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. 31, 2023
Filed:
Jan. 08, 2021
Samsung Display Co., Ltd., Yongin-si, KR;
Jaebum Han, Yongin-si, KR;
Bohwa Kim, Yongin-si, KR;
Younggil Park, Yongin-si, KR;
Junghwa Park, Yongin-si, KR;
Nari Ahn, Yongin-si, KR;
Sooim Jeong, Yongin-si, KR;
SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;
Abstract
A display apparatus is provided which may include a substrate including a display area and a non-display area adjacent to the display area, a first thin-film transistor disposed on the substrate and including a first semiconductor layer including an oxide semiconductor material, and a second thin-film transistor disposed on the substrate and including a second semiconductor layer including a silicon semiconductor material, wherein a surface roughness of the first semiconductor layer is increased by plasma treatment. A method of manufacturing the display apparatus is also provided.