Display substrate and control method therefor, as well as display device
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- BOE TECHNOLOGY GROUP CO LTD
- Filing Date
- 2021-04-27
- Publication Date
- 2026-06-10
AI Technical Summary
The silicon-based OLED technology faces challenges in achieving higher PPI due to limitations in pixel circuit capacitance, driving circuit area and power consumption, threshold voltage drift compensation, and system-level bandwidth and power consumption, which hinder the development of high-resolution displays.
The display substrate employs capacitance multiplexing, where one storage capacitor corresponds to multiple pixel units, and a pixel circuit drives a group of pixel units, including a driving circuit, data writing, storage, and sensing circuits, with a light-emitting control circuit applying driving current to each unit at different times, reducing transistor and capacitor density and optimizing power consumption.
This approach enhances display quality by maintaining voltage stability, reducing chip area and power consumption, and improving resolution while addressing threshold voltage drift, thus enabling higher PPI displays.