Patents by Inventor Jong-Hyuk Kang

Jong-Hyuk Kang 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).

  • Light emitting display device
    Patent number: 10714701
    Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.
    Type: Grant
    Filed: February 12, 2019
    Date of Patent: July 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Deok Im, Jong Hyuk Kang, Dae Hyun Kim, Joo Yeol Lee, Chi O Cho, Hyun Min Cho
  • LIGHT EMITTING DEVICE HAVING A DAM SURROUNDING A LIGHT EMITTING REGION
    Publication number: 20200203583
    Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
    Type: Application
    Filed: March 2, 2020
    Publication date: June 25, 2020
    Inventors: Hyun Deok IM, Jong Hyuk KANG, Dae Hyun KIM, Joo Yeol LEE, Hyun Min CHO
  • Light emitting device and manufacturing method of the light emitting device
    Patent number: 10665633
    Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyuk Kang, Hyun Min Cho, Dae Hyun Kim, Joo Yeol Lee, Hyun Deok Im
  • Light emitting device having a dam surrounding a light emitting region
    Patent number: 10580946
    Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
    Type: Grant
    Filed: June 13, 2019
    Date of Patent: March 3, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Deok Im, Jong Hyuk Kang, Dae Hyun Kim, Joo Yeol Lee, Hyun Min Cho
  • LIGHT EMITTING DEVICE AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20200058701
    Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.
    Type: Application
    Filed: October 28, 2019
    Publication date: February 20, 2020
    Inventors: Dae Hyun Kim, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Hyun Min Cho
  • Liquid crystal display device and method for driving the same
    Patent number: 10564467
    Abstract: A liquid crystal display device which may prevent a color mixing phenomenon and a driving method thereof, the liquid crystal display device including a first substrate and a second substrate facing each other; a thin film transistor disposed inside the first substrate; a color conversion layer disposed inside the second substrate and including a plurality of quantum rods; a liquid crystal layer disposed between the first substrate and the second substrate; a first polarizer disposed outside the first substrate; and a second polarizer disposed outside the second substrate.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: February 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jong Hyuk Kang, Hyun Min Cho, Jae Byung Park, Jae Woong Kang, Dae Hyun Kim, Suk Sun Lee, Joo Yeol Lee, Hyun Deok Im, Sung-Jin Hong
  • LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF
    Publication number: 20200033669
    Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.
    Type: Application
    Filed: October 1, 2019
    Publication date: January 30, 2020
    Inventors: JAE BYUNG PARK, SUNG SIK YUN, JONG HYUK KANG, HAE IL PARK, HYUN MIN CHO
  • LIGHT-EMITTING ELEMENT, METHOD OF MANUFACTURING THE SAME AND DISPLAY DEVICE COMPRISING LIGHT-EMITTING ELEMENT
    Publication number: 20190378954
    Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.
    Type: Application
    Filed: June 7, 2019
    Publication date: December 12, 2019
    Inventors: Jung Hong MIN, Dae Hyun KIM, Hyun Min CHO, Jong Hyuk KANG, Dong Uk KIM, Seung A LEE, Hyun Deok IM, Hyung Rae CHA
  • LIGHT EMITTING ELEMENT, METHOD OF MANUFACTURING THE SAME, AND DISPLAY DEVICE INCLUDING THE SAME
    Publication number: 20190378953
    Abstract: A light emitting element, a method of manufacturing a light emitting element, and a display device including a light emitting element are provided. A method of manufacturing a light emitting element includes: preparing a lower panel including a substrate and a first sub conductive semiconductor layer on the substrate; forming a first mask layer including at least one mask pattern on at least a part of the lower panel to be spaced apart from each other and an opening region in which the mask patterns are spaced apart from each other; laminating a first conductive semiconductor layer, an active material layer, and a second conductive semiconductor layer on the first mask layer to form an element laminate; etching the element laminate in a vertical direction to form an element rod; and removing the mask pattern to separate the element rod from the lower panel.
