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:
Aug. 09, 2022
Filed:
Sep. 18, 2020
Seoul Viosys Co., Ltd., Gyeonggi-do, KR;
Jin Woong Lee, Gyeonggi-do, KR;
Kyoung Wan Kim, Gyeonggi-do, KR;
Tae Jun Park, Gyeonggi-do, KR;
Sang Won Woo, Gyeonggi-do, KR;
SEOUL VIOSYS CO., LTD., Gyeonggi-Do, KR;
Abstract
A light emitting diode chip includes a substrate; a first conductivity type semiconductor layer disposed on the substrate; a mesa; a transparent electrode; a contact electrode; a current spreader; a first insulating reflection layer; a first pad electrode and a second pad electrode; and a second insulating reflection layer. The first insulating reflection layer covers one end of the substrate, the first conductivity type semiconductor layer, the mesa, the transparent electrode. The second insulating reflection layer is disposed on an opposite end of the substrate and includes a structure of a distributed Bragg reflector (DBR).