LCOS display panel having a micro dichroic layer positioned in the back plane to filter colors
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C09K-019/60
G02F-001/1335
G02F-001/13
출원번호
US-0904156
(2004-10-27)
등록번호
US-7268852
(2007-09-11)
발명자
/ 주소
Kuan,Ta Shuang
Whitehead, Jr.,Anthony Joseph
Lin,Chia Te
Chan,Chia Tsung
출원인 / 주소
United Microdisplay Optronics Corp.
인용정보
피인용 횟수 :
12인용 특허 :
4
초록▼
An LCOS panel has a back plane, a plurality of pixel electrodes positioned on a surface of the back plane, a light absorbent layer positioned on the pixel electrodes, a micro dichroic layer positioned on the light absorbent layer, and a liquid crystal layer filled between the micro dichroic layer an
An LCOS panel has a back plane, a plurality of pixel electrodes positioned on a surface of the back plane, a light absorbent layer positioned on the pixel electrodes, a micro dichroic layer positioned on the light absorbent layer, and a liquid crystal layer filled between the micro dichroic layer and the front plane.
대표청구항▼
What is claimed is: 1. An LCOS display panel comprising: a back plane comprising: a plurality of pixel electrodes arranged in an array on a surface of the back plane; a light absorbent layer positioned on the pixel electrodes; and a micro dichroic layer positioned on the light absorbent layer; a f
What is claimed is: 1. An LCOS display panel comprising: a back plane comprising: a plurality of pixel electrodes arranged in an array on a surface of the back plane; a light absorbent layer positioned on the pixel electrodes; and a micro dichroic layer positioned on the light absorbent layer; a front plane positioned above the micro dichroic layer; and a liquid crystal layer filled in between the micro dichroic layer and the front plane. 2. The LCOS display panel of claim 1, wherein the light absorbent layer is used to absorb the light beams penetrating the micro dichroic layer. 3. The LCOS display panel of claim 1, wherein the micro dichroic layer comprises a plurality of optical thin films with different refractivities. 4. The LCOS display panel of claim 1, wherein the micro dichroic layer comprises a plurality of micro dichroic filters. 5. The LCOS display panel of claim 4, wherein each micro dichroic filter reflects light beams having a wavelength within a predetermined wavelength range, and allows light beams having a wavelength beyond the predetermined wavelength range to penetrate. 6. The LCOS display panel of claim 5, wherein the predetermined wavelength range is a wavelength range of red visible lights. 7. The LCOS display panel of claim 5, wherein the predetermined wavelength range is a wavelength range of green visible lights. 8. The LCOS display panel of claim 5, wherein the predetermined wavelength range is a wavelength range of blue visible lights. 9. The LCOS display panel of claim 1, wherein the LCOS display panel is a single-panel type LCOS display panel. 10. The LCOS display panel of claim 1, further comprising a transparent electrode layer on a surface of the front plane facing the back plane. 11. The LCOS display panel of claim 10, further comprising a top alignment layer positioned between the transparent electrode layer and the liquid crystal layer. 12. The LCOS display panel of claim 11, further comprising a bottom alignment layer positioned between the micro dichroic layer and the liquid crystal layer. 13. A LCOS display panel comprising: a back plane comprising: a plurality of pixel electrodes arranged in an array on a surface of the back plane; and a micro dichroic layer positioned above the pixel electrodes; a front plane positioned above the micro dichroic layer; and a liquid crystal layer filled in between the micro dichroic layer and the front plane. 14. The LCOS display panel of claim 13, further comprising a light absorbent layer positioned between the pixel electrodes and the micro dichroic layer for absorbing light beams penetrating the micro dichroic layer. 15. The LCOS display panel of claim 13, wherein the micro dichroic filter comprises a plurality of optical thin films with different refractivities. 16. The LCOS display panel of claim 13, wherein the micro dichroic layer comprises a plurality of red micro dichroic filters, a plurality of green micro dichroic filters, and a plurality of blue micro dichroic filters. 17. The LCOS display panel of claim 16, wherein the red micro dichroic filters reflect light beams having a wavelength within a wavelength range of red visible lights, and allow light beams beyond the wavelength range of red visible lights. 18. The LCOS display panel of claim 16, wherein the green micro dichroic filters reflect light beams having a wavelength within a wavelength range of green visible lights, and allow light beams beyond the wavelength range of green visible lights. 19. The LCOS display panel of claim 16, wherein the blue micro dichroic filters reflect light beams having a wavelength within a wavelength range of blue visible lights, and allow light beams beyond the wavelength range of blue visible lights. 20. The LCOS display panel of claim 13, further comprising a transparent electrode layer positioned on a surface of the front plane facing the back plane. 21. The LCOS display panel of claim 20, further comprising a top alignment layer positioned between the transparent electrode layer and the liquid crystal layer, and a bottom alignment layer positioned between the micro dichroic layer and the liquid crystal layer.
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이 특허에 인용된 특허 (4)
Huibers,Andrew; Patel,Satyadev; Tarn,Terry, Light blocking layers in MEMS packages.
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Ryf, Roland, Compact image projector having a mirror for reflecting a beam received from a polarization beam splitter back to the polarization beam splitter.
Chen, Gang; Ryf, Roland, System and method generating multi-color light for image display having a controller for temporally interleaving the first and second time intervals of directed first and second light beams.
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