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:
Dec. 26, 2023
Filed:
Apr. 06, 2018
Applicant:
Nippon Electric Glass Co., Ltd., Otsu, JP;
Inventors:
Toshiyuki Kajioka, Otsu, JP;
Koji Ikegami, Otsu, JP;
Assignee:
Nippon Electric Glass Co., Ltd., Shiga, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/02 (2006.01); G02B 1/113 (2015.01);
U.S. Cl.
CPC ...
G02B 1/113 (2013.01); G02B 5/021 (2013.01); G02B 2207/101 (2013.01);
Abstract
A transparent article in which sparkling on an anti-glare surface or other roughened relief surface is suppressed. The transparent article is provided with a transparent substrate, and a roughened relief surface provided to at least one surface of the transparent substrate. The relief surface has a surface roughness Sq of 50 nm or less measured in a spatial period of 20 μm or greater in the transverse direction.