Invention Grant
- Patent Title: Transparent article having a roughened uneven surface
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Application No.: US16500811Application Date: 2018-04-06
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Publication No.: US11852785B2Publication Date: 2023-12-26
- Inventor: Toshiyuki Kajioka , Koji Ikegami
- Applicant: NIPPON ELECTRIC GLASS CO., LTD.
- Applicant Address: JP Otsu
- Assignee: Nippon Electric Glass Co., Ltd.
- Current Assignee: Nippon Electric Glass Co., Ltd.
- Current Assignee Address: JP Shiga
- Agency: Cesari and McKenna, LLP
- Priority: JP 17078326 2017.04.11 JP 17214300 2017.11.07
- International Application: PCT/JP2018/014780 2018.04.06
- International Announcement: WO2018/190274A 2018.10.18
- Date entered country: 2019-10-03
- Main IPC: G02B5/02
- IPC: G02B5/02 ; G02B1/113

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.
Public/Granted literature
- US20220404527A1 TRANSPARENT ARTICLE Public/Granted day:2022-12-22
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