公开(公告)号：US11866365B2

公开(公告)日：2024-01-09

申请号：US17144197

申请日：2021-01-08

Applicant: AGC Inc.

Inventor： Kazutaka Otsuka ,  Kyushiro Igarashi ,  Takeshi Shimizu ,  Minoru Tamada

IPC: B32B15/04 ,  B32B17/06 ,  C03C3/087 ,  G02B1/18 ,  B60K35/00 ,  C03B5/183 ,  C03B5/187 ,  C03B5/23 ,  B60K37/02 ,  C03C3/095 ,  C03C3/083 ,  C03C17/34 ,  C03C17/00 ,  C03C21/00

CPC classification number: C03C3/087 ,  B60K35/00 ,  B60K37/02 ,  C03B5/183 ,  C03B5/187 ,  C03B5/23 ,  C03C3/083 ,  C03C3/095 ,  C03C17/3405 ,  G02B1/18 ,  B60K2370/27 ,  B60K2370/693 ,  B60K2370/98 ,  C03C17/00 ,  C03C21/002 ,  C03C2204/08

Abstract: The present invention relates to a cover glass for a display, which is a glass plate having a first main surface and a second main surface. The cover glass contains, as represented by mol percentage based on oxides, from 50 to 75% of SiO2, from 5 to 20% of Al2O3, from 2 to 20% of Na2O, from 0 to 6% of K2O, from 0 to 15% of MgO, from 0 to 10% of a total amount (CaO+SrO+BaO) of CaO, SrO and BaO, from 0 to 5% of a total amount (ZrO2+TiO2) of ZrO2 and TiO2, from 0 to 10% of B2O3, and from 0 to 20% of Li2O. The cover glass has a ream minimum distance of 100 mm or more and 1,000 mm or less, and a ream period of 1 mm or more and 30 mm or less.