Dual Sub-Drivers for Scan Line Load Balancing in Display Panels
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Solution Overview
Problem
In liquid crystal display panels, reducing color shift while increasing the viewing angle range results in a high load on scan lines that control the potential difference between sub and main pixels, leading to inefficiencies.
Innovation Solution
The implementation of a driving apparatus with a pixel region comprising main and sub pixels, utilizing an active switch array, scan line array, and gate driver on array circuit, where two sub driver circuits jointly drive each scan line to independently manage the potential difference, reducing the load on individual scan lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a single scan line controls the potential difference between sub pixel and main pixel, then color shift is reduced, but the load on the scan line becomes high
Solution Approach 1:
The patent divides the control function for potential difference between multiple scan lines. Specifically, a first scan line controls the potential difference for a first pixel unit, while a second scan line controls the potential difference for a second pixel unit. This segmentation distributes the control burden and reduces the load on any single scan line while maintaining the color shift reduction effect.
2Power
If multiple sub driver circuits jointly drive each scan line, then load on individual scan lines is reduced, but device complexity increases
Solution Approach 1:
The patent designs driver circuits that can serve multiple functions. The first driver circuit includes a first sub driver circuit and a second sub driver circuit, where the first sub driver circuit drives the first scan line and the second sub driver circuit drives the second scan line. This multi-functional design allows a single driver circuit structure to control multiple scan lines, reducing overall device complexity while maintaining load distribution benefits.
Data Source
AI summary
The present application discloses a driving apparatus and method of a display panel. The apparatus includes a first driver circuit and a second driver circuit; each of the first driver circuit includes two first sub driver circuits, the two first sub driver circuits correspondingly connected to one first scan line and oppositely arranged on two ends of the first scan line, and the two first sub driver circuits jointly driving the first scan line; each of the second driver circuit includes two second sub driver circuits, the two second sub driver circuits correspondingly connected to one second scan line and oppositely arranged on two ends of the second scan line, and the two second sub driver circuits jointly driving the second scan line; and the two second sub driver circuits oppositely arranged on the two ends of the second scan line jointly drive the second scan line.