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. 05, 2022
Filed:
Dec. 06, 2019
Seoul Viosys Co., Ltd., Gyeonggi-do, KR;
Seom Geun Lee, Gyeonggi-do, KR;
Chan Seob Shin, Gyeonggi-do, KR;
Myeong Hak Yang, Gyeonggi-do, KR;
Jin Woong Lee, Gyeonggi-do, KR;
SEOUL VIOSYS CO., LTD., Gyeonggi-do, KR;
Abstract
A light emitting diode includes a first conductivity type semiconductor layer and a mesa disposed on the first conductivity type semiconductor layer wherein the mesa is a semiconductor stack including an active layer and a second conductivity type semiconductor layer; a ZnO layer disposed on the second conductivity type semiconductor layer; a lower insulation layer covering the ZnO layer and the mesa, and including an opening exposing the ZnO layer; a first pad metal layer disposed on the lower insulation layer, and electrically connected to the first conductivity type semiconductor layer; a second pad metal layer electrically connected to the ZnO layer through the opening of the lower insulation layer, and an upper insulation layer covering the first pad metal layer and the second pad metal layer.