Patents by Inventor MiReum Lee

MiReum Lee 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: 11977697
    Abstract: A transparent display device is provided, which may reduce or minimize loss of light transmittance due to a touch sensor and a touch line, and may detect a defective touch sensor. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area, a plurality of touch sensors respectively provided in the plurality of transmissive areas, including a touch sensor electrode, a plurality of pixels provided in the non-transmissive area, including a plurality of subpixels, a plurality of driving transistors respectively connected to the plurality of subpixels, a plurality of touch transistors respectively connected to the plurality of touch sensors, and a reference line applying a reference voltage to the plurality of driving transistors in accordance with a control signal or transferring a voltage of each of the plurality of touch sensors to an analog-to-digital converter through the plurality of touch transistors.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: May 7, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Jonghyeok Im, JaeHee Park, MiReum Lee
  • Patent number: 11960676
    Abstract: A transparent display device with a touch sensor is provided, which may minimize or reduce loss of light transmittance due to a touch sensor and a touch line and may detect a defective touch sensor among a plurality of touch sensors provided in a touch block. The transparent display device comprises a substrate provided with a transmissive area and a non-transmissive area, a touch sensor provided in the transmissive area over the substrate, including a touch sensor electrode, a pixel provided in the non-transmissive area over the substrate, including a plurality of light emitting elements comprised of an anode electrode, a light emitting layer and a cathode electrode, a reference line provided in the non-transmissive area, a plurality of switching transistors connecting the reference line with each of the plurality of light emitting elements, and a touch transistor connecting the reference line with the touch sensor.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: April 16, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: JaeHee Park, MiReum Lee
  • Publication number: 20240118761
    Abstract: A transparent display device is provided, which may reduce or minimize loss of light transmittance due to a touch sensor and a touch line, and may repair a defective touch sensor. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area, including a plurality of light emission areas, a plurality of touch sensors respectively provided in the plurality of transmissive areas, including a touch sensor electrode, a plurality of touch lines provided in the non-transmissive area and extended in a first direction, a plurality of touch bridge lines provided in the non-transmissive area over the substrate and extended in a second direction to be connected to one of the plurality of touch lines, and a plurality of touch connection portions connecting the plurality of touch bridge lines with the plurality of touch sensors, including a high resistance line.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 11, 2024
    Inventors: Jonghyeok IM, JaeHee PARK, MiReum LEE
  • Patent number: 11928285
    Abstract: A transparent display device with a touch sensor is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line, and may detect a line area, in which a defective touch sensor is included. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area disposed between the transmissive areas adjacent to each other. The device includes a touch line extended from the non-transmissive area and connected to a touch sensor electrode, and a common power line connected to a cathode electrode to supply a cathode power source. The non-transmissive area includes a cathode power area to which the cathode power source is applied through the common power line, the cathode power area includes a first cathode power area and a second cathode power area. The second cathode power area may have resistance higher than that of the first cathode power area.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: March 12, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: JaeHee Park, MiReum Lee, Kihyung Lee
  • Patent number: 11886653
    Abstract: A transparent display device is provided, which may reduce or minimize loss of light transmittance due to a touch sensor and a touch line, and may repair a defective touch sensor. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area, including a plurality of light emission areas, a plurality of touch sensors respectively provided in the plurality of transmissive areas, including a touch sensor electrode, a plurality of touch lines provided in the non-transmissive area and extended in a first direction, a plurality of touch bridge lines provided in the non-transmissive area over the substrate and extended in a second direction to be connected to one of the plurality of touch lines, and a plurality of touch connection portions connecting the plurality of touch bridge lines with the plurality of touch sensors, including a high resistance line.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: January 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Jonghyeok Im, JaeHee Park, MiReum Lee
  • Publication number: 20230205362
    Abstract: Disclosed is a display device comprising a substrate including a display area and a non-display area surrounding the display area, a plurality of signal link lines disposed in the non-display area of the substrate and configured to connect a plurality of signal lines of the display area to a pad portion configured to receive an external signal, a plurality of touch link lines disposed in the non-display area, overlapped with at least some of the plurality of signal link lines and configured to connect the pad portion to a plurality of touch lines in the display area, and a compensation pattern based on an overlap between at least one of the plurality of signal link lines and at least one of the plurality of touch link line corresponding to at least one of the plurality of touch lines.
    Type: Application
    Filed: October 28, 2022
    Publication date: June 29, 2023
    Inventors: MiReum LEE, JaeHee PARK, Jonghyeok IM
  • Publication number: 20230195252
    Abstract: A transparent display device with a touch sensor is provided, which may minimize or reduce loss of light transmittance due to a touch sensor and a touch line and may detect a defective touch sensor among a plurality of touch sensors provided in a touch block. The transparent display device comprises a substrate provided with a transmissive area and a non-transmissive area, a touch sensor provided in the transmissive area over the substrate, including a touch sensor electrode, a pixel provided in the non-transmissive area over the substrate, including a plurality of light emitting elements comprised of an anode electrode, a light emitting layer and a cathode electrode, a reference line provided in the non-transmissive area, a plurality of switching transistors connecting the reference line with each of the plurality of light emitting elements, and a touch transistor connecting the reference line with the touch sensor.
