Transflective LCD device with opening formed in electrode...

Details Transflective LCD device with opening formed in electrode... Transflective LCD device with opening formed in electrode...

2006-09-05

2006-09-05

Chowdhury, Tarifur R. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S113000

Reexamination Certificate

active

07102714

ABSTRACT:
To provide a transflective liquid crystal display device capable of obtaining a display with a high brightness, a high contrast, and a wide viewing angle, a vertical alignment mode using liquid crystal layer whose initial alignment state represents a vertical alignment is utilized, the reflective display region is provided to surround the periphery of the transmissive display region within a single dot region, and an insulating film for regulating the thickness of the liquid crystal layer is provided in a region corresponding to the reflective display region R in the periphery of the dot. In addition, in the substrate (counter substrate) opposite to the side where the insulating film is formed, an opening is provided in a common electrode at a position corresponding to the boundary between the reflective display region and the transmissive display region.

REFERENCES:
patent: 6281952 (2001-08-01), Okamoto et al.
patent: 6788375 (2004-09-01), Ogishima et al.
patent: 2003/0076464 (2003-04-01), Ozawa et al.
patent: 2004/0061817 (2004-04-01), Maeda
patent: A-07-064089 (1995-03-01), None
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patent: A-11-242226 (1999-09-01), None
patent: A-2002-350853 (2002-12-01), None
Jisaki et al., “Development of transflective LCD for high contrast and wide viewing angle by using homeotropic alignment”,Asia Display, IDW '01 (2001), pp. 133-136.

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