像素驱动电路及其驱动方法、显示基板和显示装置
By designing a pixel driving circuit and utilizing a reset sensing sub-circuit, a driving sub-circuit, a node control sub-circuit, and a light emission control sub-circuit, the signal and voltage difference are precisely controlled, resolving the contradiction between light transmittance, display effect, and lifespan in full-screen mobile phones, and achieving a display effect with high light transmittance and long lifespan.
CN119920202BActive Publication Date: 2026-07-17BOE TECHNOLOGY GROUP CO LTD +2
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- BOE TECHNOLOGY GROUP CO LTD
- Filing Date
- 2023-10-31
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
In full-screen smartphones, existing technologies struggle to extend the lifespan of display products while maintaining light transmittance and display quality.
Method used
Design a pixel driving circuit, including a reset sensing sub-circuit, a driving sub-circuit, a node control sub-circuit, and a light emission control sub-circuit. Drive the OLED light-emitting device to emit light through precise signal control and voltage difference management, and perform brightness and threshold voltage compensation through integrated circuits.
Benefits of technology
It achieves high light transmittance and display effect in full-screen mobile phones while extending the life of display products.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN119920202B_ABST
Abstract
一种像素驱动电路及其方法、显示基板、显示装置，其中，像素驱动电路，包括；复位感应子电路、驱动子电路、节点控制子电路和发光控制子电路；驱动子电路，被配置为在第一节点和第二节点的信号的控制下，向第三节点提供驱动信号；复位感应子电路，被配置为在复位信号端和感应控制信号端的信号的控制下，向第三节点提供控制信号端提供的参考信号，或者向控制信号端提供第一节点或者第三节点的信号；节点控制子电路，被配置为在扫描信号端的信号的控制下，向第一节点提供数据信号端的信号，并存储第一节点和第一电源端的信号之间的电压差；发光控制子电路，被配置为在发光控制信号端的信号的控制下，向第二节点提供第一电源端的信号。
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