Color display device using light shutter and color filters

Details Color display device using light shutter and color filters Color display device using light shutter and color filters

1996-09-20

2000-07-25

Lee, Michael

Television

Video display

Liquid crystal

345 88, 349106, 349 61, 349 65, 349 69, 349 70, H04N 930, H04N 566

Patent

active

RE0367923

ABSTRACT:
A color display device particularly adapted for use in flat panel applications provides a bright picture with high saturation and excellent color reproduction. The color display device includes a light shutter mechanism which controls the amount of light passing therethrough. Color filters of different colors are disposed adjacent to the light shutter mechanism and include a plurality of color elements. Each color filter has a peak at the transmittance spectrum thereof. A light source illuminates the light shutter mechanism with the light source having peaks in a luminance spectrum adjusted to correspond to the peaks of the transmittance spectrum of each color filter.

REFERENCES:
patent: 2925532 (1960-02-01), Larach
patent: 3840628 (1974-10-01), Fischer
patent: 3840695 (1974-10-01), Fischer
patent: 4011001 (1977-03-01), Moriya
patent: 4183628 (1980-01-01), Laesser et al.
patent: 4506956 (1985-03-01), Dir
The 142.sup.nd Committee on Organic Materials for Information Science, 28.sup.th Joint Research Reference, Nov. 25, 1983 (full translation).
Technical Report of the Institute of Television Engineers of Japan, Image Displays, Liquid Crystal Multicolor Display, Dec. 1981 (full translation).
Proceedings of the 3.sup.rd International Display Research Conference, Japan Display '83, A-Si TFT Active-Matrix Full Color LC TV (Oct. 1983).
A. G. Fischer, "Progress Toward TFT-Addressed TNLC Flat-Panel Color Television", Nonemissive Electrooptic Displays, Plenum Press, 1976, pp. 342-348.
J. C. Wood, "Optimized Wedge Illuminator for a Liquid-Filled Passive Display", IBM Technical Disclosure Bulletin, vol. 24, No. 11A, Apr. 1982, pp. 5368-5370.

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