Alkali Silicate Antiglare Coating for Glass Strength
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Solution Overview
Problem
Current antiglare treatments for high strength glasses, such as Gorilla glass, are either expensive due to the use of polymer films or lack flexibility with different glass compositions, making them unsuitable for various applications.
Innovation Solution
An antiglare treatment using an alkali silicate glass material applied to the glass surface, which is inexpensive and durable, providing the desired antiglare properties while strengthening the glass beyond chemical strengthening capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If polymer films are used for antiglare treatment, then antiglare properties are achieved, but cost increases
Solution Approach 1:
The patent replaces expensive polymer films with a cost-effective inorganic coating composed of alkali silicate glass and colloidal silica. This inorganic coating provides durable antiglare properties without the high material costs associated with polymer films, directly addressing the cost issue while maintaining glare reduction functionality
Solution Approach 2:
The patent changes the material parameters from organic polymer to inorganic glass composition, specifically using alkali silicate glass with controlled particle size distribution (0.1-10 micrometers). This parameter change enables both cost reduction and improved durability while achieving the required antiglare effect through controlled light scattering
2Object-affected harmful factors
If chemical etching is used for antiglare treatment, then antiglare properties are achieved, but flexibility with different glass compositions is reduced
Solution Approach 1:
The patent creates a universal antiglare coating system that can be applied to various glass types including Gorilla glass, soda lime glass, and aluminosilicate glass. The inorganic coating composition (alkali silicate glass and colloidal silica) is chemically compatible with multiple glass substrates, providing a single solution that works across different glass compositions without requiring formulation changes
Solution Approach 2:
The patent uses an intermediary inorganic coating layer that acts as a bridge between the glass substrate and the external environment. This intermediate layer provides antiglare properties while being chemically compatible with different glass types, avoiding the selectivity issues of direct chemical etching methods
3Object-affected harmful factors
If conventional antiglare treatments are used, then glare is reduced, but mechanical strength and durability are compromised
Solution Approach 1:
The patent employs a composite inorganic coating system combining alkali silicate glass particles (1-10 micrometers) with colloidal silica. This composite structure provides both antiglare properties through light scattering and enhanced mechanical strength, creating a synergistic effect where the coating strengthens the glass surface while providing the required optical properties
Solution Approach 2:
The patent utilizes a porous inorganic coating structure formed by the controlled arrangement of glass particles and colloidal silica. This porous structure provides light scattering for antiglare effects while the interconnected network of particles creates a mechanically robust layer that enhances surface strength and impact resistance
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 alkali silicate antiglare treatment effectively reduces glare and enhances the mechanical strength of the glass, offering improved impact resistance and durability, suitable for diverse applications including electronic displays and military use.
Implementation Method 1
The antiglare material comprises at least one alkali silicate glass and provides the desired antiglare properties
Implementation Method 2
an antiglare material covering at least partially the glass material. The antiglare material comprises at least one alkali silicate glass
Data Source
AI summary
Provided in one embodiment is an article, comprising: a glass material; and an antiglare material covering at least partially the glass material; wherein the antiglare material comprises at least one alkali silicate.