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:
Mar. 24, 2026
Filed:
May. 06, 2022
Applicant:
Xiamen San'an Optoelectronics Co., Ltd., Xiamen, CN;
Inventors:
Yenchin Wang, Xiamen, CN;
Jinghua Chen, Xiamen, CN;
Huanshao Kuo, Tianjin, CN;
Shao-Hua Huang, Xiamen, CN;
Shuiqing Li, Xiamen, CN;
Assignee:
XIAMEN SAN'AN OPTOELECTRONICS CO., LTD., Xiamen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10H 20/82 (2025.01); H10H 20/01 (2025.01); H01L 25/075 (2006.01); H10H 20/841 (2025.01);
U.S. Cl.
CPC ...
H10H 20/82 (2025.01); H10H 20/013 (2025.01); H01L 25/0753 (2013.01); H10H 20/841 (2025.01);
Abstract
A micro light emitting diode includes a semiconductor unit having a first surface and a second surface, and including a first type semiconductor layer, an active layer, and a second type semiconductor layer. The first surface has a roughened portion that is located within a projection of the active layer. The projection of the roughened portion has a projected area not greater than that of the active layer. A micro light emitting device and a display are also disclosed.