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:
Jun. 23, 2026
Filed:
Jan. 12, 2023
Db Hitek Co., Ltd., Seoul, KR;
Yong Sin Han, Jeonju-si, KR;
Myeong Bum Pyun, Namdong-gu, KR;
DB HITEK CO., LTD., Seoul, KR;
Abstract
A pillar structure includes an epitaxial layer of a first conductivity type including an active region and a peripheral region surrounding the active region and a plurality of pillars of a second conductivity type, the pillars extending in a vertical direction within the epitaxial layer, being spaced apart from each other in a horizontal direction, respectively, and including active pillars provided in the active region and peripheral pillars provided in the peripheral region, wherein the active pillars are spaced apart from another adjacent each other at a first pitch, and a pair of the peripheral pillars are branched from one of the active pillars and are spaced apart from each other at a second pitch smaller than the first pitch.