CN102798979A - 3D (three-dimensional) display device and glasses matched with same - Google Patents
3D (three-dimensional) display device and glasses matched with same Download PDFInfo
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- CN102798979A CN102798979A CN201210290877XA CN201210290877A CN102798979A CN 102798979 A CN102798979 A CN 102798979A CN 201210290877X A CN201210290877X A CN 201210290877XA CN 201210290877 A CN201210290877 A CN 201210290877A CN 102798979 A CN102798979 A CN 102798979A
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Abstract
The invention provides a 3D display device, which comprises a display light source, wherein the display light source is spectrally unmixed two or more groups of laser light sources; peak wavelengths of homochromatic lasers generated by each group of laser light sources in the two or more groups of laser light sources are different. Correspondingly, the invention further provides glasses matched with the 3D display device. The 3D display device has the advantages that the displayed picture has vivid colors, the resolution ratio is not lost, crosstalk is not easy to generate, and the angle of view is not influenced.
Description
Technical field
The invention belongs to the image display technology field, be specifically related to a kind of 3D display device and be mated the glasses of use.
Background technology
The 3D display technique has become the development trend in present demonstration field.At present; The 3D display technique generally is to adopt the binocular parallax principle to realize; Be about to two width of cloth anaglyphs (being left and right anaglyph) and be presented on the two-dimensional display, utilize certain technology to make beholder's images of left and right eyes can only see the left and right anaglyph on the display screen respectively then.
Existing 3D display technique mainly comprises polarized light 3D display technique, shutter 3D display technique and color separation 3D display technique.Wherein, polarized light 3D display technique generally adopts the method for partition space, thereby can lose half the resolution, has reduced the effect that 3D shows, the visual angle also is affected and is prone to cause crosstalk (being ghost phenomena); Shutter 3D display technique generally adopts the method for sliced time, causes film flicker easily, also is prone to cause and crosstalks; Color separation 3D display technique is utilized the complementary colors principle and has been filtered most of color, makes the serious distortion of picture color, brightness also seriously descend, thereby greatly reduces the effect that 3D shows.
Summary of the invention
Technical matters to be solved by this invention is to the problems referred to above that exist in the prior art, provides a kind of and can make left and right anaglyph high separation and the good 3D display device of 3D effect, and the glasses that are mated use.
Solving the technical scheme that technical matters of the present invention adopted is:
Said 3D display device comprises display light source, and said display light source adopts two or more sets LASER Light Sources of spectral separation, and the peak wavelength of respectively organizing the homochromy laser that LASER Light Source launches in said two or more sets LASER Light Sources is different.
Preferably; Said LASER Light Source adopts two groups; Every group of LASER Light Source comprises three single primary colours laser instruments respectively; It is respectively red laser, green (light) laser and blue laser, and the peak wavelength of per two homochromy single primary colours laser instrument institute emitted laser is different in said two groups of LASER Light Sources.
Further preferably, the wavelength response range of said red laser institute emitted laser is 565nm ~ 635nm; The wavelength response range of said green (light) laser institute emitted laser is 510nm ~ 590nm; The wavelength response range of said blue laser institute emitted laser is 420nm ~ 480nm.
Because display light source adopts two groups of LASER Light Sources of spectral separation; LASER Light Source institute emitted laser does not have the different peak value wavelength on the same group; Promptly not on the same group LASER Light Source institute emitted laser be in the different narrow band spectrum that spectrum is separated from each other, two groups of LASER Light Sources through spectral separation transmit two picture group image signals respectively like this, have realized the high separation of two picture group pictures (being also referred to as left and right anaglyph); When the beholder wears the glasses that are used with this 3D display device; Left eye can only be seen left anaglyph, and right eye can only be seen right anaglyph, thereby can watch 3D rendering full-color, high definition.
