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:
Mar. 05, 2019
Filed:
Jan. 20, 2017
Shenzhen China Star Optoelectronics Technology Co., Ltd., Shenzhen, Guangdong, CN;
Limin Wang, Guangdong, CN;
Tai Jiun Hwang, Guangdong, CN;
SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD., Shenzhen, CN;
Abstract
Disclosed are a circuit and a method for driving an AMOLED pixel. The circuit includes a first transistor, a second transistor, and a grayscale storage capacitor. The circuit further comprises a third transistor. A source of the third transistor is connected to a drain of the first transistor; a drain thereof is connected to ground; and a gate thereof is configured to receive a shutdown control signal. The third transistor is turned on under control of the shutdown control signal and a predetermined shutdown sequence of voltages of respective portions of the circuit.