    Type: Application
    Filed: February 12, 2019
    Publication date: December 12, 2019
    Inventors: Jung Hong MIN, Dae Hyun KIM, Seung A LEE, Hyun Min CHO, Jong Hyuk KANG, Dong Uk KIM, Hyun Deok IM, Hyung Rae CHA
  • Light emitting device and display device including the same
    Patent number: 10461123
    Abstract: A light emitting device, includes: a substrate; a light emitting element on the substrate, the light emitting element having a first end portion and a second end portion arranged in a longitudinal direction; one or more partition walls disposed on the substrate, the one or more partition walls being spaced apart from the light emitting element; a first reflection electrode adjacent the first end portion of the light emitting element; a second reflection electrode adjacent the second end portion of the light emitting element; a first contact electrode connected to the first reflection electrode and the first end portion of the light emitting element; an insulating layer on the first contact electrode, the insulating layer having an opening exposing the second end portion of the light emitting element and the second reflection electrode to the outside; and a second contact electrode on the insulating layer.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: October 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dae Hyun Kim, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Hyun Min Cho
  • LIGHT EMITTING DEVICE AND FABRICATING METHOD THEREOF
    Publication number: 20190326474
    Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 24, 2019
    Inventors: Dae Hyun KIM, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Chi O Cho, Hyun Min Cho
  • Liquid crystal display and manufacturing method thereof
    Patent number: 10429690
    Abstract: A wide viewing angle liquid crystal display includes color filters having a quantum dot and scattering particles and liquid crystal layer disposed in a microcavity, a distance between the color filter and the liquid crystal layer being sized to minimize display deterioration due to parallax.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: October 1, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Byung Park, Sung Sik Yun, Jong Hyuk Kang, Hae Il Park, Hyun Min Cho
  • LIGHT EMITTING DEVICE HAVING A DAM SURROUNDING EACH LIGHT EMITTING REGION AND A BARRIER SURROUNDING THE DAM AND FABRICATING METHOD THEREOF
    Publication number: 20190296200
    Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
    Type: Application
    Filed: June 13, 2019
    Publication date: September 26, 2019
    Inventors: Hyun Deok IM, Jong Hyuk KANG, Dae Hyun KIM, Joo Yeol LEE, Hyun Min CHO
  • DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME
    Publication number: 20190244567
    Abstract: A display device includes: a substrate; a display element layer on one surface of the substrate and including at least one light emitting element emitting light; and a pixel circuit portion on the display element layer and including at least one transistor electrically connected to the light emitting element, wherein the display element layer includes: a first electrode on the substrate and electrically connected to one end of the light emitting element; a second electrode on the substrate and electrically connected to the other end of the light emitting element; and an insulation layer on the substrate including the second electrode, and having a first opening exposing a portion of the second electrode, and wherein the second electrode is electrically connected to the transistor through the first opening.
    Type: Application
    Filed: December 10, 2018
    Publication date: August 8, 2019
    Inventors: Hyun Min CHO, Sung Chul KIM, Dae Hyun KIM, Hye Yong CHU, Jong Hyuk KANG, Keun Kyu SONG, Joo Yeol LEE, Bek Hyun LIM, Hyun Deok IM
  • LIGHT EMITTING DEVICE AND MANUFACTURING METHOD OF THE LIGHT EMITTING DEVICE
    Publication number: 20190245005
    Abstract: A light-emitting device includes: a substrate; a unit light-emitting area disposed on the substrate; first and second electrodes disposed in the unit light-emitting area to be separated from each other; a plurality of rod-shaped LEDs disposed between the first and second electrodes; a reflective contact electrode disposed on opposite ends of the rod-shaped LEDs to electrically connect the rod-shaped LEDs to the first and second electrodes; and a light-transmitting structure disposed between the first and second electrodes and extending to cross the rod-shaped LEDs.