Because laser is line spectrum; And have characteristics such as color saturation height, brightness is high, spectral line is abundant, make and adopt the display light source of laser to have bright in luster, colour gamut advantages of higher, and the color that laser display system can show surpasses CRT (Cathode Ray Tube; Cathode-ray tube display), LCD (Liquid Crystal Display; LCD), PDP (Plasma Display Panel, plasma display) and OLED (Organic Light-Emitting Diode, organic light emitting diode display) are more than the twice; Can reproduce abundant, the gorgeous color in objective world the most truly, the visual performance that has more shock power is provided.
Preferably, said display device also comprises modulate unit, image synthesis unit and display unit;
Said modulate unit is used to produce two picture group image signals and the six bundle laser respectively said two groups of LASER Light Sources launched are modulated; Make the set of diagrams image signal in the said two picture group image signals that three beams of laser that one group of LASER Light Source in said two groups of LASER Light Sources launches produced by the modulate unit modulate; The three beams of laser that another group LASER Light Source is launched is modulated by another picture group image signal that the modulate unit produces, to form six width of cloth monochrome images that carried by said six bundle laser respectively;
Said image synthesis unit is used for receiving in real time said six width of cloth monochrome images and said six width of cloth monochrome images is synthesized a width of cloth coloured image, and said coloured image is exported in real time;
Said display unit is used for the said coloured image of real-time display image synthesis unit output.
Further preferably, said modulate unit comprises light valve and image input block, and said light valve adopts six, and the respectively corresponding light valve of each single primary colours laser instrument in every group of LASER Light Source;
Said image input block is used to produce two picture group image signals, and said two picture group image signals are transferred to the light valve place that every group of LASER Light Source distinguished correspondence respectively;
Each said light valve is used to receive its corresponding single primary colours laser instrument institute's emitted laser and image input block image transmitted signal; By the said picture signal that receives said single primary colours laser instrument institute emitted laser is modulated again, to form a width of cloth monochrome image that carries by this list primary colours laser instrument institute emitted laser.
Preferably, said image synthesis unit comprises color-combination prism and converges the unit,
The said unit that converges is used for the six bundle laser that the said two groups of LASER Light Sources that carry six width of cloth monochrome images are respectively launched are converged to the same position place of color-combination prism; Said color-combination prism is used for the synthetic beam of laser of said six bundle laser, with the synthetic width of cloth coloured image of six width of cloth monochrome images that said six bundle laser are carried.
Further preferably, the said unit that converges adopts three, and each converges the unit and is used for any two bundles of said six bundle laser are converged to the same position place in the color-combination prism, and each converges the unit and includes a total reflective mirror and a semi-transparent semi-reflecting lens; The single primary colours laser instrument of in said two groups of LASER Light Sources each institute emitted laser is parallel and be positioned on the same plane.
Preferably, said display device also comprises the image amplifying unit and/or expands bundle, shimming, eliminating coherence unit;
Said image amplifying unit is used for transferring to display unit again after the said coloured image amplification with the output in real time of image synthesis unit, and said display unit is used for showing in real time the said coloured image after amplifying;
Said expansion bundle, shimming, eliminating coherence unit adopt six; And each expands bundle, shimming, all corresponding single primary colours laser instrument in eliminating coherence unit, and said expansion bundle, shimming, eliminating coherence unit are used for its corresponding single primary colours laser instrument institute emitted laser is carried out transmitting it to the modulate unit again behind beam-expanding collimation, shimming shaping and the eliminating coherence.
Further preferably, said image amplifying unit adopts projecting lens.
The glasses that the present invention provides a kind of and above-mentioned 3D display device to be used simultaneously; Comprise two eyeglasses; Wherein, Said two eyeglasses adopt filter plate, and an eyeglass in said two eyeglasses passes through one group of institute's emitted laser in said two groups of LASER Light Sources, and another eyeglass passes through another group institute emitted laser in said two groups of LASER Light Sources; Perhaps an eyeglass in two eyeglasses passes through one group of institute's emitted laser in said many group LASER Light Sources, and another eyeglass passes through one of other groups in said many group LASER Light Sources institute's emitted laser.
