CN204178055U - Light splitting Multiplexing apparatus and projection display system - Google Patents
Light splitting Multiplexing apparatus and projection display system Download PDFInfo
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- CN204178055U CN204178055U CN201420562259.0U CN201420562259U CN204178055U CN 204178055 U CN204178055 U CN 204178055U CN 201420562259 U CN201420562259 U CN 201420562259U CN 204178055 U CN204178055 U CN 204178055U
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Abstract
The utility model discloses a kind of light splitting Multiplexing apparatus and projection display system.Wherein, light splitting Multiplexing apparatus comprises: light splitting part, for carrying out light-splitting processing to the light of light source outgoing, the light of light source outgoing comprises primary lights to be corrected and wide spectrum optical, wherein, light splitting part comprises the first spectro-film, the light of light source outgoing is divided into the first light along the first optical channel transmission to photomodulator and the second light along the second optical channel transmission to photomodulator by the first spectro-film, wherein the first light is the mixed light of a part in wide spectrum optical and primary lights to be corrected, and the second light is the light of the remainder in wide spectrum optical; And close light parts, for carrying out the process of conjunction light to the light after light modulator modulates.By the utility model, solve the problem of the primary lights that cannot be met Projection Display standard in prior art, reach the effect primary lights in light source being corrected to the primary lights being met Projection Display standard.
Description
Technical field
The utility model relates to field of projection display, in particular to a kind of light splitting Multiplexing apparatus and projection display system.
Background technology
At present, solid state light emitter is applied to illumination and display field more and more widely.Wherein, for field of projection display, solid state light emitter excitated fluorescent powder is usually adopted to produce Stimulated Light, using the Stimulated Light of generation as projection light source.Because the energy density of the solid state light emitters such as laser is high, therefore the Stimulated Light brightness of its excitated fluorescent powder generation is high, and therefore, this technology is widely applied in field of projection display.
General employing predominant wavelength is about 445nm blue light as exciting light, and its chromaticity coordinates is about (0.15,0.016), has the advantage that cost is low.But in international digital television standard Rec709, the chromaticity coordinates of ethereal blue light is (0.15,0.06), and its predominant wavelength is 462nm.Therefore, in order to reach Projection Display standard as Rec709 standard, laser fluorescence powder technology can adopt two kinds of blue lasers as projection light source.One is lower-cost blue laser, for exciting the primary lights except blue primaries light; Another kind of be about 462nm for predominant wavelength, chromaticity coordinates is the blue laser of (0.15,0.06), for generation of blue primaries light.This technology has been widely applied in projection display system, and existing projection display system is mostly the laser fluorescence powder projection display system of three-chip type spatial modulator (Spatial Light Modulator, referred to as SLM).Three-chip type SLM laser fluorescence powder projection display system mainly contains three kinds of technology, be respectively three Digital Micromirror Device (Digital Micromirror Device, referred to as DMD), three liquid crystal display (Liquid Crystal Display, referred to as LCD) and the attached silicon of three liquid crystal (Liquid Crystal on Silicon, referred to as LCoS).
Inventor finds, when the light exported light source carries out point light, usually by the primary lights light splitting of same color on different photomodulators, cause the primary lights that cannot be met Projection Display standard.
For the problem of primary lights that cannot be met Projection Display standard in prior art, at present effective solution is not yet proposed.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of light splitting Multiplexing apparatus and projection display system, to solve the problem of the primary lights that cannot be met Projection Display standard in prior art.
To achieve these goals, according to an aspect of the present utility model, a kind of light splitting Multiplexing apparatus is provided.Comprise according to light splitting Multiplexing apparatus of the present utility model: light splitting part, for carrying out light-splitting processing to the light of light source outgoing, the light of described light source outgoing comprises primary lights to be corrected and wide spectrum optical, wherein, described light splitting part comprises the first spectro-film, the light of described light source outgoing is divided into the first light along the first optical channel transmission to photomodulator and along the second optical channel transmission to the second light of described photomodulator by described first spectro-film, wherein the first light is the mixed light of a part in described wide spectrum optical and described primary lights to be corrected, described second light is the light of the remainder in described wide spectrum optical, and close light parts, for carrying out the process of conjunction light to the light after described light modulator modulates.
