Transparent Portion in Color-Rendering Layer for Metallic Sheen
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Solution Overview
Problem
Optical devices with color-rendering layers that absorb or scatter light prevent the reflection of incident light by a metal reflector layer, resulting in a lack of metallic sheen, especially under varying lighting conditions.
Innovation Solution
Incorporating a transparent portion that allows some incident light to pass through and reach a metal portion, enabling controlled reflection and enhancing or reducing the metallic sheen based on lighting conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If an opaque color-rendering layer is used to provide color, then color rendering is improved, but light reflection by the metal reflector layer is blocked and metallic sheen is lost
Solution Approach 1:
The patent applies local quality by creating a color-rendering layer with spatially varying optical properties. The layer includes translucent regions that allow light to reach the metal reflector for metallic sheen, and opaque regions that block light for color rendering. This local differentiation resolves the contradiction by allowing both color and metallic sheen to coexist in different areas of the same layer.
Solution Approach 2:
The patent uses composite materials by combining translucent and opaque materials within the color-rendering layer. The translucent portions transmit light to enable metal reflection, while the opaque portions absorb or scatter light to provide color. This composite structure allows the layer to simultaneously achieve color rendering and metallic sheen effects.
2Ease of manufacture
If an opaque color-rendering layer is used to provide color, then color rendering is improved, but light transmission to the metal reflector is blocked and metallic sheen is lost
Solution Approach 1:
The patent applies local quality by creating a color-rendering layer with spatially varying optical properties. The layer includes translucent regions that allow light to reach the metal reflector for metallic sheen, and opaque regions that block light for color rendering. This local differentiation resolves the contradiction by allowing both color and metallic sheen to coexist in different areas of the same layer.
Solution Approach 2:
The patent uses composite materials by combining translucent and opaque materials within the color-rendering layer. The translucent portions transmit light to enable metal reflection, while the opaque portions absorb or scatter light to provide color. This composite structure allows the layer to simultaneously achieve color rendering and metallic sheen effects.
3Illumination intensity
If a transparent portion is added to allow light transmission, then metallic sheen is improved, but the structure becomes more complex
Solution Approach 1:
The patent merges the color-rendering function and the light-transmission function into a single integrated layer. Rather than adding a separate transparent layer alongside an opaque color layer, the invention combines both functions in one layer with regions of varying opacity. This reduces structural complexity while achieving both color rendering and metallic sheen.
Solution Approach 2:
The color-rendering layer serves multiple functions: it provides color rendering in opaque regions and enables metallic sheen in translucent regions. This multi-functionality eliminates the need for separate dedicated layers for each function, thereby reducing overall structural complexity while achieving both effects.
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 transparent portion allows for tunable metallic sheen in optical devices, enhancing their appearance under different lighting conditions by controlling light reflection.
Implementation Method 1
the transparent portion is dimensioned to allow at least some incident light to pass through
Implementation Method 2
the at least one metal portion is positioned in the article to provide reflection of incident light
Implementation Method 3
A color-rendering layer contains colorant particles that can absorb and/or scatter certain wavelengths of light
Implementation Method 4
A color-rendering layer contains colorant particles that can absorb and/or scatter certain wavelengths of light
Data Source
AI summary
An article includes at least one layer including a transparent portion and at least one metal portion; and a color-rendering layer; wherein the at least one metal portion is positioned in the article to provide reflection of incident light; and wherein the transparent portion is dimensioned to allow at least some incident light to pass through. A method of making an article is also disclosed.