Liquid crystal display device

Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal

Reexamination Certificate

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C349S139000, C349S143000

Reexamination Certificate

active

07436461

ABSTRACT:
A liquid crystal display device is formed wherein pattern defects generated during the process are eliminated to reduce the need for repairs. In the device, a trench-shaped hole is defined by patterning a passivation layer and a gate-insulating layer at the peripheries of a gate line and a data line to expose a transparent substrate. Accordingly, a protruding defect portion at the pixel area caused by pattern defects in the semiconductor layer and the gate line is removed by the trench-shaped holes defined by patterning the passivation layer and the gate insulating layer at the peripheries of the gate line and the data line, so that a separate repair process is not required.

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patent: 6087730 (2000-07-01), McGarvey et al.
patent: 6508686 (2003-01-01), Adachi
patent: 6556264 (2003-04-01), Hirakata et al.
patent: 6900854 (2005-05-01), Kim et al.
patent: 2001/0024245 (2001-09-01), Choi et al.
patent: 2004/0174482 (2004-09-01), Oke et al.

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