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:
Jan. 12, 2016
Filed:
Nov. 30, 2012
Applicant:
Toyoda Gosei Co., Ltd., Kiyosu-shi, JP;
Inventors:
Kenichi Matsuura, Kiyosu, JP;
Yuhki Ito, Kiyosu, JP;
Assignee:
TOYODA GOSEI CO., LTD., Kiyosu-Shi, Aichi-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/15 (2006.01); H01L 25/075 (2006.01); H01L 33/50 (2010.01);
U.S. Cl.
CPC ...
H01L 27/15 (2013.01); H01L 25/0753 (2013.01); H01L 33/50 (2013.01);
Abstract
A light-emitting device includes a substrate, and a plurality of light-emitting elements that are mounted on the substrate and each include an LED chip and a phosphor layer on a surface thereof. A maximum deviation in a value of a chromaticity coordinate x of light emitted from the plurality of light-emitting elements is not less than 0.0125.