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:
May. 29, 2018
Filed:
Nov. 07, 2016
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Wen-Yung Yeh, Hsinchu, TW;
Yu-Chen Yu, Hsinchu, TW;
Hsi-Hsuan Yen, Hsinchu, TW;
Jui-Ying Lin, Hsinchu, TW;
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/15 (2006.01); H01L 25/075 (2006.01); H01L 33/36 (2010.01); H01L 33/62 (2010.01); F21K 9/00 (2016.01); H01L 25/16 (2006.01);
U.S. Cl.
CPC ...
H01L 27/15 (2013.01); H01L 25/0753 (2013.01); H01L 33/36 (2013.01); H01L 33/62 (2013.01); F21K 9/00 (2013.01); H01L 25/167 (2013.01); H01L 2924/0002 (2013.01);
Abstract
A light-emitting device is introduced herein. The light-emitting device comprises a first light-generating active layer and a second light-generating active layer stacked in a vertical direction on a substrate wherein the first light-generating active layer and the second light-generating active layer emit light having substantially the same wavelength, and wherein the substrate, the first light-generating active layer, and the second light-generating active layer are formed together in a chip.