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. 17, 2017
Filed:
Apr. 20, 2015
Applicant:
Epistar Corporation, Hsinchu, TW;
Inventors:
Chun-Hsiang Tu, Hsinchu, TW;
De-Shan Kuo, Hsinchu, TW;
Po-Shun Chiu, Hsinchu, TW;
Chi-Shiang Hsu, Hsinchu, TW;
Assignee:
EPISTAR CORPORATION, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/15 (2006.01); H01L 29/06 (2006.01); H01L 29/10 (2006.01); H01L 27/14 (2006.01); H01L 33/22 (2010.01); H01L 33/00 (2010.01);
U.S. Cl.
CPC ...
H01L 33/22 (2013.01); H01L 33/005 (2013.01);
Abstract
A light-emitting device comprises a substrate comprising a top surface; a light-emitting stack formed on a portion of the top surface of the substrate; and a plurality of pores formed in an area of the substrate, wherein the area is under another portion of the top surface where the light-emitting stack is not formed thereon.