CN201926854U - Color gamut expansion compact micro optical engine based on CF-LCoS (color filter-liquid crystal on silicon) - Google Patents
Color gamut expansion compact micro optical engine based on CF-LCoS (color filter-liquid crystal on silicon) Download PDFInfo
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- CN201926854U CN201926854U CN2010206499561U CN201020649956U CN201926854U CN 201926854 U CN201926854 U CN 201926854U CN 2010206499561 U CN2010206499561 U CN 2010206499561U CN 201020649956 U CN201020649956 U CN 201020649956U CN 201926854 U CN201926854 U CN 201926854U
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Abstract
The utility model belongs to the technical field of a projection display and relates to a color gamut expansion compact micro optical engine based on a CF-LCoS (color filter-liquid crystal on silicon), The color gamut expansion compact micro optical engine is characterized in that an LED (light-emitting diode) illuminating source, a combined color illuminating system, a PBS (polarizing beam splitter) polarizing prism, a CF-LCoS micro display chip and a projection imaging objective lens are sequentially arranged along the propagation direction of the light ray, the light rays emitted by the LED illuminating source form a color gamut range and an illuminating light spot fully matched with the CF-LCoS micro display chip, the light spot illuminates the image of the CF-LCoS micro display chip to form a natural image with high color saturation, then the image is projected on a screen through the PBS polarizing prism and the projection imaging objective lens. Compared with the CF-LCoS projection system illuminated by the white light LED, the CF-LCoS-based color gamut expansion compact micro optical engine has the advantages that the color of the projected picture is saturated and natural, the expressive force is rich, the problem of unmatched color gamut caused by the white light LED is solved, and the color gamut expansion compact micro optical engine based on the CF-LCoS has a simple structure, is convenient to assemble and has low cost.
Description
Technical field
The utility model belongs to the projection display technique field, is specially a kind of miniature photo engine of gamut extension compact based on CF-LCoS.
Background technology
It is early stage that shadow casting technique rose in for 19th century, and LCoS is as a kind of miniature display technique, rise through the end of the nineties in 20 generation, perfect along with the maturation of technology, technology forms the gesture of making rival claims as an equal with DLP, LCD two big display techniques gradually on projection market.The structure of LCoS is the electric crystal of growing on monocrystalline silicon, utilize the integrated making of semiconductor to drive panel, on electric crystal, polish then by grinding technique, and in the above the aluminizer electrode as catoptron, form CMOS active dot matrix substrate, then CMOS substrate and the top glass substrate that contains ito transparent electrode are fitted the liquid crystal row on Sunday that reinjects encapsulation.It is very little that Pixel Dimensions can be done, and aperture opening ratio is up to 96%.CF-LCoS is on monochromatic LCoS chip, adds the CF film that is printed with the red, green, blue color-filter unit, then with the strict aligning in the liquid crystal imaging unit of this CF film and LCoS.Like this, originally a physical picture element on the LCoS panel has just become a corresponding primary color points, form a complete display pixel by 3 adjacent RGB primary color points, when white light is come in, control by driving circuit, the RGB lattice information of image correspondence is delivered to respectively on the corresponding physics display pixel, and according to the gray shade scale of this pixel, the rotation of control liquid crystal molecule, white light is carried out the control of light valve switch, after controlled white light sees through the color filter blade unit of physical picture element correspondence, form colored image.The advantage of CF-LCoS is to use conveniently, only needs monolithic panel and white light source just can generate coloured image.But discover, because white light source has fixing spectral distribution, and the spectral reflectivity of CF-LCoS generally can't mate fully with white light source, so the optical projection system by white light source and the design of monolithic CF-LCoS micro display chip can't be satisfactory on colored expressive force, the color restoration capability of image is relatively poor, and color saturation is on the low side.
Summary of the invention
At problems of the prior art, the purpose of this utility model is to provide that a kind of gamut range is wide, brightness is high, sharpness is high based on the technical scheme of the miniature photo engine of gamut extension compact of CF-LCoS.
