Patents by Inventor Won-woo Choi

Won-woo 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: 11959909
    Abstract: The present disclosure provides a basal ganglia-on-a-chip for screening therapeutic agents for brain and nervous system diseases and a method for fabricating the same. The present invention provides a method for screening therapeutic agents for dopamine-dependent brain and nervous system diseases by using a basal ganglia-on-a-chip. When the basal ganglia-on-a-chip of the present invention is used in the effect evaluation of therapeutic agents for brain and nervous system diseases, the effect evaluation of therapeutic candidate substances can be economically and promptly carried out compared with an existing technique.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: April 16, 2024
    Assignee: SOGANG UNIVERSITY RESEARCH FOUNDATION
    Inventors: Jeong-Woo Choi, Won Jun Lee, Jae Wook Shin
  • Patent number: 11961775
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: April 16, 2024
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Patent number: 11931978
    Abstract: An anti-icing honeycomb core composite manufactured by forming an electromagnetic wave absorption layer by using dielectric fiber, molding the electromagnetic wave absorption layer into a honeycomb core structure by using a molded part including a first base, a second base, and an inner block, hardening the honeycomb core structure, and removing the molded part. The molding step includes first stacking, on the first base including a plurality of grooves in which the inner blocks each having a hexagonal column shape are able to be seated, a plurality of the inner blocks and a plurality of the electromagnetic wave absorption layers as the honeycomb core structure so that the electromagnetic wave absorption layer is disposed between the plurality of inner blocks, and second stacking covering the inner blocks and the electromagnetic wave absorption layers stacked on the first base with the second base having the same shape as the first base.
    Type: Grant
    Filed: December 22, 2020
    Date of Patent: March 19, 2024
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION GYEONGSANG NATIONAL UNIVERSITY
    Inventors: Young Woo Nam, Hyeon Seok Choe, Jin Hwe Kweon, Rho Shin Myong, Won Ho Choi
  • Patent number: 11935926
    Abstract: A method for fabricating a semiconductor device includes forming a stack structure including a horizontal recess over a substrate, forming a blocking layer lining the horizontal recess, forming an interface control layer including a dielectric barrier element and a conductive barrier element over the blocking layer, and forming a conductive layer over the interface control layer to fill the horizontal recess.
    Type: Grant
    Filed: January 18, 2023
    Date of Patent: March 19, 2024
    Assignee: SK hynix Inc.
    Inventors: Hyeng-Woo Eom, Jung-Myoung Shim, Young-Ho Yang, Kwang-Wook Lee, Won-Joon Choi
  • Patent number: 11927309
    Abstract: Disclosed is an automatic alignment method of a high-pressure gas container in which a high-pressure gas container is loaded on a lift of a cabinet so as to supply a gas from a fabrication (FAB) process facility of a semiconductor to a wafer production line, and then, the high-pressure gas container loaded on the lift is raised, and an end cap of the high-pressure gas container and the center of a connector holder of a gas pipe are automatically aligned.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: March 12, 2024
    Assignee: AMT CO., LTD.
    Inventors: Won Ho Choi, Chan Woo Kim
  • Publication number: 20240079642
    Abstract: The present invention relates to a method for preparing an alkali metal ion conductive chalcogenide-based solid electrolyte, a solid electrolyte prepared thereby, and an all-solid-state battery comprising the same.
    Type: Application
    Filed: January 11, 2022
    Publication date: March 7, 2024
    Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Yoon Cheol HA, Sang Min LEE, Byung Gon KIM, Gum Jae PARK, Jun Woo PARK, Jun Ho PARK, Ji Hyun YU, Won Jae LEE, You Jin LEE, Hae Young CHOI
  • Patent number: 11911519
    Abstract: A device for producing nanoparticles includes: a first connector comprising a first supply tube fitting member, a second supply tube fitting member, and a first discharge tube fitting member; a first tube having one side connected to the first supply tube fitting member; a second tube having one side connected to the second supply tube fitting member; a first conduit having one side connected to the first discharge tube fitting member; a first supply connected to another side of the first tube to supply a first material to the first conduit; and a second supply connected to another side of the second tube to supply a second material to the first conduit.
