The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2026
Filed:
Dec. 10, 2021
Corning Incorporated, Corning, NY (US);
Albert Joseph Fahey, Corning, NY (US);
Shandon Dee Hart, Elmira, NY (US);
Karl William Koch, III, Elmira, NY (US);
Carlo Anthony Kosik Williams, Painted Post, NY (US);
Lin Lin, Painted Post, NY (US);
Alexandre Michel Mayolet, Corning, NY (US);
Xu Ouyang, Painted Post, NY (US);
Charles Andrew Paulson, Painted Post, NY (US);
James Joseph Price, Corning, NY (US);
CORNING INCORPORATED, Corning, NY (US);
Abstract
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.