DOWOOINSYS Co.,Ltd.

Republic of Korea

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Date
2025 May 1
2025 (YTD) 3
2024 3
2023 2
2022 3
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IPC Class
C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching 6
C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface 4
B23K 103/00 - Materials to be soldered, welded or cut 3
C03B 33/02 - Cutting or splitting sheet glassApparatus or machines therefor 3
G02F 1/1333 - Constructional arrangements 3
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Status
Pending 7
Registered / In Force 5
Found results for  patents

1.

UNIT CELL THIN FILM GLASS MANUFACTURED BY MEANS OF GLASS CUTTING AND POST-PROCESSING METHOD

      
Application Number 18833674
Status Pending
Filing Date 2022-06-29
First Publication Date 2025-05-15
Owner DOWOOINSYS CO.,LTD. (Republic of Korea)
Inventor
  • Yi, Seung Jun
  • Lee, Hyung Sup
  • Choi, Soung Woong

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.

IPC Classes  ?

  • C03B 33/07 - Cutting armoured or laminated glass products
  • C03B 33/10 - Glass-cutting tools, e.g. scoring tools
  • C03C 15/02 - Surface treatment of glass, not in the form of fibres or filaments, by etching for making a smooth surface
  • C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating

2.

METHOD OF MANUFACTURING WINDOW AND WINDOW MANUFACTURED BY THE SAME

      
Application Number 18927434
Status Pending
Filing Date 2024-10-25
First Publication Date 2025-02-06
Owner
  • SAMSUNG DISPLAY CO., LTD. (Republic of Korea)
  • DOWOOINSYS CO., LTD. (Republic of Korea)
Inventor
  • Kim, Hyungsik
  • Roh, Cheollae
  • Lee, Jang Doo
  • Kim, Beomsoo
  • Park, Hanggyun
  • Lee, Joongsung
  • Jung, Woohyun
  • Yi, Seungjun
  • Lee, Hyungsup
  • Choi, Sunhong

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.

IPC Classes  ?

  • C03B 33/023 - Cutting or splitting sheet glassApparatus or machines therefor the sheet being in a horizontal position
  • B23K 26/06 - Shaping the laser beam, e.g. by masks or multi-focusing
  • B23K 26/38 - Removing material by boring or cutting
  • B23K 26/402 - Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
  • B23K 103/00 - Materials to be soldered, welded or cut
  • C03B 33/02 - Cutting or splitting sheet glassApparatus or machines therefor
  • C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching

3.

FOLDABLE GLASS SUBSTRATE AND FOLDABLE DISPLAY DEVICE INCLUDING THE SAME

      
Application Number 18893174
Status Pending
Filing Date 2024-09-23
First Publication Date 2025-01-09
Owner
  • Samsung Display Co., Ltd. (Republic of Korea)
  • DOWOOINSYS Co., Ltd. (Republic of Korea)
Inventor
  • Goo, Bon Ki
  • Kim, Myung-Hwan
  • Kim, Sungchul
  • Yoo, Jeong-Il
  • Lee, Jangdoo

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.

IPC Classes  ?

  • C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
  • C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
  • G02F 1/1333 - Constructional arrangements
  • G06F 1/16 - Constructional details or arrangements
  • H01L 27/146 - Imager structures
  • H10K 50/842 - Containers
  • H10K 50/844 - Encapsulations
  • H10K 59/122 - Pixel-defining structures or layers, e.g. banks
  • H10K 59/40 - OLEDs integrated with touch screens
  • H10K 102/00 - Constructional details relating to the organic devices covered by this subclass

4.

METHOD FOR LASER-CUTTING AND POST-TREATING UTG HAVING PARTIAL COATING FILM FORMED THEREON

      
Application Number 18683997
Status Pending
Filing Date 2022-01-13
First Publication Date 2024-10-24
Owner DOWOOINSYS CO.,LTD. (Republic of Korea)
Inventor
  • Yi, Seung Jun
  • Lee, Hyung Sup
  • Choi, Sun Hong
  • Choi, Soung Woong

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).

IPC Classes  ?

5.

METHOD FOR COATING FILM ABLATION AND GLASS CUTTING, WHICH USE LASER, AND FOR POST-TREATMENT

      
Application Number 18575253
Status Pending
Filing Date 2021-11-01
First Publication Date 2024-09-26
Owner DOWOOINSYS CO., LTD. (Republic of Korea)
Inventor
  • Yi, Seung Jun
  • Lee, Hyung Sup
  • Choi, Sun Hong
  • Koo, Bon Ki

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.

IPC Classes  ?

  • C03B 33/07 - Cutting armoured or laminated glass products
  • B28D 1/22 - Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhereMachines, devices, tools therefor by cutting, e.g. incising
  • C03B 33/09 - Severing cooled glass by thermal shock
  • C03C 23/00 - Other surface treatment of glass not in the form of fibres or filaments

6.

Potassium nitrate level detection sensing module in strengthening furnace

      
Application Number 18039412
Grant Number 12352611
Status In Force
Filing Date 2022-01-20
First Publication Date 2024-07-11
Grant Date 2025-07-08
Owner DOWOOINSYS CO., LTD. (Republic of Korea)
Inventor
  • Lee, Hyung Sup
  • Kim, Yun Hoe
  • Kim, Hyun Min
  • Yoon, Hyun Yeol

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.

IPC Classes  ?

  • G01F 23/24 - Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
  • C03B 27/03 - Tempering glass products using liquid the liquid being a molten metal or a molten salt
  • G01F 23/80 - Arrangements for signal processing

7.