    Type: Grant
    Filed: January 15, 2021
    Date of Patent: February 27, 2024
    Assignees: SOONCHUNHYANG UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION, KOREA INSTITUTE OF CERAMIC ENGINEERING AND TECHNOLOGY
    Inventors: Jong Min Lim, Daekyung Sung, Won II Choi, Hyeon Woo Han, Sehee Jeong, Yoonhee Na, Jiseob Woo
  • Publication number: 20230363212
    Abstract: A display device includes a display area and a non-display area, the non-display area including a bent area having a radius of curvature, a transistor layer disposed in the display area and including a transistor and a signal line and a stack of a plurality of first area organic layers disposed in the transistor layer. The bent area includes a line layer including a connection line and a stack of a plurality of second area organic layers disposed on the line layer, wherein the connection line is electrically connected to the signal line, wherein the plurality of second area organic layers respectively extends from the plurality of first area organic layers.
    Type: Application
    Filed: February 1, 2023
    Publication date: November 9, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Won Woo CHOI, Jae Ik LIM, Yoon Ah CHOI
  • Patent number: 11653524
    Abstract: A display device includes a substrate including a plastic layer, a barrier layer, and a display area in which an image is displayed. The display device further includes a light-emitting diode disposed in the display area, a planarization layer, and a pixel definition layer. The planarization layer and the pixel definition layer overlap the light-emitting diode. The display device further includes a thin film encapsulation layer disposed on the pixel definition layer. The thin film encapsulation layer includes at least one inorganic layer. The display device further includes an opening disposed in the display area and penetrating the substrate. The opening includes a protruded portion and a depressed portion, and the barrier layer overlaps at least one of the pixel definition layer and the planarization layer at the protruded portion.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: May 16, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Ho Yoon, Woo Yong Sung, Won Je Cho, Won Woo Choi
  • Publication number: 20230008283
    Abstract: A display device includes: a flexible substrate having a first surface and a second surface opposite to the first surface, where the flexible substrate includes an upper surface portion extending along a first direction, a first bent portion connected to the upper surface portion, a first side portion connected to the first bent portion, a second bent portion connected to the first side portion, a second side portion connected to the second bent portion, a third bent portion connected to the second side portion, and a lower surface portion connected to the third bent portion; and a support member disposed on the second surface of the flexible substrate, where a portion of the support member disposed to overlap the second bent portion has a thickness less than a thickness of a portion disposed on the first side portion and a thickness of a portion disposed on the second side portion.
    Type: Application
    Filed: June 26, 2020
    Publication date: January 12, 2023
    Inventors: Oh June KWON, Seung Yong SONG, Won Woo CHOI
  • Publication number: 20210217993
    Abstract: A display device includes a substrate including a plastic layer, a barrier layer, and a display area in which an image is displayed. The display device further includes a light-emitting diode disposed in the display area, a planarization layer, and a pixel definition layer. The planarization layer and the pixel definition layer overlap the light-emitting diode. The display device further includes a thin film encapsulation layer disposed on the pixel definition layer. The thin film encapsulation layer includes at least one inorganic layer. The display device further includes an opening disposed in the display area and penetrating the substrate. The opening includes a protruded portion and a depressed portion, and the barrier layer overlaps at least one of the pixel definition layer and the planarization layer at the protruded portion.
    Type: Application
    Filed: March 29, 2021
    Publication date: July 15, 2021
    Inventors: SEUNG HO YOON, WOO YONG SUNG, WON JE CHO, WON WOO CHOI
  • Patent number: 10971574
    Abstract: A display device includes: a substrate including a display area at which an image is displayed with light, a non-display area which is adjacent to the display area, and a groove in the substrate, in the non-display area thereof; a light emitting element which generates and emits the light, disposed on the substrate in the display area thereof; and a common voltage transmitting line through which a common voltage is transmitted to the display area, disposed on the substrate in the non-display area thereof. The substrate further includes in each of the display area and non-display area thereof: a first insulating film, and a second insulating film disposed on the first insulating film. The groove extends into the second insulating film in a direction toward the first insulating film.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: April 6, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Yong Sung, Seung Ho Yoon, Won Woo Choi
  • Patent number: 10964910
    Abstract: A display device includes a substrate including a plastic layer, a barrier layer, and a display area in which an image is displayed. The display device further includes a light-emitting diode disposed in the display area, a planarization layer, and a pixel definition layer. The planarization layer and the pixel definition layer overlap the light-emitting diode. The display device further includes a thin film encapsulation layer disposed on the pixel definition layer. The thin film encapsulation layer includes at least one inorganic layer. The display device further includes an opening disposed in the display area and penetrating the substrate. The opening includes a protruded portion and a depressed portion, and the barrier layer overlaps at least one of the pixel definition layer and the planarization layer at the protruded portion.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: March 30, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Ho Yoon, Woo Yong Sung, Won Je Cho, Won Woo Choi
  • Patent number: 10555372
    Abstract: An armrest according to one embodiment of the present invention includes a case including a passage which guides a flow of air while the air is introduced and discharged and a through-hole which is formed via the passage to allow the air to be discharged outward, a fan located inside the case and by which the air is introduced and discharged through the passage, a heating element configured to supply heat to the air discharged by the fan and an outer surface of the case, and a supporter configured to support an external force applied to the case in at least two directions to keep a shape of the case.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: February 4, 2020
    Assignee: DAECHANG CO., LTD.
