公开(公告)号：US11465936B2

公开(公告)日：2022-10-11

申请号：US16945606

申请日：2020-07-31

Applicant: Samsung Display Co., LTD.

Inventor： Byung Hoon Kang ,  Seung Kim ,  Young Ok Park ,  Su Jin Sung ,  Gyu In Shim

IPC: B32B15/04 ,  B32B17/06 ,  C03C21/00 ,  C03C3/083

Abstract: A glass article includes lithium alumino-silicate (“LAS”), a first surface, a second surface opposed to the first surface, a first compressive region extended from the first surface to a first compression depth, a second compressive region extended from the second surface to a second compression depth, and a tensile region disposed between the first compression depth and the second compression depth, wherein a stress profile in the first compressive region comprises a first segment provided between the first surface and a first transition point and a second segment provided between the first transition point and the first compression depth, and wherein a ratio of a stress at the first transition point to a stress at the first surface ranges from 0.22 to 0.47.