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:
Sep. 19, 2023
Filed:
Apr. 04, 2022
Epistar Corporation, Hsinchu, TW;
Chao-Hsing Chen, Hsinchu, TW;
Jia-Kuen Wang, Hsinchu, TW;
Tzu-Yao Tseng, Hsinchu, TW;
Tsung-Hsun Chiang, Hsinchu, TW;
Bo-Jiun Hu, Hsinchu, TW;
Wen-Hung Chuang, Hsinchu, TW;
Yu-Ling Lin, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
A semiconductor light-emitting device includes a semiconductor stack including a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, wherein the first semiconductor layer includes a lateral outer perimeter surface surrounding the active layer; a plurality of vias penetrating the semiconductor stack to expose the first semiconductor layer; a first pad portion and a second pad portion formed on the semiconductor stack to respectively electrically connected to the first semiconductor layer and the second semiconductor layer, wherein the second pad portion and the first pad portion are arranged in a first direction; wherein the plurality of vias is arranged in a plurality of rows, the plurality of rows are arranged in the first direction and includes a first row and a second row, the first row is covered by the second pad portion, the second row is not covered by the first pad portion and the second pad portion, wherein a spacing between two adjacent vias in the first row is different from a spacing between two adjacent vias in the second row.