Patents by Inventor Dong Won Choi

Dong Won Choi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 12218078
    Abstract: There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes: a gate stack structure including a plurality of interlayer insulating layers and a plurality of conductive patterns, which are alternately stacked in a vertical direction; a dummy stack structure including a plurality of dummy interlayer insulating layers and a plurality of sacrificial layers, which are alternately stacked in the vertical direction, the dummy stack structure being disposed at a level at which the gate stack structure is disposed; a channel structure penetrating the gate stack structure; a memory layer disposed between each of the plurality of conductive patterns and the channel structure; and a dummy pillar penetrating a portion of the dummy stack structure with a length less than a length of the channel structure in the vertical direction.
    Type: Grant
    Filed: April 5, 2022
    Date of Patent: February 4, 2025
    Assignee: SK hynix Inc.
    Inventors: Jun Hyuk Park, Kyung Min Park, Sung Gon Jin, Dong Won Choi
  • Patent number: 12178902
    Abstract: A method of treating impaired lymphatic function in a subject is provided. The method includes a step of inducing activation of Piezo1 ion channels in lymphatic tissues of a subject having impaired lymphatic function. Similarly, a method of treating ocular hypertension or glaucoma in a subject includes a step of inducing activation of Piezo1 ion channels in an eye of a subject having an ocular pressure that is greater than 22 mm Hg. Finally, a method of treating ocular hypertension or glaucoma in a subject includes a step of inducing activation of Piezo1 ion channels in an eye of a subject having an ocular pressure that is greater than 22 mm Hg.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: December 31, 2024
    Assignee: University of Southern California
    Inventors: Young-Kwon Hong, Dong-Won Choi
  • Patent number: 11964044
    Abstract: One aspect of the present disclosure relates to a phase transfer cosmetic composition. According to the present disclosure, there can be provided a cosmetic composition which contains a wax having a melting point of 40 to 60° C. and an inulin-based surfactant, wherein the composition maintains a liquid state before applied to the skin and rubbed, and changes to a solid state when applied to the skin, can solve the problems in terms of hygiene and use because it is not used by scooping it by hand, and further, changes its phase to a solid state when applied to the skin and then rubbed, and thus, can solve the problem of dripping when applied to face or skin.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: April 23, 2024
    Assignee: Amorepacific Corporation
    Inventors: Dong Wan Ha, Yu Jung Kim, Dong Won Choi, Yoon Kyun Hwang
  • Patent number: 11833806
    Abstract: A display device includes a display panel; a supporter disposed on a surface of the display panel; and an adhesive layer disposed between the supporter and the display panel, wherein the supporter includes metal layers spaced apart from each other; and a cushion layer surrounding the metal layers, the adhesive layer includes a first area overlapping the metal layers in a vertical direction to the display panel; and a second area not overlapping the metal layers in the vertical direction to the display panel, and a modulus of the second area of the adhesive layer is larger than a modulus of the first area of the adhesive layer.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: December 5, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong Won Choi, Beon Jin Kim, Jin Hwan Choi, Tae Woong Kim, Jong Hwa Lee
  • Publication number: 20230129734
    Abstract: There are provided a semiconductor memory device and a manufacturing method of the semiconductor memory device. The semiconductor memory device includes: a gate stack structure including a plurality of interlayer insulating layers and a plurality of conductive patterns, which are alternately stacked in a vertical direction; a dummy stack structure including a plurality of dummy interlayer insulating layers and a plurality of sacrificial layers, which are alternately stacked in the vertical direction, the dummy stack structure being disposed at a level at which the gate stack structure is disposed; a channel structure penetrating the gate stack structure; a memory layer disposed between each of the plurality of conductive patterns and the channel structure; and a dummy pillar penetrating a portion of the dummy stack structure with a length less than a length of the channel structure in the vertical direction.
    Type: Application
    Filed: April 5, 2022
    Publication date: April 27, 2023
    Applicant: SK hynix Inc.
    Inventors: Jun Hyuk PARK, Kyung Min PARK, Sung Gon JIN, Dong Won CHOI
  • Patent number: 11480296
    Abstract: A pressure vessel includes a boss tail portion including a boss extension portion having a cylindrical shape and a boss flange portion integrally expanding outward in a radial direction along a circumferential direction above the boss extension portion, a liner portion having a container shape in which an accommodation space is formed to accommodate a fluid therein and a bottom is sealed and coupled, through integral insertion-injection molding, along a top surface of the boss flange portion, and a composite cover portion provided to surround an outer surface of the liner portion and to have a bottom end sealed and coupled while surrounding a bottom surface of the boss flange portion and an outer surface of the boss extension portion.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: October 25, 2022
    Assignee: SUNGWOO HITECH CO., LTD.
