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. 14, 2014
Filed:
Dec. 04, 2012
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Yasutaka Imai, Suwa, JP;
Assignee:
Seiko Epson Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/153 (2006.01);
U.S. Cl.
CPC ...
Abstract
A light emitting device includes: a light emitting unit and a light receiving unit which are provided on a same substrate, wherein the light emitting unit includes an active layer sandwiched between a first clad layer and a second clad layer, a first electrode electrically connected to the first clad layer, and a second electrode electrically connected to the second clad layer.