Composite Nanoparticle Coating for Low-Haze Display Protection
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Solution Overview
Problem
Existing display technologies face challenges due to issues such as agglomeration of nanoparticles, high haze, and inadequate hydrophobicity and oleophobicity in protective coatings, which affect the display's performance and durability.
Innovation Solution
A composite nanoparticle composition is developed, comprising nanoparticles modified with a first coupling agent containing a carbon-carbon double bond and a second coupling agent with a —CF3 group, which are integrated into a polymer network through polymerization, enhancing compatibility and hydrophobicity/oleophobicity, and forming a concave-convex structure for improved protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If nanoparticles are used in protective coatings, then abrasion resistance is improved, but nanoparticle agglomeration occurs leading to high haze and reduced light transmission
Solution Approach 1:
The patent introduces organic modifiers as intermediary substances that bridge nanoparticles and polymer matrices. These modifiers include silane coupling agents and perfluorinated compounds that chemically bond to nanoparticle surfaces while providing compatible interactions with the polymer matrix, preventing nanoparticle agglomeration and maintaining light transmission while preserving abrasion resistance
Solution Approach 2:
The patent creates composite nanoparticle structures by combining inorganic nanoparticles with organic modifier layers. This composite approach allows the nanoparticles to maintain their protective properties while the organic modifiers prevent agglomeration and ensure compatibility with the polymer matrix, thereby maintaining optical clarity and abrasion resistance simultaneously
2Ease of manufacture
If conventional polymer coatings are used, then manufacturing simplicity is maintained, but hydrophobicity and oleophobicity are insufficient
Solution Approach 1:
The patent modifies the chemical parameters of the coating by incorporating perfluorinated compounds and fluorinated silane coupling agents. These chemical modifications create strong hydrophobic and oleophobic properties through fluorine's low surface energy, while the coating remains applicable using conventional dip-coating or spray-coating methods, thus maintaining ease of manufacture while significantly improving water and oil resistance
Solution Approach 2:
The patent uses fluorinated silane coupling agents as intermediaries that bond to both the polymer matrix and provide hydrophobic/oleophobic surfaces. These intermediary compounds enable the coating to achieve enhanced water and oil resistance without complicating the manufacturing process, as they integrate seamlessly into conventional coating formulations and application methods
3Reliability
If nanoparticles are added to polymer matrix, then protective properties are improved, but nanoparticle compatibility with polymer matrix deteriorates
Solution Approach 1:
The patent introduces organic modifiers as intermediary substances that chemically bridge nanoparticles and polymer matrices. These modifiers include silane coupling agents that bond to nanoparticle surfaces and perfluorinated compounds that provide compatible interactions with the polymer matrix, ensuring stable dispersion and compatibility while maintaining enhanced protective properties
Solution Approach 2:
The patent creates composite nanoparticle structures by combining inorganic nanoparticles with organic modifier layers. This composite approach ensures that nanoparticles remain compatible with the polymer matrix through the organic interface layers, preventing agglomeration and ensuring stable composition while maintaining or enhancing protective properties
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 results in a coating with low haze, high light transmission, and enhanced hydrophobicity/oleophobicity, improving the display's brightness, abrasion resistance, and overall display quality.
Implementation Method 1
The first coupling agent comprises a carbon-carbon double bond and the second coupling agent comprises a —CF3 group... integrated into a polymer network through polymerization
Implementation Method 2
enhancing compatibility and hydrophobicity/oleophobicity
Implementation Method 3
enhancing compatibility and hydrophobicity/oleophobicity
Data Source
AI summary
A composite nanoparticle composition, a composite nanoparticle and a preparation method thereof, a photo-curing composition, a coating, and a display device are provided herein. The composite nanoparticle composition includes nanoparticles and a composite modifier. The composite modifier includes a first coupling agent and a second coupling agent, the first coupling agent has a carbon-carbon double bond and the second coupling agent has a —CF3 group.