Array substrate of thin film transistor liquid crystal...

Details Array substrate of thin film transistor liquid crystal... Array substrate of thin film transistor liquid crystal...

2006-07-20

2008-10-07

Font, Frank G. (Department: 2883)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S149000, C349S151000

Reexamination Certificate

active

07433009

ABSTRACT:
An array substrate of a TFT-LCD includes a transparent substrate, a buffer layer, an active-matrix drive circuitry, a passivation layer, and a pixel electrode. The buffer layer is formed on the transparent substrate and includes a first buffer section and a second buffer section in each pixel region. The first buffer section is over-etched and thus has a thickness smaller than that of the second buffer section. The active-matrix drive circuitry is provided on each second buffer section for addressing a pixel of the TFT LCD, and the passivation layer having at least one contact hole in each pixel region is formed overlying the active-matrix drive circuitry. The pixel electrode is formed on each first buffer section and connected to the active-matrix drive circuitry through the contact hole.

REFERENCES:
patent: 5347379 (1994-09-01), Kawagishi et al.
patent: 6396554 (2002-05-01), Matsuda
patent: 6724443 (2004-04-01), Sano et al.
patent: 6937314 (2005-08-01), Kim
patent: 2003/0164501 (2003-09-01), Suzuki et al.
patent: 2006/0244893 (2006-11-01), Oda
patent: 2007/0076136 (2007-04-01), Matsuda

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