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Title:
ELECTRO-OPTICAL DEVICE CONTAINED IN PACKAGING CASE, PROJECTION DISPLAY APPARATUS AS WELL AS PACKAGING CASE
Document Type and Number:
Japanese Patent JP3722141
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To efficiently suppress the temperature rising of an electro-optic device irradiated with incident relatively strong projection light in an electro-optic device contained in a packaging case.
SOLUTION: The electro-optic device contained in the packaging case is composed of the electro-optic device (500) irradiated with incident projection light, a plate (610) arranged to face one surface of the electro-optic device and a cover (620) covering the electro-optic device and being in contact with the plate and is provided with the packaging case (601) housing the electro-optic device. The cover includes a cover main body (623) and a cooling air introducing part (622) and the cooling air introducing part has a taper part (622T) and a baffle plate (622P) to pass the cooling air sent toward the electro-optic device contained in the packaging case toward the cover main body part.


Inventors:
Hiroyuki Kojima
Sai Hiromi Fuji
Tomoaki Miyashita
Application Number:
JP2003384072A
Publication Date:
November 30, 2005
Filing Date:
November 13, 2003
Export Citation:
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Assignee:
Seiko Epson Corporation
International Classes:
G02F1/13; G02F1/133; G03B21/00; G03B21/16; H04N9/31; (IPC1-7): G03B21/16; G02F1/13; G03B21/00
Domestic Patent References:
JP2004045680A
JP2002107698A
JP2001318361A
JP2001264883A
JP2000147472A
JP55126265A
Attorney, Agent or Firm:
Masahiko Ueyanagi
Fujitsuna Hideyoshi
Osamu Suzawa