Boundary Display Panel Covers Seam Areas in Tiled Displays
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Solution Overview
Problem
Conventional tiled display devices suffer from image quality deterioration due to seam lines formed when multiple display panels are combined, which can damage neighboring seam areas and reduce the reliability and stability of the display system.
Innovation Solution
A coupling display device is introduced, featuring a boundary display panel that covers neighboring seam areas between element display panels, coupled with a coupler and driven by a boundary driver, and connected to a signal control center to operate as a single coupling panel structure, allowing seamless integration without seam lines and enabling flexible operation modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple display panels are combined to form a tiled display device, then the display size is enlarged, but seam lines appear in the display image deteriorating image quality
Solution Approach 1:
A boundary display panel is introduced as an intermediary component between adjacent element display panels. This boundary panel covers the seam areas where panels meet, acting as a mediator that hides the physical seams and their associated defects. The boundary display panel receives image data from a signal control center and displays content that bridges the gap between adjacent panels, making the seams invisible and eliminating the seam line effect that deteriorates image quality.
2Area of stationary object
If display panels are combined into a tiled display device, then the display area is increased, but the seam areas between panels cause image separation and quality deterioration
Solution Approach 1:
The boundary display panel serves as a protective intermediary that covers and protects the vulnerable seam areas between element display panels. By positioning the boundary panel over the seam regions, it shields the underlying seam areas from damage while maintaining structural integrity. This intermediary structure enhances the reliability of the tiled display device by preventing seam area damage that would otherwise compromise display performance.
3Manufacturing precision
If a boundary display panel is added to cover seam areas, then image quality is improved by eliminating seam lines, but device complexity increases
Solution Approach 1:
The boundary display panel is designed with multi-functionality to reduce overall device complexity. It simultaneously performs multiple functions: (1) covering the seam areas to eliminate visible seams, (2) providing structural support between element panels, (3) serving as a protective layer for seam regions, and (4) displaying image content that bridges adjacent panels. By consolidating these multiple functions into a single component, the design avoids the need for separate protective structures, mounting mechanisms, and sealing systems, thereby managing complexity while achieving high image quality.
4Volume of moving object
If the coupling display device is made flexible to enable folding, then storage space is reduced, but manufacturing precision and reliability may be compromised
Solution Approach 1:
The coupling display device incorporates flexible display technology, where the boundary display panel and its supporting structures are constructed using flexible materials and thin-film architectures. This allows the entire tiled display assembly to be folded or bent without compromising the integrity of the seam area coverage. The flexible construction maintains the precise alignment and positioning of the boundary panel relative to element panels even when folded, preserving manufacturing precision while enabling compact storage.
Data Source
AI summary
A tile display device includes element display devices, each including an element display panel which defines a display area and a panel driver disposed on a seam area surrounding the display area, and a coupling display device disposed on element display devices and coupled to the element display devices at neighboring seam areas. The coupling display device includes a boundary display panel on the neighboring seam areas, a coupler which couples the boundary display panel to the element display panels to provide a coupling panel structure, a boundary driver which drives the boundary display panel and a signal control center which drives the coupling panel structure.