显示装置

By incorporating a data detection module and a link status detection module into the display device, electrostatic discharge (ESD) detection and source driver recalibration are achieved, resolving display anomalies caused by ESD and improving the display device's anti-ESD interference capability.

CN117690366BActive Publication Date: 2026-07-17TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD
Filing Date
2024-01-15
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing display devices cannot detect data bit anomalies caused by electrostatic discharge, which prevents the timing controller from recalibrating the driver chip, resulting in abnormal display images.

Method used

A data detection module is set in the display device. It generates a data detection signal by detecting the end signal of data transmission and transmits it to the control module. The control module generates a link status control signal, and the link status detection module generates a link status signal and transmits it to the timing controller. The timing controller recalibrates the source driver according to the link status signal.

Benefits of technology

It improves the display device's resistance to electrostatic discharge interference, ensuring normal display during electrostatic discharge.

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Abstract

本申请提供一种显示装置,该显示装置包括时序控制器和源极驱动器,时序控制器被配置为输出时钟数据恢复训练模式信号;源极驱动器中的时钟信信号恢复模块被配置为根据时钟数据恢复训练模式信号进行时钟数据恢复以及生成数据传输结束信号,并将数据传输结束信号传输至数据检测模块;数据检测模块被配置为根据数据传输结束信号生成数据检测信号并将数据检测信号传输至控制模块;控制模块被配置为根据数据检测信号生成链接状态控制信号并将链接状态控制信号传输至链接状态检测模块;链接状态检测模块被配置为根据链接状态控制信号生成链接状态信号并将链接状态信号传输至时序控制器;时序控制器根据链接状态信号对源极驱动器进行重新校准。
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