The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 04, 2014
Filed:
Sep. 01, 2009
Applicants:
Hisashi Okada, Daito, JP;
Kazuya Minami, Hirakata, JP;
Yosuke Nishihata, Osaka, JP;
Yuji Matsuyama, Daito, JP;
Inventors:
Hisashi Okada, Daito, JP;
Kazuya Minami, Hirakata, JP;
Yosuke Nishihata, Osaka, JP;
Yuji Matsuyama, Daito, JP;
Assignee:
SANYO Electric Co., Ltd., Moriguchi-shi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/18 (2006.01); G03B 21/16 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
Abstract
A projection display device includes: a light modulator for modulating light from a light source; a polarizer disposed at a position facing the light modulator; a cooling section for allowing an air to flow in a space between the light modulator and the polarizer; and an air deflector for deflecting the air flowing in the space between the light modulator and the polarizer toward the polarizer.