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:
Apr. 22, 2008
Filed:
Aug. 30, 2004
Applicant:
Shuhei Yamada, Chino, JP;
Inventor:
Shuhei Yamada, Chino, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/18 (2006.01); G03B 21/20 (2006.01); G03B 21/00 (2006.01); B60Q 1/06 (2006.01); H01S 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
Exemplary embodiments of the invention provide a light source device to cool a solid-state light source at a high efficiency even in a case where a large quantity of heat has developed from the solid-state light source including a minute heat generation region. A light source device includes a solid-state light source, micro heat pipes which are provided on the light-emission rear surface side of the solid-state light source, and liquid cooling portions which are provided at parts of the micro heat pipes.