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:
Aug. 19, 2014

Filed:

Jan. 07, 2011
Applicants:

Naoki Kanno, Tokyo, JP;

Shigenori Shibue, Tokyo, JP;

Takuya Kodama, Tokyo, JP;

Shigetoshi Ipposhi, Tokyo, JP;

Inventors:

Naoki Kanno, Tokyo, JP;

Shigenori Shibue, Tokyo, JP;

Takuya Kodama, Tokyo, JP;

Shigetoshi Ipposhi, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention is directed to provide a light source apparatus that includes space-saving LED cooling unit, and a projector type image display apparatus including the same. The light source apparatus of the present invention includes a plurality of LEDs, a plurality of heatsinks that are respectively thermally coupled to the LEDs and that are disposed in series with an interval between each other, and a cooler mechanism that sends a cooling airflow into the heatsinks along their disposition direction. A heatsink included in the plurality of heatsinks that dissipates the heat of an LED having a greater heat generating amount out of the plurality of LEDs is disposed downstream in the cooling airflow from the other heatsink.


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