Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal
Reexamination Certificate
2006-12-29
2010-10-19
Schechter, Andrew (Department: 2883)
Liquid crystal cells, elements and systems
Particular excitation of liquid crystal
Electrical excitation of liquid crystal
C349S042000, C349S138000
Reexamination Certificate
active
07817219
ABSTRACT:
A liquid crystal display device is disclosed, which comprises an upper substrate, a lower substrate, and a liquid crystal layer. The lower substrate has several pixel electrodes, metal lines, and switch elements thereon. Each switch element comprises a source electrode, a drain electrode, a gate electrode, and an opening between the source electrode and the drain electrode. A passivation layer covering the surface of the source electrode and the drain electrode forms two inclined planes separately on two sides. The two inclined planes face each other and are locating on a kink or step of the source electrode and drain electrode. The inclined planes also contact each other at the upper side of the opening. The inclinations of the inclined planes to the lower substrate are in a range from 5 to 50 degrees.
REFERENCES:
patent: 2004/0021805 (2004-02-01), Nagata et al.
patent: 2005/0030440 (2005-02-01), Lee et al.
patent: 2005/0237442 (2005-10-01), Yamazaki et al.
Chen Chien-Hung
Ho I-Hua
Lee Yi-Wei
Liao Chih-Liang
Wang Yeong-Feng
AU Optronics Corporation
Bacon & Thomas PLLC
Kim Dennis Y
Schechter Andrew
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