公开(公告)号：US20210135146A1

公开(公告)日：2021-05-06

申请号：US17068996

申请日：2020-10-13

Applicant: Samsung Display Co., Ltd.

Inventor： Hyo-Seop KIM ,  Myung-Hwan KIM ,  Seung Yo YANG

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/00 ,  H01L51/56

Abstract: A window glass includes a first surface and a second surface opposite to the first surface. A second area extending in a second direction, a third area spaced apart from the second area in a first direction perpendicular to the second direction and extending in the second direction, a first area disposed between the second area and the third area, a first buffer area disposed between the first area and the second area, and a second buffer area disposed between the first area and the third area are defined on the second surface. The first area has a first thickness, and each of the second and third areas has a second thickness greater than the first thickness. A plurality of groove patterns is defined in the first buffer area and the second buffer area.

公开(公告)号：US20220267194A1

公开(公告)日：2022-08-25

申请号：US17522461

申请日：2021-11-09

Applicant: Samsung Display Co., LTD.

Inventor： Jae Hoon JEONG ,  Jin Seock KIM ,  Seung Yo YANG ,  Byung-Seo YOON ,  Jung Kyu JO ,  Kyu Young KIM ,  Han Sun RYOU ,  Jin Nyoung HEO

IPC: C03C15/00

Abstract: An etching device includes a chamber; a supporter disposed in the chamber; a heater disposed in the supporter; and an applier disposed on the supporter. A glass is disposed on the supporter, the applier applies an etchant on the glass such that a thickness of the etchant applied reduces from a center of the glass toward an edge of the glass.