Display Panel Heat Dissipation and Light Adjustment for 3D Effects
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Solution Overview
Problem
Display devices face issues with overheating, which can lead to failure or damage, and there is a need for improved heat dissipation and light adjustment to enhance display performance and provide three-dimensional and multiple depth-of-field effects.
Innovation Solution
A display device design incorporating a heat dissipation element on the non-light emitting side and a light adjustment structure on the light emitting side, with light emitting units corresponding to light concentration units, allowing for effective heat dissipation and controlled light emission to achieve desired display effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If the display panel operates at high brightness to improve display quality, then the display brightness is improved, but the heat generation increases causing overheating problems
Solution Approach 1:
The display panel is divided into multiple light emitting units (LEDs) arranged in an array, with each unit independently controllable. This segmentation allows selective activation of specific LED regions, enabling high brightness display in required areas while leaving other areas at lower brightness levels, thus reducing overall heat generation while maintaining display quality where needed.
Solution Approach 2:
Different regions of the display panel are assigned different brightness levels based on local requirements. The control circuit selectively adjusts the brightness of specific light emitting units corresponding to different display regions, allowing high brightness in areas requiring it while maintaining lower brightness in other areas to minimize heat generation throughout the entire panel.
2Manufacturing precision
If the light emitting units are densely arranged to improve display resolution, then the display quality is improved, but the heat concentration increases leading to overheating
Solution Approach 1:
A heat dissipation structure is extracted and integrated into the display panel assembly, positioned to receive heat from the densely arranged light emitting units. This separate heat dissipation component allows the light emitting units to maintain their dense arrangement for high resolution while the heat dissipation structure independently manages the thermal load, preventing heat concentration issues.
Solution Approach 2:
A heat dissipation structure acts as an intermediary between the light emitting units and the surrounding environment. This intermediate component facilitates heat transfer from the densely packed LEDs to the external environment, allowing high-density arrangement for improved resolution while preventing excessive heat concentration through active or passive heat dissipation mechanisms.
3Device complexity
If the display panel structure is simplified to reduce complexity, then the manufacturing is easier, but the heat dissipation capability is reduced leading to overheating
Solution Approach 1:
The heat dissipation structure is merged with the display panel assembly, integrating thermal management functionality into the existing structural components. By combining the light emitting unit mounting structure with heat dissipation features, the design achieves effective heat dissipation without adding significant structural complexity, as the same structural elements serve both mechanical support and thermal management functions.
4Duration of action of moving object
If the light emitting units operate continuously to maintain display output, then the display continuity is improved, but the heat accumulation increases causing overheating
Solution Approach 1:
The control circuit implements periodic or pulsed operation of the light emitting units rather than continuous operation. By controlling the LED arrays in periodic cycles with controlled duty cycles, the display maintains continuous visual output through rapid on-off cycling, while the periodic nature of the operation allows heat to dissipate between cycles, preventing excessive heat accumulation while maintaining display continuity.
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 reduces overheating, enables high-brightness display without damage, and allows for three-dimensional and multiple depth-of-field display capabilities, enhancing user experience and safety in applications like augmented reality.
Implementation Method 1
heat dissipation element disposed on the non-light emitting side of the display panel
Implementation Method 2
heat emitted by the display panel can be dissipated by the heat dissipation element
Implementation Method 3
multiple light concentration units, where each of the light emitting units corresponds to one of the light concentration units
Implementation Method 4
light concentration units
Implementation Method 5
light adjustment structure disposed on the light emitting side of the display panel and includes multiple light control units
Implementation Method 6
achieve three-dimensional images or multiple depth-of-field display effects
Data Source
AI summary
A display device including a display panel, a heat dissipation element, and a light adjustment structure. The display panel has a light emitting side and a non-light emitting side and includes multiple light emitting units and multiple light concentration units. Each of the light emitting units corresponds to one of the light concentration units. The heat dissipation element is disposed at the non-light emitting side of the display panel, and includes multiple light control units. Each of the light control units corresponds to at least two of the light emitting units.