Fluorine-Resin Packing for Organic Semiconductor Storage
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Solution Overview
Problem
The functional organic compounds used in organic semiconductor devices, such as those for organic electroluminescent devices, are prone to deterioration due to volatilization of solvents and contamination by impurities during storage, leading to reduced storage stability and performance.
Innovation Solution
A storage method using a container with an inner wall made of non-reactive materials and a packing surface containing fluorine atoms, which prevents chemical interaction and maintains the stability of the organic compounds, including the use of glass for the container body and specific resins like polytetrafluoroethylene for the packing, ensuring the liquid composition remains stable and functional.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the liquid composition is stored in a conventional container with standard materials, then the container provides basic storage function and ease of manufacture, but the organic compound deteriorates due to chemical interaction and contamination
Solution Approach 1:
The container body is made of glass and the packing surface is made of fluorine-containing resin (such as polytetrafluoroethylene) which are chemically inert materials. These materials create an inert environment that prevents chemical interaction between the container and the organic compound, thereby maintaining storage stability and preventing deterioration during storage.
Solution Approach 2:
The storage container uses composite material structure: glass for the container body and fluorine-containing resin for the packing surface. This combination of materials provides both chemical inertness to prevent interaction with the organic compound and practical storage functionality, resolving the contradiction between basic storage function and prevention of harmful chemical interactions.
2Ease of operation
If the organic compound is made liquid by adding organic solvent, then the compound becomes easier to apply and process, but the function deteriorates earlier due to volatilization and impurity influence
Solution Approach 1:
The glass container body and fluorine-containing resin packing create a chemically inert environment that minimizes interaction with the organic solvent and compound. This prevents contamination and volatilization during storage, maintaining the stability of the liquid composition while preserving its applicability properties.
Solution Approach 2:
The invention enables the liquid composition to be stored for extended periods without significant deterioration. By preventing early function deterioration through inert storage conditions, the effective operational lifetime of the liquid composition is extended, reducing the frequency of replacement.
Data Source
AI summary
Problem to be solved by the present invention is to prevent volatilization of an organic solvent while a liquid composition for an organic semiconductor device is stored by placing in a container, and to prevent deterioration in function of an organic compound for forming an organic semiconductor device. Means for solving the problem is a method of storing a liquid composition for an organic semiconductor device comprising the step of storing the liquid composition for an organic semiconductor device containing an organic compound for forming an organic semiconductor device, and an organic solvent, in a container having a container body, a packing covering an opening part of the container body, and a lid, wherein the container body has an inner wall formed of a material which does not chemically act on the organic solvent nor on the organic compound, and a surface of the packing, which covers the opening part and which comes into contact with the opening-periphery part when the packing and the lid are mounted to the container body to form a sealed state, is formed of a material containing a resin having fluorine atom.