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. 14, 2024
Filed:
Oct. 22, 2021
Boe Technology Group Co., Ltd., Beijing, CN;
Yi Chen, Beijing, CN;
Xing Zhang, Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
A pixel compensation circuit includes: a pixel driving circuit including a driving transistor; a detection signal line coupled to the pixel driving circuit and providing a reset signal to a source of the driving transistor or receiving a source voltage of the driving transistor; a sampling module including a switch unit coupled to the detection signal line, a first and second storage units coupled to the switch unit enabling the first storage unit to be connected to the detection signal line, the first storage unit storing a voltage on the detection signal line and taking same as a reference voltage, and enabling the second storage unit to be connected to the detection signal line, the second storage unit storing the source voltage; a comparison and calculation module coupled to the first and second storage units, generates sampling data according to the difference between the reference voltage and the source voltage.