Patents by Inventor Sung Ku Kang

Sung Ku Kang 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: 11747947
    Abstract: A touch panel and method of manufacturing the same are disclosed. In one aspect, the touch panel includes a substrate, a first touch electrode line formed over the substrate and including a plurality of first touch electrodes which are electrically connected to each other, and a second touch electrode line formed to cross the first touch electrode line and being electrically insulated therefrom. The second touch electrode line can include a plurality of second touch electrodes which are electrically connected to each other. The touch panel can also include a plurality of connecting wires respectively connected to the first and second touch electrode lines. At least one of the first touch electrode line, the second touch electrode line, and the connecting wires can include at least one photosensitive conductive layer having a metal nanowire.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: September 5, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Han Bae, Sung Ku Kang, Jin Hwan Kim
  • Patent number: 11599216
    Abstract: A touch sensing device and a display device for improving hovering performance including: a touch sensing display panel including sense electrodes arranged in a matrix; and a sensing signal controller connected to the touch sensing display panel. The sense electrode includes a metal mesh electrode and a conductive layer contacting the metal mesh electrode.
    Type: Grant
    Filed: October 11, 2021
    Date of Patent: March 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Byeong Kyu Jeon, Sung Ku Kang, Jeong Heon Lee, Hee Woong Park
  • Publication number: 20220100305
    Abstract: A touch sensing device and a display device for improving hovering performance including: a touch sensing display panel including sense electrodes arranged in a matrix; and a sensing signal controller connected to the touch sensing display panel. The sense electrode includes a metal mesh electrode and a conductive layer contacting the metal mesh electrode.
    Type: Application
    Filed: October 11, 2021
    Publication date: March 31, 2022
    Inventors: Byeong Kyu JEON, Sung Ku KANG, Jeong Heon LEE, Hee Woong PARK
  • Patent number: 11144144
    Abstract: A touch sensing device and a display device for improving hovering performance including: a touch sensing display panel including sense electrodes arranged in a matrix; and a sensing signal controller connected to the touch sensing display panel. The sense electrode includes a metal mesh electrode and a conductive layer contacting the metal mesh electrode.
    Type: Grant
    Filed: January 2, 2020
    Date of Patent: October 12, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byeong Kyu Jeon, Sung Ku Kang, Jeong Heon Lee, Hee Woong Park
  • Publication number: 20210280828
    Abstract: A display device includes a flexible substrate including a display area and a non-display area. The substrate has a first surface and a second surface opposite to the first surface. A first protection film is disposed on the first surface of the substrate. The first protection film is disposed over the display area of the substrate. A second protection film is disposed on the first surface of the substrate. The second protection film is disposed over the non-display area of the substrate. A light transmittance of the first protection film is higher than that of the second protection film.
    Type: Application
    Filed: May 7, 2021
    Publication date: September 9, 2021
    Inventors: JIN KYU KIM, MI-AE PARK, SUNG KU KANG, SANG WOL LEE
  • Patent number: 11024828
    Abstract: A display device includes a flexible substrate including a display area and a non-display area. The substrate has a first surface and a second surface opposite to the first surface. A first protection film is disposed on the first surface of the substrate. The first protection film is disposed over the display area of the substrate. A second protection film is disposed on the first surface of the substrate. The second protection film is disposed over the non-display area of the substrate. A light transmittance of the first protection film is higher than that of the second protection film.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Kyu Kim, Mi-Ae Park, Sung Ku Kang, Sang Wol Lee
  • Patent number: 10915205
    Abstract: A touch panel includes: a substrate having a first region and a second region. A plurality of sensing cells are disposed in the first region and a pad portion is disposed in the second region. An insulating interlayer is disposed on the plurality of sensing cells, a connection pattern is disposed on the insulating interlayer, with the connection pattern being electrically connected to adjacent sensing cells through contact holes. A transparent conductive pattern is disposed in the second region and on the insulating interlayer, with the transparent conductive pattern being electrically connected to the plurality of sensing cells and the pad portion.