The described miniature photo engine of gamut extension compact based on CF-LCoS, it is characterized in that setting gradually: the LED lighting source along the light ray propagation direction, close the look illuminator, the PBS polarizing prism, CF-LCoS micro display chip and projection imaging object lens, the light that the LED lighting source sends is by closing the illumination hot spot that look illuminator formation gamut range and CF-LCoS micro display chip mate fully, this hot spot illuminates the image of CF-LCoS micro display chip, formation color saturation height, the image of performance nature is then by the PBS polarizing prism, the projection imaging object lens with this image projection to screen.
The described miniature photo engine of gamut extension compact based on CF-LCoS is characterized in that described CF-LCoS micro display chip adopts colored filter type silicon base liquid crystal display chip.
The described miniature photo engine of gamut extension compact based on CF-LCoS is characterized in that described LED lighting source adopts colour gamut scalable led chip, and the described look illuminator of closing is by closing look integration optical wand and relaying imaging illuminator is formed.
The described miniature photo engine of gamut extension compact based on CF-LCoS, it is characterized in that single LEDs that described LED lighting source is made up of the luminescence chip of red, green, blue three looks, or single LEDs of forming by the luminescence chip of red, green, blue, Bai Sise, or single LEDs of forming by luminescence chip red, blue, Bai Sanse; The described look illuminator of closing is by closing look integration optical wand and relaying imaging illuminator is formed.
The described miniature photo engine of gamut extension compact based on CF-LCoS, it is characterized in that described LED lighting source is made up of two single LEDs, single the green LED that one of them is made up of the green luminescence chip, single the red blue led that another is made up of luminescence chip red, blue dichromatism; The described look illuminator of closing is by closing look integration optical wand, relaying imaging illuminator and closing the look mirror and form.
The described miniature photo engine of gamut extension compact based on CF-LCoS, it is characterized in that described LED lighting source is made up of three single LEDs, respectively single the green LED of forming by the green emitting chip, single the red LED of forming by the emitting red light chip, single blue led forming by the blue-light-emitting chip; The described look illuminator of closing is divided into three the tunnel, respectively by closing look integration optical wand, relaying imaging illuminator and closing the look mirror and form.
The described miniature photo engine of gamut extension compact based on CF-LCoS, it is characterized in that the described look illuminator of closing is divided into three the tunnel, the look illuminator of closing of single green LED correspondence is closed look integration optical wand by first, the first relaying imaging illuminator, first closes the look mirror, second closes the look mirror forms, the look illuminator of closing of single red LED correspondence is closed look integration optical wand by second, the second relaying imaging illuminator, first closes the look mirror, second closes the look mirror forms, and the look illuminator of closing of single blue led correspondence is closed look integration optical wand by the 3rd, the 3rd relaying imaging illuminator, second closes the look mirror forms.
The described miniature photo engine of gamut extension compact based on CF-LCoS, it is characterized in that the described look illuminator of closing is divided into three the tunnel, the look illuminator of closing of single blue led correspondence is closed look integration optical wand by the 3rd, the 3rd relaying imaging illuminator, the 3rd closes the look mirror, the 4th closes the look mirror forms, the look illuminator of closing of single red LED correspondence is closed look integration optical wand by second, the second relaying imaging illuminator, the 3rd closes the look mirror, the 4th closes the look mirror forms, and the look illuminator of closing of single green LED correspondence is closed look integration optical wand by first, the first relaying imaging illuminator, the 4th closes the look mirror forms.
The described miniature photo engine of gamut extension compact based on CF-LCoS is characterized in that the described look illuminator of closing is divided into three the tunnel, by closing look integration optical wand, relaying imaging illuminator, closing look X-cube and form.
