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:
Jan. 05, 2021

Filed:

Jun. 28, 2017
Applicant:

Sony Corporation, Tokyo, JP;

Inventors:

Hiroyuki Meguro, Kanagawa, JP;

Masahiro Ishige, Kanagawa, JP;

Ryo Kusui, Kanagawa, JP;

Assignee:

SONY CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G03B 21/20 (2006.01); H04N 9/31 (2006.01); G03B 21/14 (2006.01); H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); G03B 21/145 (2013.01); G03B 21/204 (2013.01); H05K 7/20136 (2013.01); H04N 9/3144 (2013.01);
Abstract

A projection display apparatus according to an embodiment of the present disclosure includes: a light source optical system including a light source section, a light conversion section that converts light emitted from the light source section to light having a wavelength band different from a wavelength band of the emitted light, and a cooling section that cools the light conversion section; and an external casing that houses the light source optical system and has an air inlet and an air outlet that form an airflow path in a linear shape. The light source section and the light conversion section are disposed on the airflow path, and the cooling section is disposed at a position shifted from the airflow path.


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