Color shutter liquid crystal display system
First Claim
Patent Images
1. A liquid crystal display system comprising:
- a light source;
a first liquid crystal display and a second liquid crystal display, each display being positioned on an optical path to receive light from the source; and
a color shutter system positioned along an optical path between the source and the first liquid crystal display, the color shutter system comprising a retarder or a cholesteric film such that the color shutter system controls transmission of a primary color through the first display, the first display generating an image that is combined with an image generated by the second display to provide a color image.
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Abstract
The present invention relates to a liquid crystal display system in which a pair of transmission displays are used with a light source, and coupling optics to provide a small, high resolution optically efficient color imaging system. A preferred embodiment of the system comprises a color shutter to control color transmission through each liquid crystal display.
114 Citations
30 Claims
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1. A liquid crystal display system comprising:
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a light source; a first liquid crystal display and a second liquid crystal display, each display being positioned on an optical path to receive light from the source; and a color shutter system positioned along an optical path between the source and the first liquid crystal display, the color shutter system comprising a retarder or a cholesteric film such that the color shutter system controls transmission of a primary color through the first display, the first display generating an image that is combined with an image generated by the second display to provide a color image. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A liquid crystal display system comprising:
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a light source; a first liquid crystal display and a second liquid crystal display, both displays being positioned on an optical path to receive light from the source; a color shutter system positioned along the optical path between the source and the first liquid crystal display such that the color shutter controls transmission of a primary color through the display; and a retarder between the color shutter and the first display, the retarder altering a polarization state of the primary color without altering a polarization state of a second primary color. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 15)
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16. A color shutter display system comprising:
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a first display, a second display, and a third display, said displays being positioned on an optical path; a first retarder positioned between the first display and the second display; and a second retarder positioned between the second display and the third display such that the display system generates a color image. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A method of displaying a color image comprising:
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providing a first display, a second display, and a third display, said displays being positioned on an optical path; providing a first retarder positioned between the first display and the second display; providing a second retarder positioned between the second display and the third display; directing light from a light source through the first display; altering a polarization state of a first color of light with the first retarder without altering a polarization state of a second color; directing the first color and the second color onto the second display such that the first color is unaltered by the second display; and altering a polarization state of the first color with the second retarder. - View Dependent Claims (27, 28, 29, 30)
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Specification