Display Module Heat Dissipation Layout for Brightness-Induced Hotspots

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Solution Overview

Problem

Display modules in vehicles generate excessive heat, leading to local yellowing and reduced service life due to heat accumulation, and electromagnetic interference affects display performance.

Innovation Solution

Incorporating a first and second heat dissipation structure with a heat generation element inside a heat dissipation space, preventing direct heat transfer to the display panel and enhancing heat dissipation through separate structures.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If high brightness is used for display, then display visibility is improved, but heat accumulation increases causing local yellowing and reduced service life

Engineering Contradiction:
Improvedisplay brightnessVSAvoidheat accumulation
Core Design Contradiction:
Illumination intensityVSTemperature

Solution Approach 1:

The heat dissipation structure is divided into multiple independent heat dissipation units distributed across the backplane, each unit independently dissipating heat from specific high-heat-generation areas of the display panel, thereby segmenting the heat dissipation function to improve overall efficiency

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Heat dissipation units are strategically positioned at locations corresponding to high heat generation areas of the display panel, creating localized heat dissipation zones with enhanced thermal conductivity materials, while other areas maintain normal structural properties

Inventive Principle:
Principle #3Local quality

2Temperature

If heat dissipation structures are added, then heat dissipation performance is improved, but device complexity increases

Engineering Contradiction:
Improveheat dissipation performanceVSAvoidstructure complexity
Core Design Contradiction:
TemperatureVSDevice complexity

Solution Approach 1:

The heat dissipation units are integrated directly into the backplane structure, merging the heat dissipation function with the structural support function, thereby avoiding additional separate heat dissipation components and reducing overall device complexity

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The backplane serves dual functions as both structural support and heat dissipation component, with the heat dissipation units embedded within it, making the structure multi-functional and eliminating the need for separate dedicated heat dissipation structures

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Improves heat dissipation performance, reduces local panel temperature, prolongs service life, and minimizes electromagnetic interference, ensuring stable display operation.

Implementation Method 1

a first heat dissipation structure, wherein the first heat dissipation structure is disposed at a first side of the display panel and configured to dissipate heat for display panel

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

a second heat dissipation structure, wherein the second heat dissipation structure is disposed at a side of the first heat dissipation structure away from the display panel

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 3

a heat dissipation space is provided between the second heat dissipation structure and the first heat dissipation structure

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentUS12615950B2Display module including heat generation element between heat dissipation structures
Publication Date: 2026.04.28 CHENGDU BOE OPTOELECTRONICS TECH CO LTD
  • US12615950B2 patent drawing
  • US12615950B2 patent drawing
  • US12615950B2 patent drawing

AI summary

The present disclosure provides a display module and an intelligent terminal. The display module includes: a display panel; a first heat dissipation structure, wherein the first heat dissipation structure is disposed at a first side of the display panel, and the first heat dissipation structure is configured to dissipate heat for the display panel; a second heat dissipation structure, where the second heat dissipation structure is disposed at a side of the first heat dissipation structure away from the display panel, and a heat dissipation space is formed between the second heat dissipation structure and the first heat dissipation structure; a first heat generation element, wherein the first heat generation element includes at least one heat generation unit, and the at least one heat generation unit is located inside the heat dissipation space.