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.

Date of Patent:
Mar. 05, 2013

Filed:

Jul. 30, 2010
Applicants:

Jieming Liang, Guangdong, CN;

Chen Chen, Guangdong, CN;

Lei Cao, Guangdong, CN;

Wenming Wu, Guangdong, CN;

Wentian Tang, Guangdong, CN;

Xianglin Zhang, Guangdong, CN;

Inventors:

Jieming Liang, Guangdong, CN;

Chen Chen, Guangdong, CN;

Lei Cao, Guangdong, CN;

Wenming Wu, Guangdong, CN;

Wentian Tang, Guangdong, CN;

Xianglin Zhang, Guangdong, CN;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A projection display device includes a light source, a reflector, and a fixing portion. The device further includes a first air supply portion and a second air supply portion; a first air drawing portion which separates the cooling air from the first air supply portion into streams of the cooling air to guide one of the streams into an interior of the reflector in a first direction and to guide the other of the streams to the fixing portion in a second direction; and a second air drawing portion which separates the cooling air from the second air supply portion into streams of the cooling air to guide one of the streams into the interior of the reflector in a third direction and to guide the other of the streams to the fixing portion in a fourth direction.


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