公开(公告)号：US20250154046A1

公开(公告)日：2025-05-15

申请号：US18833674

申请日：2022-06-29

Applicant: DOWOOINSYS CO.,LTD.

Inventor： Seung Jun YI ,  Hyung Sup LEE ,  Soung Woong CHOI

IPC: C03B33/07 ,  C03B33/10 ,  C03C15/02 ,  C03C17/00

Abstract: Thin glass in cell unit (4) manufactured by glass cutting and post-processing methods according to the present invention is the thin glass in cell unit (4) installed on the front surface of an electronic device or a display unit of an electronic device, wherein a bevel-shaped cut portion (41) is formed at an end of one side of the thin glass in cell unit (4) in contact with the front surface of the display unit. In addition, the bevel-shaped cut portion (41) has a height (H) of 5% or more and 50% or less of a thickness of the thin glass in cell unit (4). In addition, the bevel-shaped cut portion (41) has a width (W) of 10% or more and 300% or less of the thickness of the thin glass in cell unit (4), and the thin glass in cell unit (4) is bent toward the front of the display unit.

公开(公告)号：US20240351142A1

公开(公告)日：2024-10-24

申请号：US18683997

申请日：2022-01-13

Applicant: DOWOOINSYS CO.,LTD.

Inventor： Seung Jun YI ,  Hyung Sup LEE ,  Sun Hong CHOI ,  Soung Woong CHOI

IPC: B23K26/362 ,  B23K26/60 ,  B23K26/70 ,  B23K103/00

CPC classification number: B23K26/362 ,  B23K26/60 ,  B23K26/70 ,  B23K2103/54

Abstract: A method for laser-cutting and post-treating a UTG having a partial coating film formed thereon according to the present invention includes a step (S1) of coating an entire front surface of a thin-film mother glass (1) with a coating solution for preventing chemical contact, and then drying the resulting product to form a coating film, a step (S2) of forming, on a rear surface of the thin-film mother glass (1), a partial coating film (2) which is the same shape as the shape of a cell-unit thin-film glass (3) to be cut from the thin-film mother glass (1), and a step (S3) of irradiating the rear surface of the thin-film mother glass (1) with a laser beam to cut the coating film, formed on a front surface of the thin-film mother glass (1), and the thin-film mother glass (1), wherein the laser beam is applied along a cut guiding line (6) formed a predetermined distance away from an outer edge line of the partial coating film (2) and in the shape of the cell-unit thin-film glass (3), to cut and then separate the cell-unit thin-film glass (3) from the thin-film mother glass (1).