Tiled Display Panel Binding Layout for Consistent Pixel Driving
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Solution Overview
Problem
The driving difficulty of tiled display panels is high due to inconsistent pixel transferring sequences, requiring rotation of sub-display panels to align binding positions, which complicates the driving process and affects display quality.
Innovation Solution
The tiled display panel design includes two sub-display panels with binding portions at their ends connected by signal lines, allowing them to be tiled without rotation, ensuring consistent pixel arrangement and enabling unified driving, with binding portions at the edges of tiled units to connect chips on film, and incorporating open slots in the glass substrate for chip accommodation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If sub-display panels are tiled with binding portions at edges, then the pixel transferring sequences become inconsistent, but rotating the panels to align binding positions increases device complexity and reduces ease of manufacture
Solution Approach 1:
The patent applies asymmetry by configuring binding portions at specific asymmetric positions (first and second ends) of sub-display panels rather than symmetric edge positions. This asymmetric arrangement allows panels to be tiled without rotation while maintaining consistent pixel transferring sequences, thereby reducing driving process complexity while preserving manufacturing precision.
2Manufacturing precision
If sub-display panels are rotated to align binding positions, then pixel arrangement consistency is improved, but manufacturing complexity and time increase
Solution Approach 1:
Instead of rotating panels to achieve alignment (conventional approach), the patent inverts the approach by configuring binding portions at specific ends of panels so that they naturally align without rotation. This inversion of the traditional tiling method simplifies manufacturing while maintaining pixel arrangement consistency.
3Ease of manufacture
If binding portions are placed at panel edges for tiling, then tiling is facilitated, but signal transmission complexity increases
Solution Approach 1:
The patent makes the first and second ends of sub-display panels universal by configuring identical binding portions at both ends. This universal configuration allows panels to be tiled in multiple orientations without rotation while maintaining consistent signal transmission paths, thereby facilitating tiling without increasing signal transmission complexity.
Data Source
AI summary
A tiled display panel includes at least one tiled unit. Each of the at least one tiled unit includes two sub-display panels tiled in a first direction. Each of the two sub-display panels includes at least two binding portions and at least one signal line. The at least two binding portions are respectively located at two ends of the same sub-display panel in the first direction. The at least one signal line is configured to connect the binding portions located at the two ends of the same sub-display panel. The binding portions located at two ends of each of the at least one tiled unit in the first direction are configured to bind a chip on film.