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).

  • Publication number: 20230155279
    Abstract: An antenna stack structure according to an embodiment includes an antenna substrate layer, an antenna unit disposed on a top surface of the antenna substrate layer, the antenna unit including a radiator and an antenna pad, and a display panel including a grounding element disposed on a bottom surface of the antenna substrate layer. The antenna pad is superimposed over the grounding element in a planar view. Signaling and radiation properties can be improved utilizing the antenna pad.
    Type: Application
    Filed: January 19, 2023
    Publication date: May 18, 2023
    Inventors: Byung Jin CHOI, Dong Pil PARK, Jae Hyun LEE
  • Publication number: 20230108271
    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: Application
    Filed: December 9, 2022
    Publication date: April 6, 2023
    Inventors: Hee Jun PARK, Dong Pil PARK, Jae Hyun LEE
  • Publication number: 20230098313
    Abstract: An antenna device according to an embodiment includes a dielectric layer, a first radiator disposed on the dielectric layer in a first direction, a second radiator 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: Application
    Filed: December 7, 2022
    Publication date: March 30, 2023
    Inventors: Jae Hyun LEE, Dong Pil PARK, Ho Dong YOON, Byung Jin CHOI, Won Bin HONG
  • Publication number: 20230097532
    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: Application
    Filed: December 8, 2022
    Publication date: March 30, 2023
    Inventors: Jae Hyun LEE, Dong Pil PARK, Won Hee LEE, Hee Jun PARK, Won Bin HONG
  • 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
  • Patent number: 11600911
    Abstract: An antenna device according to an embodiment of the present invention includes a dielectric layer, an upper electrode layer disposed on the dielectric layer and including a radiation pattern, a lower electrode layer disposed on the dielectric layer, and a bending connection portion integrally connected to the upper electrode layer and the lower electrode layer on the dielectric layer. An interconnection of a ground layer is implemented with high reliability by the bending connection portion.
    Type: Grant
    Filed: September 4, 2020
    Date of Patent: March 7, 2023
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Jong Min Kim, Dong Pil Park, Yun Seok Oh, Won Bin Hong
  • Publication number: 20230037134
    Abstract: An antenna-integrated display panel according to an embodiment includes a display unit, an encapsulation layer disposed on the display unit, an antenna layer formed on the encapsulation layer and including an antenna unit, a polarizing layer disposed on the antenna layer, and a cover window disposed on the polarizing layer.
    Type: Application
    Filed: October 12, 2022
    Publication date: February 2, 2023
    Inventors: Byung Jin CHOI, Dong Pil PARK, Jae Hyun LEE
  • Publication number: 20230006349
    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: Application
    Filed: July 5, 2022
    Publication date: January 5, 2023
    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: 20230006339
    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: Application
    Filed: July 5, 2022
    Publication date: January 5, 2023
    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: 20230006356
    Abstract: An antenna device according to an embodiment includes an array antenna including a plurality of antenna elements, a first flexible printed circuit board (FPCB) including a plurality of first transmission lines which are electrically connected to the plurality of antenna elements and have different lengths, and a radio frequency integrated circuit (RFIC) electrically connected to the plurality of first transmission lines.
    Type: Application
    Filed: September 13, 2022
    Publication date: January 5, 2023
    Inventors: Ho Dong YOON, Dong Pil PARK, Byung Jin CHOI, Won Bin HONG, Jun Ho PARK
  • Publication number: 20230006334
    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: Application
    Filed: July 5, 2022
    Publication date: January 5, 2023
    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: 20220416410
    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: Application
    Filed: June 24, 2022
    Publication date: December 29, 2022
    Inventors: Young Ju KIM, Yoon Ho HUH, Hee Jun PARK, Young Su LEE, In Kak SONG, Dong Pil PARK
  • Patent number: 11509049
    Abstract: A touch sensor-antenna module according to exemplary embodiments of the present invention includes a substrate layer, a touch sensor electrode layer disposed on a central portion of an upper surface of the substrate layer, and antenna patterns disposed on a peripheral portion of the upper surface of the substrate layer at the same level as that of the touch sensor electrode layer. Mutual interference between the touch sensor electrode layer and the antenna pattern may be reduced to improve signal reliability and process efficiency.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: November 22, 2022
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Yun Seok Oh, Jong Min Kim, Dong Pil Park, Won Bin Hong
  • Patent number: 11469492
    Abstract: A film antenna according to an embodiment of the present invention includes a dielectric layer, a first electrode on the dielectric layer, an insulation layer covering the first electrode, and a second electrode on the insulation layer to be electrically connected to the first electrode. The second electrode has a thickness different from that of the first electrode and has a transmittance lower than that of the first electrode. The film antenna having high transmittance and providing high frequency operation may be provided by a construction of the first electrode and the second electrode.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: October 11, 2022
    Assignees: DONGWOO FINE-CHEM CO., LTD., POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION
    Inventors: Yoon Ho Huh, Dong Pil Park, Yun Seok Oh, Won Bin Hong
  • Publication number: 20220312594
    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: Application
    Filed: June 13, 2022
    Publication date: September 29, 2022
    Inventors: Dong Pil PARK, Byung Jin CHOI, Na Yeon KIM
  • Publication number: 20220263276
    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: Application
    Filed: February 16, 2022
    Publication date: August 18, 2022
    Inventors: Young Ju KIM, Byung Jin CHOI, Han Sub RYU, Na Yeon KIM, Dong Pil PARK, Jae Hyun LEE
  • Publication number: 20220263224
    Abstract: An antenna structure according to an embodiment of the present disclosure includes a dielectric layer, and an antenna conductive layer disposed on a top surface of the dielectric layer. The antenna conductive layer includes a radiator, first and second transmission lines extending in different directions to be connected to the radiator, an upper parasitic element adjacent to an upper portion of the radiator in a planar view, and a lower parasitic element adjacent to a lower portion of the radiator, the first transmission line and the second transmission line in the planar view.
    Type: Application
    Filed: February 16, 2022
    Publication date: August 18, 2022
    Inventors: Jong Min KIM, Dong Pil PARK, Won Hee LEE, In Seok JANG, Beak Jun SEONG, Jung Woo LEE, Seong Tae JEONG, In Kyung HONG, John Joonho PARK
  • Patent number: 11411299
    Abstract: A film antenna according to an embodiment of the present invention includes a dielectric layer, and a plurality of radiation patterns on a top surface of the dielectric layer. The plurality of radiation patterns has different resonance frequencies on the same plane. The radiation patterns of different frequency bands are arranged in the film antenna to provide a broadband communication.
    Type: Grant
    Filed: May 4, 2020
    Date of Patent: August 9, 2022
    Assignees: DONGWOO FINE-CHEM CO., LTD., KREEMO INC.
    Inventors: Jong Min Kim, Han sub Ryu, Dong Pil Park, Won Bin Hong
  • Publication number: 20220216587
    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: Application
    Filed: January 6, 2022
    Publication date: July 7, 2022
    Inventors: Byung Jin CHOI, Na Yeon KIM, Han Sub RYU, Dong Pil PARK
  • Publication number: 20220200157
    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: Application
    Filed: March 9, 2022
    Publication date: June 23, 2022
    Inventors: Yun Seok OH, Dong Pil PARK, Seung Hyun SHIN