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:
Jan. 13, 2026
Filed:
Mar. 19, 2021
Samsung Display Co., Ltd., Yongin-Si, KR;
Industry-university Cooperation Foundation Hanyang University Erica Campus, Ansan-si, KR;
Joon Seok Park, Yongin-si, KR;
Saeroonter Oh, Seoul, KR;
Myounghwa Kim, Seoul, KR;
Su Hyun Kim, Seongnam-si, KR;
Young Joon Choi, Busan, KR;
Jun Hyung Lim, Seoul, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Industry-University Cooperation Foundation Hanyang University ERICA Campus, Ansan-si, KR;
Abstract
A display device may include a substrate, a barrier layer disposed on the substrate and having a trench, an active pattern disposed on the barrier layer, formed of an oxide semiconductor, and including a channel region protruding downward along a profile of the trench, and a source region and a drain region disposed at each end of the channel region, respectively, a gate electrode disposed on the active pattern and overlapping the channel region, a source electrode disposed on the gate electrode and electrically connected to the source region, and a drain electrode disposed on the gate electrode and electrically connected to the drain region.