    Type: Grant
    Filed: January 14, 2018
    Date of Patent: February 9, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Joo-Han Bae, Sung-Ku Kang, Jin-Hwan Kim, Hee-Woong Park, Byeong-Kyu Jeon
  • Patent number: 10871866
    Abstract: A touch sensor is disclosed to include a first mesh touch electrode formed in a first direction and transmitting a first touch signal, a first supplementary mesh touch electrode formed on the same layer as the first mesh touch electrode, an insulating layer covering the first mesh touch electrode and the first supplementary mesh touch electrode and having a contact cutout, a second mesh touch electrode formed in a second direction crossing the first direction and transmitting a second touch signal, and a second supplementary mesh touch electrode formed on the same layer as the second mesh touch electrode. In this touch sensor, the first mesh touch electrode is connected to the second supplementary mesh touch electrode through the contact cutout and the second mesh touch electrode is connected to the first supplementary mesh touch electrode through the contact cutout.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: December 22, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung Ku Kang, Joo-Han Bae, Byeong-Jin Lee
  • Patent number: 10725218
    Abstract: A display device is provided. The display device includes an anti-reflection film. The anti-reflection film includes a base film, a retardation coating layer disposed on a first side of the base film so as to delay a phase of transmitted light, and a polarizer coating layer disposed on a second side of the base film so as to allow a polarization component of the transmitted light in a specific direction to pass through, wherein the retardation coating layer and the polarizer coating layer are formed by applying a liquid crystal on the base film.
    Type: Grant
    Filed: March 6, 2018
    Date of Patent: July 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Suk Choi, Sung Ku Kang, In Nam Lee, Heung Seok Go, Young Do Kim, Jeong Heon Lee, Choon-Hyop Lee, Young Kuil Joo
  • Publication number: 20200233510
    Abstract: A touch panel and method of manufacturing the same are disclosed. In one aspect, the touch panel includes a substrate, a first touch electrode line formed over the substrate and including a plurality of first touch electrodes which are electrically connected to each other, and a second touch electrode line formed to cross the first touch electrode line and being electrically insulated therefrom. The second touch electrode line can include a plurality of second touch electrodes which are electrically connected to each other. The touch panel can also include a plurality of connecting wires respectively connected to the first and second touch electrode lines. At least one of the first touch electrode line, the second touch electrode line, and the connecting wires can include at least one photosensitive conductive layer having a metal nanowire.
    Type: Application
    Filed: March 30, 2020
    Publication date: July 23, 2020
    Inventors: Joo-Han BAE, Sung Ku KANG, Jin Hwan KIM
  • Publication number: 20200201473
    Abstract: A touch screen panel includes a thin film substrate having sensing patterns formed thereon that is implemented as an isotropic film, and a polarizing plate is disposed on the sensing patterns so that it is possible to minimize or reduce degradation of image quality. The touch screen panel includes a thin film substrate, sensing patterns, and sensing lines. The thin film substrate is divided into an active area and a non-active area. The sensing patterns are formed in the active area of the thin film substrate. The sensing lines are formed in the non-active area of the thin film substrate so as to be connected to the sensing patterns. In the touch screen panel, the thin film substrate is implemented as an isotropic film.
    Type: Application
    Filed: February 27, 2020
    Publication date: June 25, 2020
    Inventors: Sung-Ku Kang, Mi-Ae Park, Kwan-Young Han, Tae-Hyeog Jung, Mikiya Itakura
  • Publication number: 20200142515
    Abstract: A touch sensing device and a display device for improving hovering performance including: a touch sensing display panel including sense electrodes arranged in a matrix; and a sensing signal controller connected to the touch sensing display panel. The sense electrode includes a metal mesh electrode and a conductive layer contacting the metal mesh electrode.
