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. 08, 2019
Filed:
Oct. 02, 2017
Seoul Viosys Co., Ltd., Ansan-si, KR;
Chi Hyun In, Ansan-si, KR;
Sang Min Kim, Ansan-si, KR;
Dae Seok Park, Ansan-si, KR;
Eun Ji Park, Ansan-si, KR;
Hong Suk Cho, Ansan-si, KR;
SEOUL VIOSYS CO., LTD., Ansan-si, KR;
Abstract
A light emitting diode includes a substrate, a lower semiconductor layer disposed on the substrate, a light emitting unit comprising a first upper semiconductor layer disposed in one region of the lower semiconductor layer and an active layer interposed between the lower semiconductor layer and the first upper semiconductor layer, a second current spreading portion comprising a third upper semiconductor layer disposed in another region of the lower semiconductor layer and an active layer interposed between the lower semiconductor layer and the third upper semiconductor layer, a first electrode disposed on the light emitting cell and electrically connected to the first upper semiconductor layer, and a second electrode separated from the light emitting cell and electrically connected to the lower semiconductor layer.