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:
May. 10, 2022
Filed:
Dec. 05, 2017
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Ryohei Yamashita, Tokushima, JP;
Yusaku Achi, Tokushima, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/58 (2010.01); H01L 33/52 (2010.01); H01L 33/36 (2010.01); H01L 33/54 (2010.01);
U.S. Cl.
CPC ...
H01L 33/58 (2013.01); H01L 33/36 (2013.01); H01L 33/52 (2013.01); H01L 33/54 (2013.01); H01L 2224/73204 (2013.01);
Abstract
A light-emitting device includes: a substrate; and at least one light source comprising: a light-emitting element comprising a plurality of electrodes that face the substrate, and a resin member covering at least portions of lateral surfaces of the light-emitting element and not covering an upper surface of the light-emitting element, wherein, in a directivity diagram of the light source, a variation in light output of the light source in a range of −40° to 40° is 15% or less.