Display Panel Hole Layout for High-Transmittance Component Areas
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing display panels face challenges in maintaining high transmittance in regions where components are arranged, which affects the functionality and design flexibility of electronic devices.
Innovation Solution
The display panel design includes a specific arrangement of pixel circuits, light-emitting elements, and a blocking metal layer to ensure high transmittance in areas where components are located, with a unique layout of initialization control lines and voltage lines to enhance electrical connectivity and reduce interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If components are arranged in the display panel, then functionality and design flexibility are enhanced, but transmittance in those regions deteriorates
Solution Approach 1:
The patent applies local quality by creating a hole area with distinct optical properties (higher transmittance) compared to other regions. The pixel defining layer is configured to form this hole area that is spaced apart from circuit elements, allowing light to pass through more effectively in this specific region while maintaining component functionality. This localized optimization resolves the contradiction by improving transmittance where needed without compromising the functional arrangement of components.
2Illumination intensity
If a blocking metal layer is introduced to improve transmittance, then optical performance is enhanced, but device complexity increases
Solution Approach 1:
The blocking metal layer is merged with the pixel defining layer structure. The pixel defining layer includes both the hole area formation and the blocking metal layer as integrated components. This merging approach allows the blocking metal layer to serve dual purposes: blocking light in certain regions while maintaining the overall structural integrity and simplicity of the display panel, thus enhancing transmittance without proportionally increasing device complexity.
3Illumination intensity
If the hole area is positioned centrally within the imaginary triangle of light-emitting areas, then transmittance is optimized, but manufacturing precision requirements increase
Solution Approach 1:
The display panel is segmented into distinct functional zones: hole area, light-emitting areas, and circuit element regions. The hole area is defined as a separate zone within the pixel structure, bounded by the pixel defining layer. This segmentation allows for standardized manufacturing processes where each zone can be produced using established techniques, reducing the overall manufacturing precision burden while still achieving the optimal central positioning within the imaginary triangle through design rather than extreme precision requirements.
Data Source
AI summary
A display panel includes a pixel defining layer including a first pixel opening defining a first light-emitting area of a first light-emitting element, a second pixel opening defining a second light-emitting area of a second light-emitting element, a third pixel opening defining a third light-emitting area of the third light-emitting element, and an opening defining a hole area, wherein the hole area is spaced apart from circuit elements constituting first to third pixel circuits, wires electrically connected to the first to third pixel circuits, and in a plan view, a center of the hole area is located within an imaginary triangle defined by connecting a center of the first light-emitting area, a center of the second light-emitting area, and a center of the third light-emitting area.