Patents by Inventor Do Hyun Kang

Do Hyun 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: 12238972
    Abstract: A display device includes: a substrate; a pixel defining layer disposed on the substrate and that includes a pixel opening; an emission layer that overlaps the pixel opening of the pixel defining layer; and an anti-reflection layer that overlaps the pixel defining layer along a direction perpendicular to a surface of the substrate and is disposed along a portion of an edge of the pixel opening.
    Type: Grant
    Filed: January 9, 2022
    Date of Patent: February 25, 2025
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dong-Joon Park, Do Hyun Kang, Jung Kook Park, Dong Hak Pyo
  • Patent number: 12125445
    Abstract: A display device includes at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range. In a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, and an off-duty number, which is the number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal.
    Type: Grant
    Filed: June 9, 2023
    Date of Patent: October 22, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Kook Park, Dong Wan Park, Do Hyun Kang
  • Publication number: 20240006970
    Abstract: The present disclosure relates to a double air gap surface permanent magnet synchronous motor with two controllers, and particularly, to a double air gap surface permanent magnet synchronous motor with two controllers, which doubles structures of a rotor and a stator to improve torque performance and has high efficiency and a high power density that satisfy an international efficiency class IE5 of International Electro-technical Commission (IEC) and solves failures by including individual controllers.
    Type: Application
    Filed: January 20, 2021
    Publication date: January 4, 2024
    Inventors: Jin-woo AHN, Kwang-il JEONG, Do-hyun KANG
  • Publication number: 20240000976
    Abstract: Provided herein are room-temperature phosphorescence nanoparticles, methods of preparing the same, and uses of the same.
    Type: Application
    Filed: December 3, 2021
    Publication date: January 4, 2024
    Inventors: Jinsang Kim, Yingying Zeng, Do Hyun Kang, Yannis Paulus, Van Phuc Nguyen
  • Publication number: 20230421007
    Abstract: The present disclosure relates to a double air gap surface permanent magnet synchronous motor with non-magnetic solid, and particularly, to a double air gap surface permanent magnet synchronous motor with non-magnetic solid, which doubles structures of a rotor and a stator to improve torque performance and has high efficiency and a high power density that satisfy an international efficiency class IE5 of International Electro-technical Commission (IEC) and includes a non-magnetic solid that blocks magnetic fluxes from two permanent magnets so as not to offset mutually.
    Type: Application
    Filed: January 20, 2021
    Publication date: December 28, 2023
    Inventors: Jin-woo AHN, Kwang-il JEONG, Do-hyun KANG
  • Publication number: 20230326416
    Abstract: A display device includes at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range. In a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, and an off-duty number, which is the number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 12, 2023
    Inventors: Jung Kook Park, Dong Wan Park, Do Hyun Kang
  • Patent number: 11747582
    Abstract: An optical cable including a rollable optical fiber ribbon is provided. The optical cable includes a plurality of loose tubes, and a plurality of rollable optical fiber ribbons are disposed inside each loose tube. A plurality of loose tubes are disposed at the periphery of the central strength member. The length of each rollable optical fiber ribbon disposed inside the loose tube is 1% or more longer than the length of the corresponding loose tube. Compared to an optical cable including a conventional ribbon, the optical fiber has a higher density and preferred transmission performance.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: September 5, 2023
    Assignee: TAIHAN FIBEROPTICS CO., LTD.
