Patents by Inventor Jeahyun LEE

Jeahyun 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).

  • Display device
    Patent number: 11758785
    Abstract: A display device may include a display panel including a substrate that includes a display area and a pad area adjacent to the display area, and a first pad and a second pad on the pad area of the substrate, and a chip-on-film package over the pad area of the substrate with the first pad and the second pad in between, the chip-on-film package including an insulation layer, a first wiring on an upper surface of the insulation layer and electrically connected to the first pad, and a second wiring on a lower surface of the insulation layer and electrically connected to the second pad. A first signal having alternating voltage levels may be applied to the first wiring, and a second signal having a constant voltage level may be applied to the second wiring.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: September 12, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheolhwan Eom, Kwang-Min Kim, Hyeaweon Shin, Sang Joon Ryu, Hyungjun An, Minji Lee, Yul Kyu Lee, Jeahyun Lee
  • DISPLAY DEVICE
    Publication number: 20210351245
    Abstract: A display device may include a display panel including a substrate that includes a display area and a pad area adjacent to the display area, and a first pad and a second pad on the pad area of the substrate, and a chip-on-film package over the pad area of the substrate with the first pad and the second pad in between, the chip-on-film package including an insulation layer, a first wiring on an upper surface of the insulation layer and electrically connected to the first pad, and a second wiring on a lower surface of the insulation layer and electrically connected to the second pad. A first signal having alternating voltage levels may be applied to the first wiring, and a second signal having a constant voltage level may be applied to the second wiring.
    Type: Application
    Filed: July 20, 2021
    Publication date: November 11, 2021
    Inventors: Cheolhwan EOM, Kwang-Min KIM, Hyeaweon SHIN, Sang Joon RYU, Hyungjun AN, Minji LEE, Yul Kyu LEE, Jeahyun LEE
  • Display device
    Patent number: 11101329
    Abstract: A display device may include a display panel including a substrate that includes a display area and a pad area adjacent to the display area, and a first pad and a second pad on the pad area of the substrate, and a chip-on-film package over the pad area of the substrate with the first pad and the second pad in between, the chip-on-film package including an insulation layer, a first wiring on an upper surface of the insulation layer and electrically connected to the first pad, and a second wiring on a lower surface of the insulation layer and electrically connected to the second pad. A first signal having alternating voltage levels may be applied to the first wiring, and a second signal having a constant voltage level may be applied to the second wiring.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: August 24, 2021
    Inventors: Cheolhwan Eom, Kwang-Min Kim, Hyeaweon Shin, Sang Joon Ryu, Hyungjun An, Minji Lee, Yul Kyu Lee, Jeahyun Lee
  • DISPLAY DEVICE
    Publication number: 20200335556
    Abstract: A display device may include a display panel including a substrate that includes a display area and a pad area adjacent to the display area, and a first pad and a second pad on the pad area of the substrate, and a chip-on-film package over the pad area of the substrate with the first pad and the second pad in between, the chip-on-film package including an insulation layer, a first wiring on an upper surface of the insulation layer and electrically connected to the first pad, and a second wiring on a lower surface of the insulation layer and electrically connected to the second pad. A first signal having alternating voltage levels may be applied to the first wiring, and a second signal having a constant voltage level may be applied to the second wiring.
    Type: Application
    Filed: June 12, 2020
    Publication date: October 22, 2020
    Inventors: Cheolhwan EOM, Kwang-Min KIM, Hyeaweon SHIN, Sang Joon RYU, Hyungjun AN, Minji LEE, Yul Kyu LEE, Jeahyun LEE
  • Display device
    Patent number: 10686017
    Abstract: A display device may include a display panel including a substrate that includes a display area and a pad area adjacent to the display area, and a first pad and a second pad on the pad area of the substrate, and a chip-on-film package over the pad area of the substrate with the first pad and the second pad in between, the chip-on-film package including an insulation layer, a first wiring on an upper surface of the insulation layer and electrically connected to the first pad, and a second wiring on a lower surface of the insulation layer and electrically connected to the second pad. A first signal having alternating voltage levels may be applied to the first wiring, and a second signal having a constant voltage level may be applied to the second wiring.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: June 16, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Cheolhwan Eom, Kwang-Min Kim, Hyeaweon Shin, Sang Joon Ryu, Hyungjun An, Minji Lee, Yul Kyu Lee, Jeahyun Lee
  • DISPLAY DEVICE
    Publication number: 20190319078
    Abstract: A display device may include a display panel including a substrate that includes a display area and a pad area adjacent to the display area, and a first pad and a second pad on the pad area of the substrate, and a chip-on-film package over the pad area of the substrate with the first pad and the second pad in between, the chip-on-film package including an insulation layer, a first wiring on an upper surface of the insulation layer and electrically connected to the first pad, and a second wiring on a lower surface of the insulation layer and electrically connected to the second pad. A first signal having alternating voltage levels may be applied to the first wiring, and a second signal having a constant voltage level may be applied to the second wiring.
    Type: Application
    Filed: January 28, 2019
    Publication date: October 17, 2019
    Inventors: Cheolhwan EOM, Kwang-Min KIM, Hyeaweon SHIN, Sang Joon RYU, Hyungjun AN, Minji LEE, Yul Kyu LEE, Jeahyun LEE