Further, described light splitting part also comprises the second spectro-film, described second spectro-film the second light along the second optical channel transmission is divided into the 3rd light along the 3rd optical channel transmission to described photomodulator and along the 4th optical channel transmission to the 4th light of described photomodulator, described 3rd light and the 4th light are primary lights.
Further, described conjunction light parts comprise the first conjunction light film and second and close light film, described second closes light film carries out the process of conjunction light to the 3rd light after described light modulator modulates and the 4th light after described light modulator modulates, and described first closes light film carries out the process of conjunction light to the light after described first light and described first conjunction light film conjunction light process.
Further, described light splitting Multiplexing apparatus comprises adjacent successively the first prism, the second prism and prism, the interface of described first prism and the second prism is provided with primary diaphragm, the interface of described second prism and prism is provided with secondary diaphragm, described first spectro-film and described first closes light film and is described primary diaphragm, and described second spectro-film and described second closes light film and is described secondary diaphragm.
Further, described light splitting part comprises the first optical filter being provided with described first spectro-film and the second optical filter being provided with described second spectro-film.
Further, described conjunction light parts comprise the 3rd optical filter being provided with described first conjunction light film and the 4th optical filter being provided with described second conjunction light film.
Further, described primary lights to be corrected are blue light, and described wide spectrum optical is gold-tinted or green glow.
Further, the part in described wide spectrum optical is described gold-tinted or the green glow medium wave band light near the default wave band of described blue light.
To achieve these goals, according to another aspect of the present utility model, provide a kind of projection display system.Comprise photomodulator according to projection display system of the present utility model, also comprise: light source, comprise the light of primary lights to be corrected and wide spectrum optical for outgoing; And above-mentioned light splitting Multiplexing apparatus.
Further, described light source comprises: excitation source, for exporting exciting light; And wavelength shifter, for described exciting light is converted to Stimulated Light, and outgoing comprises the light of primary lights to be corrected and wide spectrum optical, described in comprise primary lights to be corrected and wide spectrum optical light be described Stimulated Light and the mixed light of the exciting light do not changed by described wavelength shifter.
Further, described excitation source adopts blue laser, and the blue light of described exciting light to be predominant wavelength be 445nm, described wavelength shifter comprises yellow wavelengths transition material or green wavelength transition material.
Further, described photomodulator comprises the first photomodulator, the second photomodulator and the 3rd photomodulator, described first photomodulator is modulated the light along the first optical channel transmission, described second photomodulator is modulated the light along the 3rd optical channel transmission, and described 3rd photomodulator is modulated the light along the 4th optical channel transmission.
According to the utility model embodiment, by adopting light splitting Multiplexing apparatus, this light splitting Multiplexing apparatus comprises: light splitting part, for carrying out light-splitting processing to the light of light source outgoing, the light of light source outgoing comprises primary lights to be corrected and wide spectrum optical, wherein, light splitting part comprises the first spectro-film, the light of light source outgoing is divided into the first light along the first optical channel transmission to photomodulator and the second light along the second optical channel transmission to photomodulator by the first spectro-film, wherein the first light is the mixed light of a part in wide spectrum optical and primary lights to be corrected, second light is the light of the remainder in wide spectrum optical, and close light parts, for carrying out the process of conjunction light to the light after light modulator modulates.The first spectro-film is utilized to intercept the primary lights to be corrected in the light of light source output and a part of light in wide spectrum optical, be met the primary lights of Projection Display standard, export photomodulator to, thus solve the problem of the primary lights that cannot be met Projection Display standard in prior art, reach the effect primary lights in light source being corrected to the primary lights being met Projection Display standard.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of the light splitting Multiplexing apparatus according to the utility model embodiment;
Fig. 2 is the schematic diagram of the projection display system according to the utility model first embodiment;
Fig. 3 is the schematic diagram intercepting wavelength according to the filter coating of the utility model embodiment;
Fig. 4 is the spectrum schematic diagram of the blue light after intercepting according to the filter coating of the utility model embodiment; And
Fig. 5 is the structural representation of second projection display system of following according to the utility model embodiment.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
The utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
It should be noted that, term " first ", " second " etc. in instructions of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged, in the appropriate case so that embodiment of the present utility model described herein.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those components and parts that the system of a series of components and parts, product or equipment are not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other components and parts of these systems, product or equipment.
