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:
Nov. 07, 2023

Filed:

Jul. 15, 2022
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Masato Kadotani, Matsumoto, JP;

Shohei Shimoma, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); F21V 29/56 (2015.01); H04N 9/31 (2006.01); F21V 29/77 (2015.01);
U.S. Cl.
CPC ...
H04N 9/3144 (2013.01); F21V 29/56 (2015.01); F21V 29/773 (2015.01); H04N 9/3164 (2013.01);
Abstract

A light source device includes a light source module, a plurality of heat receiving plates coupled to the light source module, and a cooling plate coupled to the plurality of heat receiving plates, cooling liquid flowing on the inside of the cooling plate. The cooling plate includes an upstream-side flowing section, a downstream-side flowing section, and a plurality of heat transfer sections provided in at least one of the upstream-side flowing section and the downstream-side flowing section and aligned in a second direction. The plurality of heat transfer sections include a plurality of fins extending in the second direction and a plurality of channels provided among the plurality of fins. The plurality of heat receiving plates are disposed along the second direction. The plurality of heat transfer sections are separated from one another in positions among the plurality of heat receiving plates in the second direction.


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