Patents by Inventor Junwon Choi

Junwon Choi 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: 11437441
    Abstract: An electronic apparatus includes a display panel including a base substrate including an active area and a peripheral area adjacent to the active area, pixels on the active area, pads on the peripheral area and arranged in a first direction, signal lines connecting the pixels to the pads, and a vernier mark on the peripheral area and spaced apart from the pads and the signal lines, a circuit board on the display panel and including a base film, and leads on the base film and overlapping with the pads in a plan view, and a conductive adhesive member extending in the first direction and between the display panel and the circuit board to connect the pads to the leads. The conductive adhesive member overlaps with the vernier mark when viewed in a second direction intersecting the first direction.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: September 6, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun-yong An, Yun-kyeong In, Junwon Choi, Wonmi Hwang
  • Patent number: 11424422
    Abstract: A display device having improved reliability includes a substrate including a display area and a peripheral area outside the display area. The display area includes a central display area, a first bending display area contacting the central display area and bent about a first bending axis, and a second bending display area bent about a second bending axis intersecting the first bending axis. The peripheral area includes a corner area rounded and adjacent to the first bending display area and the second bending display area. This display device includes an inorganic layer disposed at the display area and the peripheral area, an opening pattern formed in the inorganic layer and corresponding to the corner area, and a first organic material layer covering the opening pattern.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: August 23, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Junwon Choi, Wonkyu Kwak, Changsoo Pyon
  • Publication number: 20220208929
    Abstract: A display device includes: a substrate in which a transmission area, a display area, a non-display area and the display area, and a peripheral area are defined; pixels arranged on the display area; initialization gate lines and compensation gate lines extending along pixel rows; gate driving circuits disposed on the peripheral area; and gate connection lines disposed on the non-display area. A k-th gate driving circuit among the gate driving circuits simultaneously drives m-th and (m+1)-th initialization gate lines and n-th and (n+1)-th compensation gate lines. First portions of the n-th and (n+1)-th compensation gate lines and second portions of the n-th and (n+1)-th compensation gate lines, which are physically apart from each other by the transmission area, are electrically connected to each other through a first gate connection line among gate connection lines.
    Type: Application
    Filed: September 2, 2021
    Publication date: June 30, 2022
    Inventors: Junyoung Min, Jaewon Kim, Junwon Choi
  • Publication number: 20220181404
    Abstract: A display device includes a scan line extending in a first direction, a data line and a driving voltage line extending in a second direction crossing the first direction, a switching thin film transistor (“TFT”) connected to the scan line and the data line, a driving TFT connected to the switching TFT and including a driving semiconductor layer and a driving gate electrode, a storage capacitor connected to the driving TFT and including first and second storage capacitor plates, a node connection line between the data line and the driving voltage line and connected to the driving gate electrode, and a shielding portion between the data line and the node connection line.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 9, 2022
    Inventors: Junwon Choi, Yunkyeong In, Wonmi Hwang, Junyong An
  • Publication number: 20220181421
    Abstract: A display device includes: pixel circuits defining pixel circuit rows each extending in a first direction and pixel circuit columns each extending in a second direction crossing the first direction; active patterns disposed to correspond to the pixel circuits, respectively; a horizontal diode initialization voltage line which transmits a diode initialization voltage and extends in the first direction; and a vertical diode initialization voltage line extending in the second direction and connected to the horizontal diode initialization voltage line. Each of the active patterns includes first and second diode initialization active regions to which the diode initialization voltage is applied. First active patterns of the plurality of the active patterns corresponding to one of the pixel circuit rows are connected to each other. A first end of one of the first and second diode initialization active regions contact the vertical diode initialization voltage line.
    Type: Application
    Filed: October 20, 2021
    Publication date: June 9, 2022
    Inventors: JUNWON CHOI, JAEWON KIM, JUNYOUNG MIN
  • Patent number: 11302772
    Abstract: A display apparatus includes: a substrate having a display area, a peripheral area outside the display area, a pad area in the peripheral area, and a bending area between the display area and the pad area; a thin film transistor in the display area and an organic light-emitting device electrically connected to the thin film transistor; a first voltage line between a side of the display area and the pad area, in the peripheral area, the first voltage line supplying a first voltage to the organic light-emitting device; and a first sensing line in the peripheral area, the first sensing line measuring the first voltage of the first voltage line, wherein a first contact where an end of the first sensing line and the first voltage line are connected is between the bending area and the display area.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: April 12, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junwon Choi, Wonmi Hwang, Junyong An, Yunkyeong In
  • Patent number: 11260319
    Abstract: The present invention provides a solid phase extraction method using a micro device having a dam forming portion including a dam, the solid phase extraction method comprising the steps of: (i) injecting a solvent and a filler into the micro device, moving the solvent to the dam forming portion, the dam allowing the solvent to flow therethrough and preventing the filler from passing therethrough, and adsorbing a material to be separated onto the filler in the dam forming portion; and (ii) extracting, from the filler, the adsorbed material, wherein the micro device is rotated with respect to a central axis during one of steps (i) and (ii), and the rotation of the micro device is performed at an angular velocity defined by equation 1.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: March 1, 2022
    Inventors: Junwon Choi, Dae Hun Kim, Seonyoung Jegal, Ye Hoon Im, Yeu Young Youn
  • Patent number: 11264432
    Abstract: A display device includes a scan line extending in a first direction, a data line and a driving voltage line extending in a second direction crossing the first direction, a switching thin film transistor (“TFT”) connected to the scan line and the data line, a driving TFT connected to the switching TFT and including a driving semiconductor layer and a driving gate electrode, a storage capacitor connected to the driving TFT and including first and second storage capacitor plates, a node connection line between the data line and the driving voltage line and connected to the driving gate electrode, and a shielding portion between the data line and the node connection line.