Foldable glass substrate including tapered sides

      
Application Number 17976346
Grant Number 12122706
Status In Force
Filing Date 2022-10-28
First Publication Date 2023-02-16
Grant Date 2024-10-22
Owner
  • SAMSUNG DISPLAY CO., LTD. (Republic of Korea)
  • DOWOOINSYS CO., LTD. (Republic of Korea)
Inventor
  • Goo, Bon Ki
  • Kim, Myung-Hwan
  • Kim, Sungchul
  • Yoo, Jeong-Il
  • Lee, Jangdoo

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.

IPC Classes  ?

  • H10K 50/84 - PassivationContainersEncapsulations
  • C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
  • C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
  • H10K 50/844 - Encapsulations
  • G02F 1/1333 - Constructional arrangements
  • G06F 1/16 - Constructional details or arrangements
  • H01L 27/146 - Imager structures
  • H10K 50/842 - Containers
  • H10K 59/122 - Pixel-defining structures or layers, e.g. banks
  • H10K 59/40 - OLEDs integrated with touch screens
  • H10K 102/00 - Constructional details relating to the organic devices covered by this subclass

8.

GLASS PLATE STRENGTHENING DEVICE AND GLASS PLATE STRENGTHENING METHOD USING THE SAME

      
Application Number 17861089
Status Pending
Filing Date 2022-07-08
First Publication Date 2023-01-19
Owner
  • Samsung Display Co., Ltd. (Republic of Korea)
  • DOWOOINSYS Co., Ltd. (Republic of Korea)
Inventor
  • Kim, Hyo-Seop
  • Kim, Tae-Sik
  • Park, Chanwook
  • Park, Hanggyun
  • Boo, Sungeun
  • Song, Youngnam
  • Lee, Jang Doo
  • Lee, Hyungsup
  • Cha, Kyoungyong

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.

IPC Classes  ?

  • C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface

9.

Method of manufacturing window and window manufactured by the same

      
Application Number 17715547
Grant Number 12157693
Status In Force
Filing Date 2022-04-07
First Publication Date 2022-11-03
Grant Date 2024-12-03
Owner
  • Samsung Display Co., Ltd. (Republic of Korea)
  • Dowooinsys Co., Ltd. (Republic of Korea)
Inventor
  • Kim, Hyungsik
  • Roh, Cheollae
  • Lee, Jang Doo
  • Kim, Beomsoo
  • Park, Hanggyun
  • Lee, Joongsung
  • Jung, Woohyun
  • Yi, Seungjun
  • Lee, Hyungsup
  • Choi, Sunhong

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.

IPC Classes  ?

  • C03B 33/023 - Cutting or splitting sheet glassApparatus or machines therefor the sheet being in a horizontal position
  • B23K 26/06 - Shaping the laser beam, e.g. by masks or multi-focusing
  • B23K 26/38 - Removing material by boring or cutting
  • B23K 26/402 - Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
  • C03B 33/02 - Cutting or splitting sheet glassApparatus or machines therefor
  • C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
  • B23K 103/00 - Materials to be soldered, welded or cut

10.

Jig for manufacturing window and method of manufacturing window using the same

      
Application Number 17586589
Grant Number 12116307
Status In Force
Filing Date 2022-01-27
First Publication Date 2022-08-11
Grant Date 2024-10-15
Owner
  • Samsung Display Co., Ltd. (Republic of Korea)
  • Dowooinsys Co., Ltd. (Republic of Korea)
Inventor
  • Park, Hanggyun
  • Kim, Beomsoo
  • Kim, Byungchan
  • Lee, Jang Doo
  • Yi, Seungjun
  • Lee, Hyungsup
  • Choi, Sunhong

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.

IPC Classes  ?

  • C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
  • C03B 33/02 - Cutting or splitting sheet glassApparatus or machines therefor

11.

REFILL SYSTEM WITH IMPROVED UTILIZATION RATE OF ULTRA-THIN GLASS PRODUCTION PROCESS

      
Application Number 17557650
Status Pending
Filing Date 2021-12-21
First Publication Date 2022-07-28
Owner
  • Samsung Display Co., Ltd. (Republic of Korea)
  • DOWOOINSYS Co.,Ltd. (Republic of Korea)
Inventor
  • Park, Hanggyun
  • Kim, Hyo-Seop
  • Roh, Hyoungsuk
  • Lee, Jang Doo
  • Koo, Bon Ki
  • Kim, Jeong Gi
  • Yoon, Seok Joo
  • Lee, Hyungsup
  • Cha, Kyoung Yong

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.

IPC Classes  ?

  • C03B 27/03 - Tempering glass products using liquid the liquid being a molten metal or a molten salt
  • F27B 3/28 - Arrangement of controlling, monitoring, alarm or like devices
  • F27D 19/00 - Arrangement of controlling devices

12.

Foldable glass substrate and foldable display device including the same

      
Application Number 17096050
Grant Number 11492289
Status In Force
Filing Date 2020-11-12
First Publication Date 2021-05-20
Grant Date 2022-11-08
Owner
  • SAMSUNG DISPLAY CO., LTD. (Republic of Korea)
  • DOWOOINSYS CO., LTD. (Republic of Korea)
Inventor
  • Goo, Bon Ki
  • Kim, Myung-Hwan
  • Kim, Sungchul
  • Yoo, Jeong-Il
  • Lee, Jangdoo

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.

IPC Classes  ?

  • H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
  • H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
  • H01L 27/14 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy
  • H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
  • G02F 1/133 - Constructional arrangementsOperation of liquid crystal cellsCircuit arrangements
  • G06F 1/16 - Constructional details or arrangements
  • G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
  • C03C 15/00 - Surface treatment of glass, not in the form of fibres or filaments, by etching
  • C03C 21/00 - Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals into the surface
  • G02F 1/1333 - Constructional arrangements
  • H01L 27/146 - Imager structures