    Inventors: Byung Hag Park, Dong Won Choi
  • Publication number: 20220214014
    Abstract: Disclosed is a pressure vessel including a boss tail portion including a boss extension portion having a cylindrical shape and a boss flange portion integrally expanding outward in a radial direction along a circumferential direction above the boss extension portion, a liner portion having a container shape in which an accommodation space is formed to accommodate a fluid therein and a bottom is sealed and coupled, through integral insertion-injection molding, along a top surface of the boss flange portion, and a composite cover portion provided to surround an outer surface of the liner portion and to have a bottom end sealed and coupled while surrounding a bottom surface of the boss flange portion and an outer surface of the boss extension portion.
    Type: Application
    Filed: February 3, 2021
    Publication date: July 7, 2022
    Inventors: Byung Hag PARK, Dong Won CHOI
  • Publication number: 20220141968
    Abstract: A display device includes a display panel; a supporter disposed on a surface of the display panel; and an adhesive layer disposed between the supporter and the display panel, wherein the supporter includes metal layers spaced apart from each other; and a cushion layer surrounding the metal layers, the adhesive layer includes a first area overlapping the metal layers in a vertical direction to the display panel; and a second area not overlapping the metal layers in the vertical direction to the display panel, and a modulus of the second area of the adhesive layer is larger than a modulus of the first area of the adhesive layer.
    Type: Application
    Filed: August 10, 2021
    Publication date: May 5, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Dong Won CHOI, Beon Jin KIM, Jin Hwan CHOI, Tae Woong KIM, Jong Hwa LEE
  • Patent number: 11229586
    Abstract: A surfactant-free cosmetic composition is disclosed. The composition is a stable water in silicone oil (W/S) formulation containing a silicone oil phase portion and an aqueous phase portion, wherein the silicone oil phase portion contains an emollient having a pyrrolidone carboxylic acid group, oil-absorbing powder and silicone oil, and the aqueous phase portion contains 50 wt.% or more of water based on the total weight of the surfactant-free cosmetic composition. The composition may further contain a high content of vitamin C or a vitamin C derivative and has improved long term storage stability.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: January 25, 2022
    Assignee: AMOREPACIFIC CORPORATION
    Inventors: Seong Chan Eo, Seung Han Park, Byung Fhy Suh, Ji Sik Shin, Dong Won Choi, Byung Guen Chae
  • Publication number: 20210128449
    Abstract: One aspect of the present disclosure relates to a phase transfer cosmetic composition. According to the present disclosure, there can be provided a cosmetic composition which contains a wax having a melting point of 40 to 60° C. and an inulin-based surfactant, wherein the composition maintains a liquid state before applied to the skin and rubbed, and changes to a solid state when applied to the skin, can solve the problems in terms of hygiene and use because it is not used by scooping it by hand, and further, changes its phase to a solid state when applied to the skin and then rubbed, and thus, can solve the problem of dripping when applied to face or skin.
    Type: Application
    Filed: October 30, 2020
    Publication date: May 6, 2021
    Applicant: Amorepacific Corporation
    Inventors: Dong Wan HA, Yu Jung KIM, Dong Won CHOI, Yoon Kyun HWANG
  • Publication number: 20200405592
    Abstract: A surfactant-free cosmetic composition is disclosed. The composition is a stable water in silicone oil (W/S) formulation containing a silicone oil phase portion and an aqueous phase portion, wherein the silicone oil phase portion contains an emollient a pyrrolidone carboxylic acid group, oil-absorbing powder and silicone oil, and the aqueous phase portion contains 50 wt. % or more of water based on the total weight of the surfactant-free cosmetic composition. The composition may further contain a high content of vitamin C or a vitamin C derivative and has improved long term storage stability.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 31, 2020
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Seong Chan EO, Seung Han PARK, Byung Fhy SUH, Ji Sik SHIN, Dong Won CHOI, Byung Guen CHAE
  • Patent number: 10695284
    Abstract: Disclosed herein is a skin external composition containing a red yeast rice extract. More particularly, disclosed is a skin external composition containing a red yeast rice extract which can increase the production of loricrin in keratinocytes and to strengthen the skin barrier function, thereby exhibiting an excellent effect of improving skin moisturization.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 30, 2020
    Assignee: Amorepacific Corporation
    Inventors: Dong Won Choi, Hong Guen Park, Han Byul Kim, Jin Sup Shim, In Hye Ha, Youn Joon Kim, Byung Young Kang
  • Patent number: 10396310
    Abstract: A display apparatus includes a display device and an encapsulation layer covering the display device. The encapsulation layer includes a first inorganic encapsulation layer, a second inorganic encapsulation layer, and a hybrid encapsulation layer positioned between the first inorganic encapsulation layer and the second inorganic encapsulation layer. The hybrid encapsulation layer includes at least one of alucone, zircone, zincone, titanicone, and nickelcone.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: August 27, 2019
    Assignees: Samsung Display Co., Ltd., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Jin-Hwan Choi, Jin-Seong Park, Tae-Woong Kim, Dong-Won Choi
  • Publication number: 20190209446
    Abstract: An oil-in-water type emulsion and a cosmetic composition having the same to an oil-in-water type emulsion in which an oil-phase part having a C12-C22 fatty acid, an oil and an emulsifier is dispersed in a water-phase part comprising a viscosity increasing agent, a neutralizing agent and water is disclosed. The wherein the oil-in-water type emulsion has a starch-based viscosity increasing agent as the viscosity increasing agent A cosmetic composition having the same is also disclosed. In spite of being an emulsified composition obtained through the neutralization of fatty acids, the oil-in-water type emulsion according to the present invention has excellent stability and is also excellent in view of the feeling of use, skin irritation, and stability on the skin, and thus enables the manufacture and use of various formulations of chemical products.
