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:
Jun. 11, 2019
Filed:
Mar. 16, 2017
Shenzhen China Star Optoelectronics Technology Co., Ltd., Shenzhen, CN;
Jimu Kuang, Shenzhen, CN;
Yichien Wen, Shenzhen, CN;
SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD., Shenzhen, Guangdong, CN;
Abstract
The present invention provides an OLED pixel driving circuit and a pixel driving method. The OLED pixel driving circuit utilizes the 7T2C structure, and comprises a first N type thin film transistor (T), a second N type thin film transistor (T), a third N type thin film transistor (T), a fourth N type thin film transistor (T), a fifth P type thin film transistor (T), a sixth N type thin film transistor (T), a seventh P type thin film transistor (T), a first capacitor (C), a second capacitor (C) and an organic light emitting diode (D), and the first scan signal (Scan), the second scan signal (Scan), the third scan signal (Scan), the light emitting control signal (EM) and the data signal (Data) are combined with one another to correspond to a reset stage, a threshold voltage detection stage, a program stage and a light emitting stage one after another.