Curved Display Heat Discharge Chassis Slim Profile

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Solution Overview

Problem

Conventional display devices face challenges in achieving a slim form factor due to their structural design, which limits their ability to be compact while maintaining effective heat dissipation and optical performance for curved displays.

Innovation Solution

A display device design featuring a curved backlight unit, display panel, and a heat discharge bottom chassis, where the light source unit, optical member, and display panel accommodating parts are integrally formed using a die-casting process with metal materials, allowing for a unified structure that supports the display panel and enhances heat dissipation, while maintaining a slim profile.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Length of moving object

If conventional structural design is used for display devices, then manufacturing and assembly are simplified, but the device cannot achieve a slim form factor while maintaining effective heat dissipation and optical performance

Engineering Contradiction:
Improvethickness of display deviceVSAvoidstructural complexity
Core Design Contradiction:
Length of moving objectVSDevice complexity

Solution Approach 1:

The patent merges the bottom chassis and heat dissipation structure into a single integrated component. The bottom chassis is designed with an integrated heat dissipation structure that includes a heat source accommodating portion, heat dissipation channels, and heat radiation portions, eliminating the need for separate heat dissipation components and reducing overall device thickness while maintaining effective heat management

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The bottom chassis serves multiple functions simultaneously: it provides structural support, facilitates heat dissipation through integrated channels and radiation portions, and accommodates light sources. This multi-functional design reduces the number of separate components needed, achieving a slim profile without compromising thermal or optical performance

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

2Ease of manufacture

If multiple separate components are used for bottom chassis, light source unit, and heat dissipation structure, then assembly and manufacturing are easier, but the overall device size increases and heat dissipation efficiency decreases

Engineering Contradiction:
Improvemanufacturing processVSAvoidheat dissipation efficiency
Core Design Contradiction:
Ease of manufactureVSTemperature

Solution Approach 1:

The bottom chassis is designed as an integrated structure combining support, heat dissipation, and light source accommodation functions. The heat dissipation structure includes heat dissipation channels formed within the bottom chassis itself and heat radiation portions that extend toward the display panel, creating efficient thermal pathways without requiring separate heat dissipation components

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The bottom chassis features localized heat dissipation structures positioned strategically near heat-generating components. The heat radiation portions are specifically positioned to face the display panel, and the heat dissipation channels are configured to efficiently conduct heat away from light sources, optimizing thermal management at critical locations

Inventive Principle:
Principle #3Local quality

3Reliability

If conventional bottom chassis design is used, then manufacturing is simpler, but the device cannot achieve effective heat dissipation and optical performance for curved displays

Engineering Contradiction:
Improveheat dissipation and optical performanceVSAvoidmanufacturing complexity
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The bottom chassis integrates multiple functions including structural support, heat dissipation through embedded channels, and light source accommodation. The heat dissipation structure is formed as an integral part of the bottom chassis, with heat dissipation channels and radiation portions that work together to efficiently manage thermal loads while supporting the display panel and backlight unit

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The bottom chassis is designed with distinct functional zones: a heat source accommodating portion for light sources, heat dissipation channels for thermal management, and heat radiation portions for heat release. This segmentation of functions within an integrated structure allows for optimized performance of each function while maintaining manufacturing feasibility through unified construction

Inventive Principle:
Principle #1Segmentation

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 enables a slim and efficient display device with improved heat dissipation and optical performance, enhancing the three-dimensional effect and user immersion by integrating the light source, optical member, and display panel into a single, curved unit with a die-casting metal chassis.

Implementation Method 1

The heat discharge bottom chassis includes a light source unit accommodating part accommodating the light source unit, an optical member accommodating part disposed on the light source unit accommodating part, accommodating the optical member, and supporting the display panel

Methodology Applied
Scientific EffectHeat conduction: Conduction (thermal)

Data Source

PatentEP3062145B1Display device and method of manufacturing the same
Publication Date: 2019.11.06 SAMSUNG DISPLAY CO LTD
  • EP3062145B1 patent drawingFigure 1A
  • EP3062145B1 patent drawingFigure 1B
  • EP3062145B1 patent drawingFigure 2A~2B

AI summary

A display device (10) comprising: a curved backlight unit (200) generating a light; a curved display panel (100) disposed on the backlight unit (200) and receiving the light to display an image; and a curved heat discharge bottom chassis (300) fixing the backlight unit (200) and the display panel (100) to each other, the backlight unit (200) comprising: a light source unit (230) generating the light; and an optical member (250) disposed on the light source unit (230), the heat discharge bottom chassis (300) comprising: a light source unit accommodating part (310) accommodating the light source unit (230); an optical member accommodating part (320) disposed on the light source unit accommodating part (310), accommodating the optical member (250), and supporting the display panel (100); and a display panel accommodating part (330) disposed on the optical member accommodating part (320) and accommodating the display panel (100), wherein the light source unit accommodating part (310), the optical member accommodating part (320), and the display panel accommodating part (330) comprise a same material.