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.

Date of Patent:
Feb. 21, 2017

Filed:

May. 08, 2012
Applicants:

Jacques Gollier, Painted Post, NY (US);

Shandon Dee Hart, Corning, NY (US);

Alan Thomas Stephens, Ii, Beaver Dams, NY (US);

James Andrew West, Painted Post, NY (US);

Inventors:

Jacques Gollier, Painted Post, NY (US);

Shandon Dee Hart, Corning, NY (US);

Alan Thomas Stephens, II, Beaver Dams, NY (US);

James Andrew West, Painted Post, NY (US);

Assignee:

Corning Incorporated, Corning, NY (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 1/10 (2015.01); C03C 15/00 (2006.01); G02B 1/118 (2015.01); C03C 21/00 (2006.01);
U.S. Cl.
CPC ...
C03C 15/00 (2013.01); C03C 21/002 (2013.01); G02B 1/118 (2013.01); C03C 2204/08 (2013.01);
Abstract

A transparent glass substrate having an antiglare surface that minimizes sparkle. The antiglare surface has a roughened portion that surface that has a RMS amplitude of at least amplitude of at least about 80 nm. The antiglare surface may also include a portion that is unroughened, or flat. The fraction of the antiglare surface that is roughened is at least about 0.9, and the fraction of the surface that is unroughened is less than about 0.10. The antiglare surface has a pixel power deviation of less than about 7%.


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