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. 02, 2018
Filed:
Mar. 10, 2016
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Chih-Chiang Lu, Hsinchu, TW;
Yi-Chieh Lin, Hsinchu, TW;
Rong-Ren Lee, Hsinchu, TW;
Yu-Ren Peng, Hsinchu, TW;
Ming-Siang Huang, Hsinchu, TW;
Ming-Ta Chin, Hsinchu, TW;
Yi-Ching Lee, Hsinchu, TW;
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 33/46 (2010.01); H01L 33/60 (2010.01); H01L 25/075 (2006.01);
U.S. Cl.
CPC ...
H01L 33/46 (2013.01); H01L 25/0753 (2013.01); H01L 33/60 (2013.01);
Abstract
A light-emitting device is provided. The light-emitting device comprises: a light-emitting stack having an active layer emitting first light having a peak wavelength λ nm; and an adjusting element stacked electrically connected to the active layer in series for tuning a forward voltage of the light-emitting device; wherein the forward voltage of the light-emitting device is between (1240/0.8λ) volt and (1240/0.5λ) volt.