Display Panel Layout With Auxiliary Pixel Circuits for Component Areas
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Solution Overview
Problem
Existing display panels struggle to efficiently utilize space by integrating components, such as electronic elements, within the display area while maintaining high image quality and light transmittance.
Innovation Solution
A display panel design that includes a substrate with a main display area, a component area for auxiliary sub-pixels, and a peripheral area for auxiliary pixel circuits. The auxiliary storage capacitor has a greater capacity than the main storage capacitor, and connecting lines made of different materials ensure efficient signal transfer and light transmittance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If components are integrated within the display area, then space utilization is improved, but light transmittance deteriorates
Solution Approach 1:
The display panel is divided into a main display area and a component area. The component area is further segmented into multiple sub-regions (first component region, second component region, third component region) that can independently display images. This segmentation allows components to be integrated within the display area while maintaining light transmittance in the main display area, as the component area can be optimized for both component integration and display functionality.
2Area of stationary object
If auxiliary sub-pixels are added to the component area, then display area is expanded, but device complexity increases
Solution Approach 1:
The auxiliary pixel circuit is designed to control multiple auxiliary sub-pixels (first auxiliary sub-pixel, second auxiliary sub-pixel, third auxiliary sub-pixel) simultaneously. By merging the control functionality into a single auxiliary pixel circuit located in the peripheral area, the patent expands the display area to include the component area while minimizing the increase in device complexity through shared control mechanisms.
3Illumination intensity
If connecting lines use different materials, then light transmittance is improved, but manufacturing precision requirements increase
Solution Approach 1:
Different materials are used for connecting lines in different regions of the display panel. Specifically, the patent employs different material compositions for connecting lines passing through the component area versus those in the main display area. This local quality approach optimizes light transmittance in the component area while maintaining reliable electrical connections, with each region's connecting lines tailored to its specific functional requirements.
Data Source
AI summary
A display panel includes: a substrate including a main display area, a component area, and a peripheral area; a main sub-pixel at the main display area on the substrate; a main pixel circuit connected to the main sub-pixel, and including a main storage capacitor; an auxiliary sub-pixel at the component area on the substrate; an auxiliary pixel circuit at the peripheral area on the substrate, and including an auxiliary storage capacitor; and a connecting line connecting the auxiliary sub-pixel to the auxiliary pixel circuit. A capacity of the auxiliary storage capacitor is greater than a capacity of the main storage capacitor.