Deformable Heat Radiating Member With Pillar Connectors
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Solution Overview
Problem
Miniaturized and slimmed display devices generate high-temperature heat due to embedded electronic components, leading to potential malfunctions, and require a deformable heat radiating structure to effectively dissipate heat, especially in flexible display devices like bendable, foldable, or rollable formats.
Innovation Solution
A heat radiating member comprising a first and second plate with distinct opening patterns and pillars, along with a wick structure, designed to be folded and securely attached to display devices, utilizing different separation distances and opening widths for enhanced heat dissipation, and films made of thermoplastic polyurethane for improved flexibility and attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a heat radiating structure is made rigid for effective heat diffusion, then heat dissipation performance is improved, but the structure cannot be deformed for use in bendable/foldable/rollable display devices
Solution Approach 1:
The heat radiating structure is divided into multiple plate members (first plate, second plate, third plate) connected by pillars. This segmentation allows each plate to be independently deformable while maintaining overall structural integrity for heat dissipation. The pillars act as flexible connectors that permit bending and folding movements.
Solution Approach 2:
The patent employs thin plate members with controlled thickness to achieve flexibility. The plates are designed with specific thickness ranges (e.g., 0.1-1.0 mm) that allow them to bend and fold while still providing effective heat radiation surfaces. This enables the heat radiating structure to adapt to deformable display devices.
2Adaptability or versatility
If the heat radiating structure is made deformable for flexible display devices, then adaptability is improved, but heat diffusion effectiveness may be reduced
Solution Approach 1:
The heat radiating structure is designed with dynamic characteristics, allowing it to change shape according to the display device configuration. The pillars connecting the plates provide rotational and bending freedom, enabling the structure to adapt to folded, rolled, or bent states while maintaining thermal contact and heat diffusion capability throughout the deformation process.
Solution Approach 2:
The heat radiating structure uses composite construction with multiple plate members and pillar connectors. This composite design allows optimization of each component's properties - plates for heat radiation and pillars for flexible connection - achieving both deformability and effective heat dissipation performance simultaneously.
3Ease of manufacture
If opening patterns with uniform separation distances are used for manufacturing simplicity, then ease of manufacture is improved, but heat dissipation efficiency is reduced
Solution Approach 1:
The plate members feature non-uniform opening patterns where the separation distances between openings vary in different regions. Specifically, the separation distances in a first direction differ from those in a second direction. This local variation optimizes heat dissipation by creating different thermal pathways and convection patterns in different areas, improving overall heat transfer efficiency.
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 diffuses heat generated by electronic devices in deformable display devices, ensuring secure attachment and efficient heat dissipation even during folding or rolling, thus preventing malfunctions and enhancing user convenience.
Implementation Method 1
a wick structure disposed between the first plate and the second plate, extending in the first direction
Implementation Method 2
a heat radiating member having improved quality... effectively diffusing heat generated from the electric device to the outside
Data Source
AI summary
A heat radiating member includes a first plate extending in a first direction and including a first non-folding area, a second non-folding area, and a folding area disposed between the first non-folding area and the second non-folding area and including a plurality of first openings, a second plate extending in the first direction, spaced apart from the first plate in a second direction intersecting the first direction, and including a plurality of second openings in the folding area, and a plurality of pillars disposed between the first plate and the second plate in the first non-folding area and the second non-folding area and connecting the first plate and the second plate. A first separation distance between two adjacent ones of the plurality of first openings and a second separation distance between two adjacent ones of the plurality of second openings are different in the first direction.