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:
Jan. 09, 2024
Filed:
Aug. 07, 2019
Applicant:
Sony Group Corporation, Tokyo, JP;
Inventors:
Shota Nishi, Tokyo, JP;
Izushi Kobayashi, Tokyo, JP;
Yuki Maeda, Tokyo, JP;
Masahiro Ishige, Tokyo, JP;
Assignee:
SONY GROUP CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/16 (2006.01); G02B 26/00 (2006.01); G03B 21/20 (2006.01);
U.S. Cl.
CPC ...
G03B 21/16 (2013.01); G02B 26/008 (2013.01); G03B 21/204 (2013.01);
Abstract
A wavelength conversion element according to an embodiment of the present disclosure includes: a phosphor layer; a refrigerant; a refrigerant transport member; and a housing. The phosphor layer includes a plurality of phosphor particles. The phosphor layer has a gap therein. The refrigerant cools the phosphor layer. The refrigerant transport member is provided in contact with the phosphor layer. The refrigerant transport member circulates the refrigerant. The phosphor layer, the refrigerant, and the refrigerant transport member are encapsulated in the housing.