Buffered Driving Signal Layout for Large High-Resolution Display Panels
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Solution Overview
Problem
The interaction between driving and pixel circuits in large-size and high-resolution display panels causes serious distortion of driving signals, affecting display quality.
Innovation Solution
Incorporation of switching circuits that store and read driving signals before outputting them to pixel circuits, reducing direct interaction and signal distortion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the display panel size and resolution are increased, then the display quality is improved, but the interaction between driving circuit and pixel circuit causes serious signal distortion
Solution Approach 1:
The patent introduces a buffering circuit as an intermediary component between the driving circuit and pixel circuit. This buffering circuit receives the driving signal, holds it temporarily, and then outputs it to the pixel circuit, thereby isolating the direct interaction between driving and pixel circuits that causes signal distortion in large-size high-resolution displays
2Device complexity
If direct connection between driving circuit and pixel circuit is maintained, then device complexity is reduced, but signal distortion occurs due to interaction effects
Solution Approach 1:
The buffering circuit serves as a mediator that minimally increases device complexity while significantly improving signal integrity. It consists of basic components (capacitor and switch) that add minimal complexity but effectively prevent the harmful interaction between driving and pixel circuits
Data Source
AI summary
A display panel includes a driving circuit for outputting a driving signal, a switching circuit coupled to the driving circuit for inputting and storing the driving signal; reading and outputting the stored driving signal; a pixel circuit connected with the switching circuit for inputting the stored driving signal. The present disclosure can improve the display effect and is conducive to the development of large-size high-resolution display panels.