Patents by Inventor Han Sub Ryu

Han Sub Ryu 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: 11973265
    Abstract: An antenna device according to an embodiment of the present disclosure includes a dielectric layer, a first electrode layer disposed on an upper surface of the dielectric layer, the first electrode layer including a radiator and having a first mesh structure, and a second electrode layer disposed on a lower surface of the dielectric layer, the second electrode layer having a second mesh structure. The first mesh structure and the second mesh structure are aligned to be offset or staggered from each other with respect to the dielectric layer in a planar view.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: April 30, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Han Sub Ryu, Dong Pil Park, Yun Seok Oh
  • Patent number: 11955693
    Abstract: An antenna package according to an embodiment of the present disclosure includes a first antenna device including a first antenna unit, a first circuit board electrically connected to the first antenna unit, a second circuit board electrically connected to the first circuit board, a second antenna unit integrated with the second circuit board, and an antenna driving integrated circuit chip mounted on the second circuit board and electrically connected to the first antenna unit and the second antenna unit. Multi-axial radiation is implemented using the antenna package with high efficiency and reliability.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: April 9, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Jin Choi, Na Yeon Kim, Han Sub Ryu, Dong Pil Park
  • Patent number: 11955704
    Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, an antenna unit disposed on a top surface of the dielectric layer, the antenna unit including a radiator and a transmission line connected to the radiator, a dummy electrode separated from the antenna unit on the top surface of the dielectric layer, the dummy electrode at least partially surrounding the antenna unit, and a blocking pattern arranged around the antenna unit in the dummy electrode. Radiation interruption from the dummy electrode is prevented by the blocking pattern to improve radiation reliability.
    Type: Grant
    Filed: October 4, 2021
    Date of Patent: April 9, 2024
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Yoon Ho Huh, Jong Min Kim, Han Sub Ryu, Won Bin Hong
  • Patent number: 11955697
    Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, a radiator and a dummy electrode. The radiator is disposed on the upper surface of the dielectric layer. The radiator includes a first mesh structure, and the first mesh structure includes a first antenna electrode line and a second antenna electrode line which cross each other. The dummy electrode is spaced apart from the radiator by the separation region on the upper surface of the dielectric layer. The dummy electrode includes a second mesh structure, and the second mesh structure includes a first dummy electrode line and a second dummy electrode line which cross each other. A spacing distance between the first dummy electrode line and the radiator is different from a spacing distance between the second dummy electrode line and the radiator at the separation region.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: April 9, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Young Jun Lee, Han Sub Ryu, Gi Hwan Ahn
  • Patent number: 11870150
    Abstract: An antenna package according to an exemplary embodiment of the present invention includes a first antenna device which includes a first antenna unit including a first radiator, a second antenna device which includes a second antenna unit including a second radiator whose polarization direction is perpendicular to the first radiator, a first circuit board electrically connected with the first antenna unit, a second circuit board electrically connected with the second antenna unit, and a third circuit board on which at least one antenna driving integrated circuit (IC) chip electrically and independently connected to the first circuit board and the second circuit board is mounted. By supplying power to two antenna devices having different polarization directions, respectively, signal interference and signal loss may be prevented, and dual polarization may be implemented.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: January 9, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Young Ju Kim, Dong Pil Park, Byung Jin Choi, Han Sub Ryu, Ho Dong Yoon
  • Patent number: 11870129
    Abstract: An antenna element according to an exemplary embodiment includes a radiation body, a first transmission line extending from the radiation body in a first direction, a second transmission line extending from the radiation body in a second direction, a first signal pad extending from an end of the first transmission line in the first direction, and a second signal pad extending from an end of the second transmission line in the second direction.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: January 9, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Jin Choi, Han Sub Ryu, Won Hee Lee, Jae Hyun Lee
  • Patent number: 11815964
