Display Circuit Cover Structure for Thin, Durable Electrical Paths

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Solution Overview

Problem

Existing display apparatuses face limitations in improving electrical characteristics and durability due to the need for precise characteristic control and thinning, which affects picture quality and high resolution.

Innovation Solution

A display apparatus design featuring a display panel, protective panel, circuit board, and circuit cover portion with specific regions and layers for electrical connection and grounding, including a conductive layer and insulating layers, allowing for stable electrical paths and protection from external impacts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Weight of moving object

If the display apparatus is thinned to improve portability and design, then weight and thickness are reduced, but electrical characteristics and durability deteriorate

Engineering Contradiction:
ImproveweightVSAvoidelectrical characteristics
Core Design Contradiction:
Weight of moving objectVSReliability

Solution Approach 1:

The patent employs thin-film structures for the circuit board and circuit cover portion, achieving weight reduction while maintaining electrical functionality through optimized thin-film conductor and insulator layers that preserve electrical characteristics despite reduced thickness

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The patent uses composite material structures combining multiple layers (conductive layers, insulating layers, protective layers) in the circuit board and circuit cover portion to achieve both thinness and durability, where each layer contributes specific properties that collectively resolve the contradiction between weight reduction and reliability maintenance

Inventive Principle:
Principle #40Composite materials

2Weight of moving object

If the display apparatus is thinned to improve portability and design, then weight and thickness are reduced, but durability deteriorates

Engineering Contradiction:
ImproveweightVSAvoiddurability
Core Design Contradiction:
Weight of moving objectVSStrength

Solution Approach 1:

The circuit cover portion is designed as a thin-film structure with multiple layers including conductive and insulating layers that provide both weight reduction and structural durability, where the thin-film design maintains strength through optimized layer composition and bonding

Inventive Principle:
Principle #30Flexible shells and thin films

Solution Approach 2:

The circuit cover portion is disposed to surround and protect the circuit board, creating a nested protective structure where the thinner circuit cover portion encloses and shields the circuit board components, enhancing durability without adding significant weight

Inventive Principle:
Principle #7Nested doll (Nesting)

3Reliability

If precise characteristic control is implemented to improve electrical characteristics, then electrical performance improves, but device complexity increases

Engineering Contradiction:
Improveelectrical characteristicsVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The circuit cover portion features different regions (wing region, connection region) with specialized functions and structures, where each region has optimized local properties (conductive layer configuration, insulating layer placement) to achieve precise electrical characteristic control without requiring complex overall design

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The circuit cover portion is divided into functionally distinct regions (wing region for electrical connection to circuit board, connection region for electrical connection to protective panel) that can be independently optimized and manufactured, reducing overall device complexity while maintaining precise electrical characteristics

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

Enhances electrical characteristics and durability while maintaining thin and lightweight design, ensuring stable electrical connections and protection against external factors.

Implementation Method 1

a circuit cover portion (150) including a main region (151), a wing region (152) connected to the main region (151), located between the circuit board (130) and the protective panel (120), and electrically connected to the circuit board (130), and a connection region (153) disposed in the main region (151) and electrically connected to the protective panel (120) in a region different from the wing region (152)

Methodology Applied
Scientific EffectElectrical conduction: Conduction (electrical)

Implementation Method 2

The circuit cover portion (150) may include a conductive layer and an insulating layer on at least one surface of the conductive layer

Methodology Applied
Scientific EffectElectrical insulation: Dielectric

Implementation Method 3

A display apparatus design featuring a display panel, protective panel, circuit board, and circuit cover portion with specific regions and layers for electrical connection and grounding, including a conductive layer and insulating layers, allowing for stable electrical paths and protection from external impacts

Methodology Applied
Scientific EffectMechanical protection: Impact Force

Data Source

PatentEP4711842A1Display apparatus
Publication Date: 2026.03.18 SAMSUNG DISPLAY CO LTD
  • EP4711842A1 patent drawingFigure 1
  • EP4711842A1 patent drawingFigure 2
  • EP4711842A1 patent drawingFigure 3

AI summary

A display apparatus includes a display panel including a display element generating visible light, a protective panel disposed to face one surface of the display panel, a circuit board disposed to face the protective panel to apply an electrical signal to the display panel, and a circuit cover portion including a main region, a wing region connected to the main region, located between the circuit board and the protective panel, and electrically connected to the circuit board, and a connection region disposed in the main region and electrically connected to the protective panel in a region different from the wing region.