The above-mentioned miniature photo engine of gamut extension compact based on CF-LCoS, lighting source adopts colour gamut scalable led light source, the white-light illuminating of coupling fully that the look illuminator realizes that the color filter to CF-LCoS sees through for twice that closes by compact, because the colour gamut scalable of lighting source, can mate fully with the color filter transmissison characteristic of CF-LCoS, final realization utilizes the projection of CF-LCoS micro display chip to obtain color saturation height, strong, the perfect naturally projection output image of color rendition power; Only adopt White-light LED illumination CF-LCoS optical projection system to compare with prior art, utilize colour gamut scalable led light source and the compact illuminating bundle that closes the synthetic suitable CF-LCoS colour gamut requirement of look illuminator, make the saturated nature of projected image color, expressive force is abundant, overcome the colour gamut mismatch problem that white light LEDs causes, simultaneously described compact closes the look illuminator and can utilize small size to realize closing look, equal purposes of light, colour gamut coupling; Total system is simple in structure, and is easy to assembly, and cost is low, has wide gamut range simultaneously, high brightness, and the advantage of high-contrast and high uniformity, environmental protection, the product miniaturization is suitable for large-scale production.
Description of drawings
Fig. 1 is gamut range contrast synoptic diagram;
Fig. 2 is the adjustable single LEDs of colour gamut that relates in the utility model, contains the synoptic diagram of three kinds of luminescence chips of red, green, blue on it respectively;
Fig. 3 is the adjustable single LEDs of colour gamut that relates in the utility model, contains the synoptic diagram of red, green, blue, Bai Si kind luminescence chip on it respectively;
Fig. 4 is the adjustable single LEDs of colour gamut that relates in the utility model, contains the synoptic diagram of red, blue, white three kinds of luminescence chips on it respectively;
Fig. 5 be relate in the utility model utilize the adjustable single LEDs illumination of colour gamut close look illuminator and projection light engines system schematic based on CF-LCoS;
Fig. 6 is the two adjustable LEDs of colour gamut that relate in the utility model, is respectively to contain the green emitting chip on one, contains synoptic diagram red, blue luminescence chip on another;
Fig. 7 be relate in the utility model utilize the illumination of adjustable moral two LEDs of colour gamut close look illuminator and projection light engines system schematic based on CF-LCoS;
Fig. 8 is the three adjustable LEDs of colour gamut that relate in the utility model, is respectively to contain the green emitting chip on first, contains the emitting red light chip on second, contains the synoptic diagram of blue-light-emitting chip on the 3rd;
Fig. 9 is the synoptic diagram that closes look illuminator and projection light engines system embodiment one based on CF-LCoS that utilizes the adjustable three LEDs illumination of colour gamut that relates in the utility model;
Figure 10 is the synoptic diagram that closes look illuminator and projection light engines system embodiment two based on CF-LCoS that utilizes the adjustable three LEDs illumination of colour gamut that relates in the utility model;
Figure 11 is the synoptic diagram that closes look illuminator and projection light engines system embodiment three based on CF-LCoS that utilizes the adjustable three LEDs illumination of colour gamut that relates in the utility model.
Embodiment
Below in conjunction with Figure of description the utility model is described further:
Table 1 has provided the chromaticity coordinates that utilizes white LED light source and colour gamut scalable led light source to divide other to obtain, data are when the white attitude of ray machine under the chromaticity coordinates basically identical situation in the table, promptly regulate colour gamut scalable LED and make the white attitude of complete machine output of the chromaticity coordinates of white attitude of complete machine output and white light LEDs identical that (chromaticity coordinates is (0.36 during the white attitude of white light LEDs, 0.4)), and then utilize test board to produce the result that the test of RGB pure color obtains respectively.Adopt the colour gamut formula of NTSC definition, i.e. the ratio of equipment three primary colors Color Range and the area of NTSC three primary colors Color Range on chromatic diagram, wherein the trichromatic chromaticity coordinates of NTSC is R:(0.67,0.33); G:(0.21,0.71); B:(0.14,0.08), computing formula is:
The result can find from table, has brought up to 115.5% based on the complete machine colour gamut of the micro projection photo engine of CF-LCoS from 43%, can realize wide colour gamut output, has more gorgeous realistic colour reducing power.
Table 1 is as follows:
As shown in Figure 1, the black triangle zone is a NTSC standard colour gamut among the figure, the gamut range of micro projection photo engine when the grey delta-shaped region is White-light LED illumination, the gamut range of micro projection photo engine when white triangles shape is thrown light on for the colour gamut adjustable LED.On scheming, can find to adopt the projection light engines of colour gamut adjustable LED illumination CF-LCoS micro display chip design can contain the more NTSC color space, better color restoration capability is arranged.
