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. 05, 2025
Filed:
Jun. 23, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Hyunjoon Kim, Seoul, KR;
Dongkyun Kim, Suwon-si, KR;
Dongho Kim, Seoul, KR;
Joonyong Park, Suwon-si, KR;
Seogwoo Hong, Yongin-si, KR;
Kyungwook Hwang, Seoul, KR;
Junsik Hwang, Hwaseong-si, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A micro light-emitting element includes a first conductivity type semiconductor layer including a lower surface on which an uneven pattern is formed, an active layer provided on the first conductivity type semiconductor layer, a second conductivity type semiconductor layer provided on the active layer, at least one electrode provided on the second conductivity type semiconductor layer, and a transparent coating layer including a first surface covering the lower surface of the first conductivity type semiconductor layer, and a second surface facing the first surface and having a second surface roughness that is less than a first surface roughness of the lower surface of the first conductivity type semiconductor layer.