Display panel, driving method of shift register unit of display panel and shift register

By introducing a second shift circuit into the shift register unit of the display panel and coupling it with the enable control terminal, the second power supply terminal, and the output terminal, the problem of insufficient output terminal potential flexibility of the shift register unit is solved, and flexible control of the output terminal potential is realized, ensuring reliable signal transmission during the display and blanking stages.

CN116097340BActive Publication Date: 2026-06-05BOE TECHNOLOGY GROUP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BOE TECHNOLOGY GROUP CO LTD
Filing Date
2021-08-30
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

In related technologies, shift register units have poor flexibility in controlling the output potential.

Method used

A display panel is provided, comprising a substrate and a shift register unit located in a non-display area. The shift register unit includes first and second shift circuits. The second shift circuit is coupled to an enable control terminal, a second power supply terminal, and an output terminal. Under the control of the enable control terminal, the second shift circuit enables the second power supply terminal and the output terminal to be turned on or off, thereby improving the flexibility of the output terminal potential.

Benefits of technology

This improves the flexibility of the shift register unit in controlling the output potential and ensures reliable signal transmission during the display and blanking phases.

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Abstract

Provided are a display panel and a driving method and a shift register of a shift register unit (00) thereof, and belong to the technical field of display. In the shift register unit (00), the second shift circuit (02) is further coupled with an enable control end (EN), a second power supply end (VGL), and an output end (Eout), and the second shift circuit (02) can control the second power supply end (VGL) and the output end (Eout) to be conductive under the control of the enable control end (EN), and control the second power supply end (VGL) to transmit a second power supply signal to the output end (Eout), thereby improving the flexibility of the shift register unit (00) in controlling the potential of the output end (Eout).
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