Liquid crystal display device and driving method therefor

Details Liquid crystal display device and driving method therefor Liquid crystal display device and driving method therefor

1996-07-23

2000-05-16

Brier, Jeffery

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

349106, 349110, 349111, 359 67, G09G 336, G02F 11335

Patent

active

060643587

ABSTRACT:
A liquid crystal active matrix display device includes a first substrate having a thin film transistor formed thereon. A light-screening film 1 is located on the first substrate in a manner to be overlapped with an ITO. The display device includes a second substrate having a color filter and a light-screening film 2 formed thereon. The second substrate is opposed to the first substrate. The light-screening film 2 extends from the uncontrollable area by a certain value depending on a voltage from the external, resulting in improving a numerical aperture.

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patent: 4824213 (1989-04-01), Morokawa
patent: 5028122 (1991-07-01), Hamada et al.
patent: 5132830 (1992-07-01), Fukutani et al.
patent: 5162933 (1992-11-01), Kakuda et al.
patent: 5327001 (1994-07-01), Wakai et al.

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