Colour gamut scalable LED as shown in Figure 2, this LED contains three kinds of luminescence chips of red, green, blue, three kinds of chips all are encapsulated on the LEDs, three kinds of luminescence chips can be distinguished driven for emitting lights, can control its luminous intensity by the drive current of regulating three kinds of luminescence chips, thereby reach the purpose of regulating the light colour gamut after synthesizing.
Colour gamut scalable LED as shown in Figure 3, this LED contains red, green, blue, white three kinds of luminescence chips, four kinds of chips all are encapsulated on the LEDs, four kinds of luminescence chips can be distinguished driven for emitting lights, can control its luminous intensity by the drive current of regulating four kinds of luminescence chips, thereby reach the purpose of regulating the light colour gamut after synthesizing.
Colour gamut scalable LED as shown in Figure 4, this LED contains red, blue, white three kinds of luminescence chips, three kinds of chips all are encapsulated on the LEDs, three kinds of luminescence chips can be distinguished driven for emitting lights, can control its luminous intensity by the drive current of regulating three kinds of luminescence chips, thereby reach the purpose of regulating the light colour gamut after synthesizing.
As shown in Figure 5, that utilizes single colour gamut scalable LED closes look illuminator and projection light engines system, be provided with successively along the light ray propagation direction: LED lighting source 1, close look integration optical wand 2, relaying imaging illuminator 3, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens 6, each luminescence chip on the LED lighting source 1 sends light and directly enters and close look integration optical wand 2, after repeatedly light is spared in reflection in the integration optical wand, light on each chip all forms uniformly on the outgoing end face that closes look integration optical wand 2 and distributes, thereby synthetic uniform emergent light on the outgoing end face that closes look integration optical wand 2, regulate the electric current of each chip and can control its luminous intensity, thereby can regulate the colour gamut of the even emergent light that closes look integration optical wand 2 outgoing end faces, obtain the illumination white light that is complementary with CF-LCoS micro display chip 5.Even and the colour gamut coupling outgoing hot spot that closes on the look integration optical wand 2 outgoing end faces amplifies 3-5 times of backs and is fit to the illuminating ray that CF-LCoS micro display chip 5 areas, angle, polarization and colour gamut all are complementary by 4 generations of PBS polarizing prism by relaying imaging illuminator 3, image on the CF-LCoS micro display chip 5 is illuminated and be amplified on the screen, on screen, obtain the display image of color full and natural by 6 projections of projection imaging object lens.
Colour gamut scalable LED as shown in Figure 6, this led light source is made up of two LEDs, go up encapsulation green emitting chip for first, go up the red and blue-light-emitting chip of encapsulation for second, three kinds of luminescence chips can be distinguished driven for emitting lights, can control its luminous intensity by the drive current of regulating three kinds of luminescence chips, thereby reach the purpose of regulating the light colour gamut after synthesizing.
As shown in Figure 7, that utilizes two colour gamut scalable LED closes look illuminator and projection light engines system, be divided into two paths of signals along the light ray propagation direction, the first via: single green LED 11, first closes look integration optical wand 21, the first relaying imaging illuminator 31, close look mirror 7, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens 6, the second tunnel: single red blue led 122, second closes look integration optical wand 22, the second relaying imaging illuminator 32, close look mirror 7, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens are 6; The light that sends on single green LED 11 directly enters first and closes look integration optical wand 21, by after first closes in the look integration optical wand 21 repeatedly the even light of reflection, closes synthetic uniform emergent light on the outgoing end face of look integration optical wand 21 first; Each red, blue luminescence chip on single red blue led 122 sends light and directly enters second and close look integration optical wand 22, by after second closes in the look integration optical wand 22 the even light of repeatedly reflection, light on each chip all closes to form uniformly on the outgoing end face of look integration optical wand 22 second and distributes, thereby closes synthetic uniformly synthetic emergent light on the outgoing end face of look integration optical wand 22 second.First closes look integration optical wand 21 and second closes uniform light on the look integration optical wand 22 outgoing end faces respectively by obtaining the less light of angle after the relaying imaging len fore-end lens combination, advance to close look mirror 7 respectively, close look mirror 7 transmissions first and close the even green light that look integration optical wand 21 sends, the even red blue light line that look integration optical wand 22 sends is closed in reflection second, thereby forms uniform synthesize white light in the beam projecting direction of closing look mirror 7.Regulate the electric current of each chip on single green LED 11 and single the red blue led 122 and can control its luminous intensity, thereby can regulate the colour gamut of the even emergent light that closes look mirror 7 exit directions, obtain the illumination white light that is complementary with CF-LCoS micro display chip 5.Such first close look integration optical wand 21 and second close on the look integration optical wand 22 outgoing end faces evenly and colour gamut coupling outgoing hot spot by the relaying imaging len and close look mirror 7 back synthesize white lights and amplify 3-5 doubly after, produce the illuminating ray that suitable CF-LCoS chip area, angle, polarization and colour gamut all are complementary by PBS polarizing prism 4, image on the CF-LCoS micro display chip 5 is illuminated and be amplified on the screen, on screen, obtain the display image of color full and natural by 6 projections of projection imaging object lens.
