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:
Apr. 07, 2015
Filed:
Nov. 16, 2012
Applicant:
Korea Photonics Technology Institute, Gwangju, KR;
Inventors:
Sang-Mook Kim, Gwangju, KR;
Jong-Hyeob Baek, Daejeon, KR;
Assignee:
Korea Photonics Technology Institute, Gwangju, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 29/06 (2006.01); H01L 31/0328 (2006.01); H01L 31/0336 (2006.01); H01L 31/072 (2012.01); H01L 31/109 (2006.01); H01L 29/22 (2006.01); H01L 33/00 (2010.01); H01L 33/22 (2010.01); H01L 33/24 (2010.01);
U.S. Cl.
CPC ...
H01L 33/22 (2013.01); H01L 33/005 (2013.01); H01L 33/24 (2013.01);
Abstract
An object of the present invention is to provide a light emitting diode having a heterogeneous material structure and a method of manufacturing thereof, in which efficiency of extracting light to outside is improved by forming depressions and prominences configured of heterogeneous materials different from each other before or in the middle of forming a semiconductor material on a substrate in order to improve the light extraction efficiency.