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:
May. 26, 2015
Filed:
Dec. 06, 2013
Seoul Viosys Co., Ltd., Ansan-si, KR;
Jin Woong Lee, Ansan-si, KR;
Kyoung Wan Kim, Ansan-si, KR;
Yeo Jin Yoon, Ansan-si, KR;
Ye Seul Kim, Ansan-si, KR;
Tae Kyoon Kim, Ansan-si, KR;
Seoul Viosys Co., Ltd., Ansan-si, KR;
Abstract
Exemplary embodiments of the present invention disclose a light-emitting diode (LED) including a semiconductor stack structure including a first semiconductor layer, an active layer, and a second semiconductor layer, the semiconductor stack disposed on a substrate, a conductive substrate disposed on the semiconductor stack structure, and an electrode disposed on the conductive substrate and in ohmic contact with the conductive substrate, wherein the electrode comprises grooves penetrating the electrode and a portion of the conductive substrate.