Thin Display With Side-Mounted Light-Source Heat Absorption
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Solution Overview
Problem
The challenge of effectively dissipating heat generated by light sources arranged along the sides of a liquid crystal display panel, which can adversely affect the operation and thickness reduction of the display apparatus, is not adequately addressed by existing methods such as fans or heat radiation fins.
Innovation Solution
A display apparatus configuration featuring a heat absorbing section, a metal back surface plate, a metal front surface plate, and a middle chassis with lower thermal conductivity, along with a heat sink system to efficiently dissipate heat generated by side-mounted light sources without increasing the apparatus thickness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of stationary object
If light sources are arranged along each side of the liquid crystal panel to reduce thickness, then the apparatus thickness is reduced, but heat accumulates at peripheral portions affecting operation
Solution Approach 1:
A heat absorbing section is introduced as an intermediary component between the light sources and the liquid crystal panel. This heat absorbing section captures and conducts away heat generated by the side-mounted light sources, preventing heat accumulation at the peripheral portions of the liquid crystal panel while maintaining the thin-profile design.
Solution Approach 2:
The heat absorption function is extracted from the main structural components and assigned to a dedicated heat absorbing section. This allows the heat management function to be performed separately, enabling the light sources to be mounted at the sides for thickness reduction without compromising the thermal environment of the liquid crystal panel.
2Temperature
If a fan is arranged to diffuse heat generated by light sources, then heat dissipation is improved, but electric power consumption increases and thickness reduction becomes difficult
Solution Approach 1:
The heat absorbing section is designed to passively conduct and dissipate heat through thermal conduction to the frame or housing without requiring external power input. The system utilizes the natural thermal conduction properties of materials to achieve heat dissipation, eliminating the need for powered cooling devices like fans.
Solution Approach 2:
The active mechanical cooling system (fan) is replaced with a passive thermal conduction system. The heat absorbing section utilizes thermal conduction through direct contact with the frame or housing to dissipate heat, substituting the mechanical airflow generation with a simpler thermal conduction mechanism that requires no power input.
3Temperature
If heat radiation fins are arranged to diffuse heat, then heat dissipation is improved, but apparatus thickness cannot be reduced
Solution Approach 1:
The heat absorbing section serves as an intermediary that captures heat from the side-mounted light sources and conducts it laterally to the frame or housing. This approach eliminates the need for protruding heat radiation fins, as heat dissipation is achieved through the lateral thermal conduction path integrated into the existing apparatus structure.
Solution Approach 2:
The frame or housing structure is given a dual function: it provides structural support and simultaneously serves as a heat dissipation path. By utilizing the existing structural components for thermal management, the design avoids adding separate heat radiation fins that would increase thickness.
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 side-mounted light sources, reducing temperature rise and enabling thinner display apparatus designs without the need for fans, thus minimizing power consumption and noise.
Implementation Method 1
a heat absorbing section for absorbing heat generated by the light sources
Implementation Method 2
a back surface plate arranged at a back surface side of the liquid crystal panel and made of a metal, wherein a portion of the back surface plate is in close contact with the heat absorbing section... a front surface plate arranged at a front surface side of the liquid crystal panel and made of a metal
Data Source
AI summary
Provided is a display apparatus including a display panel for displaying an image, a heat source arranged at a side surface of at least one side of the display panel, a heat absorbing section for absorbing heat generated by the heat source, a back surface plate arranged at a back surface side of the display panel and made of a metal, a portion of the back surface plate being in c lose contact with the heat absorbing section, a front surface plate arranged at a front surface side of the display panel and made of a metal, and a middle chassis arranged between the front surface plate and the heat absorbing section.