Colour gamut scalable LED as shown in Figure 8, this led light source is made up of three LEDs, go up encapsulation green emitting chip for first, go up encapsulation emitting red light chip for second, go up encapsulation blue-light-emitting chip for the 3rd, three kinds of luminescence chips can be distinguished driven for emitting lights, can control its luminous intensity by the drive current of regulating three kinds of luminescence chips, thereby reach the purpose of regulating the light colour gamut after synthesizing.
As shown in Figure 9, utilize the embodiment one that closes look illuminator and projection light engines system of three colour gamut scalable LED, be divided into three road signals along the light ray propagation direction, the first via: single green LED 11, first closes look integration optical wand 21, the first relaying imaging illuminator 31, first closes look mirror 711, second closes look mirror 721, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens 6, the second the tunnel: single red LED 12, second closes look integration optical wand 22, the second relaying imaging illuminator 32, first closes look mirror 711, second closes look mirror 721, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens are 6, Third Road: single blue led 13, the 3rd closes look integration optical wand 23, the 3rd relaying imaging illuminator 33, second closes look mirror 721, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens 6.The green glow that sends on single green LED 11 directly enters first and closes look integration optical wand 21, by after first closes in the look integration optical wand 21 repeatedly the even light of reflection, closes synthetic uniform green emergent light on the outgoing end face of look integration optical wand 21 first; Close look mirror 711, the first and close look mirror 711 transmit green through entering first behind the first relaying imaging illuminator, the 31 fore-end lens, reflect red, the green glow on single green LED 11 can transmission first close look mirror 711 like this; Emitting red light chip on single red LED 12 sends light and directly enters second and close look integration optical wand 22, by after second closes in the look integration optical wand 22 the even light of repeatedly reflection, close second and to form uniform red emergent light on the outgoing end face of look integration optical wand 22, close look mirror 711 through entering first behind the second relaying imaging illuminator, the 32 fore-end lens, first closes look mirror 711 transmit green, reflect red, like this ruddiness on single red LED 12 can through first close 711 reflections of look mirror after along optic path; First closes transmit green behind the look mirror 711 and reflect red enters second and closes look mirror 721, the second and close red, the green glow of look mirror 721 transmissions, reflect blue, and such second closes look mirror 721 can the transmission red-green glow; Blue-light-emitting chip on single blue led 13 sends light and directly enters the 3rd and close look integration optical wand 23, by after the 3rd closes in the look integration optical wand 23 the even light of repeatedly reflection, close the 3rd and to form uniform blue emergent light on the outgoing end face of look integration optical wand 23, close look mirror 721 through entering second behind the 3rd relaying imaging illuminator 33 fore-end lens, second closes look mirror 721 transmission red-green glows, reflect blue, like this blue light on single blue led 13 can through second close 721 reflections of look mirror after along optic path; Such three road light can synthesize the white light of illumination CF-LCoS micro display chip 5.Regulate the electric current of each chip on single green LED 11, single red LED 12 and single the blue led 13 and can control its luminous intensity, thereby can regulate second colour gamut of closing the even emergent light of look mirror 721 exit directions, obtain the illumination white light that is complementary with CF-LCoS micro display chip 5.First close look integration optical wand 21, second close look integration optical wand the 22, the 3rd close on the look integration optical wand 23 outgoing end faces evenly and colour gamut coupling outgoing hot spot by relaying imaging len and first close look mirror 711, second close look mirror 721 back synthesize white lights and amplify 3-5 doubly after, produce the illuminating ray that suitable CF-LCoS chip area, angle, polarization and colour gamut all are complementary by PBS polarizing prism 4, image on the CF-LCoS micro display chip 5 is illuminated and be amplified on the screen, on screen, obtain the display image of color full and natural by 6 projections of projection imaging object lens.
