Display Panel Valley Portion for Component Integration
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Solution Overview
Problem
Conventional display panels face challenges in extending the display area to accommodate electronic components, limiting the ability to display images in areas where components are integrated, and compromising on light transmittance and image resolution.
Innovation Solution
A display panel design featuring a substrate with an organic insulating layer extending to the peripheral area, a valley portion surrounding the display area, and a pixel circuit unit arranged between the valleys, allowing for a separate pixel circuit in the peripheral area to drive components in the display area, enhancing light transmittance and image resolution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the display area is extended to accommodate electronic components, then the functionality and integration are improved, but the light transmittance and image resolution deteriorate
Solution Approach 1:
The display panel is divided into a display area and a peripheral area, with the pixel circuit unit located in the peripheral area rather than overlapping with display elements. This segmentation allows the display area to maintain high light transmittance while the peripheral area accommodates electronic components, resolving the contradiction between functionality and light transmittance.
2Device complexity
If the pixel circuit is integrated with display elements in the same area, then the device complexity is reduced, but the image resolution and light transmittance deteriorate
Solution Approach 1:
The pixel circuit unit is moved from a two-dimensional overlap with display elements to a separate peripheral area, effectively using the lateral dimension of the substrate. This dimensional reorganization maintains structural simplicity while achieving high image resolution and light transmittance by eliminating circuit-obstructed display regions.
3Reliability
If the organic insulating layer is extended to the peripheral area, then the component protection and electrical isolation are improved, but the manufacturing complexity increases
Solution Approach 1:
The organic insulating layer serves multiple functions: it provides electrical isolation between the pixel circuit unit and substrate, protects electronic components in the peripheral area, and maintains structural continuity across the entire panel. This multi-functionality improves reliability while the standardized extension process keeps manufacturing complexity manageable.
Data Source
AI summary
A display apparatus includes a display panel including a first area in which a first display element and a first pixel circuit are arranged, a second area in which a second display element is arranged, and a peripheral area in which a pixel circuit unit including a second pixel circuit is arranged; and a component arranged below the display panel to correspond to the second area, wherein the display panel includes a substrate; an organic insulating layer that is arranged between the first display element and the first pixel circuit, and extends to the peripheral area; and a valley portion that is provided as an opening in the organic insulating layer in the peripheral area, and at least partially surrounds the first area, wherein the valley portion includes a first valley and a second valley that are apart from each other with the pixel circuit unit therebetween.