Display Panel Mounting Structure for Decor Panel Heat Isolation
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Solution Overview
Problem
Existing display devices face challenges in minimizing the transfer of heat generated in the light source module to the decor panel, which can lead to increased temperature and reduced reliability.
Innovation Solution
The display device incorporates a heat insulating member between the screw and the lower panel, spaced through-holes to minimize heat conduction, a long hole to lengthen the heat conduction path, and a heat insulating pad or protrusions to reduce thermal contact areas, thereby preventing heat from reaching the decor panel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a mounting housing made of metal material is used to dissipate heat from the light source module, then heat dissipation performance is improved, but heat is transferred to the front portion of the display device causing the decor panel temperature to increase
Solution Approach 1:
The patent segments the mounting housing into multiple parts: a rear housing that contacts the light source module for heat dissipation, and a front housing that is spaced from the decor panel. This segmentation allows the heat dissipation function to be separated from the heat transfer path to the front panel, resolving the contradiction between effective heat dissipation and preventing heat transfer to the decor panel.
Solution Approach 2:
The patent introduces an intermediary air gap between the front housing and the decor panel, and potentially heat insulating members, to mediate the thermal interaction. This intermediary prevents direct thermal contact between the metal housing (which is hot from dissipating light source heat) and the decor panel, thereby resolving the contradiction by allowing heat dissipation while blocking heat transfer to the front panel.
2Ease of manufacture
If through-holes are provided for screw passage to secure the decor panel, then assembly is simplified, but heat conduction path is created from screw to decor panel
Solution Approach 1:
The patent introduces heat insulating members as intermediaries within the through-holes or at the screw-decor panel interface. These heat insulating members allow the screw to pass through and secure the assembly while simultaneously blocking the heat conduction path from the screw to the decor panel, thus resolving the contradiction between assembly simplicity and heat blocking.
Solution Approach 2:
The patent applies heat insulating properties locally at the screw-decor panel interface rather than requiring the entire structure to be thermally insulating. This localized application of heat insulation maintains the structural integrity and assembly simplicity while specifically addressing the heat conduction issue at the critical contact point.
3Volume of moving object
If the light source module is mounted close to the decor panel for compact design, then device size is reduced, but heat transfer to the decor panel increases
Solution Approach 1:
The patent introduces heat insulating members and air gaps as thermal intermediaries between the light source module assembly and the decor panel. These intermediaries allow the components to be positioned close together for compactness while simultaneously preventing direct heat transfer, thus resolving the contradiction between compact design and heat isolation.
Solution Approach 2:
The patent segments the housing structure into rear and front portions with distinct thermal functions, allowing compact overall design while maintaining thermal separation. The rear housing handles heat dissipation from the light source, while the front housing is thermally isolated from the decor panel, enabling compactness without compromising heat isolation.
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
This design effectively minimizes the transfer of heat to the decor panel, improving the reliability and appearance of the display device by maintaining lower temperatures and reducing thermal contact areas.
Implementation Method 1
a heat insulating member disposed between a head of the screw and the lower panel
Implementation Method 2
an inner circumference of the first through-hole and/or an inner circumference of the second through-hole may be spaced apart from an outer circumference of the screw
Implementation Method 3
A long hole extending in a left and right direction may be defined in the lower panel, and the lone hole may pass between the front panel and the screw
Implementation Method 4
a heat insulating pad provided between a rear surface of the mounting housing and a front surface of the back cover
Data Source
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AI summary
Provided is a display device. The display device includes a display panel, a light guide plate disposed behind the display panel, a light source module configured to emit light toward the light guide plate, a mounting housing on which the light source module is mounted, the mounting housing being made of a metal material, a back cover configured to cover the mounting housing from a rear side, a lower cover bent forward from a lower end of the back cover to cover the mounting housing from a lower side, a guide frame configured to surround a circumference of the display panel and cover the lower cover, a decor panel including a lower panel configured to cover the guide frame from a lower side and a front panel extending upward from a front end of the lower panel, a screw coupled to the lower cover by sequentially passing through the lower panel and the guide frame, and a heat insulating member disposed between a head of the screw and the lower panel.