Beneficial effect:
1) 3D display device according to the invention is owing to adopt two groups of LASER Light Sources of spectral separation to transmit two picture group image signals respectively; Realized the high separation of two picture group pictures (being also referred to as left and right anaglyph); When the beholder wore the glasses that are used with this 3D display device, left eye can only be seen left anaglyph, and right eye can only be seen right anaglyph; Thereby can watch 3D rendering full-color, high definition, have favorable user experience;
2) 3D display device according to the invention has kept whole color informations of original picture, its picture displayed have color saturation height, colour gamut high, do not lose resolution, picture flicker free, be difficult for causing crosstalk, the visual angle is unaffected and watch advantages such as comfort level is good.
Description of drawings
Fig. 1 is the peak response wavelength X of some color of light in the three primary colours
MaxCorresponding relation synoptic diagram with half-peak response duration Δ λ;
Fig. 2 is the principle schematic of 3D display device described in the embodiment of the invention 1;
Fig. 3 is the structural representation of the glasses that are used with said 3D display device in the embodiment of the invention 1.
Among the figure: the 1-total reflective mirror; The 2-semi-transparent semi-reflecting lens; The 3-color-combination prism; The 4-projecting lens; The 5-screen; 6-first eyeglass; 7-second eyeglass.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, 3D display device of the present invention and the glasses that are mated use are described in further detail below in conjunction with accompanying drawing and embodiment.
3D display device according to the invention is utilized the principle of spectral separation and is belonged to color separation 3D display technique field.Said 3D display device comprises display light source, and said display light source adopts two or more sets LASER Light Sources of spectral separation, and the peak wavelength of respectively organizing the homochromy laser that LASER Light Source launches in said two or more sets LASER Light Sources is different.Promptly not on the same group the homochromy laser launched of LASER Light Source be in the different narrow band spectrum that spectrum is separated from each other so that not on the same group the homochromy laser launched of LASER Light Source have the different peak value wavelength.
Preferred said LASER Light Source adopts two groups; And said LASER Light Source can to adopt the reasons of many groups be to cause display device normally to use in order to prevent because of one group in said two groups of LASER Light Sources or two groups of damages; That is to say that when said LASER Light Source adopted many groups, wherein two groups as using light source; Other groups are as standby power source, and said many group LASER Light Sources can adopt three groups ~ four groups LASER Light Sources.
Preferred every group of LASER Light Source comprises three single primary colours laser instruments respectively, and it is respectively red laser, green (light) laser and blue laser, and the peak wavelength of per two homochromy single primary colours laser instrument institute emitted laser is different in said two groups of LASER Light Sources.
Said LASER Light Source has saved monochromator or light-dividing device with respect to ordinary light source, and has following advantage:
1. brightness is high.
Because the emissive ability of laser are strong and energy height is concentrated, so the brightness of laser is very high, than high hundreds of millions times of the brightness of ordinary light source, and brightness is the important indicator of weighing a light source quality.
2. good directionality.
The angle of divergence is very little after the Laser emission, and for example laser penetrates 20 kilometers, and its spot diameter has only 20 ~ 30 centimetres, and ordinary light source all directions in the space are luminous, and directivity is poor.
3. monochromaticity is good.
Laser is line spectrum, and line width is very narrow, and color saturation is high, and color is pure, and monochromaticity is good.For example, in ordinary light source, isotope 86Kr lamp sends the spectrum line of wavelength X=6057 dusts, under cryogenic conditions, and its spectral width △ λ=0.0047 dust; And the laser of the wavelength X that the single mode frequency stabilized He-Ne laser sends=6328 dusts, its spectral width △ λ=10
-7Dust, visible laser have good monochromaticity.
4. colour gamut is high.