The utility model embodiment provides a kind of light splitting Multiplexing apparatus.
Fig. 1 is the schematic diagram of the light splitting Multiplexing apparatus according to the utility model embodiment.As shown in Figure 1, this light splitting Multiplexing apparatus 10 comprises light splitting part 101 and closes light parts 102.
Light splitting part 101 is for carrying out light-splitting processing to the light of light source outgoing, the light of light source outgoing comprises primary lights to be corrected and wide spectrum optical, wherein, light splitting part comprises the first spectro-film (not shown), the light of light source outgoing is divided into the first light along the first optical channel transmission to photomodulator 20 and along the second optical channel transmission to the second light of photomodulator 20 by the first spectro-film, wherein the first light is the mixed light of a part in wide spectrum optical and primary lights to be corrected, this first light is the primary lights meeting Projection Display standard, second light is the light of the remainder in wide spectrum optical.Close light parts 102 for carrying out the process of conjunction light to the light after light modulator modulates.
The light of light source outgoing can be white light, also can be the mixed light of blue light and green glow.Primary lights to be corrected are primary lights to be corrected, and these primary lights to be corrected can be the primary lights not meeting Projection Display standard, and such as predominant wavelength is the blue light of 445nm.Wide spectrum optical can be primary lights, such as green glow, also can be other color of light, such as gold-tinted.Particularly, wide spectrum optical is the wider and continuous print light of spectral range, and such as, spectral range is greater than 10nm and spectrum continuous print light.Wide spectrum optical can be LED light, also can be the fluorescence etc. that excitation fluorescent powder produces.To be separated by between the wavelength that primary lights to be corrected have and the wavelength had of wide spectrum optical certain wave band.First spectro-film is used for the light of light source outgoing to be divided into the first light along the first optical channel transmission and the second light along the second optical channel transmission, wherein, first light is the mixed light be mixed to get by the light of a part of wave band in primary lights to be corrected and wide spectrum optical, second light is the light of the remainder outside the part that mixes with primary lights to be corrected in wide spectrum optical, that is to say, in wide spectrum optical, the light of a part of wave band mixes with primary lights to be corrected, is met primary lights i.e. the first light or the mixed light of Projection Display standard.Here a part for wide spectrum optical refers to the light of wide spectrum optical medium wave band near the default wave band of primary lights to be corrected.First light is along the first optical channel transmission to photomodulator, and the light of another part wave band is then along the second optical channel transmission to photomodulator.Wherein, the photomodulator receiving the first light is different photomodulators from the photomodulator receiving the second light.
Like this, after the first spectro-film light splitting, a part for primary lights to be corrected and wide spectrum optical is intercepted out, is finally met the primary lights of Projection Display standard (as digital television standard Rec709).Such as, when primary lights to be corrected are blue light, when wide spectrum optical is gold-tinted, as shown in Figure 3, wherein, horizontal ordinate represents wavelength, and left side ordinate represents the relative intensity of light, and right side coordinate represents reflectivity.The light that curve 601 exports for light source, the wavelength that curve 602 intercepts for filter coating, wherein, only predominant wavelength shown in the primary peak of curve 601 is the blue light of 445nm, light shown in secondary peak is the gold-tinted of wide range, by the first spectro-film by short wavelength's portion intercepts of blue light and gold-tinted out, the blue light of standard Rec709 is met.The wave band that curve 602 comprises is by the wave band that the first spectro-film intercepts in the utility model embodiment, such as, and 0 ~ 530nm.
According to the utility model embodiment, the primary lights to be corrected in the light of light source output and a part of light in wide spectrum optical is intercepted by adopting the first spectro-film, be met the primary lights of Projection Display standard, export photomodulator to, thus solve the problem of the primary lights that cannot be met Projection Display standard in prior art, reach the effect primary lights in light source being corrected to the primary lights being met Projection Display standard.
Preferably, light splitting part also comprises the second spectro-film, the second light along the second optical channel transmission is divided into the 3rd optical channel transmission to the 3rd light of photomodulator and the 4th light along the 4th optical channel transmission to photomodulator by the second spectro-film, and the 3rd light and the 4th light are primary lights.Second spectro-film is used for the second light to be divided into respectively along the 3rd light of the 3rd optical channel transmission and the 4th light along the 4th optical channel transmission.When wide spectrum optical comprises for gold-tinted, the 3rd light can be green glow, and the 4th light can be ruddiness.The 3rd light after light splitting and the 4th light can be the primary lights meeting Projection Display standard, like this, just can be met three kinds of primary lights of Projection Display standard.
Preferably, close light parts and comprise the first conjunction light film and the second conjunction light film, second closes light film carries out the process of conjunction light to the 3rd light after light modulator modulates and the 4th light after light modulator modulates, and first closes light film carries out the process of conjunction light to the light after the first light and the first conjunction light film conjunction light process.
According to the utility model embodiment, utilize the first conjunction light film and second to close light film and the process of conjunction light is carried out to the light after modulation, the primary lights comprised due to the light after closing light are the primary lights meeting Projection Display standard, may be used for carrying out three-dimensional imaging by after the light output after the process of conjunction light, carry out Projection Display, such as, realize 3D display etc.
Preferably, light splitting Multiplexing apparatus comprises adjacent successively the first prism, the second prism and prism, the interface of the first prism and the second prism is provided with primary diaphragm, the interface of the second prism and prism is provided with secondary diaphragm, first spectro-film and first closes light film and is primary diaphragm, and the second spectro-film and second closes light film and is secondary diaphragm.That is to say that the first spectro-film and first closes light film is same diaphragm, and it is same diaphragm that the second spectro-film and second closes light film.
Particularly, first prism, the second prism and prism can sequentially arrange successively, the light that light source exports is successively by the first prism, the second prism and prism, wherein, the interface of the first prism and the second prism is provided with primary diaphragm, and primary diaphragm has identical effect with the first spectro-film; The interface of the second prism and prism is provided with secondary diaphragm, and secondary diaphragm has identical effect with the second spectro-film.
According to the utility model embodiment, adopt the first prism, the second prism and prism and primary diaphragm and secondary diaphragm as light splitting Multiplexing apparatus, like this, light splitting part is made to be same parts with closing light parts, thus reduce the quantity of parts in Light source correction equipment, make Light source correction device structure simple, and then make the structure of light splitting Multiplexing apparatus simpler.
Further, light splitting part and conjunction light parts are same Philips prism, and the first filter coating is plated in the one side of Philips prism.
As shown in Figure 2, light splitting part and conjunction light parts are same Philip (Philips) prism 205, first filter coating is plated in the one side 2052 of Philips prism, and wherein, the primary lights that the first filter coating is used for presetting in the white light exported by light source wave band reflex to photomodulator 206.
Particularly, adopt Philips prism as light splitting Multiplexing apparatus.This white light incides on total reflection (TIR) prism 204, through face 2042 after face 2041 is totally reflected, reenter and be mapped to Philips prism 205, transmission plane 2051, reenter the face of being mapped to 2052, this face 2052 is coated with filter coating, the short wavelength of blue light and gold-tinted can be reflected to face 2051, SLM206 is incided after face 2051 is totally reflected, carry out turning back to face 2051 after image modulation through SLM again, face 2052 is incided again after 2051 total reflections, filter coating again on face 2052 reflects Philips prism, transmit TIR prism 204 again, export after entering projection lens 207.
