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:
Feb. 04, 2020
Filed:
Sep. 30, 2016
Applicant:
Lg Innotek Co., Ltd., Seoul, KR;
Inventors:
Jong Sub Lee, Seoul, KR;
Hyun Don Song, Seoul, KR;
Ki Man Kang, Seoul, KR;
Seung Hwan Kim, Seoul, KR;
Sung Dal Jung, Seoul, KR;
Assignee:
LG INNOTEK CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 33/22 (2010.01); H01L 33/50 (2010.01); H01L 33/58 (2010.01); H01L 33/14 (2010.01); H01L 33/32 (2010.01);
U.S. Cl.
CPC ...
H01L 33/22 (2013.01); H01L 33/50 (2013.01); H01L 33/502 (2013.01); H01L 33/58 (2013.01); H01L 33/14 (2013.01); H01L 33/32 (2013.01);
Abstract
An embodiment of the present invention includes: a gallium nitride substrate; and a light-emitting structure disposed on the other surface of the substrate, wherein the substrate includes a plurality of light extraction structures formed on one surface thereof, the thickness of the substrate is 80 μm or more, and the average height of the plurality of light extraction structures is 10 μm or more.