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:
Jun. 07, 2022
Filed:
Jan. 30, 2019
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Assignee:
Nichia Corporation, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/00 (2010.01); H01L 33/50 (2010.01); H01L 33/58 (2010.01); H01L 33/08 (2010.01);
U.S. Cl.
CPC ...
H01L 33/508 (2013.01); H01L 33/08 (2013.01); H01L 33/507 (2013.01); H01L 33/58 (2013.01); H01L 2933/0058 (2013.01);
Abstract
A light-emitting device includes: at least one light-emitting element; a first light-transmissive member covering the light-emitting element; a second light-transmissive member covering the first light-transmissive member; and a light-diffusing member in the second light-transmissive member. The light-diffusing member includes hollow particles. The second light-transmissive member has a bottom surface having irregularities due to presence of the light-diffusing member.