Active color liquid crystal display element compensating for dif

Details Active color liquid crystal display element compensating for dif Active color liquid crystal display element compensating for dif

1988-01-14

1989-03-07

Miller, Stanley D.

350336, 350339R, 350334, G02F 113

Patent

active

048100609

ABSTRACT:
In an active color liquid crystal display element in which display electrodes are arranged in a matrix form within a liquid crystal cell, color filters of three primary colors are each disposed opposite one of the display electrodes, the color filters of the three colors being distributed substantially uniformly, and a thin film transistor connected to each display electrode is controlled, by switching, in accordance with an input color image signal to charge and discharge the display electrode for displaying a color image, the structures of the thin film transistors are selected corresponding to the color filters of the three primary colors so that substantially the same light transmission-voltage characteristic is provided for all the three color filter portions.

REFERENCES:
patent: 4600274 (1986-07-01), Morozumi
patent: 4601546 (1986-07-01), Ohta
patent: 4716403 (1987-12-01), Morozumi
patent: 4728172 (1988-03-01), Cannella
patent: 4728175 (1988-03-01), Baron
patent: 4761058 (1988-08-01), Okubo et al.

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