Display Panel Layout for Component-Area Image Transmission
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Solution Overview
Problem
Display panels face challenges in extending the display area to include components such as electronic elements, limiting the ability to display images in areas where these components are located.
Innovation Solution
The display panel design includes a substrate with a main display area and a component area, featuring auxiliary pixel circuits and display elements along with data and gate lines that extend beyond the component area, allowing image display even in areas occupied by electronic components, with transparent electrode connections ensuring high light transmittance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the display area is extended to include component areas with electronic elements, then the display coverage is improved, but the light transmittance and image quality deteriorate due to component interference
Solution Approach 1:
The display panel is segmented into a main display area and a component area, with further division into pixel regions and sub-pixel regions. This segmentation allows the component area to be integrated into the display structure while maintaining distinct functional zones, enabling image display in areas previously occupied solely by components.
Solution Approach 2:
Different regions of the display panel are assigned different functional qualities: the main display area uses standard pixel structures, while the component area employs transparent pixel circuits and transparent electrodes specifically in the component region. This local differentiation allows the component area to maintain both component functionality and light transmittance properties.
2Illumination intensity
If transparent electrode connections are used in the component area, then light transmittance is improved, but manufacturing complexity increases
Solution Approach 1:
The transparent electrode connections in the component area are merged with the existing transparent pixel circuits and transparent common electrode, forming an integrated transparent conductive network. This merging approach allows light transmittance improvement without adding separate manufacturing processes, as the transparent electrodes are formed using the same transparent conductive material layer as the pixel circuits.
3Adaptability or versatility
If auxiliary pixel circuits and display elements are added in the peripheral area, then display functionality is improved, but device complexity increases
Solution Approach 1:
The auxiliary pixel circuits in the peripheral area are designed with multi-functionality: they can serve as display elements themselves, act as driving circuits for the main display area, and provide signal routing functions. This universality allows enhanced display functionality without proportionally increasing device complexity, as the same structural elements perform multiple functions.
Solution Approach 2:
The auxiliary pixel circuits are arranged in the peripheral area along the first and second directions, utilizing the spatial dimension around the main display area. This dimensional arrangement allows the auxiliary circuits to be integrated into the existing panel structure without interfering with the main display functionality, effectively adding display capability in the peripheral dimension.
Data Source
AI summary
A display panel includes: a display area including a main display area, and a component area; a peripheral area; a plurality of main pixel circuits at the main display area; a plurality of main gate lines extending in a first direction, and connected to the main pixel circuits; a plurality of main data lines extending in a second direction, and connected to the main pixel circuits; a plurality of auxiliary display elements at the component area; a plurality of auxiliary pixel circuits at the periphery area, and connected to the auxiliary display elements; a plurality of auxiliary gate lines connected to the auxiliary pixel circuits, and to main gate lines that are adjacent to the component area in the first direction; and a plurality of auxiliary data lines connected to the auxiliary pixel circuits, and to main data lines that are adjacent to the component area in the second direction.