TFT array substrate and liquid crystal display device using it

Details TFT array substrate and liquid crystal display device using it TFT array substrate and liquid crystal display device using it

2006-08-29

2006-08-29

Nguyen, Dung T. (Department: 2871)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

Reexamination Certificate

active

07098969

ABSTRACT:
The widths of those portions of a semiconductor layer5and a drain line6aoverlapping with it which cross an edge line of a gate electrode2are made smaller than the channel width of a thin-film transistor. With this measure, the overlap area of the gate electrode2and a drain electrode6is reduced. As a result, a variation of the above overlap area due to alignment errors in a photolithography apparatus used in patterning the gate lines2,the drain electrodes6,and source electrodes7can be reduced and the frequency of occurrence of display defects can be decreased.

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