LED Spliced Panel Structure for Gap-Free Outdoor Displays
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Solution Overview
Problem
Conventional spliced LCD panels exhibit gaps that affect visual experience, while mini-LED and micro-LED panels have low resolution and high costs, making it crucial to address the gap issue in spliced panels for improved outdoor display performance.
Innovation Solution
A spliced panel design featuring a light-emitting diode substrate with a reflective layer and scattering layer disposed on adjacent display panels to block gaps, ensuring light is reflected outside and preventing dark lines, with a flexible circuit board connection for efficient bonding and even light distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If conventional LCD panels are spliced to achieve large scale displays, then the display area is increased, but gaps appear between panels affecting visual experience
Solution Approach 1:
A light-emitting diode substrate is introduced as an intermediary component between adjacent LCD panels. This substrate serves multiple functions: it blocks the gap between panels, provides additional light emission to fill the gap area, and enhances overall brightness. The intermediary substrate effectively eliminates the harmful visual gap while maintaining the large-scale display configuration.
Solution Approach 2:
The patent combines the gap-blocking function with the light-emitting function into a single integrated component. The light-emitting diode substrate simultaneously serves as a gap filler and a light source, merging two functions that could have been separate components. This integration simplifies the overall structure while effectively addressing the gap issue.
2Object-affected harmful factors
If mini-LED or micro-LED panels are used to reduce gaps, then gap visibility is reduced, but resolution decreases and cost increases
Solution Approach 1:
The patent employs conventional LED technology in the substrate rather than expensive mini-LED or micro-LED technology. This approach uses more mature, cost-effective LED components that achieve the gap-blocking function without requiring the high precision and high cost of mini-LED or micro-LED solutions. The substrate provides sufficient light emission to fill gaps while maintaining cost-effectiveness and resolution.
3Object-affected harmful factors
If a light-emitting diode substrate is added to block gaps, then gap elimination is achieved, but device complexity increases
Solution Approach 1:
The light-emitting diode substrate is designed to perform multiple functions simultaneously: it blocks the gap between panels, emits light to fill the gap area, enhances overall display brightness, and provides a mounting surface for additional components. This multi-functionality reduces the need for separate components, thereby limiting the increase in device complexity while achieving gap elimination.
4Object-affected harmful factors
If the reflective layer is disposed on the third surface with angle greater than 90°, then light is reflected outside preventing dark lines, but manufacturing precision requirements increase
Solution Approach 1:
The patent specifies that the reflective layer be disposed at an angle greater than 90° relative to the third surface. This parameter change optimizes light reflection to direct light outward and prevent dark line formation. The angle specification provides a clear manufacturing target that balances optical performance with manufacturability, ensuring effective dark line prevention while maintaining reasonable manufacturing precision requirements.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution effectively eliminates gaps in display images, enhances contrast ratio, and maintains a gradient brightness to improve overall display effects, ensuring a high-quality visual experience while matching the resolution of the display panels.
Implementation Method 1
the reflective layer is disposed on the third surface. Therefore, part of light emitted from the display panels is reflected outside the display panel
Implementation Method 2
a scattering layer is disposed on a surface of the reflective layer. Therefore, light is scattered and is reflected evenly
Data Source
AI summary
A spliced panel is provided. A light-emitting diode substrate is disposed on two adjacent display panels and blocks a gap. A substrate comprises a first surface, a second surface, and a third surface. The first surface and the second surface are disposed opposite to each other. The third surface is connected between the first surface and the second surface. A plurality of light-emitting diodes are disposed on the first surface. The reflective layer is disposed on the third surface. An angle between the third surface and the second surface is greater than or equal to 90°.