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:
Nov. 10, 2020
Filed:
Aug. 07, 2019
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Osamu Arakawa, Shiojiri, JP;
Assignee:
SEIKO EPSON CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 7/22 (2018.01); G03B 21/20 (2006.01); G02B 5/26 (2006.01);
U.S. Cl.
CPC ...
F21V 7/22 (2013.01); G02B 5/26 (2013.01); G03B 21/2066 (2013.01);
Abstract
A wavelength converter according to an aspect of the present disclosure includes a wavelength conversion layer that converts excitation light in terms of wavelength to generate fluorescence, and a first reflection member that reflects the fluorescence and is so provided as to incline with respect to a light exiting surface which is a surface of the wavelength conversion layer and via which the fluorescence exits.