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:
May. 17, 2022
Filed:
Mar. 13, 2020
Applicant:
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Guangdong, CN;
Inventors:
Letao Zhang, Guangdong, CN;
Xiaoxing Zhang, Guangdong, CN;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/14 (2006.01); H01L 27/32 (2006.01); H01L 27/12 (2006.01);
U.S. Cl.
CPC ...
H01L 27/3262 (2013.01); H01L 27/1225 (2013.01); H01L 27/1251 (2013.01); H01L 27/3265 (2013.01); H01L 27/3272 (2013.01); H01L 27/3276 (2013.01);
Abstract
An OLED display device including an OLED pixel driving circuit is provided. A driving thin film transistor in the OLED pixel driving circuit is configured as a double gate oxide thin film transistor, and a switch thin film transistor is configured as a top gate self-aligned oxide thin film transistor. A manufacturing method of a TFT array substrate is also provided, and the TFT array substrate is used for preparing the OLED display device.