公开(公告)号：US10216230B2

公开(公告)日：2019-02-26

申请号：US15625407

申请日：2017-06-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Myung Hwan Kim ,  Ik Hyung Park ,  Seong Jin Hwang ,  Sung Chul Kim ,  Jang Doo Lee ,  Jong Hyuk Lee

IPC: H01L21/76 ,  G06F1/16 ,  H01L23/498 ,  H01L27/32 ,  H01L51/00 ,  H05K5/00

Abstract: A window substrate includes a glass substrate including first and second surfaces opposite to each other, the glass substrate having a thickness of about 25 μm to about 100 μm, and a coating layer disposed on the first surface. The glass substrate includes SiO2, Al2O3 and Na2O, and the mole ratio of Al2O3/Na2O is equal to or smaller than 1.