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. 26, 2022
Filed:
Jan. 16, 2019
Applicant:
Nikkiso Co., Ltd, Tokyo, JP;
Inventor:
Hideki Asano, Ishikawa, JP;
Assignee:
NIKKISO CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/44 (2010.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
H01L 33/44 (2013.01); H01L 23/562 (2013.01); H01L 2933/0025 (2013.01);
Abstract
A semiconductor light emitting device includes: a light emitting part for emitting ultraviolet light; and a coating part that coats a part of an extraction surface from which the ultraviolet light emitted by the light emitting part is extracted. The coating part is comprised of a plurality of isolated parts distanced from each other, and the isolated part is made of a second material having a refractive index that is lower than a refractive index of a first material forming the extraction surface.
Asano, Hideki. (2022). Semiconductor light emitting device and method of manufacturing semiconductor light emitting device (U.S. Patent No. 11316073). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11316073
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile