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:
Apr. 23, 2019
Filed:
Jun. 04, 2018
Applicant:
Toyoda Gosei Co., Ltd., Kiyosu-shi, Aichi-ken, JP;
Inventors:
Satoshi Wada, Kiyosu, JP;
Koji Fukugawa, Kiyosu, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21S 41/141 (2018.01); H01L 33/50 (2010.01); H01L 33/60 (2010.01);
U.S. Cl.
CPC ...
F21S 41/141 (2018.01); H01L 33/50 (2013.01); H01L 33/60 (2013.01);
Abstract
A light emitting device includes plural light emitting elements, and plural plate-shaped wavelength conversion members that are arranged above the plural light emitting elements and separated from each other. At least a part of the plural wavelength conversion members is placed across above two or more light emitting elements of the plural light emitting elements. At least one of emission intensity of the plural light emitting elements and conversion efficiency of the plural wavelength conversion members is uneven.