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.

Date of Patent:
Mar. 24, 2020

Filed:

Nov. 23, 2017
Applicant:

Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd., Shenzhen, Guangdong, CN;

Inventors:

Jing Xu, Guangdong, CN;

Tai-jiun Hwang, Guangdong, CN;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G09G 3/20 (2006.01); G11C 19/28 (2006.01);
U.S. Cl.
CPC ...
G09G 3/20 (2013.01); G11C 19/28 (2013.01); G09G 2310/0286 (2013.01);
Abstract

A scan driver and a driving method of scan driver are provided. The scan driver includes a first shift register and a second shift register respectively receiving a first clock signal and a second clock signal, a first initial pulse signal and a second initial pulse signal and according to a first scanning type or a second scanning type scans scan lines; a selection unit receiving selection signals to select the first shift register or the second shift register for scanning scan lines; a logic control unit receiving an output enable sign controls the outputting; a level shift unit outputting a level signal; an output amplifier amplifying the level signal and outputting to the scan lines. Therefore, it achieves to satisfy requirement of progressive scanning and non-sequential scanning.


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