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公开(公告)号：US20250042799A1
公开(公告)日：2025-02-06
申请号：US18927434
申请日：2024-10-25
Applicant: SAMSUNG DISPLAY CO., LTD. , DOWOOINSYS CO., LTD.
Inventor： HYUNGSIK KIM , CHEOLLAE ROH , JANG DOO LEE , BEOMSOO KIM , HANGGYUN PARK , JOONGSUNG LEE , WOOHYUN JUNG , SEUNGJUN YI , HYUNGSUP LEE , SUNHONG CHOI
IPC: C03B33/023 , B23K26/06 , B23K26/38 , B23K26/402 , B23K103/00 , C03B33/02 , C03C15/00
Abstract: A method of manufacturing a window and a window manufactured by the same are provided. A method of manufacturing a window includes laser cutting a base glass into a preliminary window using first laser light, irradiating, with second laser light, a point spaced apart from an edge of the preliminary window at a first distance, and providing a window including a flat portion and an edge portion by wet etching the preliminary window irradiated with the second laser light. A method of manufacturing a window having a chamfer shape at the edge portion is facilitated.
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公开(公告)号：US20240133728A1
公开(公告)日：2024-04-25
申请号：US18039412
申请日：2022-01-20
Applicant: DOWOOINSYS CO., LTD.
Inventor： Hyung Sup LEE , Yun Hoe KIM , Hyun Min KIM , Hyun Yeol YOON
Abstract: A potassium nitrate level detection sensing module M in a strengthening furnace according to the present invention includes a level detection means, which is installed inside a glass strengthening furnace, installed at a height equal to a level line of strengthening liquid to be filled in the strengthening furnace F, and generates an electrical signal having a set threshold or more or an electrical signal having the set threshold or less when it comes into contact with the strengthening liquid and detects that the strengthening liquid filled in the glass strengthening furnace F has reached a set strengthening liquid level line. The potassium nitrate level detection sensing module in the strengthening furnace according to the present invention having such a configuration can automatically identify that potassium nitrate in a liquid state, which is melted in the strengthening furnace, has reached the set level line in the strengthening furnace.
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公开(公告)号：US20210147286A1
公开(公告)日：2021-05-20
申请号：US17096050
申请日：2020-11-12
Applicant: Samsung Display Co., Ltd. , DOWOOINSYS Co.,Ltd.
Inventor： Bon Ki Goo , MYUNG-HWAN KIM , SUNGCHUL KIM , JEONG-IL YOO , Jangdoo LEE
Abstract: A foldable glass substrate includes a top surface, a bottom surface, and a side surface. The side surface includes a first side surface extending at a first angle from the top surface, a second side surface extending at a second angle from the bottom surface, and a third side surface extending from each of the first side surface and the second side surface. A length of the third side surface in a direction substantially perpendicular to at least one of the top surface and the bottom surface is equal to or greater than about 0.3 times and equal to or less than about 0.7 times of a minimum distance between the top surface and the bottom surface. The minimum distance is equal to or greater than about 15 micrometers (μm) and equal to or less than about 100 μm.
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4.发明公开公开(公告)号：US20240317629A1
公开(公告)日：2024-09-26
申请号：US18575253
申请日：2021-11-01
Applicant: DOWOOINSYS CO., LTD.
Inventor： Seung Jun YI , Hyung Sup LEE , Sun Hong CHOI , Bon Ki KOO
CPC classification number: C03B33/074 , B28D1/221 , C03B33/091 , C03C23/0095
Abstract: A method for ablating a coating film, cutting glass, and performing post-treatment by using a laser according to the present invention includes coating one side or both sides of thin mother glass with a coating solution for preventing chemical contact in order to proceed with selective chemical treatment, drying the coating solution to form a coating film on one side or both sides of the thin mother glass, obtaining thin-film glasses in cell units applied to electrical and electronic products from the thin mother glass, healing a laser-cut surface of the cut thin-film glasses in cell units through selective chemical treatment of the cut thin-film glasses in cell units, cleaning the thin-film glasses in cell units, and then ablating all of a coating film formed on a surface of the thin-film glasses in cell units, and cleaning the thin-film glasses in cell units from which all of the coating film has been ablated and then chemically healing the surface of the thin-film glasses in cell units in order to eliminate defects or flaws on the surface of the thin-film glasses in cell units from which all of the coating film has been ablated.
