Display device

By introducing sensing and computing circuits into the micro LED pixel circuit, variations in the voltage and carrier mobility of the driving transistors are sensed and corrected, thus solving the display abnormality problem caused by transistors after long-term use and improving the stability and quality of the display device.

CN122416918APending Publication Date: 2026-07-17AU OPTRONICS CORP
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
AU OPTRONICS CORP
Filing Date
2026-06-01
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

After prolonged use, the critical voltage and carrier mobility of the transistors in the micro LED pixel circuit can change, leading to display abnormalities.

Method used

By introducing sensing and computing circuits into the display device, variations in the critical voltage and carrier mobility of the driving transistor are sensed and compensated for through adjustment and correction of the data voltage.

Benefits of technology

It effectively reduces image retention, corrects voltage offset and carrier mobility decay of driving transistors, and improves the stability and display quality of display devices.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122416918A_ABST
    Figure CN122416918A_ABST
Patent Text Reader

Abstract

一种显示装置。显示装置包括像素阵列、源极驱动器、感测电路、计算电路、以及开关电路。像素阵列具有多个像素电路及耦接像素电路的多个源极线，其中各个像素电路具有位于电流路径上的发光元件以及驱动晶体管以及位于驱动晶体管的控制端与参考电压之间的重置晶体管。开关电路将这些源极线耦接至源极驱动器以及感测电路中的一者。在显示模式中，驱动晶体管的控制端的电压经由重置晶体管重置。在感测模式中，计算电路基于感测电路提供的感测电压判断各个像素电路中的驱动晶体管的临界电压偏移以及载流子迁移率衰减。
Need to check novelty before this filing date? Find Prior Art