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:
May. 14, 2024
Filed:
Jun. 28, 2019
Suzhou Lekin Semiconductor Co., Ltd., Taicang, CN;
Youn Joon Sung, Seoul, KR;
SUZHOU LEKIN SEMICONDUCTOR CO., LTD., Taicang, CN;
Abstract
A semiconductor device including a conductive substrate; a semiconductor structure including a first conductive type semiconductor layer, a second conductive type semiconductor layer, and an active layer arranged between the first conductive type semiconductor layer and the second conductive type semiconductor layer, and including a plurality of recesses; a first electrode electrically connecting the first conductive type semiconductor layer to the conductive substrate; a second electrode electrically connected to the second conductive type semiconductor layer; and an insulating layer arranged inside the plurality of recesses. The plurality of recesses include a first recess and a plurality of second recesses, the first electrode includes a plurality of protrusion electrodes extending to the inside of the second, the active layer includes an inactive area arranged between the semiconductor structure and the first recess, and an active area arranged on the inner side of the first recess.