公开(公告)号：US20230012580A1

公开(公告)日：2023-01-19

申请号：US17861089

申请日：2022-07-08

Applicant: Samsung Display Co., Ltd. ,  DOWOOINSYS Co., Ltd.

Inventor： HYO-SEOP KIM ,  TAE-SIK KIM ,  CHANWOOK PARK ,  HANGGYUN PARK ,  SUNGEUN BOO ,  YOUNGNAM SONG ,  JANG DOO LEE ,  HYUNGSUP LEE ,  KYOUNGYONG CHA

IPC: C03C21/00

Abstract: A glass plate strengthening device includes: a work furnace including a preheating furnace, and a strengthening furnace below the preheating furnace; a transport module configured to transport a glass plate between the preheating furnace and the strengthening furnace in the work furnace; a separator between the preheating furnace and the strengthening furnace, configured to enter and exit the work furnace, and configured to separate or integrate the preheating furnace and the strengthening furnace during entering and exiting; a door module including a door part on a side wall of the work furnace, and configured to provide an entrance space through the door part during the entering and exiting of the separator; and a shield coupled to an outer wall of the work furnace to be adjacent to the door module, and configured to block the entrance space from an external space.