Nanosized Light Emitting Material Composition Homogeneity
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Solution Overview
Problem
Current compositions with nanosized light emitting materials face challenges in achieving homogeneous light luminescent layers, preventing material migration during printing and drying, ensuring smooth printing, improving dispersibility, and simplifying fabrication processes.
Innovation Solution
A composition comprising a 1st organic solvent with a boiling point of 150° C or more, a transparent polymer matrix material, and nanosized light emitting materials, which are mixed and then applied to a substrate with the solvent being removed, resulting in improved printing and luminescent patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional compositions with nanosized light emitting materials are used, then material can be deposited on substrate, but homogeneous light luminescent layer cannot be achieved and material migrates to edge during printing and drying
Solution Approach 1:
The patent introduces a matrix material as an intermediary substance that embeds and immobilizes the nanosized light emitting materials. This matrix material acts as a carrier medium that prevents particle migration during printing and drying processes while enabling homogeneous distribution of luminescent materials throughout the deposited layer, directly resolving the contradiction between layer homogeneity and composition stability.
Solution Approach 2:
The patent creates a composite material system combining matrix material with nanosized light emitting materials. This composite structure integrates the stabilizing properties of the matrix with the luminescent properties of the nanoparticles, achieving both homogeneous light emission and prevention of material migration simultaneously.
2Ease of manufacture
If nanosized light emitting materials are printed directly, then pattern can be formed, but printing process is rough and dispersibility is poor
Solution Approach 1:
The matrix material serves as an intermediary medium that improves the printability of nanosized light emitting materials. By dispersing nanoparticles within the matrix material before printing, the composition achieves smooth flow characteristics and excellent dispersibility during the printing process, eliminating the rough printing issues associated with direct nanoparticle deposition.
3Manufacturing precision
If complex fabrication processes are used to achieve homogeneous layers, then manufacturing precision improves, but process complexity increases
Solution Approach 1:
The patent applies preliminary action by pre-dispersing the nanosized light emitting materials within the matrix material before the printing process. This pre-mixing step ensures homogeneous distribution is achieved during printing itself, eliminating the need for subsequent complex post-processing steps such as multiple coating layers, annealing treatments, or precision control measures that would otherwise be required to achieve uniform particle distribution.
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 provides a homogeneous light luminescent layer, prevents material migration, enables smooth printing, enhances dispersibility, and simplifies the fabrication process, resulting in stable and efficient light emitting media.
Implementation Method 1
removing the 1st organic solvent from the composition
Data Source
AI summary
The present invention relates to a composition comprising a nanosized light emitting material, and method for preparing of said composition. The present invention further relates to a light luminescent medium, a light emitting device, the present invention further more relates to method for preparing of a composition and to method for preparing of a light emitting medium.