ANTI-SPARKLE SUBSTRATES, DISPLAY DEVICES, AND METHODS OF MAKING THE SAME
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United States of America
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Issued Date -
Dec 26, 2024
app pub date -
Jun 10, 2024
filing date -
Jun 10, 2024
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Abstract
Anti-sparkle substrates include a plurality of features extending from a first major surface of the anti-sparkle substrate. In aspects, a feature of the plurality of features includes a feature concentration of one or more of silver, rubidium, or cesium that is non-zero at the first major surface and is greater than a corresponding concentration of a region of the first major surface excluding the plurality of features. In aspects, a feature of the plurality of features includes a gradient refractive index profile. A feature refractive index of the feature at the first major surface is greater than a substrate refractive index by about 0.03 or more. Methods include exposing a plurality of portions of a first major surface of a substrate to a source of one or more of silver ions, rubidium ions, or cesium ions to form a plurality of features in that include the plurality of portions.
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