Optical Element Structural Coloration to Replace Pigment-Based Dyes
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Solution Overview
Problem
Conventional methods for imparting color to man-made objects rely on pigments or dyes, which can be environmentally unfriendly and lack aesthetic appeal, while also not providing the dynamic color shifts achievable through structural color mechanisms.
Innovation Solution
The use of optical elements that create structural colors through scattering, refraction, reflection, and interference, either alone or in combination with textured surfaces and primer layers, to produce aesthetically appealing, angle-dependent color effects without the need for pigments or dyes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If pigments or dyes are used to impart color to articles, then coloration is achieved, but environmental harm increases and aesthetic appeal is reduced
Solution Approach 1:
The patent extracts and eliminates pigments and dyes from the coloration process, replacing them with optical elements that generate color through physical optical effects rather than chemical substances. This removal of harmful chemical agents directly addresses the environmental harm issue while maintaining the coloration function.
Solution Approach 2:
The patent substitutes chemical coloration mechanisms with optical mechanisms. Instead of using chemical pigments to absorb and reflect light, the invention employs optical elements with specific microstructures that manipulate light through scattering, refraction, reflection, and interference to produce structural colors.
2Ease of manufacture
If pigments or dyes are used to impart color to articles, then coloration is achieved, but aesthetic appeal is reduced due to lack of dynamic color shifts
Solution Approach 1:
The patent introduces dynamic color properties through optical elements whose structural color output changes based on viewing angle, illumination conditions, and observer position. This dynamic behavior contrasts with static pigment-based colors and provides the desired aesthetic versatility and adaptability.
Solution Approach 2:
The patent utilizes changes in optical parameters (viewing angle, illumination wavelength, observer position) to produce varying color outputs from the same optical element. This parameter-dependent color variation enables dynamic color shifts without requiring multiple pigments or dyes.
3Adaptability or versatility
If optical elements are used to create structural colors, then aesthetic appeal and dynamic color shifts are improved, but device complexity increases
Solution Approach 1:
The patent divides the optical element into multiple layers with different refractive indices and thicknesses. This segmentation into discrete optical layers (typically 2-10 layers) allows control over the structural color properties while maintaining manufacturability through established thin-film deposition techniques.
Solution Approach 2:
The patent controls the optical properties by adjusting parameters such as layer thickness, refractive index, and number of layers. These parameter variations enable tuning of the structural color characteristics without fundamentally changing the basic multilayer structure, thus managing complexity while achieving desired aesthetic 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
This approach allows for the creation of articles that exhibit vibrant, iridescent colors that shift with viewing angle, providing a sustainable and visually striking alternative to traditional coloration methods.
Implementation Method 1
optical elements that create structural colors through scattering, refraction, reflection, and interference
Implementation Method 2
optical elements that create structural colors through scattering, refraction, reflection, and interference
Implementation Method 3
optical elements that create structural colors through scattering, refraction, reflection, and interference
Implementation Method 4
optical elements that create structural colors through scattering, refraction, reflection, and interference
Data Source
AI summary
Components of articles that include an optical element that imparts structural color to the component are provided. Methods of making the components including the optical element, and methods of using the components such as to make an article of manufacture are provided.