Liquid crystal color display device

Details Liquid crystal color display device Liquid crystal color display device

1985-12-23

1988-12-27

Miller, Stanley D.

350339R, 350345, G02F 113

Patent

active

047936916

ABSTRACT:
A liquid crystal color display device having a liquid crystal unit, a light source, and a color filter. The liquid crystal unit has a liquid crystal cell having a sealed liquid crystal material and a transparent pixel electrode composed of pixel electrode elements. The liquid crystal unit controls transmission and shutoff of light dependent on image information. The color filter is positioned for passage therethrough of light emitted from the light source. The color filter comprises pixel filters aligned with the pixel electrode elements in the liquid crystal cell. The spectral light transmission ranges of the respective pixel filters and/or the spectral light emission ranges of the light source are determined for improved improving color reproduceability.

REFERENCES:
patent: 3840695 (1974-10-01), Fischer
patent: 4003081 (1987-01-01), Hilsum et al.
patent: 4289383 (1981-09-01), Schwarzschild
patent: 4470666 (1984-09-01), Eick
patent: 4526818 (1985-07-01), Hoshikawa et al.
patent: 4610507 (1986-09-01), Kamamori et al.
patent: 4611889 (1986-09-01), Buzak
patent: 4678285 (1987-07-01), Ohta et al.

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