Liquid crystal display device

Details Liquid crystal display device Liquid crystal display device

2006-09-28

2008-12-16

Leung, Quyen P (Department: 2874)

Liquid crystal cells, elements and systems

Particular excitation of liquid crystal

Electrical excitation of liquid crystal

Reexamination Certificate

active

07466371

ABSTRACT:
The invention is directed to narrowing a frame of a liquid crystal display device including a display pixel region and a dummy pixel region adjacent thereto. The display pixel region including a plurality of pixels each having a pixel selection TFT and a pixel electrode connected thereto is formed on a first substrate. The dummy pixel region including a plurality of dummy pixels each having a pixel selection TFT and a pixel electrode connected thereto and shielded from light by a black matrix is formed adjacent to the display pixel region. A driving TFT, that is, a sampling TFT is further formed being superposed on the pixel electrode of the dummy pixel. That is, the pixel electrode of the dummy pixel is superposed on at least a portion of a channel region of the sampling TFT with a planarization insulation film interposed therebetween.

REFERENCES:
patent: 6175395 (2001-01-01), Yamazaki et al.
patent: 6815903 (2004-11-01), Nakanishi
patent: 2002/0101547 (2002-08-01), Lee et al.
patent: 2003/0146710 (2003-08-01), Nakanishi
patent: 2003-241683 (2003-08-01), None

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