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:
Dec. 22, 2020
Filed:
Jun. 17, 2019
Applicant:
Stanley Electric Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
STANLEY ELECTRIC CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/50 (2010.01); H01L 33/44 (2010.01); H01L 33/56 (2010.01);
U.S. Cl.
CPC ...
H01L 33/504 (2013.01); H01L 33/44 (2013.01); H01L 33/56 (2013.01);
Abstract
A light-emitting device includes a substrate, a light-emitting element disposed on the substrate, a light transmitting member disposed on the light-emitting element, and a covering body disposed on the substrate. The covering body covers a side surface of the light transmitting member and has an exposed upper surface. A particle group composed of a plurality of particles is dispersed in the covering body. The particle group includes a plurality of titanium oxide particles or zinc oxide particles dispersed in a vicinity of an upper surface of the covering body and each having a portion having a narrower band gap than in other portions of the particle.