In this embodiment, the filtering schematic diagram of filter coating as shown in Figure 3 and Figure 4.In Fig. 3, horizontal ordinate represents wavelength, and left side ordinate represents the relative intensity of light, and right side coordinate represents reflectivity.The wavelength had that curve 601 exports for light source, the wavelength that curve 602 intercepts for filter coating, wherein, the wave band that curve 602 comprises is the default wave band in the utility model embodiment, such as, 0 ~ 530nm.Oscillogram shown in Fig. 4 is the primary lights of the default wave band after intercepting, and its chromaticity coordinates is (0.15,0.06).
Alternatively, light splitting part comprises the first optical filter being provided with the first spectro-film and the second optical filter being provided with the second spectro-film.
Particularly, as shown in Figure 5, first optical filter 7051 of light splitting part 705 is provided with the first spectro-film, light 704 for being exported by light source is divided into along the first light of the first optical channel transmission to the first photomodulator 7061 with along the second optical channel transmission to the second optical filter 7052, second optical filter 7052 is provided with the second spectro-film, and the second spectro-film is used for carrying out light-splitting processing to the second light.
Further, close light parts and comprise the 3rd optical filter being provided with the first conjunction light film and the 4th optical filter being provided with the second conjunction light film.
Particularly, as shown in Figure 5, close light parts 707 and comprise the 3rd optical filter 7071 being provided with the first conjunction light film and the 4th optical filter 7072 being provided with the second conjunction light film.Wherein, the 3rd light after modulation and the 4th light close light after the 4th optical filter 7072, outgoing is to the 3rd optical filter 7071 again, first light exports the 3rd filter coating 7071 to after the first photomodulator 7061 is modulated, the 3rd light after the first light after modulation and conjunction light and the 4th light are carried out conjunction light by the 3rd filter coating 7071, then export through projecting lens 708.
Preferably, the primary lights to be corrected in the utility model embodiment are blue light, and wide spectrum optical is gold-tinted or green glow.
Further, the part in wide spectrum optical is gold-tinted or the green glow medium wave band light near the default wave band of blue light.Particularly can see in above-described embodiment to the description of Fig. 3, do not repeat here.
The utility model embodiment, intercepts out by the section wavelength components of the first filter coating by blue light and gold-tinted, as shown in Figure 3 and Figure 4, thus is met the blue primary color light of Projection Display standard.
The utility model embodiment still provides a kind of projection display system.This projection display system, comprises photomodulator, also comprises: light source and light splitting Multiplexing apparatus.Wherein, light source is used for the light that outgoing comprises primary lights to be corrected and wide spectrum optical.The description of light source here, primary lights to be corrected and wide spectrum optical see the description of light splitting Multiplexing apparatus in the utility model embodiment, can not repeat here.The light splitting Multiplexing apparatus of light splitting Multiplexing apparatus for providing in utility model above-described embodiment.
Preferably, light source comprises: excitation source, for exporting exciting light; Wavelength shifter, for exciting light is converted to Stimulated Light, and outgoing comprises the light of primary lights to be corrected and wide spectrum optical, and the light comprising primary lights to be corrected and wide spectrum optical is Stimulated Light and the mixed light of the exciting light do not changed by wavelength shifter.
As shown in Figure 2, light source comprises: excitation source 201, for exporting exciting light; And wavelength shifter, for exciting light is converted to Stimulated Light, and outgoing comprises the light of primary lights to be corrected and wide spectrum optical.Wherein, wavelength shifter can comprise: colour wheel 202 and driving whirligig 203.Excitation source 201 can adopt the blue laser of lower-cost predominant wavelength 445nm, also can adopt the laser instrument of the exciting light producing other wavelength.Excitation source can adopt laser instrument.
According to the utility model embodiment, adopt excitation source to produce exciting light, make the Stimulated Light brightness of generation high, thus improve the effect of projection, and the primary lights without the need to adopting the laser instrument of two kinds of wavelength just can be met Projection Display standard.
