IPS liquid crystal display device with edge of the pixel...

Details IPS liquid crystal display device with edge of the pixel... IPS liquid crystal display device with edge of the pixel...

2007-12-04

2007-12-04

Schechter, Andrew (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S139000, C349S145000

Reexamination Certificate

active

10971045

ABSTRACT:
In an IPS liquid crystal display device, a reduction in optical leakage from the outer peripheral portion of an electrode pattern in flexed configuration and an improvement in the contrast of display on a screen are intended. The IPS liquid crystal display device has a plurality of signal lines and scan lines arranged as a matrix on a TFT substrate, TFT switching elements, and comb-like pixel electrodes connected to the TFT switching elements. In a pixel region, a comb-like common electrode is formed in interdigitated relation with the pixel electrodes. The pixel electrodes, the common electrode, and the signal lines are formed in mutually parallel and flexed configuration at a given angle relative to an optical axis. The outer edge of each pixel electrode, the common electrode, and the signal lines is added with fine stairwise fine stepped portions composed of the same material as composing the electrodes and lines.

REFERENCES:
patent: 5905556 (1999-05-01), Suzuki et al.
patent: 6542212 (2003-04-01), Yoshida et al.
patent: 6917406 (2005-07-01), Yang
patent: 2003/0107697 (2003-06-01), Yang et al.
patent: 2003/0179333 (2003-09-01), Kim
patent: 2004/0200575 (2004-10-01), Bietsch et al.
patent: 10-148826 (1998-06-01), None

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