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: 12213373
    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: Grant
    Filed: June 26, 2020
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Oh June Kwon, Seung Yong Song, Won Woo Choi
  • Publication number: 20240344772
    Abstract: The present disclosure relates to a heat sink apparatus including a heating body that receives heat from an external heat source, a supplier that is supported by the heating body and supplies a cooling fluid, and a jet ejection part that is provided in the supplier and injects the cooling fluid supplied by the supplier toward the heating body.
    Type: Application
    Filed: April 2, 2024
    Publication date: October 17, 2024
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Sung-Min KIM, Hyeong-Geun KIM, Santhosh SENGUTTUVAN, Hong-Cheol SHIN, Won-Woo CHOI
  • Publication number: 20240288226
    Abstract: The present invention relates to a heat sink with a multilayer channel structure, the heat sink includes a main body part which is provided with an inlet through which a cooling fluid is introduced and an outlet through which the cooling fluid is discharged, a first channel part provided inside the main body part and through which the cooling fluid flows, and a second channel part which is provided inside the main body part and through which the cooling fluid flows, wherein the second channel part is disposed to be stacked on the first channel part, the first channel part and the second channel part extend in different directions, and the second channel part communicates with the first channel part.
    Type: Application
    Filed: February 14, 2024
    Publication date: August 29, 2024
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Sung-Min KIM, Hong-Cheol SHIN, Hyeong-Geun KIM, Won-Woo CHOI, Santhosh SENGUTTUVAN
  • 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
  • Publication number: 20170348961
    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: Application
    Filed: June 1, 2017
    Publication date: December 7, 2017
    Inventors: WON WOO CHOI, Seung Ho YOON
  • Publication number: 20170325287
    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: Application
    Filed: September 26, 2016
    Publication date: November 9, 2017
    Inventors: Jun Dong JI, Won Young CHAE, Won Woo CHOI, Myeong Ji O
  • Publication number: 20160320115
    Abstract: An ice maker includes an ice tray in which divided spaces which contain ice making water are provided, an ejector which discharges ice in the ice tray, a heater which is provided at one side of the ice tray and supplies heat to the ice tray, an ice storage container which stores the ice discharged by the ejector, and an ice amount sensing apparatus which senses whether the ice storage container is full of ice. Here, a heater cover which covers the heater, is connected to the ice tray, and to which the heat of the ice tray is transferred is formed below the heater, and an ice amount sensing apparatus cover which is connected to the heater cover and covers an outside of the ice amount sensing apparatus is formed at one side of the heater cover.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 3, 2016
    Inventors: Jun Dong JI, Jong Myung KIM, Won Woo CHOI
  • Publication number: 20130056459
    Abstract: A microwave oven capable of quickly detecting the abnormal operation and the overheated temperature of a high voltage transformer. The microwave oven including cooking chamber, a magnetron configured to provide a high frequency wave to inside of the cooking chamber, a high voltage transformer (HVT) including a core, a primary coil wound around the core, and a secondary coil wound around the core and configured to transform a voltage, which is provided to the microwave oven, to the magnetron, and a Thermo Protector (TP) configured to block a current from being applied to the primary coil when the HVT is overheated, wherein the TP is disposed at an outer surface of the secondary coil.
    Type: Application
    Filed: September 4, 2012
    Publication date: March 7, 2013
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Gyu-Sik LIM, Tae Kyou Park, Yong Sung Choi, Won Woo Choi
  • Patent number: D968986
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: November 8, 2022
    Inventors: Won Woo Choi, Jun Young Choi