Light reflection modification for fireplaces and other products

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Solution Overview

Problem

Conventional fireplaces with glass-ceramic fronts have limited light reflection capabilities, resulting in a non-reflective and monotonous aesthetic, especially in high humidity environments, as they primarily absorb light and only minimally reflect a limited spectrum of light, failing to enhance the visual appeal of the flame.

Innovation Solution

The use of specific substrates such as glass-ceramic, combined with surface textures and coating compositions like metal oxides and thermocatalytic coatings, to enhance light reflection by creating unique reflection patterns, customized color separation, and amplification of the light source, thereby increasing the perceived flame intensity and aesthetic appeal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If glass-ceramic is used as a substrate for fireplace fronts, then resistance to harsh conditions and insulation are improved, but light reflection capability deteriorates

Engineering Contradiction:
Improveresistance to harsh conditionsVSAvoidlight reflection capability
Core Design Contradiction:
ReliabilityVSIllumination intensity

Solution Approach 1:

The patent applies composite materials by combining glass-ceramic substrate with metallic coatings (aluminum, silver, gold) or dielectric coatings (titanium dioxide, zinc oxide). This composite structure maintains the heat resistance and durability of glass-ceramic while adding reflective properties through the coating layers, directly resolving the contradiction between reliability and light reflection capability.

Inventive Principle:
Principle #40Composite materials

2Reliability

If conventional glass-ceramic is used, then durability in high humidity is improved, but aesthetic appeal deteriorates due to non-reflective surface

Engineering Contradiction:
Improvedurability in high humidityVSAvoidaesthetic appeal
Core Design Contradiction:
ReliabilityVSIllumination intensity

Solution Approach 1:

The patent creates a composite structure where glass-ceramic provides humidity resistance while metallic or dielectric coatings provide aesthetic appeal through light reflection. The coating layers are applied to the glass-ceramic surface to create a durable, weather-resistant front that simultaneously delivers vibrant flame reflection and color enhancement.

Inventive Principle:
Principle #40Composite materials

3Use of energy by moving object

If fuel usage is limited to increase energy efficiency, then energy consumption is improved, but flame intensity deteriorates

Engineering Contradiction:
Improveenergy efficiencyVSAvoidflame intensity
Core Design Contradiction:
Use of energy by moving objectVSIllumination intensity

Solution Approach 1:

The patent uses coatings with specific optical properties that reflect and enhance light across different spectrums. Metallic coatings like aluminum and silver provide broad-spectrum reflection, while dielectric coatings can be engineered to reflect specific wavelengths, creating the perception of brighter, more intense flames even when actual flame size is reduced due to energy-efficient fuel consumption.

Inventive Principle:
Principle #32Color changes

Solution Approach 2:

The composite structure of glass-ceramic with metallic or dielectric coatings creates a multi-layer optical system that amplifies and enhances the appearance of the flame. This allows energy-efficient fireplaces to maintain aesthetic flame intensity through optical enhancement rather than requiring proportional fuel consumption.

Inventive Principle:
Principle #40Composite materials

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

This solution significantly enhances the reflected light spectrum, providing a more vibrant and intensified image of the flame, improving the overall aesthetic experience by increasing the color shift Δxy, making the flame appear larger and more dynamic, applicable to various light sources beyond traditional fireplaces.

Implementation Method 1

the coating composition can reflect the first light to produce a second light

Methodology Applied
Scientific EffectLight reflection: Reflection

Data Source

PatentEP3536673B1Light reflection modification for fireplaces and other products
Publication Date: 2022.11.16 SCHOTT CORP
  • EP3536673B1 patent drawingFigure 1
  • EP3536673B1 patent drawingFigure 2
  • EP3536673B1 patent drawingFigure 3

AI summary

The present disclosure relates to products and methods for modifying the reflection of a light source in a fireplace and other products.