    Type: Application
    Filed: April 19, 2019
    Publication date: August 8, 2019
    Inventors: Jong Hyuk KANG, Hyun Min CHO, Dae Hyun KIM, Joo Yeol LEE, Hyun Deok IM
  • DISPLAY DEVICE
    Publication number: 20190244559
    Abstract: A display device includes a plurality of data lines to supply data voltages, a plurality of scan lines to supply scan signals, and a first pixel connected to at least one of the plurality of data lines, and connected to at least one of the plurality of scan lines, the first pixel including a first light-emitting diode of a first color, in which an anode is connected to a first node and a cathode is connected to a reference voltage line, and a second light-emitting diode of a second color that is different from the first color, in which an anode is connected to the reference voltage line, and a cathode is connected to the first node.
    Type: Application
    Filed: November 14, 2018
    Publication date: August 8, 2019
    Inventors: Hyun Min CHO, Sung Chul KIM, Hye Yong CHU, Jong Hyuk KANG, Dae Hyun KIM, Keun Kyu SONG, Hyun Deok IM
  • Light emitting device having a dam surrounding each light emitting region and a barrier surrounding the dam and fabricating method thereof
    Patent number: 10367123
    Abstract: A light emitting device includes: a base substrate; a plurality of unit regions provided on the base substrate; a barrier disposed at a boundary of the unit regions to surround each of the unit regions; a dam disposed in each of the unit regions to be spaced apart from the barrier; a first electrode provided in each of unit light emitting regions surrounded by the dam; a second electrode disposed in each of the unit light emitting regions, the second electrode of which at least one region is provided opposite to the first electrode; and one or more LEDs provided in each of the unit light emitting regions, the one or more LEDs being electrically connected between the first electrode and the second electrode.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: July 30, 2019
    Assignee: Samsung Display co., Ltd.
    Inventors: Hyun Deok Im, Jong Hyuk Kang, Dae Hyun Kim, Joo Yeol Lee, Hyun Min Cho
  • Nanowire bundle and method of manufacturing nanostructure
    Patent number: 10354869
    Abstract: A method of manufacturing a nanostructure includes: heating a mixed solution to a first temperature, the mixed solution including a solvent, a compound including indium, and an octadecylphosphonic acid; heating the mixed solution to a second temperature; injecting, after heating the mixed solution to the second temperature, a phosphine precursor into the mixed solution; and heating the mixed solution including the injected phosphine precursor to a third temperature.
    Type: Grant
    Filed: October 11, 2017
    Date of Patent: July 16, 2019
    Assignees: Samsung Display Co., Ltd., POSTECH Academy-Industry Foundation
    Inventors: Dae Hyun Kim, Jong Hyuk Kang, Hyun Deok Im, Hyun Min Cho, Yongju Kwon, Bomi Kim, Sung-Jee Kim, Mihye Lim
  • Light emitting device and fabricating method thereof
    Patent number: 10340419
    Abstract: A light emitting device includes first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: July 2, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dae Hyun Kim, Jong Hyuk Kang, Joo Yeol Lee, Hyun Deok Im, Chi O Cho, Hyun Min Cho
  • LIGHT EMITTING DISPLAY DEVICE
    Publication number: 20190173034
    Abstract: A light emitting device includes a plurality of unit light emitting regions on a substrate. At least one of the unit light emitting regions includes at least one pair of first and second electrodes that are spaced apart, at least one first bar-type LED in a first layer on the substrate, and at least one second bar-type LED in a second layer on the substrate. At least one of the first bar-type LED or the second bar-type LED is electrically connected between the first electrode and the second electrode.
    Type: Application
    Filed: February 12, 2019
    Publication date: June 6, 2019
    Inventors: Hyun Deok IM, Jong Hyuk KANG, Dae Hyun KIM, Joo Yeol LEE, Chi O CHO, Hyun Min CHO