    Type: Application
    Filed: August 28, 2017
    Publication date: July 11, 2019
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Ji Yeon HAN, Yu Mi SUH, Sun Young KIM, Ji Sik SHIN, Dong Won CHOI
  • Patent number: 10269329
    Abstract: A scanline driver chip includes: a chip selection de-serializer configured to provide an output enable signal based on an enable signal, a clock signal, and serial chip selection data, the serial chip selection data being received in serial order; an address data de-serializer configured to provide parallel address data based on the enable signal, the clock signal, the output enable signal, and serial address data, the serial address data being received in serial order; and a decoder-level shifter configured to provide a scanline enable signal based on the parallel address data. A display device includes: a controller configured to provide an enable signal, a clock signal, serial chip selection data, and serial address data; a plurality of the scanline driver chips each configured to provide a scanline enable signal; and a pixel array configured to be driven based on the scanline enable signal.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: April 23, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Jun Cho, Dong-Won Choi
  • Patent number: 10054144
    Abstract: A mounting bolt for a sub-frame is disclosed. A mounting bolt for a sub-frame that is used to engage a sub-frame to a front side member of a vehicle according to one or a plurality of exemplary embodiments of the present invention may include a bolt body that is inserted into a penetration hole of a mounting bracket fixed on the front side member and is joined to the mounting bracket through a first flange that is formed at an upper end circumference thereof, a support body at which a second flange is formed at a lower end circumference to have a hollow space and is disposed on the bolt body, and a joining plate that is interposed between the first flange and the second flange and is welded with a first join protrusion that is formed on an upper surface of the first flange and a second join protrusion that is formed on a lower surface of the second flange by electrical resistance.
    Type: Grant
    Filed: June 17, 2016
    Date of Patent: August 21, 2018
    Assignee: SUNGWOO HITECH CO., LTD.
    Inventors: Dong Won Choi, Mun Yong Lee
  • Publication number: 20180226612
    Abstract: A display apparatus includes a display device and an encapsulation layer covering the display device. The encapsulation layer includes a first inorganic encapsulation layer, a second inorganic encapsulation layer, and a hybrid encapsulation layer positioned between the first inorganic encapsulation layer and the second inorganic encapsulation layer. The hybrid encapsulation layer includes at least one of alucone, zircone, zincone, titanicone, and nickelcone.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 9, 2018
    Inventors: Jin-Hwan CHOI, Jin-Seong PARK, Tae-Woong KIM, Dong-Won CHOI
  • Publication number: 20180110720
    Abstract: Disclosed herein is a skin external composition containing a red yeast rice extract. More particularly, disclosed is a skin external composition containing a red yeast rice extract which can increase the production of loricrin in keratinocytes and to strengthen the skin barrier function, thereby exhibiting an excellent effect of improving skin moisturization.
    Type: Application
    Filed: December 20, 2017
    Publication date: April 26, 2018
    Applicant: Amorepacific Corporation
    Inventors: Dong Won CHOI, Hong Guen PARK, Han Byul KIM, Jin Sup SHIM, In Hye HA, Youn Joon KIM, Byung Young KANG
  • Patent number: 9877915
    Abstract: Disclosed herein is a skin external composition containing a red yeast rice extract. More particularly, disclosed is a skin external composition containing a red yeast rice extract which can increase the production of loricrin in keratinocytes and to strengthen the skin barrier function, thereby exhibiting an excellent effect of improving skin moisturization.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: January 30, 2018
    Assignee: Amorepacific Corporation
    Inventors: Dong Won Choi, Hong Guen Park, Han Byul Kim, Jin Sup Shim, In Hye Ha, Youn Joon Kim, Byung Young Kang
  • Publication number: 20170173724
    Abstract: A mounting bolt for a sub-frame is disclosed. A mounting bolt for a sub-frame that is used to engage a sub-frame to a front side member of a vehicle according to one or a plurality of exemplary embodiments of the present invention may include a bolt body that is inserted into a penetration hole of a mounting bracket fixed on the front side member and is joined to the mounting bracket through a first flange that is formed at an upper end circumference thereof, a support body at which a second flange is formed at a lower end circumference to have a hollow space and is disposed on the bolt body, and a joining plate that is interposed between the first flange and the second flange and is welded with a first join protrusion that is formed on an upper surface of the first flange and a second join protrusion that is formed on a lower surface of the second flange by electrical resistance.
    Type: Application
    Filed: June 17, 2016
    Publication date: June 22, 2017
    Inventors: Dong Won CHOI, Mun Yong Lee