Further, excitation source adopts blue laser, and the blue light of exciting light to be predominant wavelength be 445nm, wavelength shifter comprises yellow wavelengths transition material or green wavelength transition material.
Particularly, colour wheel 202 scribbles the fluorescent powder producing Stimulated Light, colour wheel is generation Stimulated Light under the exciting of exciting light; Drive whirligig 203, colour wheel 202 is arranged on and drives on whirligig 203, drives whirligig 203 to rotate for driving colour wheel 202.
Fluorescent powder on the excitation colour wheel 202 that excitation source 201 exports, makes it produce Stimulated Light, and meanwhile, Stimulated Light mixes with the exciting light that excitation does not occur and generates white light.When exciting light is blue light, fluorescent powder can be yellow fluorescent powder, also can be the mixed fluorescent powder of red light fluorescent powder and green light fluorescent powder, makes mixed light comprise three kinds of primary lights.
Further, excitation source is blue laser, the blue light of exciting light to be predominant wavelength be 445nm, colour wheel 202 scribbles yellow fluorescent powder, colour wheel, under the exciting of exciting light, produces yellow exciting light, wherein, the face 2052 of Philips prism 205 is provided with filter coating, and this filter coating is for filtering out the blue light of the part synthesis of blue light and gold-tinted.
Preferably, projection display system also comprises: total reflection prism, for white light is totally reflected to Light source correction equipment.
Preferably, photomodulator comprises the first photomodulator, the second photomodulator and the 3rd photomodulator, first photomodulator is modulated the light along the first optical channel transmission, second photomodulator is modulated the light along the 3rd optical channel transmission, and the 3rd photomodulator is modulated the light along the 4th optical channel transmission.Light along the first optical channel transmission is the first light in the utility model embodiment, and the light along the light of the 3rd optical channel transmission is the 3rd light in the utility model embodiment, and the light along the 4th optical channel transmission is the 4th light in the utility model embodiment.Below by composition graphs 2 or Fig. 5, photomodulator is described.
Composition graphs 2 pairs of the utility model embodiments are described.As shown in Figure 2, predominant wavelength is about the blue laser of 445nm as excitation source, is incided by exciting light on colour wheel 202, and this colour wheel 202 is arranged on and drives on whirligig 203, colour wheel 202 produces Stimulated Light gold-tinted, and this gold-tinted and unexcited blue light generate white light, this white light incides on TIR prism 204, through face 2042 after face 2041 is totally reflected, reenter and be mapped to Philips prism 205, through transmission plane 2051, reenter the face of being mapped to 2052, this face 2052 is coated with filter coating i.e. the first spectro-film, short wavelength's part i.e. first light (seeing Fig. 3 and Fig. 4 particularly) of blue light and gold-tinted can be reflexed to face 2051, the first photomodulator and SLM206 is incided (wherein after face 2051 is totally reflected, residue green portions in gold-tinted is through the 3rd optical channel transmission to the second photomodulator, red light portion through the 4th optical channel transmission to the 3rd photomodulator, all not shown in figure).Short wavelength's part of blue light and gold-tinted carries out turning back to face 2051 after image modulation through SLM206 again, face 2052 is incided again after 2051 total reflections, filter coating again on face 2052 reflects Philips prism 205, then transmits TIR204, exports after entering projection lens 207.
According to the utility model embodiment, by filter coating by short wavelength's portion intercepts of blue light and gold-tinted out, the blue light color coordinate meeting Rec709 standard-required can be obtained.As shown in Figure 3 and Figure 4.
In the projection display system of three LCD and three LCoS, also can adopt the scheme of utility model embodiment, obtain the blue light color coordinate meeting Rec709.
