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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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公开(公告)号：US20250011224A1
公开(公告)日：2025-01-09
申请号：US18893174
申请日：2024-09-23
Applicant: Samsung Display Co., Ltd. , DOWOOINSYS Co., Ltd.
Inventor： Bon Ki Goo , MYUNG-HWAN KIM , SUNGCHUL KIM , JEONG-IL YOO , Jangdoo LEE
IPC: C03C15/00 , C03C21/00 , G02F1/1333 , G06F1/16 , H01L27/146 , H10K50/842 , H10K50/844 , H10K59/122 , H10K59/40 , H10K102/00
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：US12157693B2
公开(公告)日：2024-12-03
申请号：US17715547
申请日：2022-04-07
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 , C03B33/02 , C03C15/00 , B23K103/00
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：US20230048213A1
公开(公告)日：2023-02-16
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
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：US20220234934A1
公开(公告)日：2022-07-28
申请号：US17557650
申请日：2021-12-21
Applicant: Samsung Display Co., Ltd. , DOWOOINSYS Co.,Ltd.
Inventor： HANGGYUN PARK , HYO-SEOP KIM , HYOUNGSUK ROH , JANG DOO LEE , Bon Ki KOO , Jeong Gi KIM , Seok Joo YOON , Hyungsup LEE , Kyoung Yong CHA
Abstract: A refill system includes a tempering furnace, a refill furnace which stores the molten potassium nitrate obtained by melting powdered potassium nitrate, a supply unit which supplies the molten potassium nitrate to the tempering furnace, a tempering furnace side load measuring unit which measures a load amount of the molten potassium nitrate in the tempering furnace, a refill furnace side load measuring unit which measures a load amount of the molten potassium nitrate in the refill furnace, and a central control unit which checks the load amount of the molten potassium nitrate in the tempering furnace and the refill furnace in real time, and controls the supply unit to stop supplying the molten potassium nitrate to the tempering furnace when the load amount of the molten potassium nitrate in the tempering furnace is greater than or equal to a predetermined load amount.
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