Multi-wavelength composite light-storing powder for warm color emission
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional light-storing fibers face challenges with high production costs, monotonous emitted light color, insufficient heat resistance, and lack of wash endurance, limiting their mass production and application scope.
Innovation Solution
A multi-wavelength composite light-storing powder is developed, composed of rare earth elements and an organic compound with a double-imide-bond steric structure, fused at extremely low temperatures, which shifts the light emission from green to warm colors, and is incorporated into a thermoplastic polymer to enhance heat resistance and wash endurance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If high content of light-storing powder (30% by weight) is used in conventional light-storing fiber, then luminance is improved, but production cost increases and mass production becomes difficult
Solution Approach 1:
The invention changes the chemical composition parameters of the light-storing powder by incorporating organic compounds with specific molecular structures (carbonyl groups, imide bonds, sterically hindered structures) into the inorganic phosphor matrix. This compositional parameter change enables the system to achieve high luminance at lower powder concentrations (1-20 wt%), resolving the contradiction between luminance and mass production capability
Solution Approach 2:
The invention creates a composite light-storing powder system combining inorganic phosphors (aluminate, silicate, or spinel matrices with rare earth elements) and organic compounds containing carbonyl groups. This composite structure synergistically enhances luminance while reducing the required powder content, enabling both high performance and mass production
2Illumination intensity
If high content of light-storing powder is used, then luminance is improved, but emitted light color becomes monotonous
Solution Approach 1:
The invention utilizes parameter changes in the organic compound selection to control emission color. By selecting organic compounds with different molecular structures (varying carbonyl group positions, imide bond configurations, and steric hindrance patterns), the emission wavelength can be tuned across visible spectrum, achieving both high luminance and color diversity simultaneously
Solution Approach 2:
The invention applies local quality by incorporating organic compounds with specific molecular structures at specific locations within the phosphor matrix. The local molecular environment and structure determine the emission characteristics, allowing different regions or formulations to emit different colors while maintaining high luminance
3Illumination intensity
If conventional light-storing material is used, then green light emission is achieved, but heat resistance for spinning and yarning processes is insufficient
Solution Approach 1:
The invention creates a composite material system where inorganic phosphors provide heat resistance and structural stability at high processing temperatures, while organic compounds provide tunable luminescence properties. This composite structure enables the material to withstand spinning and yarning process temperatures while maintaining emission characteristics
Solution Approach 2:
The invention changes the thermal stability parameters by selecting inorganic phosphor matrices (aluminate, silicate, spinel) with high melting points and thermal stability. These matrices can withstand the high temperatures of fiber spinning and yarning processes without degrading, while the embedded organic compounds maintain their luminescence function
4Illumination intensity
If conventional light-storing fiber is used, then basic light emission is achieved, but wash endurance is insufficient
Solution Approach 1:
The composite structure of inorganic phosphor matrix and organic compounds provides enhanced wash endurance. The inorganic matrix protects the organic luminescent species from water and chemical degradation, while the organic compounds provide stable emission. This composite architecture ensures both light emission performance and wash durability
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 enables the production of light-storing fibers with varied warm color emissions, improved heat resistance, and extended wash endurance, reducing the Denier number and material usage while maintaining luminance, suitable for diverse industrial applications.
Implementation Method 1
The light-storing material is able to emit specific lights after absorbing ultra-violet light or other radiations, and that is referred to as the fluorescence light or afterglow
Implementation Method 2
The light-storing material is able to emit specific lights after absorbing ultra-violet light or other radiations, and that is referred to as the fluorescence light or afterglow
Implementation Method 3
The organic compound having double-imide-bond steric structure on the surface of multi-wavelength composite light-storing powder could produce bond-twisting, that could lead to energy changes, to emit warm color series light wavelengths
Data Source
AI summary
A multi-wavelength composite light-storing powder and method of manufacturing and applying the same. It utilizes organic compound having double-imide-bond steric structure, to produce high speed collisions with light-storing material containing rare earth elements in an environment of extremely low temperature, to make collision surface produce instantaneous high temperature, so that the organic compound is sputtered onto a surface of the light-storing material. The surface is cooled instantly due to extremely low temperature to produce the composite light-storing powder. The composite light-storing powder is apt to engage cross linked structure of thermoplastic polymer in a high temperature blending process. Then, through a filament process, to produce successfully light-storing fiber capable of emitting multi-wavelengths with high heat resistance and wash endurance.