Patents by Inventor Dong-pil Park

Dong-pil Park 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: 12272869
    Abstract: An antenna structure according to an embodiment of the present invention includes a first antenna unit including a first radiator, a first transmission line connected to the first radiator, and a guide pattern disposed around the first transmission line and separated from the first transmission line, a second antenna unit at least partially covered by the guide pattern of the first antenna unit in a plan view, and a dielectric layer interposed between the first antenna unit and the second antenna unit. An antenna structure implementing low-frequency and high-frequency properties with high reliability is provided.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: April 8, 2025
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Young Ju Kim, Yoon Ho Huh, Hee Jun Park, Young Su Lee, In Kak Song, Dong Pil Park
  • Patent number: 12244059
    Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, a first radiator disposed on the dielectric layer in a first direction, a second radiator formed in a shape different from that of the first radiator and disposed on the dielectric layer in a second direction, a first transmission line which extends in the first direction to be connected to the first radiator, and a second transmission line which extends in the second direction to be connected to the second radiator, and intersects the first transmission line with being physically or electrically spaced apart therefrom.
    Type: Grant
    Filed: December 8, 2022
    Date of Patent: March 4, 2025
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Jae Hyun Lee, Dong Pil Park, Won Hee Lee, Hee Jun Park, Won Bin Hong
  • Patent number: 12230872
    Abstract: An antenna device according to an embodiment includes a dielectric layer, a rhombus-shaped first radiator disposed on an upper surface of the dielectric layer, a transmission line connected to the first radiator, a signal pad connected to one end of the transmission line, ground pads disposed around the signal pad, and second radiators extending from the ground pad along lower sides of the first radiator.
    Type: Grant
    Filed: December 9, 2022
    Date of Patent: February 18, 2025
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Hee Jun Park, Dong Pil Park, Jae Hyun Lee
  • Patent number: 12230924
    Abstract: A connector structure according to an embodiment of the present disclosure includes a second connector and a first connector coupled to the second connector. The first connector includes a first insulator, a first conductive connection terminal disposed on the first insulator, a second conductive connection terminal spaced apart from the first conductive connection terminal to form a single row structure on the first insulator together with the first conductive connection terminal, and a first barrier structure disposed between the first conductive connection terminal and the second conductive connection terminal on the first insulator.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: February 18, 2025
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Young Ju Kim, Byung Jin Choi, Han Sub Ryu, Na Yeon Kim, Dong Pil Park, Jae Hyun Lee
  • Patent number: 12228599
    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: Grant
    Filed: November 14, 2022
    Date of Patent: February 18, 2025
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Han Sub Ryu, Dong Pil Park, Byung Jin Choi
  • Patent number: 12207394
    Abstract: A circuit board according to an embodiment includes a core layer including a first region and a second region, and antenna power supply wirings disposed on the core layer over the first region and the second region. The antenna power supply wirings may include a first portion extending in a first direction in the first region, a second portion extending in a second direction in the first region, and a third portion extending in the first direction in the second region, and an interval between the neighboring second portions of the antenna power supply wirings is 3 times or less of an interval between the neighboring third portions of the antenna power supply wirings.
    Type: Grant
    Filed: February 27, 2023
    Date of Patent: January 21, 2025
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Byung Jin Choi, Young Ju Kim, Dong Pil Park, Won Bin Hong
  • Patent number: 12142848
    Abstract: An antenna package according to an embodiment of the present invention includes a printed circuit board, a rear antenna unit disposed at an upper portion of the printed circuit board. The rear antenna unit may be directly mounted on the printed circuit board or integrated with the printed circuit board, and a front antenna unit disposed at a bottom side of the printed circuit board and electrically connected to the printed circuit board. The rear antenna unit and the front antenna unit are packaged using the printed circuit board to improve a radiation coverage and reliability.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: November 12, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jong Min Kim, Dong Pil Park, Young Jun Lee
  • Patent number: 12113923
    Abstract: A touch sensor includes a sensing cell part having a plurality of sensing cells, a wiring part having a plurality of wires for transmitting a sensing signal of the sensing cell part, and a pad electrode part having a plurality of pad electrodes for transmitting the sensing signal received from the wiring part to an flexible printed circuits board (FPCB), and is coupled to a rear glass of a portable terminal.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: October 8, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jongmin Kim, Dong Pil Park, Jaehyun Lee
  • Patent number: 12100887
    Abstract: An image display device according to an embodiment of the present invention includes a printed circuit board, an antenna mounted on the printed circuit board, a display panel disposed on the printed circuit board, and a transmission line disposed on the display panel and electrically connected to the antenna. The transmission line is disposed on the display panel to shorten a signal path and reduce noises.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: September 24, 2024
    Assignees: DONGWOO FINE-CHEM CO., LTD., KREEMO INC.
