In-plane switching mode LCD device having the interval...

Details In-plane switching mode LCD device having the interval... In-plane switching mode LCD device having the interval...

2005-09-26

2009-12-08

Heyman, John (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S114000, C349S117000

Reexamination Certificate

active

07630044

ABSTRACT:
An IPS mode LCD device is disclosed in which a retardation layer is formed in a reflective part of unit pixel region to efficiently operate both transmitting and reflective modes and to improve the contrast ratio, the unit pixel region having a transmitting part and a reflective part, wherein a cell gap in the transmitting part is substantially the same as a cell gap in the reflecting part.

REFERENCES:
patent: 6608660 (2003-08-01), Okamoto et al.
patent: 7088409 (2006-08-01), Itou et al.
patent: 2001/0048496 (2001-12-01), Baek
patent: 2001/0052948 (2001-12-01), Okamoto et al.
patent: 2005/0140867 (2005-06-01), Choi

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