Compare with ordinary light source, the colour gamut coverage rate of laser is higher, and its colour gamut coverage rate is close to more than the twice of ordinary light source.
As everyone knows, human eye is different to the spectral response of red, green, blue three primary colours, and every kind of color all has a peak response wavelength X in the said three primary colours
MaxWith the half-peak response duration Δ λ of correspondence, said half-peak response duration Δ λ refers to the peak width at half place of spectrum peak height, promptly makes to be parallel to the straight line of peak base through the mid point of peak height, the distance between said straight line and both sides, peak intersect at 2.Peak response wavelength X in the red, green, blue three primary colours
MaxOn, human eye is the most responsive to the spectrum of three primary colours, and in half-peak response duration Δ λ, human eye is discernible to three primary colours.As shown in Figure 1, horizontal ordinate is represented a certain color light wavelength, and ordinate is represented the lightness of this color, and promptly human eye perceives the brightness or the intensity of the light of this color, and in the peak response wavelength X
MaxThe place, the light of this color of human eye perception is the brightest, and in half-peak response duration Δ λ, human eye can be discerned this color.General, red peak response wavelength is 600nm, and its half-peak response duration is 70nm, and promptly red wavelength response range is 565nm ~ 635nm; Green peak response wavelength is 550nm, and its half-peak response duration is 80nm, and promptly green wavelength response range is 510nm ~ 590nm; Blue peak response wavelength is 450nm, and its half-peak response duration is 60nm, and promptly blue wavelength response range is 420nm ~ 480nm.In the wavelength response range of the discernible red, green, blue three primary colours of human eye, select two or more sets red, green, blue narrow-band spectrum respectively, and with the peak wavelength of said two or more sets red, green, blue narrow-band spectrum respectively as the peak wavelength of the laser instrument of corresponding color in said two or more sets LASER Light Sources.
The wavelength response range of preferred said red laser institute emitted laser is 565nm ~ 635nm; The wavelength response range of said green (light) laser institute emitted laser is 510nm ~ 590nm; The wavelength response range of said blue laser institute emitted laser is 420nm ~ 480nm.
Said glasses and above-mentioned 3D display device are used; It comprises two eyeglasses; Said two eyeglasses adopt filter plate; An eyeglass in said two eyeglasses passes through one group of institute's emitted laser in said two groups of LASER Light Sources; Another eyeglass passes through another group institute emitted laser in said two groups of LASER Light Sources, and perhaps an eyeglass in two eyeglasses passes through one group of institute's emitted laser in said many group LASER Light Sources, and another eyeglass passes through one of other groups in said many group LASER Light Sources institute's emitted laser.
Embodiment 1:
As shown in Figure 2, in the present embodiment, said display device comprises LASER Light Source, expands bundle, shimming, eliminating coherence unit, modulate unit, image synthesis unit, image amplifying unit and display unit.
Wherein, Said LASER Light Source adopts two groups; Every group of LASER Light Source comprises three single primary colours laser instruments respectively; And be respectively red laser, green (light) laser and blue laser; One group in said two groups of LASER Light Sources comprises first red laser, first green (light) laser and first blue laser, and another group comprises second red laser, second green (light) laser and second blue laser, and the peak wavelength of two homochromy single primary colours laser instrument institute emitted laser is different in said two groups of LASER Light Sources; First red laser in for example said two groups of LASER Light Sources is different with the peak wavelength of second red laser institute emitted laser, and frequency is different in other words.Said laser instrument can adopt existing solid state laser or semiconductor laser etc.
