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).

  • Patent number: 10803790
    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: Grant
    Filed: November 14, 2018
    Date of Patent: October 13, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Min Cho, Sung Chul Kim, Hye Yong Chu, Jong Hyuk Kang, Dae Hyun Kim, Keun Kyu Song, Hyun Deok Im
  • Publication number: 20200313107
    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: June 16, 2020
    Publication date: October 1, 2020
    Inventors: Hyun Deok IM, Jong Hyuk KANG, Dae Hyun KIM, Joo Yeol LEE, Chi O CHO, Hyun Min CHO
  • Publication number: 20200286947
    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: May 22, 2020
    Publication date: September 10, 2020
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jong Hyuk KANG, Hyun Min CHO, Dae Hyun KIM, Joo Yeol LEE, Hyun Deok IM
  • Publication number: 20200266422
    Abstract: Provided is a lithium secondary battery. The lithium secondary battery includes a negative electrode including a negative electrode active material layer, wherein the negative electrode active material layer includes a mixed negative electrode active material including graphite particles and low crystalline carbon-based particles, and the negative electrode active material layer has an apex of an exothermic peak in a temperature range of no less than 370° C. and no more than 390° C., as measured by differential scanning calorimetry (DSC).
    Type: Application
    Filed: February 14, 2020
    Publication date: August 20, 2020
    Inventors: Jong Hyuk LEE, Dock Young YOON, Hee Gyoung KANG
  • 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
  • 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
  • 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
  • Patent number: 10603868
    Abstract: The present invention relates to a melt-blown fiber web having improved elasticity and cohesion, and a manufacturing method therefor. The objective of the present invention is accomplished by a melt-blown fiber web comprising a thermoplastic resin which comprises 10 to 60 wt % of thermoplastic resin microfibers and 40 to 90 wt % of non-circular cross-sectional hollow conjugated staple fibers with respect to the total weight of the fiber web.
    Type: Grant
    Filed: November 23, 2018
    Date of Patent: March 31, 2020
    Assignee: IKSUNG CO., LTD.
    Inventors: Hun Joo Lee, Kee Wook Yang, Jong Hyuk Cha, Gue Ssuk Kang, Chang Hyeon Kim
  • 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
  • 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
  • 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
  • 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
  • Patent number: 10525665
    Abstract: A waved meltblown fiber web of the present invention relates to a fiber web prepared by a meltblown method and is characterized by a preparation method in which a meltblown microfiber comes in contact with collection portions having different surface velocities so as to be collected. The waved meltblown fiber web of the present invention is characterized in that: a part of meltblown microfibers reaches a low velocity collection portion so as to be horizontally layered, thereby forming a horizontal fiber layer (10); another part of the meltblown microfibers reaches a high velocity collection portion of which the surface velocity is greater that of the low velocity collection portion so as to form a serpentine vertical fiber layer (20); and the upper end of the vertical fiber layer (20) becomes entangled so as to form a wave shaped wave layer (30) forming the uppermost portion of the fiber web.
    Type: Grant
    Filed: January 8, 2018
    Date of Patent: January 7, 2020
    Assignees: IKSUNG CO., LTD.
    Inventors: Hun Joo Lee, Kee Wook Yang, Jong Hyuk Cha, Gue Ssuk Kang, Chang Hyeon Kim
  • 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
  • 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
  • Publication number: 20190372064
    Abstract: The present invention provide a pouch type secondary battery and a method for manufacturing the same. More particularly, the present invention provides a pouch type secondary battery and a method for manufacturing the same, in which a pouch case is formed in a folding manner without being subjected to a forming process (press process), such that there is no limit in a length, and a thickness of an inner space of the pouch case is not limited.
    Type: Application
    Filed: June 3, 2019
    Publication date: December 5, 2019
    Inventors: Jong Hyuk LEE, Hee Gyoung KANG, Dock Young YOON
  • 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
  • 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
  • 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
  • Publication number: 20190292339
    Abstract: The present disclosure is an acryl film formed from a main dope solution including an acryl resin shown in the following formula 1 and CSR particles, and peel strength measured in peeling speed of 0.5 mpm is 20 gf/2 inch or less, tear strength is 6 gf or more, has excellent peel strength, thereby visual stain by thickness unevenness is improved, and having excellent tear strength and good brittleness. a and b are an integer and 1 or more. MMA-BMA wherein, MMA is methyl methacrylate unit and BMA is butyl methacrylate unit.
    Type: Application
    Filed: June 18, 2018
    Publication date: September 26, 2019
    Inventors: Young Soo KIM, Kyung Soo KIM, Ho Jun LEE, Hyun Woo CHOI, Hyeok Mo KANG, Hyun Suk CHUNG, Bong Choon KIM, Jong Hyuk EUN