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:
Mar. 31, 2020
Filed:
Dec. 22, 2016
Applicant:
Nichia Corporation, Anan-shi, Tokushima, JP;
Inventor:
Takanori Aruga, Nagano, JP;
Assignee:
NICHIA CORPORATION, Anan-shi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/58 (2010.01); F21S 43/20 (2018.01); F21S 43/14 (2018.01);
U.S. Cl.
CPC ...
H01L 33/58 (2013.01); F21S 43/14 (2018.01); F21S 43/26 (2018.01); G03B 2215/0567 (2013.01);
Abstract
A light source device includes a light emitting element and a light transmissive member having a light incident surface opposite to the light emitting element, and a light emitting surface. The light incident surface includes an inner region having a retroreflective lens portion and directly facing the light emitting element, and an outer region having a shape different from a shape of the retroreflective lens.