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:
Sep. 18, 2012
Filed:
Mar. 19, 2008
Applicant:
Keiji Hayashi, Osaka, JP;
Inventor:
Keiji Hayashi, Osaka, JP;
Assignee:
Sharp Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F 1/13357 (2006.01); F21V 29/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light source unit includes a chassis, a light diffuser disposed to face the chassis, a light source disposed between the light diffuser and the chassis, and an air passage through which air for cooling the light source flows. The light source is disposed inside the air passage, whereas the light diffuser is disposed outside the air passage. At least a portion of the air passage is partitioned by a partition transparent to light of the light source.