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:
Apr. 25, 2023
Filed:
Jan. 28, 2021
Applicant:
Casio Computer Co., Ltd., Tokyo, JP;
Inventor:
Masahiro Ogawa, Ome, JP;
Assignee:
CASIO COMPUTER CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/20 (2006.01); G03B 21/16 (2006.01); F21V 29/70 (2015.01); F21V 29/89 (2015.01);
U.S. Cl.
CPC ...
G03B 21/204 (2013.01); G03B 21/16 (2013.01); F21V 29/70 (2015.01); F21V 29/89 (2015.01); G03B 21/2013 (2013.01);
Abstract
A luminescent light emitting device includes a base, a luminescent material layer provided on the base, a heat dissipating rib provided on an outer circumferential side of the luminescent material layer in such a manner as to rise erect from the base, and a collective lens fixed to the heat dissipating rib to seal in the luminescent material layer.