    Type: Application
    Filed: October 31, 2022
    Publication date: June 22, 2023
    Inventors: JaeHee Park, MiReum Lee
  • Publication number: 20230195257
    Abstract: A transparent display device with a touch sensor is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line, and may detect a line area, in which a defective touch sensor is included. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area disposed between the transmissive areas adjacent to each other. The device includes a touch line extended from the non-transmissive area and connected to a touch sensor electrode, and a common power line connected to a cathode electrode to supply a cathode power source. The non-transmissive area includes a cathode power area to which the cathode power source is applied through the common power line, the cathode power area includes a first cathode power area and a second cathode power area. The second cathode power area may have resistance higher than that of the first cathode power area.
    Type: Application
    Filed: October 31, 2022
    Publication date: June 22, 2023
    Inventors: JaeHee PARK, MiReum LEE, Kihyung LEE
  • Publication number: 20230195253
    Abstract: A transparent display device with a touch sensor is provided, which may minimize loss of light transmittance due to a touch sensor and a touch line, and may improve uniformity of parasitic capacitance between touch lines. The transparent display device with a touch sensor comprises a substrate provided with a transmissive area and a non-transmissive area, a touch sensor provided in the transmissive area over the substrate, including a touch sensor electrode, a pixel provided in the non-transmissive area over the substrate, including a plurality of light emitting elements comprised of an anode electrode, a light emitting layer and a cathode electrode, a first signal line extended from the non-transmissive area in a first direction, a first touch line provided between the first signal line and the transmissive area, and a second touch line provided between the first touch line and the transmissive area.
    Type: Application
    Filed: October 31, 2022
    Publication date: June 22, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: JaeHee Park, MiReum Lee, Jonghyeok Im
  • Publication number: 20230185392
    Abstract: A transparent display device is provided, which may reduce or minimize loss of light transmittance due to a touch sensor and a touch line, and may detect a defective touch sensor. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area, a plurality of touch sensors respectively provided in the plurality of transmissive areas, including a touch sensor electrode, a plurality of pixels provided in the non-transmissive area, including a plurality of subpixels, a plurality of driving transistors respectively connected to the plurality of subpixels, a plurality of touch transistors respectively connected to the plurality of touch sensors, and a reference line applying a reference voltage to the plurality of driving transistors in accordance with a control signal or transferring a voltage of each of the plurality of touch sensors to an analog-to-digital converter through the plurality of touch transistors.
    Type: Application
    Filed: October 31, 2022
    Publication date: June 15, 2023
    Inventors: Jonghyeok IM, JaeHee PARK, MiReum LEE
  • Publication number: 20230185391
    Abstract: A transparent display device is provided, which may reduce or minimize loss of light transmittance due to a touch sensor and a touch line, and may repair a defective touch sensor. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area, including a plurality of light emission areas, a plurality of touch sensors respectively provided in the plurality of transmissive areas, including a touch sensor electrode, a plurality of touch lines provided in the non-transmissive area and extended in a first direction, a plurality of touch bridge lines provided in the non-transmissive area over the substrate and extended in a second direction to be connected to one of the plurality of touch lines, and a plurality of touch connection portions connecting the plurality of touch bridge lines with the plurality of touch sensors, including a high resistance line.
    Type: Application
    Filed: October 31, 2022
    Publication date: June 15, 2023
    Inventors: Jonghyeok IM, JaeHee PARK, MiReum LEE
  • Patent number: 11678500
    Abstract: An organic light emitting diode display device includes a first substrate, an organic light emitting diode including a first electrode, an organic layer and a second electrode and disposed on the first substrate, a conductive layer disposed on the organic light emitting diode, a second substrate disposed over the first substrate, a conductive black matrix disposed on a surface of the second substrate that faces the first substrate, a sealant boding the first substrate and the second substrate and a conductive fill material filled between the first substrate and the second substrate.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: June 13, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventor: MiReum Lee
  • Publication number: 20230030854
    Abstract: A transparent display device is provided, which may reduce a parasitic capacitance average value of touch lines and improve uniformity of parasitic capacitance. The transparent display comprises a substrate provided with a non-transmissive area and a transmissive area, the non-transmissive area including at least two light emission areas in which a light emitting element is disposed and at least two circuit areas in which a circuit element is disposed, a plurality of first signal lines provided in the non-transmissive area over the substrate and extended in a first direction, at least one insulating layer provided over the first signal line, and a plurality of touch lines provided in the non-transmissive area over the at least one insulating layer and extended in the first direction. The plurality of first signal lines and the plurality of touch lines are disposed between adjacent circuit areas.