In the present embodiment, the peak wavelength of homochromy single primary colours laser instrument institute emitted laser is positioned at the wavelength response range that human eye can be discerned this color in said two groups of LASER Light Sources.The identical single primary colours laser instrument of color that said homochromy single primary colours laser instrument is promptly launched laser, identical the referring to of said color belongs to the discernible red/green of human eye.Wherein, the peak wavelength of the red laser in first group of LASER Light Source is 630nm, and the peak wavelength of green (light) laser is 530nm, and the peak wavelength of blue laser is 450nm; The peak wavelength of the red laser in second group of LASER Light Source is 615nm, and the peak wavelength of green (light) laser is 515nm, and the peak wavelength of blue laser is 435nm.Certainly; The peak wavelength of each single primary colours laser instrument is not limited to above-mentioned instance in said two groups of LASER Light Sources, and the wavelength response range that the peak wavelength that only need satisfy each single primary colours laser instrument institute emitted laser is positioned at the discernible color that should list primary colours laser instrument of human eye gets final product.
Said expansion bundle, shimming, eliminating coherence unit adopt six; And each expands bundle, shimming, all corresponding single primary colours laser instrument in eliminating coherence unit, and said expansion bundle, shimming, eliminating coherence unit are used for its corresponding single primary colours laser instrument institute emitted laser is carried out transmitting it to the modulate unit again behind beam-expanding collimation, shimming shaping and the eliminating coherence.Said expansion bundle, shimming, eliminating coherence unit comprise expanding restraints module, shimming module and eliminating coherence module, and said expansion bundle module is used for said laser is carried out beam-expanding collimation, and it can adopt existing Galileo telescope, Newtonian telescope etc.; Said shimming module is used for said laser is carried out the shimming shaping, and it can adopt array type devices such as existing fly's-eye lens, little fly's-eye lens or array mirror; Said eliminating coherence module adopts interference fringe and the speckle of micro-optic bit dynamic phase modulation technique to eliminate said laser, and it can adopt existing micro optical element etc.
Said modulate unit is used to produce two picture group image signals (being also referred to as left and right anaglyph); And the six bundle laser of respectively said two groups of LASER Light Sources being launched after six expansion bundles, shimming, eliminating coherence unit carry out beam-expanding collimation, shimming shaping and eliminating coherence are respectively modulated; Make the set of diagrams image signal in the said two picture group image signals that three beams of laser that one group of LASER Light Source in said two groups of LASER Light Sources launches produced by the modulate unit modulate; The three beams of laser that another group LASER Light Source is launched is modulated by another picture group image signal that the modulate unit produces, to form six width of cloth monochrome images that carried by said six bundle laser respectively.
In the present embodiment, said modulate unit comprises light valve and image input block, and said light valve adopts six, and the respectively corresponding light valve of each single primary colours laser instrument in every group of LASER Light Source.Said light valve can adopt existing electrooptic modulator or acousto-optic modulator etc.
Said image input block is used to produce two picture group image signals, and said two picture group image signals are transferred to the light valve place that every group of LASER Light Source distinguished correspondence respectively;
Each said light valve is used to receive its corresponding single primary colours laser instrument institute's emitted laser and image input block image transmitted signal; By the said picture signal that receives said single primary colours laser instrument institute emitted laser is modulated again, to form a width of cloth monochrome image that carries by this list primary colours laser instrument institute emitted laser.Such six light valves receive corresponding single primary colours laser instrument institute's emitted laser and image input block image transmitted signal respectively and have just formed respectively six width of cloth monochrome images that carried by six single primary colours laser instrument institute emitted laser.
Said image synthesis unit is used for receiving in real time said six width of cloth monochrome images; With said six width of cloth monochrome images are synthesized a width of cloth coloured image (a said width of cloth coloured image has comprised whole color informations of said two picture group pictures), and said coloured image is exported in real time.
In the present embodiment, said image synthesis unit comprises color-combination prism and converges the unit, saidly converges the same position place that the unit is used for the six bundle laser that the said two groups of LASER Light Sources that carry six width of cloth monochrome images are respectively launched are converged to color-combination prism; Said color-combination prism is used for the synthetic beam of laser of said six bundle laser, with the synthetic width of cloth coloured image of six width of cloth monochrome images that said six bundle laser are carried.Said color-combination prism can adopt existing X prism.
