LIQUID CRYSTAL DISPLAY ELEMENT AND LIQUID CRYSTAL PROJECTOR USING SUCH ELEMENT

WIPO Patent Application WO/2005/064387

A1

Disclosed is a liquid crystal display element wherein the heat-dissipating properties are improved without using a sapphire transparent body having a large thermal conductivity. Also disclosed is a liquid crystal projector using such an element. In a liquid crystal projector which projects an image by illuminating a liquid crystal display element with light, the liquid crystal display element comprises a driving substrate (11) and a counter substrate (12) arranged opposite to each other with a liquid crystal (10) interposed therebetween and anti-dust substrates (13, 14) respectively bonded to the driving substrate (11) and counter substrate (12). At least one of the anti-dust substrates (13, 14) is composed of a quartz, and antireflective films (19, 20) are respectively formed on surfaces of the anti-dust substrates (13, 14). Specifically, the antireflective film (19) is formed on a surface of the anti-dust substrate (14) on the light incidence side. The anti-dust substrates (13, 14) composed of a quartz respectively have a transparent surface which is parallel to the C axis of the quartz.

YAMANAKA HIDEO (JP)
MATSUEDA HIROSHI (JP)
ARAKI HIDEKAZU (JP)

PCT/JP2004/019366

July 14, 2005

December 24, 2004

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SONY CORP (JP)
YAMANAKA HIDEO (JP)
MATSUEDA HIROSHI (JP)
ARAKI HIDEKAZU (JP)

G02F1/13; G02F1/133; G02F1/1335; G03B21/00; G03B21/16; H04N5/74; G02F1/1333; (IPC1-7): G02F1/1333; G02F1/13; G02F1/1335; G03B21/16

JPH11295683A	1999-10-29
JP2003195254A	2003-07-09
JP2003255129A	2003-09-10
JPH11337919A	1999-12-10
JP2004245914A	2004-09-02

Matsuo, Kenichiro (Shinkumi Akasaka Bldg. 10-17, Akasaka 1-chome, Chuo-k, Fukuoka-shi Fukuoka 42, JP)

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