    Inventors: Jun Dong Ji, Won Young Chae, Won Woo Choi, Myeong Ji O
  • Publication number: 20200006462
    Abstract: A display device includes: a substrate including a display area at which an image is displayed with light, a non-display area which is adjacent to the display area, and a groove in the substrate, in the non-display area thereof; a light emitting element which generates and emits the light, disposed on the substrate in the display area thereof; and a common voltage transmitting line through which a common voltage is transmitted to the display area, disposed on the substrate in the non-display area thereof. The substrate further includes in each of the display area and non-display area thereof: a first insulating film, and a second insulating film disposed on the first insulating film. The groove extends into the second insulating film in a direction toward the first insulating film.
    Type: Application
    Filed: September 11, 2019
    Publication date: January 2, 2020
    Inventors: Woo Yong SUNG, Seung Ho YOON, Won Woo CHOI
  • Patent number: 10453912
    Abstract: A display device includes: a substrate including a display area at which an image is displayed with light, a non-display area which is adjacent to the display area, and a groove in the substrate, in the non-display area thereof; a light emitting element which generates and emits the light, disposed on the substrate in the display area thereof; and a common voltage transmitting line through which a common voltage is transmitted to the display area, disposed on the substrate in the non-display area thereof. The substrate further includes in each of the display area and non-display area thereof: a first insulating film, and a second insulating film disposed on the first insulating film. The groove extends into the second insulating film in a direction toward the first insulating film.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: October 22, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Woo Yong Sung, Seung Ho Yoon, Won Woo Choi
  • Publication number: 20190245160
    Abstract: A display device includes a substrate including a plastic layer, a barrier layer, and a display area in which an image is displayed. The display device further includes a light-emitting diode disposed in the display area, a planarization layer, and a pixel definition layer. The planarization layer and the pixel definition layer overlap the light-emitting diode. The display device further includes a thin film encapsulation layer disposed on the pixel definition layer. The thin film encapsulation layer includes at least one inorganic layer. The display device further includes an opening disposed in the display area and penetrating the substrate. The opening includes a protruded portion and a depressed portion, and the barrier layer overlaps at least one of the pixel definition layer and the planarization layer at the protruded portion.
    Type: Application
    Filed: December 18, 2018
    Publication date: August 8, 2019
    Inventors: Seung Ho Yoon, Woo Yong Sung, Won Je Cho, Won Woo Choi
  • Publication number: 20190081129
    Abstract: A display device includes: a substrate including a display area at which an image is displayed with light, a non-display area which is adjacent to the display area, and a groove in the substrate, in the non-display area thereof; a light emitting element which generates and emits the light, disposed on the substrate in the display area thereof; and a common voltage transmitting line through which a common voltage is transmitted to the display area, disposed on the substrate in the non-display area thereof. The substrate further includes in each of the display area and non-display area thereof: a first insulating film, and a second insulating film disposed on the first insulating film. The groove extends into the second insulating film in a direction toward the first insulating film.
    Type: Application
    Filed: May 4, 2018
    Publication date: March 14, 2019
    Inventors: Woo Yong SUNG, Seung Ho YOON, Won Woo CHOI
  • Patent number: 10081173
    Abstract: A film peeling apparatus including a peeling unit, a peeling unit position adjusted, and a clamp. The peeling unit has uneven portions at an end portion thereof. The peeling unit is configured to peel off a protection film attached on a display panel. The peeling unit position adjuster is connected to the peeling unit. The peeling unit position adjuster is configured to adjust a position of the peeling unit. The clamp is disposed separately from the peeling unit. The clamp is configured to clamp the peeling unit.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: September 25, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Woo Choi, Seung Ho Yoon
  • Patent number: D968986
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: November 8, 2022
    Inventors: Won Woo Choi, Jun Young Choi