    Type: Application
    Filed: January 2, 2020
    Publication date: May 7, 2020
    Inventors: Byeong Kyu JEON, Sung Ku KANG, Jeong Heon LEE, Hee Woong PARK
  • Patent number: 10599253
    Abstract: A touch screen panel includes a thin film substrate having sensing patterns formed thereon that is implemented as an isotropic film, and a polarizing plate is disposed on the sensing patterns so that it is possible to minimize or reduce degradation of image quality. The touch screen panel includes a thin film substrate, sensing patterns, and sensing lines. The thin film substrate is divided into an active area and a non-active area. The sensing patterns are formed in the active area of the thin film substrate. The sensing lines are formed in the non-active area of the thin film substrate so as to be connected to the sensing patterns. In the touch screen panel, the thin film substrate is implemented as an isotropic film.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: March 24, 2020
    Assignee: Samsung Dosplay Co., Ltd.
    Inventors: Sung-Ku Kang, Mi-Ae Park, Kwan-Young Han, Tae-Hyeog Jung, Mikiya Itakura
  • Publication number: 20200081493
    Abstract: A flexible touch screen panel includes a substrate having flexibility, sensing electrodes on at least one surface of the substrate, and implemented using an opaque conductive metal, and a polarizing plate on the substrate having the sensing electrodes formed thereon. The sensing electrodes may be implemented in a mesh shape having a plurality of openings.
    Type: Application
    Filed: November 12, 2019
    Publication date: March 12, 2020
    Inventors: Sung-Ku KANG, Tae-Hyeog JUNG, Hak-Sun KIM, Jung-Yun KIM, Mi-Ae PARK
  • Patent number: 10564743
    Abstract: A touch sensor device includes a touch sensing area including touch sensors sequentially disposed in a first direction extending away from an imaginary central point, in which an area of each touch sensors gradually increases as a distance thereof away from the imaginary center point increases, at least one of the touch sensors includes a first touch electrode and a second touch electrode adjacent to each other, a width of the first touch electrode decreases along a second direction, and a width of the second touch electrode increases along the second direction.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: February 18, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sung Ku Kang
  • Patent number: 10551986
    Abstract: A touch sensing device and a display device for improving hovering performance including: a touch sensing display panel including sense electrodes arranged in a matrix; and a sensing signal controller connected to the touch sensing display panel. The sense electrode includes a metal mesh electrode and a conductive layer contacting the metal mesh electrode.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: February 4, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byeong Kyu Jeon, Sung Ku Kang, Jeong Heon Lee, Hee Woong Park
  • Patent number: 10546984
    Abstract: An embodiment provides a lens comprising: a lens body; a groove placed on one side of the lens body; a plurality of light path conversion units arranged on a first area of the surface of the lens body, opposite to the groove; and a plurality of refraction units arranged on a second area of the surface of the lens body, opposite to the groove, wherein the first area and the second area are arranged opposite to each other with respect to the center of the surface of the lens body.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: January 28, 2020
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Sung Ku Kang
  • Patent number: 10481642
    Abstract: A flexible touch screen panel includes a substrate having flexibility, sensing electrodes on at least one surface of the substrate, and implemented using an opaque conductive metal, and a polarizing plate on the substrate having the sensing electrodes formed thereon. The sensing electrodes may be implemented in a mesh shape having a plurality of openings.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: November 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sung-Ku Kang, Tae-Hyeog Jung, Hak-Sun Kim, Jung-Yun Kim, Mi-Ae Park
  • Publication number: 20190179452
    Abstract: A touch sensing device and a display device for improving hovering performance including: a touch sensing display panel including sense electrodes arranged in a matrix; and a sensing signal controller connected to the touch sensing display panel. The sense electrode includes a metal mesh electrode and a conductive layer contacting the metal mesh electrode.
    Type: Application
    Filed: February 4, 2019
    Publication date: June 13, 2019
    Inventors: Byeong Kyu JEON, Sung Ku KANG, Jeong Heon LEE, Hee Woong PARK
  • Patent number: 10254902
    Abstract: A touch sensor device includes first touch electrodes and second touch electrodes disposed on a substrate, and a polymer layer including a polymer material disposed on the first and second touch electrodes and on a substantially entire area of the substrate, in which the polymer layer includes conductive and non-conductive regions.
    Type: Grant
    Filed: September 3, 2015
    Date of Patent: April 9, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Byeong-Jin Lee, Sung Ku Kang, Jung-Yun Kim, Joo-Han Bae, Dong Eun Lee, In Nam Lee