Channel-Aligned Display Structure for Low Reflection and Impact Resistance

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Solution Overview

Problem

Existing display devices face issues with light reflection and vulnerability to external impact, which affect their performance and durability.

Innovation Solution

The display device incorporates a channel formation pattern with hollow channels separated by an insulating polymer, featuring light emitting elements aligned between these channels, and includes a pixel circuit layer with circuit elements to enhance robustness and reduce light reflection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If conventional display device structures are used, then manufacturing is simpler, but light reflection occurs and external impact resistance is reduced

Engineering Contradiction:

Improvelight reflectionVSAvoidchannel formation pattern structure

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The channel formation pattern is divided into multiple channels (first channel, second channel, third channel) that are spatially separated and independently formed. Each channel serves specific functions: the first channel receives liquid metal for alignment, the second channel receives ink including light emitting elements, and the third channel receives alignment ink. This segmentation allows the device to eliminate light reflection by removing conductive patterns while maintaining precise alignment capabilities through multiple specialized channels.

Inventive Principle:

Principle #1Segmentation

2Object-affected harmful factors

If conventional display device structures are used, then manufacturing is simpler, but external impact resistance is reduced

Engineering Contradiction:

Improveexternal impactVSAvoidchannel formation pattern structure

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The channel formation pattern creates distinct separated channels that physically isolate different functional components. The first channel with liquid metal provides alignment functionality, the second channel protects light emitting elements, and the third channel provides additional alignment control. This segmented structure enhances external impact resistance by creating a robust, distributed architecture that prevents single-point failures and protects sensitive components through spatial separation.

Inventive Principle:

Principle #1Segmentation

3Manufacturing precision

If conductive patterns are used for alignment, then alignment precision is achieved, but light reflection occurs

Engineering Contradiction:

Improvelight emitting element alignmentVSAvoidlight reflection

Core Design Contradiction:

Manufacturing precisionVSObject-generated harmful factors

Solution Approach 1:

The patent replaces conductive patterns (electrical/mechanical alignment method) with a fluid-based alignment system using liquid metal in the first channel and alignment ink in the third channel. The liquid metal responds to alignment signals by changing its configuration, and the ink layers provide visual alignment references. This substitution eliminates light reflection from conductive patterns while maintaining precise alignment through fluid-based mechanisms that can be controlled electrically or optically.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

4Adaptability or versatility

If multiple channels are formed with different materials, then functionality is enhanced, but manufacturing complexity increases

Engineering Contradiction:

Improvechannel functionalityVSAvoidchannel formation process

Core Design Contradiction:

Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

Each channel is assigned a specific material and function: the first channel uses liquid metal for electrical alignment control, the second channel uses ink containing light emitting elements for display functionality, and the third channel uses alignment ink for positioning. This local quality approach allows each region to have optimized properties for its specific function while being integrated into a unified channel formation pattern structure, making the enhanced functionality achievable through specialized local regions rather than requiring complex global restructuring.

Inventive Principle:

Principle #3Local quality

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 minimizes light reflection and enhances the device's resistance to external impacts, improving its durability and performance, especially in flexible display applications.

Implementation Method 1

a first liquid metal part and a second liquid metal part, each corresponding to a different polarity of the light emitting element, are aligned in response to a voltage applied between a first channel and a second channel

Methodology Applied

Scientific EffectElectromagnetic interaction: Lorentz Force

Data Source

PatentUS12610665B2Display device and method of manufacturing the same

Publication Date: 2026.04.21 SAMSUNG DISPLAY CO LTD

AI summary

A display device according to an embodiment of the disclosure includes a channel formation pattern disposed on a base layer and including a first channel and a second channel spaced apart from each other; and a light emitting element disposed on the channel formation pattern. The light emitting element is aligned between the first channel and the second channel.