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:
Sep. 09, 2014
Filed:
Dec. 07, 2011
Applicants:
Rong-ren Lee, Hsinchu, TW;
Shih-chang Lee, Hsinchu, TW;
Chien-fu Huang, Hsinchu, TW;
Tsen-kuei Wang, Hsinchu, TW;
Inventors:
Rong-Ren Lee, Hsinchu, TW;
Shih-Chang Lee, Hsinchu, TW;
Chien-Fu Huang, Hsinchu, TW;
Tsen-Kuei Wang, Hsinchu, TW;
Assignee:
Epistar Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/06 (2006.01); H01L 33/08 (2010.01); H01L 27/15 (2006.01); H01L 33/32 (2010.01);
U.S. Cl.
CPC ...
H01L 27/15 (2013.01); H01L 33/32 (2013.01); H01L 33/08 (2013.01);
Abstract
A light-emitting device comprises a substrate, and a light-emitting structure formed on the substrate. The light-emitting structure comprises a first active layer emitting the light with a first wavelength, and a second active layer emitting the light with a second wavelength. The light-emitting structure is formed by the first active layer and the second active layer stacked alternately.