Liquid crystal display thin film transistor array with redundant

Details Liquid crystal display thin film transistor array with redundant Liquid crystal display thin film transistor array with redundant

1998-10-08

1999-07-27

Sikes, William L.

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

349 46, 349 54, G02F 1136

Patent

active

059299479

ABSTRACT:
A liquid crystal display thin film transistor array includes gate bus lines, drain bus lines electrically isolated from the gate bus lines by a first insulating film, a thin film transistor arranged near the intersection of the gate bus line and the drain bus line, and a pixel electrode made of a transparent conductive film. The thin film transistor includes a gate electrode, a drain electrode, and a source electrode. The pixel electrode is electrically isolated from the drain electrode and the drain bus line by a second insulating film. A contact hole for electrically connecting to the drain bus line is formed in the second insulating film stacked on the drain bus line in a region including the intersection of the gate bus line and the drain bus line. An interconnection redundant film made of the same transparent conductive film as the pixel electrode is formed on the second insulating film so as to cover the contact hole. A method of fabricating this array is also disclosed.

REFERENCES:
patent: 5621555 (1997-04-01), Park
patent: 5852305 (1998-12-01), Lee et al.
patent: 5859679 (1999-01-01), Song

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