    Type: Application
    Filed: July 20, 2022
    Publication date: February 2, 2023
    Inventors: MiReum Lee, JaeHee Park, Jonghyeok Im
  • Publication number: 20230033385
    Abstract: A transparent display device is provided, which may reduce or minimize loss of light transmittance due to a touch sensor and a touch line and simplify a touch process. The transparent display device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area including a plurality of light emission areas disposed between the transmissive areas adjacent to each other, a plurality of light emitting elements provided in each of the plurality of light emission areas over the substrate, a plurality of touch sensors provided in each of the plurality of transmissive areas over the substrate, a plurality of touch lines provided in the non-transmissive area over the substrate and extended in a first direction, and a plurality of bridge lines provided in the non-transmissive area over the substrate and extended in a second direction to connect at least two touch sensors disposed in the second direction with one of the plurality of the touch lines.
    Type: Application
    Filed: July 20, 2022
    Publication date: February 2, 2023
    Inventors: JaeHee PARK, Jonghyeok IM, MiReum LEE
  • Patent number: 11502154
    Abstract: Disclosed are a display apparatus and a method for manufacturing the same. The display apparatus comprises: a multi-buffer layer; a pixel array layer formed on the multi-buffer layer and including a plurality of pixels respectively formed as the intersections of a plurality of gate lines and a plurality of data lines; an encapsulation layer formed on the pixel array layer; and an encapsulation substrate formed on the encapsulation layer and including a display area and a non-display area adjacent to the display area, wherein, the encapsulation substrate is for supporting the display area and the non-display area such that there is no base substrate in the display apparatus.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: November 15, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Hoiyong Kwon, MiReum Lee
  • Publication number: 20210083221
    Abstract: An organic light emitting diode display device includes a first substrate, an organic light emitting diode including a first electrode, an organic layer and a second electrode and disposed on the first substrate, a conductive layer disposed on the organic light emitting diode, a second substrate disposed over the first substrate, a conductive black matrix disposed on a surface of the second substrate that faces the first substrate, a sealant boding the first substrate and the second substrate and a conductive fill material filled between the first substrate and the second substrate.
    Type: Application
    Filed: August 17, 2020
    Publication date: March 18, 2021
    Applicant: LG Display Co., Ltd.
    Inventor: MiReum LEE
  • Publication number: 20200373378
    Abstract: Disclosed are a display apparatus and a method for manufacturing the same. The display apparatus comprises: a multi-buffer layer; a pixel array layer formed on the multi-buffer layer and including a plurality of pixels respectively formed as the intersections of a plurality of gate lines and a plurality of data lines; an encapsulation layer formed on the pixel array layer; and an encapsulation substrate formed on the encapsulation layer and including a display area and a non-display area adjacent to the display area, wherein, the encapsulation substrate is for supporting the display area and the non-display area such that there is no base substrate in the display apparatus.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Inventors: Hoiyong KWON, MiReum LEE
  • Patent number: 10788693
    Abstract: A flexible display device is disclosed. The flexible display device may include a flexible substrate, a display device layer on a first surface of the flexible substrate, a receiving groove in a second surface of the flexible substrate, and a deformation-preventing layer in the receiving groove on the second surface of the flexible substrate.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: September 29, 2020
    Assignee: LG Display Co., Ltd
    Inventors: Hoiyong Kwon, MiReum Lee
  • Patent number: 10777629
    Abstract: Disclosed are a display apparatus and a method for manufacturing the same. The display apparatus comprises: a multi-buffer layer; a pixel array layer formed on the multi-buffer layer and including a plurality of pixels respectively formed as the intersections of a plurality of gate lines and a plurality of data lines; an encapsulation layer formed on the pixel array layer; and an encapsulation substrate formed on the encapsulation layer and including a display area and a non-display area adjacent to the display area, wherein, the encapsulation substrate is for supporting the display area and the non-display area such that there is no base substrate in the display apparatus.
    Type: Grant
    Filed: October 26, 2018
    Date of Patent: September 15, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hoiyong Kwon, MiReum Lee
  • Patent number: 10600856
    Abstract: A display device includes a first flexible substrate; a low reflection layer on the first flexible substrate; a second flexible substrate on the low reflection layer; a thin film transistor and an organic light emitting diode on the second flexible substrate; an upper protective member configured to encapsulate the thin film transistor and the organic light emitting diode; and an electrically conductive interconnection configured to electrically connect the low reflection layer with a surface of the upper protective member.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: March 24, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Eunah Kim, Sangcheon Youn, Saemleenuri Lee, Mireum Lee