Bendable Display Panel With Fractured Touch Wire Mesh
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Solution Overview
Problem
Existing display panels face challenges in maintaining bending resistance and transmittance while ensuring effective touch functionality and reducing visibility of touch wires under strong light.
Innovation Solution
The display panel incorporates a bendable region with a mesh structure of touch wires featuring fractures in specific directions, a color film layer with openings, and a photosensitive region with optimized light-emitting units and fractures to enhance bending resistance, transmittance, and touch performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a mesh structure of touch wires is provided in the display panel, then touch functionality is achieved, but the touch wires become visible under strong light
Solution Approach 1:
The touch wire mesh structure is designed with fractures to create a porous-like pattern. The fractures reduce the continuous metal coverage area, allowing more light to pass through and reducing the visibility of touch wires under strong light while preserving touch functionality through the remaining wire structure.
Solution Approach 2:
The continuous touch wire mesh is segmented by introducing fractures that divide the wire structure into discrete sections. This segmentation reduces the visual continuity of the wires, making them less visible under strong light while maintaining sufficient connectivity for touch operation.
2Adaptability or versatility
If the display panel is made bendable, then flexibility and adaptability are improved, but bending resistance and structural integrity deteriorate
Solution Approach 1:
The touch wire mesh is segmented with fractures that allow the structure to flex more easily during bending. These discontinuities reduce stress concentration points, enabling the display panel to bend without compromising the structural integrity of the touch wire layer.
Solution Approach 2:
The touch wire structure is designed as a thin film layer with controlled fractures that can accommodate bending deformations. The fractured pattern allows the thin film to flex while maintaining electrical connectivity, achieving both bendability and structural integrity.
3Illumination intensity
If the touch layer is made opaque to reduce wire visibility, then touch wire visibility is reduced, but light transmittance deteriorates
Solution Approach 1:
The touch wire layer is designed with a porous-like fractured pattern that reduces metal coverage area. This allows more light to transmit through the gaps created by fractures, maintaining high light transmittance while reducing the visibility of touch wires through the reduced continuous metal presence.
Data Source
AI summary
Embodiments of the present disclosure provide a display panel and a display apparatus. The display panel includes a display substrate and a touch layer disposed on a side of the display substrate proximal to a light-exiting side of the display panel; the display panel is provided with a bendable region and a non-bendable region connected to each other; and the touch layer includes a plurality of touch wires intersected with one another to form a mesh structure, the mesh structure being provided with a plurality of fractures, the plurality of fractures including a plurality of first fractures in the bendable region, truncation directions of the plurality of first fractures including at least one of the following directions: a direction parallel to a length direction of the bendable region, and a direction perpendicular to the length direction of the bendable region.