    Abstract: An antenna structure of an embodiment of the present invention includes a film antenna including a dielectric layer and an antenna electrode layer formed on an upper surface of the dielectric layer, and a flexible circuit board including a power supply wiring electrically connected to the antenna electrode layer. A bonding region is defined by a region in which the antenna electrode layer and the power supply wiring are overlapped with each other in a planar direction, and the bonding region has a length of 1.5 mm or less. Signal efficiency and radiation reliability may be improved by adjusting a length of the bonding region.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: November 14, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jong Min Kim, Han Sub Ryu, Dong Pil Park
  • Patent number: 11791539
    Abstract: An antenna structure according to an embodiment of the present invention includes a film antenna including a dielectric layer, an upper electrode layer disposed on an upper surface of the dielectric layer and including a radiation pattern, a transmission line, and a ground pad, and a lower ground layer disposed on a lower surface of the dielectric layer, and a flexible circuit board including a core layer, a power supply wiring layer disposed on a lower surface of the core layer and electrically connected to the transmission line, and a ground plate disposed on an upper surface of the core layer and disposed in overlapping with the power supply wiring layer in a planar direction. Thereby, it is possible to reduce a radiation signal generated from the power supply wiring through the ground plate, suppress a noise of the antenna and increase radiation efficiency.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: October 17, 2023
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Jong Min Kim, Han Sub Ryu, Dong Pil Park, Won Bin Hong
  • Publication number: 20230328887
    Abstract: An antenna structure according to an embodiment includes an antenna device, a circuit board connected to the antenna device and including an inner insulation layer, and an outer insulation layer formed on the antenna device to cover the antenna unit and a portion of the circuit board. A portion of the inner insulation layer covered by the outer insulation layer may have a smaller thickness than a thickness of a portion of the inner insulation layer not covered by the outer insulation layer.
    Type: Application
    Filed: April 7, 2023
    Publication date: October 12, 2023
    Inventors: Na Yeon KIM, Dae Kyu KIM, Han Sub RYU
  • Publication number: 20230327322
    Abstract: An antenna structure according to an embodiment includes an antenna device including an antenna unit, a circuit board electrically connected to the antenna unit, an insulating layer covering the antenna device and a portion of the circuit board, and an air layer formed between the antenna device and the insulating layer to partially cover the antenna unit.
    Type: Application
    Filed: April 7, 2023
    Publication date: October 12, 2023
    Inventors: Dae Kyu KIM, In Kak SONG, Han Sub RYU
  • Patent number: 11764458
    Abstract: An antenna package according to an embodiment of the present disclosure includes an antenna device including an antenna unit, and a first circuit board electrically connected to the antenna device. The first circuit board includes a first core layer, a first circuit wiring layer formed on one surface of the first core layer and electrically connected to the antenna unit, a first connector connected to an end portion of the first circuit wiring layer on the one surface of the first core layer, and a first shielding barrier disposed on the other surface opposite to the one surface of the first core layer. The first shielding barrier at least partially covers the first connector in a planar view.
    Type: Grant
    Filed: November 15, 2021
    Date of Patent: September 19, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Jin Choi, Na Yeon Kim, Young Ju Kim, Han Sub Ryu
  • Patent number: 11710889
    Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, a radiation pattern disposed on a top surface of the dielectric layer, a signal pad electrically connected to the radiation pattern, and a ground pad spaced apart from the signal pad and having an isolation space. A length of the isolation space is greater than a length of the signal pad.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: July 25, 2023
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Han Sub Ryu, Yun Seok Oh, Yoon Ho Huh, Won Bin Hong
  • Patent number: 11710891
    Abstract: An antenna structure according to an embodiment of the present invention includes a dielectric layer, a radiator disposed on the dielectric layer, a transmission line branching from the radiator, a signal pad electrically connected to the radiator through the transmission line on the dielectric layer, and an external circuit structure bonded to the signal pad. The signal pad includes a bonding region that is bonded to the external circuit structure and a margin region that is not bonded to the external circuit structure and is adjacent to the bonding region. An area ratio of the margin region relative to the bonding region in the signal pad is 0.05 or more and less than 0.5.
