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. 22, 2020
Filed:
Sep. 23, 2019
Epistar Corporation, Hsinchu, TW;
Li-Ming Chang, Hsinchu, TW;
Tzung-Shiun Yeh, Hsinchu, TW;
Chien-Fu Shen, Hsinchu, TW;
Yu-Rui Lin, Hsinchu, TW;
Chen Ou, Hsinchu, TW;
Hsin-Ying Wang, Hsinchu, TW;
Hui-Chun Yeh, Hsinchu, TW;
EPISTAR CORPORATION, Hsinchu, TW;
Abstract
A light-emitting device includes a first edge to a fourth edge; a semiconductor stack formed on a substrate, including a first semiconductor layer, a second semiconductor layer and an active layer; a first electrode formed on the first semiconductor layer, including a first pad electrode and a first finger electrode; and a second electrode formed on the second semiconductor layer, including a second pad electrode and a second finger electrode; wherein the first finger electrode is disposed at and along the first edge; and the first finger electrode includes a first overlapping portion overlapping the second finger electrode; the second finger electrode includes a second overlapping portion overlapping the first finger electrode and a non-overlapping portion that does not overlap the first finger electrode; and the second overlapping portion is not parallel with the first overlapping portion and the non-overlapping portion is not parallel with the first edge.