-saving state, and the light beam passes through described first point
Color component and the diffused component, wherein the stimulated luminescence beam includes the first red light beam and green beam.
11. lighting system as claimed in claim 10, which is characterized in that the Wavelength changing element further includes optics area, institute
It states optics area and does not receive the excitation beam.
12. lighting system as claimed in claim 8, which is characterized in that further include:
Diffused component is configured on the transmission path of the light beam, wherein the blue light source is to close in the first timing
Closed state or electricity-saving state, the first conversion that the excitation beam passes through first recombination dichroic elements to the Wavelength changing element
Area is to convert out the light beam that is stimulated, and the light beam transmitting that is stimulated reflexes to the diffusion through first recombination dichroic elements
Element, in the second timing, the excitation light source is open state, and the blue light source is open state, the exciting light
Beam is converted out third by the optics area of first recombination dichroic elements to the Wavelength changing element and is stimulated light beam, and
The third light beam transmitting that is stimulated through first recombination dichroic elements reflexes to the diffused component, and the light beam passes through institute
It states the first recombination dichroic elements and is transferred to the diffused component.
13. lighting system as claimed in claim 10, which is characterized in that further include:
Red-light source, for providing the second red light beam；And
Second recombination dichroic elements are configured on the light beam and the transmission path of second red light beam, wherein described red
Radiant is opened in first timing, and to be transferred to second recombination dichroic elements described to reflex to for second red light beam
Diffused component.
14. lighting system as claimed in claim 13, which is characterized in that the red-light source and second recombination dichroic elements
Between the diffused component and first recombination dichroic elements.
15. lighting system as claimed in claim 13, which is characterized in that the red-light source, second recombination dichroic elements with
And the diffused component is between the blue light source and first recombination dichroic elements.
16. lighting system as described in claim 1, which is characterized in that it is described be stimulated light beam include the first red light beam and
Green beam, the lighting system further include:
Red-light source, for providing the second red light beam；
Diffused component is configured on the light beam and the transmission path of second red light beam；And
Second recombination dichroic elements are configured on the light beam and the transmission path of second red light beam, and are located at described
Between blue light source and the diffused component, wherein the blue light source, the excitation light source and the red-light source are simultaneously
Open state, closed state or electricity-saving state.
17. lighting system as described in claim 1, which is characterized in that the light beam is the blue light light of 460 nano wave lengths
Beam, and the excitation beam is the light beam of 445 nano wave lengths.
18. lighting system as described in claim 1, which is characterized in that the blue light source and the Wavelength changing element position
In the opposite side of first recombination dichroic elements.
19. a kind of projection arrangement, which is characterized in that the projection arrangement is for providing projected light beam, including lighting system, at least
One light valve and lens module:
The lighting system provides illuminating bundle, including blue light source, excitation light source, the first recombination dichroic elements and wavelength convert member
Part:
The blue light source is for providing light beam；
The excitation light source is for providing excitation beam；
First recombination dichroic elements are configured on the transmission path of the light beam and the excitation beam；And
The Wavelength changing element is configured on the transmission path of the excitation beam, is to be excited for converting the excitation beam
Shine beam, and the excitation beam is converted to the stimulated luminescence to the Wavelength changing element by first recombination dichroic elements
Beam, the light beam that is stimulated are transferred to first recombination dichroic elements and reflect；
An at least light valve is configured on the transmission path of the illuminating bundle, for the illuminating bundle to be converted at least
One image strip；And
The lens module is configured on at least transmission path of an image strip, for an at least image strip by described in
The projected light beam is formed, wherein the wavelength of the light beam is greater than the wavelength of the excitation beam, and the blue light source
And the excitation light source is located at the same side of first recombination dichroic elements.
20. projection arrangement as claimed in claim 19, which is characterized in that the quantity of an at least light valve is one, described
Lighting system further includes filter element, is configured on the transmission path of the light beam and the light beam that is stimulated, the filter
Optical element includes the first filter area, the second filter area and diffusion region, wherein the blue light source is to close in the first timing
State or electricity-saving state, the first transition zone that the excitation beam is transferred to the Wavelength changing element are excited with converting out first
Shine beam, and described first be stimulated light beam by first filter area to generate the first red light beam, in the second timing,
The blue light source is in off state or electricity-saving state, and the excitation beam is transferred to the second conversion of the Wavelength changing element
Area is stimulated light beam with converting out second, and described second be stimulated light beam by second filter area to generate green light light
Beam, in third timing, the excitation light source is in off state or electricity-saving state, and the light beam passes through the diffusion
Area, wherein the stimulated luminescence beam includes that described first light beam that is stimulated is stimulated light beam with described second.
21. projection arrangement as claimed in claim 20, which is characterized in that the lighting system further includes red-light source and
Two recombination dichroic elements, the red-light source are configured at the blue light light for providing the second red light beam, second recombination dichroic elements
On beam and the transmission path of second red light beam, wherein the red-light source is opened in first timing, and described
Two red light beams are transferred to second recombination dichroic elements to reflex to first filter area of the filter element.
22. projection arrangement as claimed in claim 21, which is characterized in that the red-light source and second recombination dichroic elements position
Between the blue light source and first recombination dichroic elements.
23. projection arrangement as claimed in claim 20, which is characterized in that the filter element further includes transparent area, the 4th
When timing, the excitation beam is by first transition zone of first recombination dichroic elements to the Wavelength changing element to turn
It swaps out and described first is stimulated light beam, and described first light beam that is stimulated passes through the transparent area.
