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. 08, 2016
Filed:
Nov. 24, 2014
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Tomio Ikegami, Chino, JE;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/00 (2006.01); G02B 27/01 (2006.01); H01S 5/062 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0172 (2013.01); G02B 27/017 (2013.01); H01S 5/062 (2013.01); G02B 2027/014 (2013.01);
Abstract
A light emitting device includes: a light emitting element; and a light variable resistive element which is connected to the light emitting element in parallel and is provided at a position which is irradiated with light emitted from the light emitting element, wherein the light variable resistive element has a characteristic in which a resistance value decreases as an amount of irradiation light increases.