Liquid crystal image projector

Details Liquid crystal image projector Liquid crystal image projector

Filed on

1995-07-28

Date issued

1997-09-09

Examiner

Sikes, William L.

Patent Class

Liquid crystal cells, elements and systems

SubClass

Particular structure

SubSubClass

Holder, support, frame, or housing

Other Related Categories

349 62, G02F 11333, G02F 11335

Type

Patent

Status

active

Patent number

056661711

Description

ABSTRACT:
An image projector comprises a liquid crystal display module and a light source both contained in a housing. The housing is formed with an inlet and an outlet, and is provided with a fan. An air flow channel is provided between the inlet and the outlet within the housing. There is provided a wind separator in the air flow channel, which separator separates cooling air such that cooling air flows separately towards the liquid crystal display module and the light source, for better cooling effect.

REFERENCES:
patent: 4436378 (1984-03-01), Kirkman
patent: 4536014 (1985-08-01), Boutaleb et al.
patent: 4671634 (1987-06-01), Kizaki et al.
patent: 4886328 (1989-12-01), Iino
patent: 4950072 (1990-08-01), Honda
patent: 4952925 (1990-08-01), Haastert
patent: 4963001 (1990-10-01), Miyajima
patent: 5103316 (1992-04-01), Ogura
patent: 5243453 (1993-09-01), Kawaguchi et al.
patent: 5278596 (1994-01-01), Machtig
patent: 5363227 (1994-11-01), Ichikawa et al.
patent: 5502582 (1996-03-01), Larson et al.
patent: 5508830 (1996-04-01), Imoto et al.

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