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:
Feb. 11, 2020
Filed:
May. 16, 2018
Boe Technology Group Co., Ltd., Beijing, CN;
Chengdu Boe Optoelectronics Technology Co., Ltd., Chengdu, Sichuan Province, CN;
Wenchu Han, Beijing, CN;
Fucheng Yang, Beijing, CN;
Zihe Zhang, Beijing, CN;
Hongwei Dai, Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., Chengdu, Sichuan Province, CN;
Abstract
Present disclosure provides OLED driving circuit, comprising: first switch unit, electrically connected between first end of first capacitor and data input end; second switch unit, electrically connected between second end of first capacitor and data input end; third switch unit, its first end electrically connected to voltage input end, its second end electrically connected to OLED, its third end electrically connected to first end of first capacitor, third switch unit configured to switch connection and disconnection between first and second ends of third switch unit; fourth switch unit, its first end electrically connected to first end of first capacitor, its second end electrically connected to second end of third switch unit; wherein first and second ends of second capacitor are electrically connected to voltage input end and second end of first capacitor, respectively. Present disclosure further provides OLED driving method, display substrate and display apparatus.