Patents by Inventor Ji Hun Kang

Ji Hun 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).

  • Publication number: 20250212558
    Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on a driving current.
    Type: Application
    Filed: February 20, 2025
    Publication date: June 26, 2025
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Yong Hyun BAEK, Ji Hun KANG, Chae Hon KIM, Ji Hoon PARK, So Ra LEE
  • Publication number: 20250136465
    Abstract: The present specification relates to a method of preparing a positive electrode active material for a lithium secondary battery, and more particularly, to a positive electrode active material for a lithium secondary battery with excellent electrical conductivity and energy density, a method of preparing the same, and a positive electrode and a secondary battery including the same.
    Type: Application
    Filed: October 2, 2024
    Publication date: May 1, 2025
    Applicant: ECOPRO BM CO., LTD.
    Inventors: Dong Hyun LYU, Bo Hyun KONG, Joung Hee LEE, Sang Hwan KIM, Ji Won KIM, Ji Hun KANG, Min Ji KIM
  • Publication number: 20250136466
    Abstract: The present specification relates to a method of preparing a positive electrode active material for a lithium secondary battery, and more particularly, to a positive electrode active material for a lithium secondary battery with excellent electrical conductivity and energy density, a method of preparing the same, and a positive electrode and a secondary battery including the same.
    Type: Application
    Filed: October 2, 2024
    Publication date: May 1, 2025
    Applicant: ECOPRO BM CO., LTD.
    Inventors: Ji Won KIM, Bo Hyun KONG, Joung Hee LEE, Sang Hwan KIM, Ji Hun KANG, Dong Hyun LYU, Min Ji KIM
  • Publication number: 20250105553
    Abstract: The present invention may provide a plug for an RF coaxial cable, to which the RF coaxial cable is coupled, comprising: a first body in which the RF coaxial cable is inserted; a first conductor disposed in the first body; a coupling nut which is arranged on the outside of the first body and rotatably coupled to the first body; and a first magnet of an annular shape which is fixed in the coupling nut and rotated along with the coupling nut, wherein the first magnet has a first pole and a second pole having different polarities which are alternately arranged in the circumferential direction.
    Type: Application
    Filed: June 30, 2022
    Publication date: March 27, 2025
    Inventors: Byoung Nam KIM, Kyoung II KANG, Joung Min PARK, Jong Hyup LIM, Ji Hun KANG, Ga Young CHUN
  • Patent number: 12250839
    Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on a driving current.
    Type: Grant
    Filed: December 6, 2023
    Date of Patent: March 11, 2025
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Yong Hyun Baek, Ji Hun Kang, Chae Hon Kim, Ji Hoon Park, So Ra Lee
  • Publication number: 20250051811
    Abstract: The present application relates to a method for preparing amino acid granules from a fermentation broth, wherein the prepared amino acid granules contain no cells.
    Type: Application
    Filed: December 26, 2022
    Publication date: February 13, 2025
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Min Kyung KWON, Jihyun SHIN, Jong Hyun KIM, Sang Min PARK, Ji-hun KANG, Min Sup KIM
  • Publication number: 20250022984
    Abstract: A light emitting diode includes an n-type nitride semiconductor layer, a V-pit generation layer located over the n-type nitride semiconductor layer and having a V-pit, an active layer located on the V-pit generation layer, and a p-type nitride semiconductor layer located on the active layer. The active layer includes a well layer, which includes a first well layer portion formed along a flat surface of the V-pit generation layer and a second well layer portion formed in the V-pit of the V-pit generation layer. The active layer emits light having at least two peak wavelengths at a single chip level.
    Type: Application
    Filed: September 26, 2024
    Publication date: January 16, 2025
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Yong Hyun BAEK, Ji Hun KANG, Chae Hon KIM, Ji Hoon PARK
  • Publication number: 20240387770
    Abstract: A light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The active layer has a single structure of a multi-quantum well in which a plurality of barrier layers and a plurality of well layers are stacked, and the active layer emits white light.
    Type: Application
    Filed: July 29, 2024
    Publication date: November 21, 2024
    Inventors: Yong Hyun BAEK, Ji Hun KANG, Chae Hon KIM, Ji Hoon PARK
  • Patent number: 12125945
    Abstract: A light emitting diode includes an n-type nitride semiconductor layer, a V-pit generation layer located over the n-type nitride semiconductor layer and having a V-pit, an active layer located on the V-pit generation layer, and a p-type nitride semiconductor layer located on the active layer. The active layer includes a well layer, which includes a first well layer portion formed along a flat surface of the V-pit generation layer and a second well layer portion formed in the V-pit of the V-pit generation layer. The active layer emits light having at least two peak wavelengths at a single chip level.
    Type: Grant
    Filed: January 16, 2023
    Date of Patent: October 22, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Yong Hyun Baek, Ji Hun Kang, Chae Hon Kim, Ji Hoon Park
  • Patent number: 12095001
    Abstract: A light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The active layer has a single structure of a multi-quantum well in which a plurality of barrier layers and a plurality of well layers are stacked, and the active layer emits white light.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: September 17, 2024
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Yong Hyun Baek, Ji Hun Kang, Chae Hon Kim, Ji Hoon Park
  • Publication number: 20240139765
    Abstract: The present disclosure is to provide an apparatus for dispensing droplets. Provided is an apparatus for dispensing droplets, the apparatus including: a stage on which a substrate is disposed and spraying holes are disposed; a substrate moving unit for moving the substrate disposed on the stage in a first direction; a droplet dispensing unit disposed in a vertical direction above the substrate; and a droplet dispensing unit moving unit moving the droplet dispensing unit in a second direction, perpendicular to the first direction on a horizontal plane, the apparatus, further including: a distance measuring unit measuring a distance from a substrate in the vertical direction; and a control unit, wherein the control unit measures a distance between the distance measuring unit and the substrate through the distance measuring unit while moving the substrate through the substrate moving unit.
