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:
Dec. 23, 2025
Filed:
May. 16, 2024
Boe Technology Group Co., Ltd., Beijing, CN;
Yunsik Im, Beijing, CN;
Shunhang Zhang, Beijing, CN;
Zhenyu Zhang, Beijing, CN;
Zhen Zhang, Beijing, CN;
Peirou Li, Beijing, CN;
Dongni Liu, Beijing, CN;
Lianfu Yu, Beijing, CN;
Beijing BOE Technology Development Co., Ltd., Beijing, CN;
Abstract
A pixel drive circuit is configured to drive a light emitting device to emit light, the light emitting device includes a first electrode and a second electrode, the pixel drive circuit includes a current control sub-circuit and a duration control sub-circuit; the duration control sub-circuit is configured to provide control signal to a first node under control of signals of a first scan signal line, a first reset signal line, a first light emitting signal line, control signal line, a data signal line, an initial signal line, and a first power supply line; the current control sub-circuit is configured to provide a drive current to a first electrode of a light emitting device under control of signals of a first node, a second scan signal line, a second reset signal line, a second light emitting signal line, a Data signal line, and a second power supply line.