Wherein, The said unit that converges adopts three; Each converges the unit and is used for any two bundles with said six bundle laser and converges to same position place in the color-combination prism and (can make said any two bundle laser be incident to the same position place in the color-combination prism through one of them face of color-combination prism; That is to say that said six bundle laser are incident to the same position place in the color-combination prism through three faces of color-combination prism respectively), each converges the unit and includes a total reflective mirror and a semi-transparent semi-reflecting lens.That is to say that the said unit that converges comprises three total reflective mirrors and three semi-transparent semi-reflecting lens.Certainly, the said unit that converges is not limited to adopt said structure, also can realize through the mode that adopts more total reflective mirrors and/or more how semi-transparent semi-reflecting mirror any two bundles in the said six bundle laser are converged to the same position place in the color-combination prism.For example, the said unit that converges also can comprise more total reflective mirror and semi-transparent semi-reflecting lens so that said six bundle laser through face of said color-combination prism or respectively two faces through said color-combination prism be incident to the same position place in the color-combination prism.
Said image amplifying unit is used for transferring to display unit again after the said coloured image amplification with the output in real time of image synthesis unit.Preferred said image amplifying unit adopts projecting lens.Said projecting lens can adopt existing convex lens, concavees lens or lens combination etc.
Said display unit is used for showing in real time the said coloured image after amplifying.Said display unit can adopt the object that existing curtain, glass, white metope even water curtain etc. arbitrarily can projection.
In the present embodiment, the single primary colours laser instrument of each in said two groups of LASER Light Sources institute emitted laser is parallel and be positioned at (being that said each single primary colours laser instrument is also in the same plane) on the same plane.If said each single primary colours laser instrument institute emitted laser is horizontal parallel each other, the total reflective mirror in the then said image synthesis unit and the laser of semi-transparent semi-reflecting lens and incident all are 45 and spend angles; If it is parallel that said each single primary colours laser instrument institute emitted laser inclines towards each other, the angle between the total reflective mirror in the then said image synthesis unit and the laser of semi-transparent semi-reflecting lens and incident is not 45 to spend, and need readjusted according to the degree of tilt of institute's emitted laser.All parts in the preferred said 3D display device all are provided with at grade, otherwise the six bundle laser that the total reflective mirror that greater number need be set could make six laser instruments in said two groups of LASER Light Sources launch converge to the same position place in the color-combination prism.
The displaying principle of 3D laser display apparatus shown in Figure 2 is:
First red laser, first green (light) laser, first blue laser, second red laser, second green (light) laser and second blue laser institute emitted laser transfer to each single primary colours laser instrument corresponding expansion bundle, shimming, place, eliminating coherence unit respectively; Make each single primary colours laser instrument institute emitted laser all through inciding after beam-expanding collimation, eliminating coherence and the shimming shaping on the corresponding light valve of each single primary colours laser instrument; After each light valve receives corresponding laser instrument institute emitted laser; Make each single primary colours laser instrument institute emitted laser modulated (each laser instrument institute emitted laser is all modulated by the corresponding set of diagrams image signal of LASER Light Source at this laser instrument place) by said image input block image transmitted signal; And form six width of cloth monochrome images; Said six width of cloth monochrome images are pooled to a same position place and a synthetic width of cloth coloured image in the color-combination prism 3 through the laser after the modulate after total reflective mirror 1 reflection and semi-transparent semi-reflecting lens 2 transmissions and reflection, a said width of cloth coloured image transfers on the screen 14 after projecting lens 4 amplifies and also shows.
Embodiment 2:
The difference of present embodiment and embodiment 1 is:
The said LASER Light Source of present embodiment adopts three groups, wherein any two groups as using light source, remaining one group as standby power source.Certainly; Also comprise expansion bundle, shimming, eliminating coherence unit, the light valve corresponding in the said 3D display device and converge the unit with said standby power source; So that said standby power source emitted laser is behind beam-expanding collimation, shimming shaping and eliminating coherence; Through light valve said laser is modulated, converged to the same position place in the color-combination prism through converging the unit with other LASER Light Source emitted laser again.
