Transflective switchable double-cell LCD device

Details Transflective switchable double-cell LCD device Transflective switchable double-cell LCD device

2003-07-11

2008-11-04

Dudek, James A. (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S074000, C349S077000

Reexamination Certificate

active

07446835

ABSTRACT:
To be realized the well-lighted display by using the whole pixels in the reflective mode and the transmissive mode. In a reflective mode, an optical element13is used as liquid crystal display element. That is, the optical element13operates as liquid crystal display element by applying the voltage. In this case, the optical element13reflects the external light since the optical element13is a scattering state with regard to non-applying pixel (arrow B). In a transmissive mode, a liquid crystal panel12is used as liquid crystal display element. That is, the liquid crystal panel12operates as liquid crystal display element by applying the voltage. In this case, the optical element13passes light from a backlight11since the optical element13is a transmissive state (arrow A). And the optical element13plays a color filter part and does not operates as display element.

REFERENCES:
patent: 4637687 (1987-01-01), Haim et al.
patent: 4693560 (1987-09-01), Wiley
patent: 5796454 (1998-08-01), Ma
patent: 6144359 (2000-11-01), Grave
patent: 1300954 (2001-06-01), None
patent: 59017530 (1984-01-01), None
patent: WO97/01789 (1997-01-01), None
Patent Abstracts of Japan vol. 008, No. 109 (P-275), May 22, 1984.

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