    Type: Grant
    Filed: June 16, 2020
    Date of Patent: March 1, 2022
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Junwon Choi, Yunkyeong In, Wonmi Hwang, Junyong An
  • Publication number: 20220059637
    Abstract: A display apparatus includes first initialization voltage lines extending in a first direction, second initialization voltage lines extending in the first direction, first initialization connection lines extending in a second direction intersecting the first direction and electrically connecting the first initialization voltage lines to each other, second initialization connection lines extending in the second direction and electrically connecting the second initialization voltage lines to each other, and pixels connected to the first initialization voltage lines, the second initialization voltage lines, the first initialization connection lines and the second initialization connection lines.
    Type: Application
    Filed: February 26, 2021
    Publication date: February 24, 2022
    Inventors: Junwon Choi, Jaesic Lee, Jaewon Kim, Junyoung Min, Jinhee Jang
  • Publication number: 20210335988
    Abstract: A display device includes a substrate including a display region, a hole, and a hole edge region surrounding the hole, first data lines disposed on the substrate, extending in a first direction, arranged in a second direction intersecting the first direction in the display region, and bypassing the hole along the hole edge region, and second data lines disposed on the substrate, extending in the first direction, alternately arranged with the first data lines in the second direction in the display region, and bypassing the hole along the hole edge region. At least one of the first data lines intersects at least one of the second data lines such that the first data lines are disposed adjacent to each other and the second data lines are disposed adjacent to each other in the hole edge region.
    Type: Application
    Filed: April 19, 2021
    Publication date: October 28, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Nuree UM, Wonkyu KWAK, Kyung-Hoon KIM, Mihae KIM, Jaewon KIM, Hyungjun PARK, Changsoo PYON, Kyonghwan OH, Junwon CHOI
  • Publication number: 20210303040
    Abstract: A display apparatus includes: a substrate having a transmission area, a display area, and a non-display area, wherein the display area surrounds the transmission area, and the non-display area is between the transmission area and the display area; a first wire on the substrate and including a first-1 wire and a first-2 wire extending in a first direction and being spaced apart from each other by the transmission area; a first connecting wire on a same layer as that of the first wire and connecting the first-1 wire to the first-2 wire; and a second wire extending in the first direction and including a second-1 portion and a second-2 portion, wherein the second-1 portion at least partially overlaps the first connecting wire and is arranged on a different layer from that of the first wire, and the second-2 portion is on the same layer as that of the first wire.
    Type: Application
    Filed: November 24, 2020
    Publication date: September 30, 2021
    Inventors: Junwon CHOI, Seungwoo SUNG, Hyungjun PARK, Hyunchol BANG, Changsoo PYON
  • Patent number: 11108060
    Abstract: A fuel cell stack structure in which unit cells are stacked includes first window frames and second window frame. The second window frames each have an area larger than an area of a first window frame and are periodically disposed at a predetermined interval in a direction in which the unit cells are stacked. Heat movement is promoted, a temperature deviation in the fuel cell stack structure is mitigated, and a temperature distribution is uniformized.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: August 31, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Tai Min Noh, Jaesung Kim, Sanghyeok Im, Kwangyeon Park, Ye Hoon Im, Kwangwook Choi, Junwon Choi
  • Patent number: 11004393
    Abstract: A display device includes: a first driving transistor including a first gate electrode and a first semiconductor layer including a first source region and a first drain region, the first driving transistor being in a first pixel area of a substrate; a second driving transistor including a second gate electrode and a second semiconductor layer including a second source region and a second drain region, the second driving transistor being in a second pixel area adjacent the first pixel area of the substrate; a first electrode layer overlapping at least a portion of the first source region of the first driving transistor; a second electrode layer overlapping at least a portion of the second source region of the second driving transistor; a first power line electrically connected to the first electrode layer; and a second power line electrically connected to the second electrode layer.
