Liquid crystal display device comprises a plurality of TFTs with

Details Liquid crystal display device comprises a plurality of TFTs with Liquid crystal display device comprises a plurality of TFTs with

1996-10-11

1998-11-10

Sikes, William L.

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349 46, 349139, 349143, 349146, 349148, G02F 1136, G02F 11343

Patent

active

058351710

ABSTRACT:
The present invention relates to the structure of an active matrix type liquid crystal display device in which a channel length of a thin film transistor without increasing resistance of a scanning line region to improve a switching characteristic. A slit is formed at the channel of the thin film transistor formed on the scanning line region. The slit is used as a mask and a pattern of a channel protection film for determining the channel of the thin film transistor is formed by exposure form a back surface of a substrate. According to this method, a desirable channel length can be obtained, and the scanning line region, facing to the channel through the slit, functions as an auxiliary region, so that the resistance of the scanning line region can be reduced.

REFERENCES:
patent: 5508765 (1996-04-01), Nakagawa et al.
patent: 5517341 (1996-05-01), Kim et al.

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