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:
Dec. 23, 2025
Filed:
May. 18, 2021
Samsung Display Co., Ltd., Yongin-si, KR;
Bohwa Kim, Yongin-si, KR;
Younggil Park, Yongin-si, KR;
Minuk Kim, Yongin-si, KR;
Sungwook Woo, Yongin-si, KR;
Nari Ahn, Yongin-si, KR;
Samsung Display Co., Ltd., Yongin-si, KR;
Abstract
A display apparatus including a circuit with improved characteristics and including a thin-film transistor includes a first interlayer insulating layer arranged on a substrate, a first semiconductor layer arranged on the first interlayer insulating layer and including an oxide semiconductor material, a first gate electrode arranged on the first semiconductor layer, a second interlayer insulating layer arranged on the first gate electrode, and a first electrode layer arranged on the second interlayer insulating layer and electrically connected to the first semiconductor layer through a first contact hole penetrating the second interlayer insulating layer, wherein the first semiconductor layer includes an opening corresponding to the first contact hole, and the first electrode layer contacts an inner surface of the opening.