    Type: Grant
    Filed: January 4, 2022
    Date of Patent: July 25, 2023
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Han Sub Ryu, Na Yeon Kim, Byung Jin Choi
  • Publication number: 20230231294
    Abstract: An antenna package includes a first antenna device including a first antenna unit, a second antenna device disposed at a level different from that of the first antenna device, the second antenna device including a second antenna unit that has a radiation direction different from that of the first antenna unit, a first circuit board electrically connected to the first antenna unit, a second circuit board electrically connected to the second antenna unit, and a third circuit board electrically and independently connected to the first circuit board and the second circuit board, the third circuit board having at least one antenna driving integrated circuit (IC) chip mounted thereon.
    Type: Application
    Filed: March 23, 2023
    Publication date: July 20, 2023
    Inventors: Young Ju KIM, Dong Pil PARK, Byung Jin CHOI, Na Yeon KIM, Han Sub RYU
  • Publication number: 20230231298
    Abstract: An antenna package according to an embodiment includes an antenna device comprising an antenna unit, and a connector electrically connected to the antenna unit. The connector includes an insulator having a dielectric constant from 2 to 3.5 and a loss tangent from 0.0015 to 0.007 measured by a resonance method at 10 GHz, and a conductive connection structure insulated by the insulator and electrically connected to the antenna unit.
    Type: Application
    Filed: March 17, 2023
    Publication date: July 20, 2023
    Inventors: Byung Jin CHOI, Han Sub RYU, Dong Pil PARK
  • Publication number: 20230070750
    Abstract: An apparatus for inspecting an antenna includes a stage including a ground on which an antenna device is disposed, an inspection board configured to be in contact with and connected to the antenna device, a connection maintaining unit for maintaining a contact and connection between the antenna device and the inspection board, and an inspection unit mounted or connected to the inspection board to inspect the antenna device.
    Type: Application
    Filed: November 14, 2022
    Publication date: March 9, 2023
    Inventors: Han Sub RYU, Dong Pil PARK, Byung Jin CHOI
  • Publication number: 20220393335
    Abstract: An antenna stack structure according to an embodiment includes a protective layer, and an antenna electrode layer formed directly on a surface of the protective layer. The antenna electrode layer includes a first electrode layer and a second electrode layer having a lower reflectance than that of the first electrode layer. A visual recognition of electrode are prevented by the second electrode layer.
    Type: Application
    Filed: August 10, 2022
    Publication date: December 8, 2022
    Inventors: Han Sub RYU, Yu Mi AHN, Ho Dong YOON, Won Hee LEE, Jae Hyun LEE
  • Patent number: 11431095
    Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, a first electrode layer disposed on a top surface of the dielectric layer, the first electrode layer including a radiation pattern, a second electrode layer disposed on a bottom surface of the dielectric layer, and a flexible circuit board connecting the first electrode layer and the second electrode layer with each other along a lateral portion of the dielectric layer. Efficiency of grounding and noise removing may be improved by the flexible circuit board.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: August 30, 2022
    Assignees: DONGWOO FINE-CHEM CO., LTD., KREEMO INC.
    Inventors: Yoon Ho Huh, Han Sub Ryu, Byung Jin Choi, Won Bin Hong
  • Publication number: 20220271412
    Abstract: An antenna element according to an exemplary embodiment includes a radiation body, a first transmission line extending from the radiation body in a first direction, a second transmission line extending from the radiation body in a second direction, a first signal pad extending from an end of the first transmission line in the first direction, and a second signal pad extending from an end of the second transmission line in the second direction.
    Type: Application
    Filed: February 9, 2022
    Publication date: August 25, 2022
    Inventors: Byung Jin CHOI, Han Sub RYU, Won Hee LEE, Jae Hyun LEE
  • Patent number: 11424529
    Abstract: An antenna structure includes a dielectric layer, a radiation pattern on the dielectric layer and a signal pad on the dielectric layer. The signal pad includes a bonding region that is electrically connected to the radiation pattern and is configured to be bonded to an external circuit structure, and a margin region adjacent to the bonding region. Impedance mismatching is prevented by the margin region so that radiation efficiency is improved.
    Type: Grant
    Filed: April 20, 2020
    Date of Patent: August 23, 2022
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Han Sub Ryu, Yun Seok Oh, Young Jun Lee, Won Bin Hong