Other structures in the present embodiment, material and effect are all identical with embodiment 1, repeat no more here.
Embodiment 3:
The difference of present embodiment and embodiment 1 is:
Said 3D display device does not comprise expansion bundle, shimming, eliminating coherence unit, and six bundle laser of said two groups of LASER Light Sources emission directly transfer to corresponding light valve place.
Other structures in the present embodiment, material and effect are all identical with embodiment 1, repeat no more here.
Embodiment 4:
The difference of present embodiment and embodiment 1 is:
Parts in the said 3D display device and not all being arranged on the same plane then in order to make said each single primary colours laser instrument institute emitted laser all converge to the same position place in the color-combination prism, also need be provided with the total reflective mirror and/or the semi-transparent semi-reflecting lens of greater number.
Other structures in the present embodiment, material and effect are all identical with embodiment 1, repeat no more here.
Embodiment 5:
Present embodiment provides a kind of glasses; Arbitrary described 3D display device is used among said glasses and the embodiment 1 ~ 4; It comprises two eyeglasses; Said two eyeglasses adopt narrow band filter slice, and an eyeglass in said two eyeglasses passes through one group of institute's emitted laser in said two groups of LASER Light Sources, and another eyeglass passes through another group institute emitted laser in said two groups of LASER Light Sources.
As shown in Figure 3; Said two eyeglasses are respectively first eyeglass 6 and second eyeglass 7; First eyeglass 6 only makes first group of LASER Light Source (comprising first red laser, first green (light) laser and first blue laser) institute's emitted laser pass through; Second eyeglass 7 only makes second group of LASER Light Source (comprising second red laser, second green (light) laser and second blue laser) institute's emitted laser pass through; Such first eyeglass 6 can only be seen first group of image that LASER Light Source transmitted, and second eyeglass 7 can only be seen second group of image that LASER Light Source transmitted, thereby has realized the high separation of said two picture group pictures.In like manner, also can make first eyeglass 6 that second group of LASER Light Source institute emitted laser passed through, second eyeglass 7 only makes first group of LASER Light Source institute emitted laser pass through.Because said two picture group pictures carry and project on the display unit by said two groups of LASER Light Source institute emitted laser respectively; Do not lose any color even do not lose any pixel, the beholder just can see the 3D picture of full color, high definition through wearing said glasses, watches that comfort level is good, picture flicker free and visual angle be unaffected; And; Because the line width of laser is very narrow,, therefore is difficult for causing and crosstalks so the spectrum of two groups of LASER Light Sources of the said two picture group pictures of transmission is not overlapping.
It is understandable that above embodiment only is the illustrative embodiments that adopts for principle of the present invention is described, yet the present invention is not limited thereto.For the one of ordinary skilled in the art, under the situation that does not break away from spirit of the present invention and essence, can make various modification and improvement, these modification also are regarded as protection scope of the present invention with improving.
Claims (10)
1. a 3D display device comprises display light source, it is characterized in that, said display light source adopts two or more sets LASER Light Sources of spectral separation, and the peak wavelength of respectively organizing the homochromy laser that LASER Light Source launches in said two or more sets LASER Light Sources is different.
2. display device according to claim 1; It is characterized in that; Said LASER Light Source adopts two groups; Every group of LASER Light Source comprises three single primary colours laser instruments respectively, and it is respectively red laser, green (light) laser and blue laser, and the peak wavelength of per two homochromy single primary colours laser instrument institute emitted laser is different in said two groups of LASER Light Sources.
3. display device according to claim 2 is characterized in that, the wavelength response range of said red laser institute emitted laser is 565nm ~ 635nm; The wavelength response range of said green (light) laser institute emitted laser is 510nm ~ 590nm; The wavelength response range of said blue laser institute emitted laser is 420nm ~ 480nm.