24. projection arrangement as claimed in claim 19, which is characterized in that the Wavelength changing element further includes optics area, institute
It states optics area and does not receive the excitation beam.
25. projection arrangement as claimed in claim 19, which is characterized in that the Wavelength changing element further includes optics area, institute
Optics area is stated with wavelength conversion material.
26. projection arrangement as claimed in claim 25, which is characterized in that the quantity of an at least light valve is one, described
Lighting system further includes filter element, is configured on the transmission path of the light beam and the light beam that is stimulated, the filter
Optical element includes the first filter area, the second filter area and diffusion region, wherein the blue light source is to close in the first timing
State or electricity-saving state, the first transition zone that the excitation beam is transferred to the Wavelength changing element are excited with converting out first
Shine beam, and described first be stimulated light beam by first filter area to generate the first red light beam, in the second timing,
The blue light source is in off state or electricity-saving state, and the excitation beam is transferred to the second conversion of the Wavelength changing element
Area is stimulated light beam with converting out second, and described second be stimulated light beam by second filter area to generate green light light
Beam, in third timing, the excitation light source is open state, and the blue light source is to open, and the excitation beam passes through institute
The first recombination dichroic elements are stated to the optics area of the Wavelength changing element, third is generated and is stimulated light beam, at the same with the indigo plant
Light light beam L1 is transferred to the diffusion region, and passes through the diffusion region.
27. projection arrangement as claimed in claim 19, which is characterized in that an at least light valve includes the first light valve and second
Light valve, the lighting system further include diffused component, are configured on the transmission path of the light beam, wherein in the first timing
When, the blue light source is in off state or electricity-saving state, and the light beam transmitting that is stimulated is anti-through first recombination dichroic elements
It is incident upon the diffused component and passes through, in the second timing, the excitation light source is in off state or electricity-saving state, and the indigo plant
For light light beam by first recombination dichroic elements and the diffused component, the light beam that is stimulated includes the first red light beam and green light
Light beam.
28. projection arrangement as claimed in claim 27, which is characterized in that the Wavelength changing element further includes optics area, institute
It states optics area and does not receive the excitation beam.
29. projection arrangement as claimed in claim 25, which is characterized in that the lighting system further includes diffused component, configuration
In on the transmission path of the light beam, wherein the blue light source is in off state or electricity-saving state in the first timing,
The excitation beam by first recombination dichroic elements converted out to the first transition zone of the Wavelength changing element it is described by
Excitation beam, and the light beam transmitting that is stimulated reflexes to the diffused component through first recombination dichroic elements, in the second timing
When, the excitation light source is open state, and the blue light source is open state, and the excitation beam passes through described first point
Color component converts out third to the optics area of the Wavelength changing element and is stimulated light beam, and the third stimulated luminescence
Beam transmitting reflexes to the diffused component through first recombination dichroic elements, the light beam by first recombination dichroic elements simultaneously
It is transferred to the diffused component.
30. projection arrangement as claimed in claim 27, which is characterized in that the lighting system further includes red-light source and
Two recombination dichroic elements, the red-light source are configured at the blue light light for providing the second red light beam, second recombination dichroic elements
On beam and the transmission path of second red light beam, wherein the red-light source is opened in first timing, and described
Two red light beams are transferred to second recombination dichroic elements to reflex to the diffused component.
31. projection arrangement as claimed in claim 30, which is characterized in that the red-light source, second recombination dichroic elements with
And the diffused component is between the blue light source and first recombination dichroic elements.
32. projection arrangement as claimed in claim 19, which is characterized in that further include:
An at least color separation film, be configured at it is described be stimulated on the transmission path of light beam, for allowing first red light beam and institute
The one of them for stating green beam passes through and is transferred to first light valve, and wherein another one is anti-through an at least color separation film
It penetrates and is transferred to second light valve.
33. projection arrangement as claimed in claim 19, which is characterized in that it is described be stimulated light beam include the first red light beam and
Green beam, an at least light valve include the first light valve, the second light valve and third light valve, and the lighting system further includes feux rouges
Light source, diffused component and the second recombination dichroic elements, the red-light source are matched for providing the second red light beam, the diffused component
It is placed on the light beam and the transmission path of second red light beam, second recombination dichroic elements are configured at the blue light
On light beam and the transmission path of second red light beam, and between the blue light source and the diffused component, wherein
The blue light source, the excitation light source and the red-light source are simultaneously open state, closed state or electricity-saving state.
34. projection arrangement as claimed in claim 33, which is characterized in that the red-light source, second recombination dichroic elements with
And the diffused component is between the blue light source and first recombination dichroic elements.
35. projection arrangement as claimed in claim 19, which is characterized in that further include:
Even optical element is configured on the transmission path of the light beam and the light beam that is stimulated.
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|---|---|---|---|
| CN201820630930.9U CN208283710U (en) | 2018-04-28 | 2018-04-28 | Lighting system and projection arrangement |
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| CN201820630930.9U CN208283710U (en) | 2018-04-28 | 2018-04-28 | Lighting system and projection arrangement |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN109887905B (en) * | 2019-01-30 | 2020-12-11 | 浙江英特来光电科技有限公司 | Packaging method of full-color LED |
| CN110244505A (en) * | 2019-07-01 | 2019-09-17 | 吕素萍 | A kind of solution speckle mixed light source |
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