As shown in figure 10, utilize the embodiment two that closes look illuminator and projection light engines system of three colour gamut scalable LED, be divided into three road signals along the light ray propagation direction, the first via: single blue led 13, the 3rd closes look integration optical wand 23, the 3rd relaying imaging illuminator 33, the 3rd closes look mirror 712, the 4th closes look mirror 722, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens 6, the second the tunnel: single red LED 12, second closes look integration optical wand 22, the second relaying imaging illuminator 32, the 3rd closes look mirror 712, the 4th closes look mirror 722, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens are 6, Third Road: single green LED 11, first closes look integration optical wand 21, the first relaying imaging illuminator 31, the 4th closes look mirror 722, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens 6.Blue-light-emitting chip on single blue led 13 sends light and directly enters the 3rd and close look integration optical wand 23, by after the 3rd closes in the look integration optical wand 23 the even light of repeatedly reflection, close the 3rd and to form uniform blue emergent light on the outgoing end face of look integration optical wand 23, close look mirror 712 through entering the 3rd behind the 3rd relaying imaging illuminator 33 fore-end lens, the 3rd closes look mirror 712 transmit blue, reflect red, the blue light on single blue led 13 can transmission the 3rd close look mirror 712 like this; Emitting red light chip on single red LED 12 sends light and directly enters second and close look integration optical wand 22, by after second closes in the look integration optical wand 22 the even light of repeatedly reflection, close second and to form uniform red emergent light on the outgoing end face of look integration optical wand 22, close look mirror 712 through entering the 3rd behind the second relaying imaging illuminator, the 32 fore-end lens, the 3rd closes look mirror 712 transmit blue, reflect red, like this ruddiness on single red LED 12 can through the 3rd close 712 reflections of look mirror after along optic path; The 3rd closes transmission blue green light behind the look mirror 712 and reflect red enters the 4th and closes look mirror 722, the four and close red, the blue light of look mirror 722 transmissions, reflect green light, and the such the 4th closes look mirror 722 can the red blue light of transmission; The green glow that sends on single green LED 11 directly enters first and closes look integration optical wand 21, by after first closes in the look integration optical wand 21 repeatedly the even light of reflection, closes synthetic uniform green emergent light on the outgoing end face of look integration optical wand 21 first; Close look mirror 722, the four and close the red blue light of look mirror 722 transmissions through entering the 4th behind the first relaying imaging illuminator, the 31 fore-end lens, reflect green light, like this green glow on single green LED 11 can through the 4th close 722 reflections of look mirror after along optic path; Such three road light can synthesize the white light of illumination CF-LCoS micro display chip 5.Regulate the electric current of each chip on single green LED 11, single red LED 12 and single the blue led 13 and can control its luminous intensity, thereby can regulate the 4th colour gamut of closing the even emergent light of look mirror 722 exit directions, obtain the illumination white light that is complementary with CF-LCoS micro display chip 5.First close look integration optical wand 21, second close look integration optical wand the 22, the 3rd close on the look integration optical wand 23 outgoing end faces evenly and colour gamut coupling outgoing hot spot by relaying imaging len and the 3rd close look mirror the 712, the 4th close look mirror 722 back synthesize white lights and amplify 3-5 doubly after, produce the illuminating ray that suitable CF-LCoS chip area, angle, polarization and colour gamut all are complementary by PBS polarizing prism 4, image on the CF-LCoS micro display chip 5 is illuminated and be amplified on the screen, on screen, obtain the display image of color full and natural by 6 projections of projection imaging object lens.