Particularly, as shown in Figure 5, predominant wavelength is about the blue laser 701 of 445nm as excitation source, incides on colour wheel 702, and this colour wheel 702 is placed in and drives whirligig 703, produces the white light 704 of Stimulated Light gold-tinted and unexcited blue light; This white light 704 incides on light splitting part 705, after through dichroic sheet 7051, that is the first optical filter filters, short wavelength's portions incident of blue light and gold-tinted is to LCD or LCoS panel and photomodulator 7061, the remainder of gold-tinted is after the second optical filter 7052, light splitting becomes green glow and ruddiness, green portions through the 3rd optical channel transmission to the second photomodulator 7062, red light portion through the 4th optical channel transmission to the 3rd photomodulator 7063.After LCD or the modulation of LCoS panel image, incide dichroic sheet 7071 i.e. the second optical filter closing light parts 707 again, then export after entering projection lens 708.White light 704, after dichroic sheet 7051 and 7071 filters, can obtain the blue light color coordinate meeting Rec709 standard-required.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (12)
1. a light splitting Multiplexing apparatus, is characterized in that, comprising:
Light splitting part, for carrying out light-splitting processing to the light of light source outgoing, the light of described light source outgoing comprises primary lights to be corrected and wide spectrum optical, wherein, described light splitting part comprises the first spectro-film, the light of described light source outgoing is divided into the first light along the first optical channel transmission to photomodulator and along the second optical channel transmission to the second light of described photomodulator by described first spectro-film, wherein the first light is the mixed light of a part in described wide spectrum optical and described primary lights to be corrected, and described second light is the light of the remainder in described wide spectrum optical; And
Close light parts, for carrying out the process of conjunction light to the light after described light modulator modulates.
2. light splitting Multiplexing apparatus according to claim 1, it is characterized in that, described light splitting part also comprises the second spectro-film, described second spectro-film the second light along the second optical channel transmission is divided into the 3rd light along the 3rd optical channel transmission to described photomodulator and along the 4th optical channel transmission to the 4th light of described photomodulator, described 3rd light and the 4th light are primary lights.
3. light splitting Multiplexing apparatus according to claim 2, it is characterized in that, described conjunction light parts comprise the first conjunction light film and second and close light film, described second closes light film carries out the process of conjunction light to the 3rd light after described light modulator modulates and the 4th light after described light modulator modulates, and described first closes light film carries out the process of conjunction light to the light after described first light and described first conjunction light film conjunction light process.
4. light splitting Multiplexing apparatus according to claim 3, it is characterized in that, described light splitting Multiplexing apparatus comprises adjacent successively the first prism, the second prism and prism, the interface of described first prism and the second prism is provided with primary diaphragm, the interface of described second prism and prism is provided with secondary diaphragm, described first spectro-film and described first closes light film and is described primary diaphragm, and described second spectro-film and described second closes light film and is described secondary diaphragm.
5. light splitting Multiplexing apparatus according to claim 3, is characterized in that, described light splitting part comprises the first optical filter being provided with described first spectro-film and the second optical filter being provided with described second spectro-film.
6. light splitting Multiplexing apparatus according to claim 5, is characterized in that, described conjunction light parts comprise the 3rd optical filter being provided with described first conjunction light film and the 4th optical filter being provided with described second conjunction light film.
7. the light splitting Multiplexing apparatus according to any one of claim 1 to 6, is characterized in that, described primary lights to be corrected are blue light, and described wide spectrum optical is gold-tinted or green glow.
8. light splitting Multiplexing apparatus according to claim 7, is characterized in that, the part in described wide spectrum optical is described gold-tinted or the green glow medium wave band light near the default wave band of described blue light.
9. a projection display system, comprises photomodulator, it is characterized in that, also comprises:
Light source, comprises the light of primary lights to be corrected and wide spectrum optical for outgoing; And
Light splitting Multiplexing apparatus according to any one of claim 1 to 8.
10. projection display system according to claim 9, is characterized in that, described light source comprises:
Excitation source, for exporting exciting light; And
Wavelength shifter, for described exciting light is converted to Stimulated Light, and outgoing comprises the light of primary lights to be corrected and wide spectrum optical, described in comprise primary lights to be corrected and wide spectrum optical light be described Stimulated Light and the mixed light of the exciting light do not changed by described wavelength shifter.
