Stretchable Display Panel Edge Structure for Crack Isolation
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Solution Overview
Problem
Current stretchable display panels face issues with inadequate space for isolation columns at the edge, leading to poor crack isolation and encapsulation effects due to insufficient encapsulation distance.
Innovation Solution
The implementation of a slope layer with isolation columns along its plane at the edge of the island and bridge regions, increasing the space for isolation columns and enhancing the crack isolation and encapsulation effects by expanding the isolation area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If isolation columns are placed at the edge of the display panel, then crack isolation effect is improved, but the space available for isolation columns is insufficient
Solution Approach 1:
The patent introduces a slope layer that creates a three-dimensional structure at the edge of the display panel. By forming a slope plane with a specific angle (30-60 degrees) relative to the substrate, the isolation area extends into the vertical dimension, thereby increasing the available space for isolation columns without occupying additional horizontal area on the substrate.
Solution Approach 2:
The slope layer creates a curved or inclined surface rather than a flat edge. This curved geometry allows isolation columns to be positioned along the slope plane, effectively utilizing the three-dimensional space created by the angled surface to accommodate more isolation structures within the same footprint.
2Reliability
If encapsulation distance is increased, then encapsulation effect is improved, but the edge space becomes more limited
Solution Approach 1:
The slope layer extends the encapsulation area into the vertical dimension by creating an inclined surface. This allows the encapsulation structure to achieve greater effective encapsulation distance while maintaining the same horizontal footprint, as the slope provides additional vertical space for the encapsulation layers to extend along the angled surface.
3Reliability
If more isolation columns are placed at the edge, then crack isolation effect is improved, but the edge space is insufficient
Solution Approach 1:
The slope layer provides a curved or inclined surface that naturally accommodates multiple isolation columns along its length. This curved geometry allows for a systematic arrangement of isolation columns at different positions along the slope, increasing the number of isolation structures without requiring complex three-dimensional stacking or overlapping arrangements.
Data Source
AI summary
A stretchable display panel, a preparation method therefor, and a display apparatus, relating to the technical field of display. Wherein the stretchable display panel includes an island region (01) disposed with a display apparatus (A), a bridge region (02) disposed with wiring (B), and a hole-region (03). A separation region (10) is disposed at an edge of the island region (01) and/or an edge of the bridge region (02). The separation region (10) includes a slope layer (11) and a plurality of isolation columns (12) disposed along a slope plane of the slope layer (11).