As shown in figure 11, utilize the embodiment three that closes look illuminator and projection light engines system of three colour gamut scalable LED, be divided into three road signals along the light ray propagation direction, the first via: single green LED 11, first closes look integration optical wand 21, the first relaying imaging illuminator 31, close look X-cube8, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens 6, the second the tunnel: single red LED 12, second closes look integration optical wand 22, the second relaying imaging illuminator 32, close look X-cube8, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens are 6, Third Road: single blue led 13, the 3rd closes look integration optical wand 23, the 3rd relaying imaging illuminator 33, close look X-cube8, PBS polarizing prism 4, CF-LCoS micro display chip 5 and projection imaging object lens 6.The light that sends on single green LED 11, single red LED 12 and single the blue led 13 directly enters first respectively and closes look integration optical wand 21, second and close look integration optical wand the 22, the 3rd and close look integration optical wand 23, by after first closes look integration optical wand 21, second and close look integration optical wand the 22, the 3rd and close in the look integration optical wand 23 the even light of repeatedly reflection, close look integration optical wand 21, second first and close synthetic uniform emergent light on the outgoing end face that look integration optical wand the 22, the 3rd closes look integration optical wand 23; Close look X-cube8 through entering behind the first relaying imaging illuminator 31, the second relaying imaging illuminator 32, the 3rd relaying imaging illuminator 33 fore-end lens, two of the centres of X-cube8 are closed one of look film and are reflect red, transmission blue green light, another piece are reflect blue transmission red-green glow.Such three road light can synthesize the white light of illumination CF-LCoS micro display chip 5.Regulate the electric current of each chip on single green LED 11, single red LED 12 and single the blue led 13 and can control its luminous intensity, thereby can regulate the colour gamut of the even emergent light that closes look X-cube 8 exit directions, obtain the illumination white light that is complementary with CF-LCoS micro display chip 5.First close look integration optical wand 21, second close look integration optical wand the 22, the 3rd close on the look integration optical wand 23 outgoing end faces evenly and colour gamut coupling outgoing hot spot by the relaying imaging len and after closing look X-cube8 synthesize white light and amplify 3-5 doubly after, produce the illuminating ray that suitable CF-LCoS chip area, angle, polarization and colour gamut all are complementary by PBS polarizing prism 4, image on the CF-LCoS micro display chip 5 is illuminated and be amplified on the screen, on screen, obtain the display image of color full and natural by 6 projections of projection imaging object lens.
Above embodiment only is the technical characterictic and the exploitativeness of explanation this patent, and its purpose is to make the person skilled in art can understand the content of this patent and is implemented.Although this patent is described with reference to specific embodiment; but; these descriptions should be interpreted as a kind of restriction situation; the above description to this patent of reference obviously can be made the other embodiment to various improvement in the disclosed embodiment and this patent for those skilled in the art; all conversion of having done according to the design of this patent all belong to the protection domain of this patent.
Claims (9)
1. based on the miniature photo engine of gamut extension compact of CF-LCoS, it is characterized in that setting gradually along the light ray propagation direction: the LED lighting source, close look illuminator, PBS polarizing prism, CF-LCoS micro display chip and projection imaging object lens, the light that the LED lighting source sends forms the illumination hot spot that gamut range and CF-LCoS micro display chip mate fully by closing the look illuminator.
2. the miniature photo engine of gamut extension compact based on CF-LCoS according to claim 1 is characterized in that described CF-LCoS micro display chip adopts colored filter type silicon base liquid crystal display chip.
3. the miniature photo engine of gamut extension compact based on CF-LCoS according to claim 1, it is characterized in that described LED lighting source adopts colour gamut scalable led chip, the described look illuminator of closing is by closing look integration optical wand and relaying imaging illuminator is formed.