    Inventors: Sam Mo Jeong, Chang Ahn KiM, Do Hyun Kang, Chang Young Kim
  • Patent number: 11710460
    Abstract: A display device includes at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range. In a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, and an off-duty number, which is the number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: July 25, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jung Kook Park, Dong Wan Park, Do Hyun Kang
  • Publication number: 20230194814
    Abstract: An optical cable including a rollable optical fiber ribbon is provided. The optical cable includes a plurality of loose tubes, and a plurality of rollable optical fiber ribbons are disposed inside each loose tube. A plurality of loose tubes are disposed at the periphery of the central strength member. The length of each rollable optical fiber ribbon disposed inside the loose tube is 1% or more longer than the length of the corresponding loose tube. Compared to an optical cable including a conventional ribbon, the optical fiber has a higher density and preferred transmission performance.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 22, 2023
    Inventors: Sam Mo JEONG, Chang Ahn KIM, Do Hyun KANG, Chang Young KIM
  • Publication number: 20230065652
    Abstract: The microfluidic device capable of initiating sequential flow according to the present invention includes: a main flow path in which a suction port for sucking the fluid with a negative pressure is formed at one end; a plurality of reservoirs that supply a fluid stored therein to the main flow path through an outlet by the negative pressure applied to the suction port, and are connected to a plurality of different points of the main flow path; and a blocking element that blocks the inflow of external air to the main flow path through the outlet when all the fluid in the reservoir flows out, wherein the fluid stored in a plurality of the reservoirs may flow sequentially.
    Type: Application
    Filed: August 24, 2022
    Publication date: March 2, 2023
    Inventors: Yeong-Eun YOO, Kwanoh KIM, Do Hyun KANG, Jaesung YOON
  • Publication number: 20220328580
    Abstract: A display device includes: a substrate; a pixel defining layer disposed on the substrate and that includes a pixel opening; an emission layer that overlaps the pixel opening of the pixel defining layer; and an anti-reflection layer that overlaps the pixel defining layer along a direction perpendicular to a surface of the substrate and is disposed along a portion of an edge of the pixel opening.
    Type: Application
    Filed: January 9, 2022
    Publication date: October 13, 2022
    Inventors: Dong-Joon Park, Do Hyun Kang, Jung Kook Park, Dong Hak Pyo
  • Publication number: 20220275243
    Abstract: Provided herein are surface-functionalized substrates and methods of making said surface-functionalized substrates.
    Type: Application
    Filed: August 20, 2020
    Publication date: September 1, 2022
    Inventors: Jinsang Kim, Do Hyun Kang
  • Publication number: 20220068224
    Abstract: A display device includes at least a first luminance range and a second luminance range which includes a luminance different from the first luminance range. In a boundary area of a second dimming range corresponding to the second luminance range and which is adjacent to a first dimming range corresponding to the first luminance range, a reference luminance emitted from a pixel is maintained as a first constant luminance value, and an off-duty number, which is the number of periods in which the pixel is turned off during one frame, is gradually increased by an emission control signal.
    Type: Application
    Filed: September 2, 2021
    Publication date: March 3, 2022
    Inventors: Jung Kook PARK, Dong Wan PARK, Do Hyun KANG
  • Patent number: 10792400
    Abstract: The present invention relates to microstructure formulation techniques for botulinum toxin. The microstructure formulation techniques for botulinum toxin according to the present invention make it possible to precisely control the concentration of botulinum toxin and to alleviate the pain occurring when botulinum toxin is administered into the human body, and also enable botulinum toxin to be accurately administered to a desired position. Thus, the present invention is expected to greatly contribute to the safe and convenient medical use of botulinum toxin.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: October 6, 2020
    Assignees: Hugel Inc., Small Lab Co., Ltd.
    Inventors: Kyeong Yeop Moon, Chang Jin Lee, Dae Gun Kim, Dong Hoon Oh, Do Hyun Kang, Woo Ran Lee, Jeong Gyu Lee, Jun Jin Yoon, Juhyung Shin
  • Publication number: 20200121831
    Abstract: The present invention relates to microstructure formulation techniques for botulinum toxin. The microstructure formulation techniques for botulinum toxin according to the present invention make it possible to precisely control the concentration of botulinum toxin and to alleviate the pain occurring when botulinum toxin is administered into the human body, and also enable botulinum toxin to be accurately administered to a desired position. Thus, the present invention is expected to greatly contribute to the safe and convenient medical use of botulinum toxin.
    Type: Application
    Filed: November 20, 2019
    Publication date: April 23, 2020
    Applicants: Hugel Inc., Small Lab Co., Ltd.
