Array Base Plate ESD Layout for High-Resolution OLED Panels
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Solution Overview
Problem
The increasing integration of pixels in OLED display panels leads to decreased resistance to electrostatic breakdown, compromising the electrostatic protection capability of the array base plate.
Innovation Solution
Incorporating electrostatic protection portions with connection and free ends on the array base plate, where the connection end is connected to semiconductor portions and the free end extends to a non-display area, allowing static electricity to be discharged, thereby enhancing the electrostatic protection capability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the resolution of the display panel is increased, then the visual experience is improved, but the resistance to electrostatic breakdown decreases
Solution Approach 1:
The invention introduces separate electrostatic protection portions that are segmented from the main pixel structure. These protection portions are distributed in the array and each connects to semiconductor portions, creating independent electrostatic discharge paths that do not interfere with the pixel functionality while providing dedicated protection against electrostatic breakdown.
Solution Approach 2:
The electrostatic protection portions act as intermediary elements between the semiconductor portions and the electrostatic discharge path. They serve as a mediator that captures and directs electrostatic discharge away from sensitive pixel structures, protecting the display panel while maintaining high resolution.
2Measurement precision
If the pixel size is reduced, then the display resolution is improved, but the electrostatic protection capability deteriorates
Solution Approach 1:
The invention applies local quality by making different parts of the display panel have different functions. The pixel regions maintain small size for high resolution, while the electrostatic protection portions are strategically positioned and sized to provide localized electrostatic protection where needed, without affecting the overall pixel density or resolution.
Solution Approach 2:
The electrostatic protection portions extend into the non-display area, utilizing the vertical dimension and edge regions of the substrate that would otherwise be unused. This allows the protection structure to occupy space in a different dimensional zone, avoiding conflict with the high-density pixel arrangement in the display area.
3Productivity
If the integration is increased, then the display resolution is improved, but the electrostatic protection capability deteriorates
Solution Approach 1:
The invention merges the electrostatic protection function with the existing pixel array structure by integrating protection portions alongside the semiconductor portions. The protection portions are formed using similar manufacturing processes and are embedded within the same substrate structure, combining protection functionality with the high-integration display design without requiring separate additional layers or complex assembly steps.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design effectively reduces the electrostatic effect on the array base plate, preventing potential damage and improving its electrostatic protection performance.
Implementation Method 1
The static electricity generated by the array base plate can be transmitted to the connection end through the semiconductor portions, and then transmitted from the connection end to the free end located in the non-display area, therefore the static electricity can be discharged by the free end in the non-display area
Data Source
AI summary
An array base plate, a display panel and a display apparatus. The array base plate includes a display area and a non-display area arranged adjacently. The array base plate includes: a substrate; a semiconductor layer located on the substrate and including a plurality of semiconductor portions distributed in an array along a first direction and a second direction; and one or more electrostatic protection portions each including a connection end and a free end opposing to each other, the connection end being connected with at least one of the semiconductor portions, and the free end extending from the connection end to the non-display area. In the present application, the electrostatic protection performance of the array base plate can be effectively improved by arranging the electrostatic protection portions.