Layered Decorative Panel Assemblies for Scratch-Resistant Appliance Surfaces

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Solution Overview

Problem

Home appliances often require surfaces with desirable visual appearances like brushed stainless steel, wood, or leather, but these materials are prone to scratching and are not ideal for practical use due to their durability issues.

Innovation Solution

A layered decorative assembly comprising a textured support layer, a decorative layer conforming to the texture, and a protective outer layer, which mimics the appearance of other materials without using them, while providing scratch resistance and cleanability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If actual brushed stainless steel, wood, or leather materials are used for appliance surfaces, then desirable visual appearance is achieved, but scratch resistance deteriorates

Engineering Contradiction:
Improvevisual appearanceVSAvoidscratch resistance
Core Design Contradiction:
Illumination intensityVSReliability

Solution Approach 1:

The patent creates a textured support layer that replicates the visual appearance of materials like brushed stainless steel, wood, or leather through controlled surface texturing, rather than using the actual materials. This copying approach achieves the desired aesthetic while avoiding the durability issues of the original materials.

Inventive Principle:
Principle #26Copying

Solution Approach 2:

The patent employs a composite structure consisting of multiple layers: a textured support layer, a decorative layer, and a protective layer. This composite material system combines the aesthetic properties of natural materials with the durability and scratch resistance of synthetic protective materials.

Inventive Principle:
Principle #40Composite materials

2Illumination intensity

If actual materials like brushed stainless steel are used, then visual appearance is achieved, but cleanability deteriorates

Engineering Contradiction:
Improvevisual appearanceVSAvoidcleanability
Core Design Contradiction:
Illumination intensityVSEase of operation

Solution Approach 1:

The patent uses a composite layered structure where the protective layer provides smooth, non-porous surfaces that are easy to clean and maintain, while the underlying textured support layer delivers the desired visual appearance. This separation of functions resolves the contradiction between aesthetics and cleanability.

Inventive Principle:
Principle #40Composite materials

3Reliability

If a protective layer is added to protect the decorative layer, then scratch resistance improves, but device complexity increases

Engineering Contradiction:
Improvescratch resistanceVSAvoidlayered assembly complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent divides the appliance surface into distinct functional layers: a textured support layer for appearance, a decorative layer for aesthetics, and a protective layer for durability. This segmentation allows each layer to perform its specific function optimally while maintaining overall system reliability.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentEP4105012A1Decorative panel assemblies
Publication Date: 2022.12.21 GEMTRON CORP
  • EP4105012A1 patent drawingFigure 1a~1b
  • EP4105012A1 patent drawingFigure 2
  • EP4105012A1 patent drawingFigure 3

AI summary

The present disclosure provides a layered assembly. The assembly has a support layer that has a textured surface. A decorative layer is applied to the textured surface. The layered assembly can therefore exhibit many different visual appearances depending on the texturing that is created on the support layer and imparted to the decorative layer. The present disclosure also provides methods of making the layered assembly, and appliances that use the layered assembly.