    Inventors: Kyeong Yeop MOON, Chang Jin LEE, Dae Gun KIM, Dong Hoon OH, Do Hyun KANG, Woo Ran LEE, Jeong Gyu LEE, Jun Jin YOON, Juhyung SHIN
  • Patent number: 10525111
    Abstract: The present invention relates to microstructure formulation techniques for botulinum toxin. The microstructure formulation techniques for botulinum toxin according to the present invention make it possible to precisely control the concentration of botulinum toxin and to alleviate the pain occurring when botulinum toxin is administered into the human body, and also enable botulinum toxin to be accurately administered to a desired position. Thus, the present invention is expected to greatly contribute to the safe and convenient medical use of botulinum toxin.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: January 7, 2020
    Assignees: Hugel, Inc., Small Lab Co., Ltd.
    Inventors: Kyeong Yeop Moon, Chang Jin Lee, Dae Gun Kim, Dong Hoon Oh, Do Hyun Kang, Woo Ran Lee, Jeong Gyu Lee, Jun Jin Yoon
  • Publication number: 20190111119
    Abstract: The present invention relates to microstructure formulation techniques for botulinum toxin. The microstructure formulation techniques for botulinum toxin according to the present invention make it possible to precisely control the concentration of botulinum toxin and to alleviate the pain occurring when botulinum toxin is administered into the human body, and also enable botulinum toxin to be accurately administered to a desired position. Thus, the present invention is expected to greatly contribute to the safe and convenient medical use of botulinum toxin.
    Type: Application
    Filed: October 12, 2017
    Publication date: April 18, 2019
    Inventors: Kyeong Yeop Moon, Chang Jin Lee, Dae Gun Kim, Dong Hoon Oh, Do Hyun Kang, Woo Ran Lee, Jeong Gyu Lee, Jun Jin Yoon
  • Patent number: 9246376
    Abstract: Disclosed herein is a linear, curved or rotary electric machine. The electric machine includes first and second movers which are adjacent to each other and have a phase angle difference of 60° therebetween. The first mover includes phases U, V and W and the second mover includes phases /U, /V and /W. The electric machine of the present invention can reduce pulsations of thrust caused by end effect. In particular, in the case where the stator includes permanent magnets having the same poles and salient poles which alternate with the permanent magnets, the number of permanent magnets used can be reduced to half of that of a conventional linear electric machine.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: January 26, 2016
    Assignee: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Shi Uk Chung, Do Hyun Kang, Byung Chul Woo, Ji Won Kim, Ji Young Lee, Seung Ryul Moon
  • Publication number: 20140035393
    Abstract: Disclosed herein is a linear, curved or rotary electric machine. The electric machine includes first and second movers which are adjacent to each other and have a phase angle difference of 60° therebetween. The first mover includes phases U, V and W and the second mover includes phases /U, /V and /W. The electric machine of the present invention can reduce pulsations of thrust caused by end effect. In particular, in the case where the stator includes permanent magnets having the same poles and salient poles which alternate with the permanent magnets, the number of permanent magnets used can be reduced to half of that of a conventional linear electric machine.
    Type: Application
    Filed: October 9, 2013
    Publication date: February 6, 2014
    Applicant: KOREA ELECTROTECHNOLOGY RESEARCH INSTITUTE
    Inventors: Shi Uk CHUNG, Do Hyun KANG, Byung Chul WOO, Ji Won KIM, Ji Young LEE, Seung Ryul MOON
  • Patent number: 8624446
    Abstract: Disclosed herein is a linear, curved or rotary electric machine. The electric machine includes first and second movers which are adjacent to each other and have a phase angle difference of 60° therebetween. The first mover includes phases U, V and W and the second mover includes phases /U, /V and /W. The electric machine of the present invention can reduce pulsations of thrust caused by end effect. In particular, in the case where the stator includes permanent magnets having the same poles and salient poles which alternate with the permanent magnets, the number of permanent magnets used can be reduced to half of that of a conventional linear electric machine.
    Type: Grant
    Filed: June 9, 2010
    Date of Patent: January 7, 2014
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Shi Uk Chung, Do Hyun Kang, Byung Chul Woo, Ji Won Kim, Ji Young Lee, Seung Ryul Moon