    Type: Grant
    Filed: May 18, 2020
    Date of Patent: May 11, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minkyu Woo, Minku Lee, Junwon Choi
  • Patent number: 10997582
    Abstract: A payment transaction method and device are provided. The electronic device includes a first communication module comprising first communication circuitry configured to transmit and receive first payment information, a second communication module comprising second communication circuitry configured to transmit second payment information, and a processor which is functionally connected to the first and second communication modules, wherein the processor is configured to receive a payment request signal, to select one of the first and second communication modules based on the received payment request signal, and to transmit payment information corresponding to the selected communication module to an external device.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: May 4, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Junwon Choi
  • Publication number: 20210091320
    Abstract: A display device having improved reliability includes a substrate including a display area and a peripheral area outside the display area. The display area includes a central display area, a first bending display area contacting the central display area and bent about a first bending axis, and a second bending display area bent about a second bending axis intersecting the first bending axis. The peripheral area includes a corner area rounded and adjacent to the first bending display area and the second bending display area. This display device includes an inorganic layer disposed at the display area and the peripheral area, an opening pattern formed in the inorganic layer and corresponding to the corner area, and a first organic material layer covering the opening pattern.
    Type: Application
    Filed: March 18, 2020
    Publication date: March 25, 2021
    Applicant: Samsung Display Co., Ltd.
    Inventors: Junwon CHOI, Wonkyu KWAK, Changsoo PYON
  • Publication number: 20210091164
    Abstract: A display device includes: a substrate including a display area and a peripheral area outside the display area, the display area including a first display area and a second display area; a first fan-out portion in a portion of the peripheral area outside the first display area; a second fan-out portion outside the first fan-out portion; a first power supply line in the peripheral area corresponding to one side of the display area and overlapping at least a portion of the first fan-out portion; and a second power supply line in the peripheral area outside the display area and overlapping at least a portion of the second fan-out portion.
    Type: Application
    Filed: June 30, 2020
    Publication date: March 25, 2021
    Inventors: Byungsun KIM, Wonkyu KWAK, Kyeonghwa KIM, Jaewon KIM, Hyungjun PARK, Seungyeon CHO, Junwon CHOI
  • Patent number: 10956895
    Abstract: A payment transaction method and device are provided. The electronic device includes a first communication module comprising first communication circuitry configured to transmit and receive first payment information, a second communication module comprising second communication circuitry configured to transmit second payment information, and a processor which is functionally connected to the first and second communication modules, wherein the processor is configured to receive a payment request signal, to select one of the first and second communication modules based on the received payment request signal, and to transmit payment information corresponding to the selected communication module to an external device.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: March 23, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Junwon Choi
  • Publication number: 20200411632
    Abstract: A display apparatus includes: a substrate having a display area, a peripheral area outside the display area, a pad area in the peripheral area, and a bending area between the display area and the pad area; a thin film transistor in the display area and an organic light-emitting device electrically connected to the thin film transistor; a first voltage line between a side of the display area and the pad area, in the peripheral area, the first voltage line supplying a first voltage to the organic light-emitting device; and a first sensing line in the peripheral area, the first sensing line measuring the first voltage of the first voltage line, wherein a first contact where an end of the first sensing line and the first voltage line are connected is between the bending area and the display area.
    Type: Application
    Filed: September 10, 2020
    Publication date: December 31, 2020
    Inventors: Junwon CHOI, Wonmi HWANG, Junyong AN, Yunkyeong IN
  • Publication number: 20200376410
    Abstract: The present invention provides a solid phase extraction method using a micro device having a dam forming portion including a dam, the solid phase extraction method comprising the steps of: (i) injecting a solvent and a filler into the micro device, moving the solvent to the dam forming portion, the dam allowing the solvent to flow therethrough and preventing the filler from passing therethrough, and adsorbing a material to be separated onto the filler in the dam forming portion; and (ii) extracting, from the filler, the adsorbed material, wherein the micro device is rotated with respect to a central axis during one of steps (i) and (ii), and the rotation of the micro device is performed at an angular velocity defined by equation 1.
    Type: Application
    Filed: August 7, 2019
    Publication date: December 3, 2020
    Applicant: LG Chem, Ltd.
    Inventors: Junwon Choi, Dae Hun Kim, Seonyoung Jegal, Ye Hoon Im, Yeu Young Youn
  • Patent number: 10804353
    Abstract: A display apparatus includes: a substrate having a display area, a peripheral area outside the display area, a pad area in the peripheral area, and a bending area between the display area and the pad area; a thin film transistor in the display area and an organic light-emitting device electrically connected to the thin film transistor; a first voltage line between a side of the display area and the pad area, in the peripheral area, the first voltage line supplying a first voltage to the organic light-emitting device; and a first sensing line in the peripheral area, the first sensing line measuring the first voltage of the first voltage line, wherein a first contact where an end of the first sensing line and the first voltage line are connected is between the bending area and the display area.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: October 13, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junwon Choi, Wonmi Hwang, Junyong An, Yunkyeong In