LCD device and LCD projector

Details LCD device and LCD projector LCD device and LCD projector

2007-12-18

2007-12-18

Nelms, David (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S117000, C349S118000, C349S119000

Reexamination Certificate

active

10901206

ABSTRACT:
An LCD device in an LCD projector includes a TFT substrate, a counter substrate, an LC layer sandwiched between the TFT substrate and the counter substrate, and a pair of compensation substrates attached onto the outer surfaces of the TFT substrate and the counter substrate far from the LC layer. The compensation substrate has a negative coefficient of thermal expansion (CTE) for compensating the retardation caused by a temperature rise of the TFT substrate and the counter substrate due to irradiation thereof by a light source.

REFERENCES:
patent: 4643530 (1987-02-01), Yamazaki
patent: 6654083 (2003-11-01), Toda et al.
patent: 6788377 (2004-09-01), Ogawa et al.
patent: H09-113906 (1997-05-01), None
patent: H11-149071 (1999-06-01), None
patent: 2001-042279 (2001-02-01), None

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