Display Vapor Chamber Segmentation for Thermal Interference Control
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Solution Overview
Problem
Existing display devices face challenges in effectively dissipating heat from multiple heating elements while occupying a small volume and preventing thermal interference between vapor chambers.
Innovation Solution
A display device with a vapor chamber system that includes spatially separated first and second vapor chambers, each containing a fluid, and wicks adjacent to a coupling portion to facilitate heat transfer from multiple heating elements without interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single vapor chamber is used to dissipate heat from multiple heating elements, then the heat dissipation structure is simple, but thermal interference occurs between heating elements
Solution Approach 1:
The single vapor chamber is divided into multiple independent vapor chambers (first vapor chamber, second vapor chamber, etc.), each corresponding to a specific heating element. This segmentation prevents thermal interference between heating elements while maintaining effective heat dissipation from each element independently.
2Object-affected harmful factors
If multiple vapor chambers are used to prevent thermal interference, then thermal interference is prevented, but the device volume increases
Solution Approach 1:
Multiple vapor chambers are arranged in an overlapping configuration where they partially overlap with each other in the plan view. This nesting-like arrangement allows the vapor chambers to share space efficiently, reducing the overall volume of the heat dissipation structure while maintaining thermal independence between chambers.
3Object-affected harmful factors
If vapor chambers are spatially separated to prevent thermal interference, then thermal interference is prevented, but the connection between vapor chambers and heating elements becomes complex
Solution Approach 1:
Multiple vapor chambers are coupled to form an integrated vapor chamber assembly that is collectively connected to the heating elements through the PCB. This merging approach simplifies the overall connection structure while maintaining the thermal independence of individual chambers, as the chambers work together as a unified heat dissipation system.
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 system efficiently dissipates heat from multiple heating elements while occupying a small volume and prevents thermal interference, ensuring effective heat dissipation and protection of adjacent elements.
Implementation Method 1
provides a first space in which the first fluid convects
Implementation Method 2
contains a first fluid... in which the first fluid convects
Implementation Method 3
a first wick which is adjacent to the coupling portion inside the first vapor chamber, and extends along the coupling portion, and through which the first fluid moves
Data Source
AI summary
Disclosed is a display device. The display device of the present disclosure includes: a display panel; a frame located in a rearward direction of the display panel; a PCB which is coupled to the frame, and has a first heating element and a second heating element that are spaced apart from each other; and a vapor chamber in contact with the first heating element and the second heating element, wherein the vapor chamber includes: a first vapor chamber which contacts the first heating element, contains a first fluid, and provides a first space in which the first fluid convects; a second vapor chamber which contacts the second heating element, contains a second fluid, and provides a second space in which the second fluid convects; a coupling portion which partitions the first space and the second space at between the first vapor chamber and the second vapor chamber; a first wick which is adjacent to the coupling portion inside the first vapor chamber, and extends along the coupling portion, and through which the first fluid moves; and a second wick which is adjacent to the coupling portion inside the second vapor chamber, and extends along the coupling portion, and through which a flow path of the second fluid moves.