11. projection display systems according to claim 10, is characterized in that,
Described excitation source adopts blue laser, and the blue light of described exciting light to be predominant wavelength be 445nm, described wavelength shifter comprises yellow wavelengths transition material or green wavelength transition material.
12. projection display systems according to claim 11, it is characterized in that, described photomodulator comprises the first photomodulator, the second photomodulator and the 3rd photomodulator, described first photomodulator is modulated the light along the first optical channel transmission, described second photomodulator is modulated the light along the 3rd optical channel transmission, and described 3rd photomodulator is modulated the light along the 4th optical channel transmission.
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| CN201420562259.0U CN204178055U (en) | 2014-09-26 | 2014-09-26 | Light splitting Multiplexing apparatus and projection display system |
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| CN201420562259.0U CN204178055U (en) | 2014-09-26 | 2014-09-26 | Light splitting Multiplexing apparatus and projection display system |
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| CN204178055U true CN204178055U (en) | 2015-02-25 |
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| CN104793339A (en) * | 2015-05-13 | 2015-07-22 | 中国人民解放军国防科学技术大学 | Fiber laser coherent combining system based on adaptive precision light path adjustment |
| CN105511091A (en) * | 2014-09-26 | 2016-04-20 | 深圳市绎立锐光科技开发有限公司 | Light-splitting light-integrating device and projection display system |
| CN108303842A (en) * | 2017-01-12 | 2018-07-20 | 深圳市光峰光电技术有限公司 | Projection display system |
| WO2018171207A1 (en) * | 2017-03-23 | 2018-09-27 | 深圳市光峰光电技术有限公司 | Display system |
| CN108803211A (en) * | 2017-04-27 | 2018-11-13 | 深圳市光峰光电技术有限公司 | The optical projection system of light-source system and the application light-source system |
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| CN105511091A (en) * | 2014-09-26 | 2016-04-20 | 深圳市绎立锐光科技开发有限公司 | Light-splitting light-integrating device and projection display system |
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| CN104793339A (en) * | 2015-05-13 | 2015-07-22 | 中国人民解放军国防科学技术大学 | Fiber laser coherent combining system based on adaptive precision light path adjustment |
| CN108303842A (en) * | 2017-01-12 | 2018-07-20 | 深圳市光峰光电技术有限公司 | Projection display system |
| CN108303842B (en) * | 2017-01-12 | 2020-09-15 | 深圳光峰科技股份有限公司 | Projection display system |
| WO2018171207A1 (en) * | 2017-03-23 | 2018-09-27 | 深圳市光峰光电技术有限公司 | Display system |
| CN108803211A (en) * | 2017-04-27 | 2018-11-13 | 深圳市光峰光电技术有限公司 | The optical projection system of light-source system and the application light-source system |
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| CN110278423B (en) * | 2018-03-16 | 2021-10-12 | 深圳光峰科技股份有限公司 | Display device |
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Address after: 518000 20-22, 20-22 headquarters building, 63 high tech Zone, Xuefu Road, Nanshan District, Guangdong Province, Guangdong. Patentee after: APPOTRONICS Corp.,Ltd. Address before: 518000 Nanshan District, Shenzhen, Guangdong, Guangdong Province, Guangdong Road, 63 Xuefu Road, high-tech zone, 21 headquarters building, 22 floor. Patentee before: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address after: 518000 Nanshan District, Shenzhen, Guangdong, Guangdong Province, Guangdong Road, 63 Xuefu Road, high-tech zone, 21 headquarters building, 22 floor. Patentee after: SHENZHEN GUANGFENG TECHNOLOGY Co.,Ltd. Address before: 518055 Guangdong province Shenzhen Nanshan District Xili town Cha Guang road Shenzhen integrated circuit design application Industrial Park 401 Patentee before: APPOTRONICS Corp.,Ltd. |
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