COVER GLASS ARTICLES FOR CAMERA LENS AND SENSOR PROTECTION AND APPARATUS WITH THE SAME

A cover glass article is described herein that includes: a substrate comprising an outer primary surface with an outer optical film structure disposed thereon and an inner primary surface with an inner optical film structure disposed thereon. The outer film structure comprises a first plurality of a...

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Bibliographische Detailangaben
Hauptverfasser: FAHEY, Albert Joseph, MAYOLET, Alexandre Michel, HART, Shandon Dee, LIN, Lin, OUYANG, Xu, KOSIK WILLIAMS, Carlo Anthony, PRICE, James Joseph, KOCH III, Karl William, PAULSON, Charles Andrew
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A cover glass article is described herein that includes: a substrate comprising an outer primary surface with an outer optical film structure disposed thereon and an inner primary surface with an inner optical film structure disposed thereon. The outer film structure comprises a first plurality of alternating high index and low index layers with an outermost low index layer. The inner film structure comprises a second plurality of alternating high index and low index layers with a low or high index layer disposed on the inner primary surface, and an innermost low or high index layer. Each high index layer of the first and the second plurality comprises a nitride or an oxynitride, and an oxide or a nitride, respectively. Further, the cover glass article exhibits an average photopic transmittance of greater than 95% and a maximum hardness of greater than 10 GPa.