Patents by Inventor Won-Taeck KIM

Won-Taeck KIM 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: 11360356
    Abstract: A liquid crystal display device includes a first substrate and a second substrate facing each other; a thin film transistor in a pixel region on the first substrate; a first electrode on the thin film transistor; and a second electrode on the first electrode and connected to the thin film transistor, wherein the second electrode includes a first rib electrode and a second rib electrode, wherein the first rib electrode and the second rib electrode are connected by a connection electrode, wherein a vertical opening is between the first rib electrode and the second rib electrode and along a first direction, and wherein the connection electrode includes a hole at a region adjacent to the vertical opening.
    Type: Grant
    Filed: July 3, 2020
    Date of Patent: June 14, 2022
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Won-Taeck Kim, Kyung-Su Ha
  • Publication number: 20210011345
    Abstract: A liquid crystal display device includes a first substrate and a second substrate facing each other; a thin film transistor in a pixel region on the first substrate; a first electrode on the thin film transistor; and a second electrode on the first electrode and connected to the thin film transistor, wherein the second electrode includes a first rib electrode and a second rib electrode, wherein the first rib electrode and the second rib electrode are connected by a connection electrode, wherein a vertical opening is between the first rib electrode and the second rib electrode and along a first direction, and wherein the connection electrode includes a hole at a region adjacent to the vertical opening.
    Type: Application
    Filed: July 3, 2020
    Publication date: January 14, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Won-Taeck KIM, Kyung-Su HA
  • Patent number: 10802355
    Abstract: A liquid crystal display device includes: first and second substrates facing and spaced apart from each other, the first and second substrates having a pixel region; a gate line and a data line on an inner surface of the first substrate, the gate line and the data line crossing each other adjacent to the pixel region; a thin film transistor connected to the gate line and the data line in the pixel region; a first electrode of a plate shape over the thin film transistor; a second electrode of a bar shape over the first electrode; and a liquid crystal layer between the first and second substrates.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: October 13, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Won-Taeck Kim, You-Hyun Eom, So-Hyeong Ahn, Song-Yi Jeong
  • Patent number: 10627682
    Abstract: A liquid crystal display device includes a first substrate having a plurality of pixel regions; thin film transistors on the first substrate; a first electrode electrically connected to each of the thin film transistors and in each of the plurality of pixel regions; a passivation layer on the first electrode; a second electrode on the passivation layer and defining an opening in each of the plurality of pixel regions corresponding to the first electrode; a liquid crystal layer on the second electrode; and a second substrate on the liquid crystal layer.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: April 21, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Song-Yi Jeong, Won-Taeck Kim
  • Patent number: 10459297
    Abstract: A liquid crystal display device includes a substrate; a pixel electrode and a common electrode in a pixel region on the substrate and spaced apart from each other; and a liquid crystal layer on the pixel electrode and the common electrode and including a first liquid crystal capsule and a second liquid crystal capsule, wherein the first liquid crystal capsule includes first liquid crystal molecules having positive dielectric constant anisotropy and the second liquid crystal capsule includes second liquid crystal molecules having negative dielectric constant anisotropy.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: October 29, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyung-Su Ha, Sang-Wook Lee, Won-Taeck Kim
  • Publication number: 20190171069
    Abstract: A liquid crystal display device includes a first substrate having a plurality of pixel regions; thin film transistors on the first substrate; a first electrode electrically connected to each of the thin film transistors and in each of the plurality of pixel regions; a passivation layer on the first electrode; a second electrode on the passivation layer and defining an opening in each of the plurality of pixel regions corresponding to the first electrode; a liquid crystal layer on the second electrode; and a second substrate on the liquid crystal layer.
    Type: Application
    Filed: December 4, 2018
    Publication date: June 6, 2019
    Applicant: LG Display Co., Ltd.
    Inventors: Song-Yi JEONG, Won-Taeck KIM
  • Publication number: 20190171072
    Abstract: A liquid crystal display device includes: first and second substrates facing and spaced apart from each other, the first and second substrates having a pixel region; a gate line and a data line on an inner surface of the first substrate, the gate line and the data line crossing each other adjacent to the pixel region; a thin film transistor connected to the gate line and the data line in the pixel region; a first electrode of a plate shape over the thin film transistor; a second electrode of a bar shape over the first electrode; and a liquid crystal layer between the first and second substrates.
    Type: Application
    Filed: November 27, 2018
    Publication date: June 6, 2019
    Inventors: Won-Taeck KIM, You-Hyun EOM, So-Hyeong AHN, Song-Yi JEONG
  • Publication number: 20180120608
    Abstract: A liquid crystal display device includes a substrate; a pixel electrode and a common electrode in a pixel region on the substrate and spaced apart from each other; and a liquid crystal layer on the pixel electrode and the common electrode and including a first liquid crystal capsule and a second liquid crystal capsule, wherein the first liquid crystal capsule includes first liquid crystal molecules having positive dielectric constant anisotropy and the second liquid crystal capsule includes second liquid crystal molecules having negative dielectric constant anisotropy.
    Type: Application
    Filed: September 20, 2017
    Publication date: May 3, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Kyung-Su HA, Sang-Wook LEE, Won-Taeck KIM