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. 31, 2023
Filed:
Jun. 26, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Takashi Miyata, Shiojiri, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/34 (2006.01); G03B 21/20 (2006.01); H01S 5/343 (2006.01); H01S 5/042 (2006.01); H01S 5/183 (2006.01); G03B 33/12 (2006.01);
U.S. Cl.
CPC ...
H01S 5/341 (2013.01); G03B 21/2033 (2013.01); H01S 5/04254 (2019.08); H01S 5/18319 (2013.01); H01S 5/34333 (2013.01); G03B 33/12 (2013.01);
Abstract
A light emitting device includes a substrate, a laminated structure provided to the substrate, and including a plurality of columnar parts, and an electrode disposed at an opposite side to the substrate of the laminated structure, wherein the columnar parts have a light emitting layer, the columnar parts are disposed between the electrode and the substrate, light generated in the light emitting layer propagates through the plurality of columnar parts to cause laser oscillation, and the electrode is provided with a hole.