Grid Display Panel Alignment Using Resin-Coupled Module Holders
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Solution Overview
Problem
Display devices with multiple panels often experience unevenness and gaps due to height differences between neighboring display modules, which can lead to screen distortion.
Innovation Solution
A display device with a grid arrangement of display panels, using fastening brackets and a module holder coupled by resin, where the fastening brackets have different engagement positions for each panel to compensate for thickness variations, and a module holder with segmented fastening portions and resin injection to secure uniform alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If multiple display panels are arranged in a grid to create large displays, then the display size and flexibility are improved, but unevenness and gaps occur between neighboring panels due to height differences
Solution Approach 1:
A module holder is introduced as an intermediary component between display panels and the mounting structure. The module holder includes a fastening bracket with a fastening portion that couples to the display panel and another portion that couples to the mounting structure, serving as a mediator to compensate for height differences and ensure uniform alignment of multiple panels
Solution Approach 2:
The fastening bracket is designed with adjustable parameters including different fastening positions and resin injection quantities. By changing the injection quantity of resin and adjusting the fastening position, the system compensates for manufacturing tolerances and thermal deformations to maintain panel alignment uniformity
2Adaptability or versatility
If display panels with different thicknesses are used to accommodate manufacturing tolerances, then adaptability is improved, but height differences between panels worsen the alignment uniformity
Solution Approach 1:
The fastening bracket extends in the thickness direction with fastening portions positioned at different locations. This dimensional extension allows the bracket to accommodate panels of different thicknesses by fastening at appropriate positions, converting the thickness variation problem into a position adjustment solution
Solution Approach 2:
The system adjusts the fastening position parameter of the bracket and the resin injection quantity to compensate for panel thickness variations. By changing these parameters, panels with different thicknesses can be uniformly aligned without compromising alignment precision
3Ease of manufacture
If resin injection is used to couple the fastening bracket to the module holder, then assembly ease is improved, but the complexity of the coupling mechanism increases
Solution Approach 1:
Traditional mechanical fastening methods (screws, clips) are replaced with resin injection coupling. The resin chemically bonds the fastening bracket to the module holder, simplifying the assembly process while the bracket's structural design maintains coupling reliability without complex mechanical components
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 reduces unevenness and gaps between display modules, simplifying assembly and ensuring a uniform surface by compensating for manufacturing tolerances and thermal deformations.
Implementation Method 1
The resin may be injected into a space between the second fastening portion and the third fastening portion
Data Source
AI summary
This display device comprises: a plurality of display panels arranged in a grid pattern; a fastening bracket coupled to the respective rear surfaces of the plurality of display panels; a module holder coupled to the fastening bracket by means of a resin; a control unit located on the rear surface of the module holder; and a back cover that covers the control unit and is fastened to the module holder. Since the coupling position of a display module between the fastening bracket and the module holder can be set differently for each of display modules, stepped portions and gaps between the display modules can be reduced.