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公开(公告)号：US20240230391A9
公开(公告)日：2024-07-11
申请号：US18039412
申请日：2022-01-20
Applicant: DOWOOINSYS CO., LTD.
Inventor： Hyung Sup LEE , Yun Hoe KIM , Hyun Min KIM , Hyun Yeol YOON
Abstract: A potassium nitrate level detection sensing module M in a strengthening furnace according to the present invention includes a level detection means, which is installed inside a glass strengthening furnace, installed at a height equal to a level line of strengthening liquid to be filled in the strengthening furnace F, and generates an electrical signal having a set threshold or more or an electrical signal having the set threshold or less when it comes into contact with the strengthening liquid and detects that the strengthening liquid filled in the glass strengthening furnace F has reached a set strengthening liquid level line. The potassium nitrate level detection sensing module in the strengthening furnace according to the present invention having such a configuration can automatically identify that potassium nitrate in a liquid state, which is melted in the strengthening furnace, has reached the set level line in the strengthening furnace.
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Patent Agency Ranking
公开(公告)号：US11492289B2
公开(公告)日：2022-11-08
申请号：US17096050
申请日：2020-11-12
Applicant: Samsung Display Co., Ltd. , DOWOOINSYS Co., Ltd.
Inventor： Bon Ki Goo , Myung-Hwan Kim , Sungchul Kim , Jeong-Il Yoo , Jangdoo Lee
IPC: H01L51/00 , H01L51/52 , H01L27/14 , H01L27/32 , G02F1/133 , G06F1/16 , G09F9/30 , C03C15/00 , C03C21/00 , G02F1/1333 , H01L27/146
Abstract: A foldable glass substrate includes a top surface, a bottom surface, and a side surface. The side surface includes a first side surface extending at a first angle from the top surface, a second side surface extending at a second angle from the bottom surface, and a third side surface extending from each of the first side surface and the second side surface. A length of the third side surface in a direction substantially perpendicular to at least one of the top surface and the bottom surface is equal to or greater than about 0.3 times and equal to or less than about 0.7 times of a minimum distance between the top surface and the bottom surface. The minimum distance is equal to or greater than about 15 micrometers (μm) and equal to or less than about 100 μm.
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7.发明公开公开(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).
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公开(公告)号：US12122706B2
公开(公告)日：2024-10-22
申请号：US17976346
申请日：2022-10-28
Applicant: Samsung Display Co., Ltd. , DOWOOINSYS Co., Ltd.
Inventor： Bon Ki Goo , Myung-Hwan Kim , Sungchul Kim , Jeong-Il Yoo , Jangdoo Lee
IPC: H10K50/84 , C03C15/00 , C03C21/00 , H10K50/844 , G02F1/1333 , G06F1/16 , H01L27/146 , H10K50/842 , H10K59/122 , H10K59/40 , H10K102/00
CPC classification number: C03C15/00 , C03C21/002 , H10K50/844 , C03C21/005 , G02F1/133305 , G06F1/1652 , H01L27/14678 , H10K50/8426 , H10K59/122 , H10K59/40 , H10K2102/311
Abstract: A foldable glass substrate includes a top surface, a bottom surface, and a side surface. The side surface includes a first side surface extending at a first angle from the top surface, a second side surface extending at a second angle from the bottom surface, and a third side surface extending from each of the first side surface and the second side surface. A length of the third side surface in a direction substantially perpendicular to at least one of the top surface and the bottom surface is equal to or greater than about 0.3 times and equal to or less than about 0.7 times of a minimum distance between the top surface and the bottom surface. The minimum distance is equal to or greater than about 15 micrometers (μm) and equal to or less than about 100 μm.
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公开(公告)号：US12116307B2
公开(公告)日：2024-10-15
申请号：US17586589
申请日：2022-01-27
Applicant: Samsung Display Co., Ltd. , DOWOOINSYS CO., LTD.
Inventor： Hanggyun Park , Beomsoo Kim , Byungchan Kim , Jang Doo Lee , Seungjun Yi , Hyungsup Lee , Sunhong Choi
CPC classification number: C03C15/00 , C03B33/0222
Abstract: A jig and a method of manufacturing a window are provided. A jig includes a lower plate having a plurality of cell regions and a peripheral region dividing the plurality of cell regions, an intermediate plate on the lower plate and in which a plurality of openings corresponding to the plurality of cell regions is defined, and an upper plate on the intermediate plate, and a glass substrate is fixed between the intermediate plate and the upper plate.
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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.
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