    Inventors: Dong Pil Park, Yun Seok Oh, Yoon Ho Huh, Won Bin Hong
  • Patent number: 12099670
    Abstract: An antenna-inserted electrode structure according to an embodiment includes a substrate layer having a touch sensing region and an antenna-touch sensing region, first sensing electrodes arranged on the touch sensing region of the substrate layer, second sensing electrodes arranged on the antenna-touch sensing region of the substrate layer, and an antenna unit spaced apart from the second sensing electrodes on the antenna-touch sensing region of the substrate layer. The antenna unit and the second sensing electrodes include a conductive material having a lower resistance than that of the first sensing electrodes.
    Type: Grant
    Filed: February 1, 2023
    Date of Patent: September 24, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Byung Jin Choi, Dong Pil Park, Jae Hyun Lee
  • Patent number: 12082341
    Abstract: A printed circuit board according to an embodiment of the present invention includes a core layer and a circuit wiring layer disposed on a top surface of the core layer. The core layer is spaced apart from the circuit wiring layer and includes through-holes formed around the circuit wiring layer. Flexibility of the printed circuit board may be enhanced by the through-hole to obtain bending stability.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: September 3, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Dong Pil Park, Byung Jin Choi, Na Yeon Kim
  • Patent number: 12062851
    Abstract: An antenna device according to embodiments 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, and a reflective pattern electrically and physically separated from the antenna unit and disposed on the top surface of the dielectric layer together with the antenna unit. A frequency or signal transfer between different communication devices can be implemented through the reflective pattern.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: August 13, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Yun Seok Oh, Dong Pil Park, Seung Hyun Shin
  • Patent number: 12046836
    Abstract: An antenna structure according to an embodiment of the present disclosure includes an antenna unit array including a plurality of antenna units, and a parasitic element disposed to be adjacent to the antenna units and to be electrically and physically separated from the antenna units. Each of the antenna units includes a radiator, and a transmission line including a first transmission line and a second transmission line connected to the radiator in different directions. The parasitic element includes a first parasitic element disposed between the first transmission line and the second transmission line included in the same antenna unit, and a second parasitic element disposed between the first transmission line and the second transmission line included in different neighboring antenna units. The second parasitic element includes a branched portion including a first branched portion and a second branched portion bent in different directions.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: July 23, 2024
    Assignees: DONGWOO FINE-CHEM CO., LTD., KREEMO INC.
    Inventors: Won Hee Lee, Dong Pil Park, Young Sub Son, In Seok Jang, Beak Jun Seong, Jung Woo Lee, Seong Tae Jeong, In Kyung Hong, John Joonho Park
  • Patent number: 12040540
    Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer and a plurality of antenna units arranged on a top surface of the dielectric layer. Each of the plurality of antenna units includes a radiator, a first transmission line and a second transmission line extending in different directions to be connected to the radiator, an upper parasitic element adjacent to an upper portion of the radiator, and a lower parasitic element adjacent to a lower portion of the radiator.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: July 16, 2024
    Assignees: DONGWOO FINE-CHEM CO., LTD., KREEMO INC.
    Inventors: Won Hee Lee, Dong Pil Park, Young Sub Son, In Seok Jang, Beak Jun Seong, Jung Woo Lee, Seong Tae Jeong, In Kyung Hong, John Joonho Park
  • Patent number: 11991826
    Abstract: A flexible printed circuit board includes a power wiring layer transmitting power and a signal wiring layer insulated and stacked over or under the power wiring layer. The flexible printed circuit board may also include an upper wiring layer and a lower wiring layer insulated and stacked each other, and the power wiring layer and the signal wiring layer are provided between the upper wiring layer and the lower wiring layer.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: May 21, 2024
    Assignee: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Jongmin Kim, Dong Pil Park, Yoonho Huh
  • 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: 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: 11848484
    Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer, and an antenna unit disposed on a top surface of the dielectric layer. The antenna unit includes a radiator including convex portions and concave portions, a transmission line including a first transmission line and a second transmission line that extend in different directions to be connected to the radiator, and a parasitic element disposed to be adjacent to the transmission line and electrically and physically separated from the transmission line and the radiator. A length of the parasitic element in an extension direction of the transmission line is from 45% to 70% of a half wavelength (?/2) at a maximum resonance frequency from the antenna unit.
    Type: Grant
    Filed: July 5, 2022
    Date of Patent: December 19, 2023
    Assignees: DONGWOO FINE-CHEM CO., LTD., KREEMO INC.
    Inventors: Won Hee Lee, Dong Pil Park, Young Sub Son, In Seok Jang, Beak Jun Seong, Jung Woo Lee, Seong Tae Jeong, In Kyung Hong, John Joonho Park
  • Publication number: 20230387577
    Abstract: An antenna structure according to an embodiment includes a first radiation including a first radiator, a second radiation unit including a second radiator, and a third radiation unit including a third radiator. At least one of the first radiator, the second radiator and the third radiator includes a plurality of radiators coupled to each other in an array form. A first axis extending between a central point of the first radiator and a central point of the second radiator, and a second axis extending between the central point of the second radiator and a central point of the third radiator are perpendicular to each other.
    Type: Application
    Filed: May 23, 2023
    Publication date: November 30, 2023
    Inventors: Won Hee LEE, Dong Pil PARK