4. according to claim 2 or 3 described display device, it is characterized in that said display device also comprises modulate unit, image synthesis unit and display unit;
Said modulate unit is used to produce two picture group image signals and the six bundle laser respectively said two groups of LASER Light Sources launched are modulated; Make the set of diagrams image signal in the said two picture group image signals that three beams of laser that one group of LASER Light Source in said two groups of LASER Light Sources launches produced by the modulate unit modulate; The three beams of laser that another group LASER Light Source is launched is modulated by another picture group image signal that the modulate unit produces, to form six width of cloth monochrome images that carried by said six bundle laser respectively;
Said image synthesis unit is used for receiving in real time said six width of cloth monochrome images and said six width of cloth monochrome images is synthesized a width of cloth coloured image, and said coloured image is exported in real time;
Said display unit is used for the said coloured image of real-time display image synthesis unit output.
5. display device according to claim 4 is characterized in that, said modulate unit comprises light valve and image input block, and said light valve adopts six, and the respectively corresponding light valve of each single primary colours laser instrument in every group of LASER Light Source;
Said image input block is used to produce two picture group image signals, and said two picture group image signals are transferred to the light valve place that every group of LASER Light Source distinguished correspondence respectively;
Each said light valve is used to receive its corresponding single primary colours laser instrument institute's emitted laser and image input block image transmitted signal; By the said picture signal that receives said single primary colours laser instrument institute emitted laser is modulated again, to form a width of cloth monochrome image that carries by this list primary colours laser instrument institute emitted laser.
6. display device according to claim 4 is characterized in that, said image synthesis unit comprises color-combination prism and converge the unit,
The said unit that converges is used for the six bundle laser that the said two groups of LASER Light Sources that carry six width of cloth monochrome images are respectively launched are converged to the same position place of color-combination prism; Said color-combination prism is used for the synthetic beam of laser of said six bundle laser, with the synthetic width of cloth coloured image of six width of cloth monochrome images that said six bundle laser are carried.
7. display device according to claim 6; It is characterized in that; The said unit that converges adopts three, and each converges the unit and is used for any two bundles of said six bundle laser are converged to the same position place in the color-combination prism, and each converges the unit and includes a total reflective mirror and a semi-transparent semi-reflecting lens; The single primary colours laser instrument of in said two groups of LASER Light Sources each institute emitted laser is parallel and be positioned on the same plane.
8. display device according to claim 4 is characterized in that, said display device also comprises the image amplifying unit and/or expands bundle, shimming, eliminating coherence unit;
Said image amplifying unit is used for transferring to display unit again after the said coloured image amplification with the output in real time of image synthesis unit, and said display unit is used for showing in real time the said coloured image after amplifying;
Said expansion bundle, shimming, eliminating coherence unit adopt six; And each expands bundle, shimming, all corresponding single primary colours laser instrument in eliminating coherence unit, and said expansion bundle, shimming, eliminating coherence unit are used for its corresponding single primary colours laser instrument institute emitted laser is carried out transmitting it to the modulate unit again behind beam-expanding collimation, shimming shaping and the eliminating coherence.
9. display device according to claim 8 is characterized in that, said image amplifying unit adopts projecting lens.
10. the glasses that can be used with arbitrary described 3D display device among the claim 1-9 comprise two eyeglasses, it is characterized in that, said two eyeglasses adopt filter plate,
An eyeglass in said two eyeglasses passes through one group of institute's emitted laser in said two groups of LASER Light Sources, and another eyeglass passes through another group institute emitted laser in said two groups of LASER Light Sources,
Perhaps an eyeglass in two eyeglasses passes through one group of institute's emitted laser in said many group LASER Light Sources, and another eyeglass passes through one of other groups in said many group LASER Light Sources institute's emitted laser.
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