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. 30, 2021

Filed:

Jul. 02, 2018
Applicant:

Sony Corporation, Tokyo, JP;

Inventor:

Kazuma Usami, Kanagawa, JP;

Assignee:

SONY CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); H04N 9/31 (2006.01); G02F 1/1335 (2006.01); G02B 7/02 (2021.01); G02F 1/1333 (2006.01); H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
H04N 9/3144 (2013.01); G02B 7/028 (2013.01); G02F 1/133385 (2013.01); G02F 1/133628 (2021.01); G03B 21/16 (2013.01); H05K 7/20972 (2013.01);
Abstract

A projection display apparatus according to an embodiment of the present disclosure includes: a light source device; an image generation optical system that generates image light by modulating light from the light source device on the basis of an inputted image signal; and a projection optical system that projects the image light generated by the image generation optical system. The light source device includes a light source section, a radiation fin, a vapor chamber on which the light source section and the radiation fin are disposed, and a cooling fan. The light source section, the radiation fin, and the vapor chamber are disposed on a flow path of cooling gas sent out of the cooling fan.


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