Metal Foam Cushion Plate for Narrow-Bezel Display Cooling
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Solution Overview
Problem
Existing display devices face challenges in reducing the bezel area while maintaining effective heat-dissipation and shock absorption functions, often leading to increased thickness and interlayer separation due to multi-layered structures with different materials.
Innovation Solution
A display module and device utilizing a cushion plate with a metal foam that integrates both heat-dissipation and shock absorption functions, eliminating the need for separate layers and adhesive layers, allowing for a thinner design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the thickness of each of the heat-dissipation layer and the cushion layer is increased, then the heat-dissipation function and shock absorption function can increase, but the total thickness of the display device increases, resulting in an increase in the bezel area
Solution Approach 1:
The patent combines the heat-dissipation layer and cushion layer into a single integrated cushion plate structure. The metal foam material provides both heat dissipation and shock absorption functions simultaneously, eliminating the need for separate layers and reducing the overall thickness and bezel area while maintaining both functions effectively
Solution Approach 2:
The cushion plate is designed as a multi-functional component that performs both heat dissipation and shock absorption. The metal foam structure inherently provides thermal conductivity for heat dissipation while its cellular structure offers shock absorption capability, allowing one component to fulfill multiple protective and thermal management roles
2Reliability
If the thickness of each of the heat-dissipation layer and the cushion layer is increased, then the shock absorption function can increase, but the total thickness of the display device increases, resulting in an increase in the bezel area
Solution Approach 1:
The patent combines the heat-dissipation layer and cushion layer into a single integrated cushion plate structure. The metal foam material provides both heat dissipation and shock absorption functions simultaneously, eliminating the need for separate layers and reducing the overall thickness and bezel area while maintaining both functions effectively
Solution Approach 2:
The cushion plate utilizes metal foam, a porous material with a cellular structure that provides excellent shock absorption properties. The porous structure allows the material to compress and absorb impact energy effectively while maintaining a relatively thin profile, thus reducing bezel area without compromising shock absorption function
3Stability of the object's composition
If a separate adhesive layer is added between the layers to fix them, then the bonding between layers can be improved, but the thickness increases and the cost increases
Solution Approach 1:
The patent combines the heat-dissipation layer and cushion layer into a single integrated cushion plate structure, eliminating the need for separate adhesive layers. This integration simplifies the overall structure, reduces thickness, and lowers manufacturing costs while maintaining structural stability through the unified metal foam construction
4Reliability
If multiple layers with different materials are used to provide different functions, then the functional performance can be improved, but interlayer separation or adhesion deterioration can occur
Solution Approach 1:
The patent combines the heat-dissipation layer and cushion layer into a single integrated cushion plate structure. The metal foam material provides both heat dissipation and shock absorption functions simultaneously, eliminating the need for separate layers and reducing the overall thickness and bezel area while maintaining both functions effectively
Solution Approach 2:
The cushion plate utilizes metal foam, a composite material that combines the properties of metal (thermal conductivity for heat dissipation) with a porous cellular structure (shock absorption). This single composite material provides multiple functions that would otherwise require separate material layers, eliminating adhesion issues between different materials
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 provides improved heat-dissipation, shock absorption, and electromagnetic interference shielding with reduced bezel area, minimizing interlayer separation and manufacturing costs.
Implementation Method 1
A cushion plate for heat-dissipation and shock absorption can be disposed on the lower surface of the display panel
Implementation Method 2
a cushion layer capable of absorbing shock
Data Source
AI summary
A display module and a display device which can improve a heat-dissipation performance and a shock absorption function while reducing a bezel area include a cushion plate with a metal foam that has both a heat-dissipation function and a cushion function, so that both of an effective heat-dissipation function and an effective cushion function can be realized only using the metal foam without addition of a separate heat-dissipation layer or cushion layer. Further, the metal foam of the cushion plate has very excellent heat-dissipation function and cushioning function at only a small thickness thereof, so that a total thickness of the cushion plate can be greatly reduced, and the bezel area can be reduced.