Antiglare coating and articles
First Claim
1. A touch screen comprising an antiglare layer, an active layer underlying the antiglare layer, and a glass substrate underlying the active layer wherein the antiglare layer comprises aggregate inorganic oxide particles in a cured inorganic polymer matrix and the aggregate inorganic oxide particles form surface structures ranging in size from greater than 2 micrometers to about 100 micrometers.
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Abstract
The present invention relates to articles comprising an antiglare layer, coating compositions suitable for making antiglare layers, methods of making an antiglare article, and methods of making antiglare coating compositions. In some embodiments the article is a (e.g. illuminated) display article such as a touch screen. The antiglare layer comprises aggregate inorganic oxide particles in a cured inorganic polymer matrix.
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Citations
36 Claims
- 1. A touch screen comprising an antiglare layer, an active layer underlying the antiglare layer, and a glass substrate underlying the active layer wherein the antiglare layer comprises aggregate inorganic oxide particles in a cured inorganic polymer matrix and the aggregate inorganic oxide particles form surface structures ranging in size from greater than 2 micrometers to about 100 micrometers.
- 22. An article comprising an antiglare layer wherein the antiglare layer comprises aggregate inorganic oxide particles in a cured inorganic polymer matrix, wherein the aggregate inorganic oxide particles form surface structures ranging in size from greater than 2 micrometers to about 100 micrometers.
- 25. A coating composition comprising a organosilane and flocculated inorganic oxide particles ranging in size from greater than 2 micrometers to about 100 micrometers.
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29. A method of making an antiglare coating composition comprising providing an inorganic polymer precursor and colloidal inorganic oxide particles having a mean particle size ranging from 0.05 micrometers to 0.15 micrometers;
- and forming an inorganic polymer solution concurrently with flocculating colloidal inorganic oxide aggregates ranging in size from greater than 2 micrometers to 100 micrometer.
- View Dependent Claims (30, 31, 32)
- 33. An article comprising an antiglare layer wherein the article has a transmitted haze of less than 30, transmission of at least 80%, clarity of at least 70, and a scratch resistance as determined by the Nanoscratch Test of at least 10 mN.
Specification