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:
Jul. 06, 2021
Filed:
Apr. 10, 2020
Applicant:
Samsung Display Co., Ltd., Yongin-si, KR;
Inventors:
Yunmo Chung, Yongin-si, KR;
Daewoo Lee, Yongin-si, KR;
Ilhun Seo, Yongin-si, KR;
Hojin Yoon, Yongin-si, KR;
Assignee:
Samsung Display Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/12 (2006.01); H01L 27/32 (2006.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1233 (2013.01); H01L 27/124 (2013.01); H01L 27/1248 (2013.01); H01L 27/1255 (2013.01); H01L 27/1259 (2013.01); H01L 27/14603 (2013.01); H01L 27/3262 (2013.01); H01L 27/3272 (2013.01);
Abstract
A display apparatus including a first thin film transistor disposed on a substrate and including a first gate electrode and a first active layer including a silicon semiconductor, and a second thin film transistor disposed on the first thin film transistor and including a second gate electrode and a second active layer overlapping the first thin film transistor, the second active layer including an oxide semiconductor.