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:
Oct. 21, 2025
Filed:
Feb. 10, 2021
Applicant:
Nichia Corporation, Anan, JP;
Inventors:
Makiko Iwasa, Anan, JP;
Yuji Sato, Anan, JP;
Assignee:
NICHIA CORPORATION, Anan, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10H 20/851 (2025.01); H05B 33/14 (2006.01); H10H 20/01 (2025.01);
U.S. Cl.
CPC ...
H10H 20/8513 (2025.01); H05B 33/14 (2013.01); H10H 20/0361 (2025.01);
Abstract
Provided is a light-emitting device having a high luminous flux. The light-emitting device comprises a light-emitting elementthat has a dominant wavelength in a range of 380 nm or more and 485 nm or less, and a fluorescent material layerthat includes a fluorescent material emitting light by being excited by light emitted from the light-emitting element, and a neodymium compound, wherein the light-emitting device emits light having a dominant wavelength in a range of 584 nm or more and 780 nm or less.