Thin film transistor liquid crystal display with main gate elect

Details Thin film transistor liquid crystal display with main gate elect Thin film transistor liquid crystal display with main gate elect

1997-06-13

1998-11-10

Gross, Antia Pellman

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349 42, 349 43, 257366, 257408, G02F 1136, H01L 2976

Patent

active

058351728

ABSTRACT:
A thin-film transistor liquid crystal display includes a substrate, an active layer on the substrate, having first and second impurity regions and first, second, and third non-impurity regions, gate insulating layer on the active layer, first and second electric field control layers on the second and third non-impurity regions, respectively, first and second subsidiary gate electrodes on the first and second electric field control layers, respectively, and a main gate electrode on the gate insulating layer, the main gate electrode contacting the first and second subsidiary gate electrodes and the first and second electric field control layers, respectively.

REFERENCES:
patent: 4907197 (1990-03-01), Uchida
patent: 5047816 (1991-09-01), Cuevas
patent: 5124769 (1992-06-01), Tanaka et al.
patent: 5208476 (1993-05-01), Inoue
patent: 5672515 (1997-09-01), Hayashi et al.

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