栅极驱动电路、面板驱动电路和显示装置
Through the coordinated operation of the input switch module, output module, pull-down module, pull-down sustaining module, and resistor module, the autonomous pull-down function is realized, simplifying the structure of the GOA driver circuit and reducing costs.
CN120472839BActive Publication Date: 2026-07-17SHENZHEN SKYWORTH DISPLAY TECH CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHENZHEN SKYWORTH DISPLAY TECH CO LTD
- Filing Date
- 2025-04-29
- Publication Date
- 2026-07-17
AI Technical Summary
Technical Problem
In existing GOA driving circuits, the pull-down function relies on an inverting circuit composed of four MOSFETs, which leads to a complex circuit structure, a large number of components, and increases the complexity of panel design and manufacturing costs.
Method used
It adopts an input switch module, an output module, a control module, a pull-down module, a pull-down sustaining module, and a resistor module. By simplifying the circuit structure, it achieves the autonomous pull-down function and eliminates the reverse circuit composed of four MOSFETs.
Benefits of technology
It effectively simplifies the circuit structure, reduces manufacturing costs, and solves the problems of complex circuit structure and high cost.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN120472839B_ABST
Abstract
本申请涉及一种栅极驱动电路、面板驱动电路和显示装置，包括：输入开关模块、输出模块、控制模块、自下拉模块，下拉维持模块以及电阻模块，所述电阻模块的第一端与所述自下拉模块的控制端以及所述控制模块的控制端电连接，所述电阻模块的第二端与第一节点电连接，所述第一节点为所述自下拉模块的输出端、所述下拉维持模块的控制端以及所述电阻模块的第二端连接的节点，通过输入开关模块、输出模块、自下拉模块、下拉维持模块以及电阻模块的协同作用，实现了自主下拉功能，简化了电路结构，从而解决了现有相关技术中因栅极驱动电路采用4个MOS管组成的反向电路实现下拉功能所导致的电路结构复杂、制造成本高的问题。
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