4. the miniature photo engine of gamut extension compact based on CF-LCoS according to claim 3, it is characterized in that single LEDs that described LED lighting source is made up of the luminescence chip of red, green, blue three looks, or single LEDs of forming by the luminescence chip of red, green, blue, Bai Sise, or single LEDs of forming by luminescence chip red, blue, Bai Sanse; The described look illuminator of closing is by closing look integration optical wand and relaying imaging illuminator is formed.
5. the miniature photo engine of gamut extension compact based on CF-LCoS according to claim 3, it is characterized in that described LED lighting source is made up of two single LEDs, single the green LED that one of them is made up of the green luminescence chip, single the red blue led that another is made up of luminescence chip red, blue dichromatism; The described look illuminator of closing is by closing look integration optical wand, relaying imaging illuminator and closing the look mirror and form.
6. the miniature photo engine of gamut extension compact based on CF-LCoS according to claim 3, it is characterized in that described LED lighting source is made up of three single LEDs, respectively single the green LED of forming by the green emitting chip, single the red LED of forming by the emitting red light chip, single blue led forming by the blue-light-emitting chip; The described look illuminator of closing is divided into three the tunnel, respectively by closing look integration optical wand, relaying imaging illuminator and closing the look mirror and form.
7. the miniature photo engine of gamut extension compact based on CF-LCoS according to claim 6, it is characterized in that the described look illuminator of closing is divided into three the tunnel, the look illuminator of closing of single green LED correspondence is closed look integration optical wand by first, the first relaying imaging illuminator, first closes the look mirror, second closes the look mirror forms, the look illuminator of closing of single red LED correspondence is closed look integration optical wand by second, the second relaying imaging illuminator, first closes the look mirror, second closes the look mirror forms, and the look illuminator of closing of single blue led correspondence is closed look integration optical wand by the 3rd, the 3rd relaying imaging illuminator, second closes the look mirror forms.
8. the miniature photo engine of gamut extension compact based on CF-LCoS according to claim 6, it is characterized in that the described look illuminator of closing is divided into three the tunnel, the look illuminator of closing of single blue led correspondence is closed look integration optical wand by the 3rd, the 3rd relaying imaging illuminator, the 3rd closes the look mirror, the 4th closes the look mirror forms, the look illuminator of closing of single red LED correspondence is closed look integration optical wand by second, the second relaying imaging illuminator, the 3rd closes the look mirror, the 4th closes the look mirror forms, and the look illuminator of closing of single green LED correspondence is closed look integration optical wand by first, the first relaying imaging illuminator, the 4th closes the look mirror forms.
9. the miniature photo engine of gamut extension compact based on CF-LCoS according to claim 6 is characterized in that the described look illuminator of closing is divided into three the tunnel, by closing look integration optical wand, relaying imaging illuminator, closing look X-cube and form.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206499561U CN201926854U (en) | 2010-12-09 | 2010-12-09 | Color gamut expansion compact micro optical engine based on CF-LCoS (color filter-liquid crystal on silicon) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206499561U CN201926854U (en) | 2010-12-09 | 2010-12-09 | Color gamut expansion compact micro optical engine based on CF-LCoS (color filter-liquid crystal on silicon) |
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| CN201926854U true CN201926854U (en) | 2011-08-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081289A (en) * | 2010-12-09 | 2011-06-01 | 杭州晶景光电有限公司 | Color gamut extending compact type micro light engine based on CF-LCoS (color filter liquid crystal on silicon) |
| CN103148421A (en) * | 2012-12-24 | 2013-06-12 | 浙江大学 | Suspended LED (light-emitting diode) multispectral shadowless lamp |
-
2010
- 2010-12-09 CN CN2010206499561U patent/CN201926854U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102081289A (en) * | 2010-12-09 | 2011-06-01 | 杭州晶景光电有限公司 | Color gamut extending compact type micro light engine based on CF-LCoS (color filter liquid crystal on silicon) |
| CN103148421A (en) * | 2012-12-24 | 2013-06-12 | 浙江大学 | Suspended LED (light-emitting diode) multispectral shadowless lamp |
| CN103148421B (en) * | 2012-12-24 | 2015-12-23 | 浙江大学 | The multispectral shadowless lamp of a kind of sky hanging LED |
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