    Type: Application
    Filed: March 24, 2023
    Publication date: May 2, 2024
    Inventor: Ji Hun KANG
  • Publication number: 20240136467
    Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on a driving current.
    Type: Application
    Filed: December 6, 2023
    Publication date: April 25, 2024
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Yong Hyun BAEK, Ji Hun KANG, Chae Hon KIM, Ji Hoon PARK, So Ra LEE
  • Publication number: 20240051984
    Abstract: Provided is a method of preparing disodium 5?-guanylate heptahydrate crystals from an aqueous 5?-guanylic acid solution.
    Type: Application
    Filed: September 21, 2020
    Publication date: February 15, 2024
    Inventors: Jung Hwa CHOI, Min Jong KIM, Chang Yub OH, Hwa Yeon LIM, Seok Hyun KANG, Yu Shin KIM, Ji Hun KANG, Il Chul KIM, Jae Hun YU
  • Patent number: 11843076
    Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on a driving current.
    Type: Grant
    Filed: April 3, 2023
    Date of Patent: December 12, 2023
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Yong Hyun Baek, Ji Hun Kang, Chae Hon Kim, Ji Hoon Park, So Ra Lee
  • Publication number: 20230392175
    Abstract: The present disclosure relates to a method for preparing an amino acid mixed solid, including a first step of preparing an amino acid mixed solution containing an amino acid; a second step of stirring the amino acid mixed solution to form a thin film, and drying and pulverizing the formed thin film to prepare wet granules; and a third step of drying the wet granules to prepare an amino acid mixed solid in a granular formulation, wherein, the second step is conducted for drying the amino acid mixed solution so that a solid concentration in the wet granules is within a granulation concentration range.
    Type: Application
    Filed: October 29, 2021
    Publication date: December 7, 2023
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Daeyoung JEONG, In Sung LEE, Won Sik GWAK, Jae Hun YU, Min Kyung KWON, Jin Tae HONG, Ji-hun KANG
  • Publication number: 20230335673
    Abstract: A light emitting diode and a light emitting device having the same, in which the light emitting diode can include a first conductivity type semiconductor layer; a second conductivity type semiconductor layer; a lower active layer disposed there between; and an upper active layer disposed between the lower active layer and the second conductivity type semiconductor layer. The lower active layer can emit light having a wavelength shorter than that of the upper active layer, the upper active layer can include a plurality of well layers and a plurality of barrier layers, at least one of the plurality of barrier layers can include a first barrier layer and a second barrier layer having an n-type impurity doping concentration lower than that of the first barrier layer, and the first barrier layer can be closer to the first conductivity type semiconductor layer than the second barrier layer.
    Type: Application
    Filed: March 10, 2023
    Publication date: October 19, 2023
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Dae Hong MIN, Yong Hyun BAEK, Ji Hun KANG
  • Publication number: 20230299229
    Abstract: A display apparatus includes multiple pixels. The pixels can emit one or more colors of light. Light of the same color emitted by two or more of the pixels can have wavelengths that differ by no more than one percent. The pixels can include a stacked structure including two or more subpixels, with each subpixel emitting light of a different color than the other subpixels in the stacked structure.
    Type: Application
    Filed: May 22, 2023
    Publication date: September 21, 2023
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Ji Hoon PARK, Ji Hun KANG, Chae Hon KIM, Yong Hyun BAEK, Hyo Shik CHOI
  • Publication number: 20230246122
    Abstract: A lighting apparatus includes a light emitting diode, in which the light emitting diode includes an n-type nitride semiconductor layer, an active layer located on the n-type nitride semiconductor layer, and a p-type nitride semiconductor layer located on the active layer. The light emitting diode emits light that varies from yellow light to white light depending on a driving current.
    Type: Application
    Filed: April 3, 2023
    Publication date: August 3, 2023
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Yong Hyun BAEK, Ji Hun KANG, Chae Hon KIM, Ji Hoon PARK, So Ra LEE
  • Publication number: 20230240332
    Abstract: The present application relates to a method for preparing amino acid granules from a fermentation broth and amino acid granules prepared by way of this method.
    Type: Application
    Filed: June 25, 2021
    Publication date: August 3, 2023
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Min Kyung Kwon, In Sung Lee, Won Sik Gwak, Jae Hun Yu, Jin Tae Hong, Ji-hun Kang
  • Publication number: 20230215977
    Abstract: A light emitting diode includes an n-type nitride semiconductor layer, a V-pit generation layer located over the n-type nitride semiconductor layer and having a V-pit, an active layer located on the V-pit generation layer, and a p-type nitride semiconductor layer located on the active layer. The active layer includes a well layer, which includes a first well layer portion formed along a flat surface of the V-pit generation layer and a second well layer portion formed in the V-pit of the V-pit generation layer. The active layer emits light having at least two peak wavelengths at a single chip level.
    Type: Application
    Filed: January 16, 2023
    Publication date: July 6, 2023
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Yong Hyun BAEK, Ji Hun KANG, Chae Hon KIM, Ji Hoon PARK