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Title:
DUSTPROOF STRUCTURE OF IMAGE GENERATION DEVICE, AND PROJECTION DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO2010109595
Kind Code:
A1
Abstract:
A dustproof structure of an image generation device comprises LCDs (47, 48, 49) corresponding to respective red, green, and blue; an air duct for red, an air duct for green, and an air duct for blue provided so as to allow blowing of cooling air to the respective LCDs (47, 48, 49); air filters (43, 50) arranged respectively at the air duct for red, the air duct for green, and the air duct for blue; and air filters (41, 42) which are arranged at least one of the air duct for green or the air duct for blue and are smaller in mesh size than the air filters (43, 50).

Inventors:
TANI YUSUKE (JP)
OKADA TAKAYUKI (JP)
Application Number:
PCT/JP2009/055824
Publication Date:
September 30, 2010
Filing Date:
March 24, 2009
Export Citation:
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Assignee:
NEC DISPLAY SOLUTIONS LTD (JP)
TANI YUSUKE (JP)
OKADA TAKAYUKI (JP)
International Classes:
G03B21/16; G02F1/13; H04N5/64; H04N9/31
Foreign References:
JP2007292805A2007-11-08
JP2005274731A2005-10-06
JP2002174855A2002-06-21
JP2007212568A2007-08-23
JP2003234982A2003-08-22
Attorney, Agent or Firm:
MIYAZAKI, Teruo et al. (JP)
Akio Miyazaki (JP)
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