Patents by Inventor Sung-Jin UM

Sung-Jin UM 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: 11507227
    Abstract: A touch display device and a method of driving the same are disclosed. The touch display device includes: a touch display panel displaying an image and sensing a touch; a plurality of touch electrodes disposed on the touch display panel and divided into a plurality of blocks; a plurality of gate lines disposed on the touch display panel and overlapping the plurality of touch electrodes; and a touch display driving circuit supplying a common voltage to the plurality of touch electrodes and supplying a gate voltage to the plurality of gate lines, wherein the common voltage has a first voltage before and after a first compensation period corresponding to a high level period of the gate voltage supplied to one of the plurality of gate lines firstly overlapping one of the plurality of touch electrodes and has a second voltage lower than the first voltage during the first compensation period.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: November 22, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Kyoung-Seok Park, Ki-Jeong Lee, Hyun-Ho Park, Sung-Jin Um
  • Publication number: 20220206627
    Abstract: A touch display device and a method of driving the same are disclosed. The touch display device includes: a touch display panel displaying an image and sensing a touch; a plurality of touch electrodes disposed on the touch display panel and divided into a plurality of blocks; a plurality of gate lines disposed on the touch display panel and overlapping the plurality of touch electrodes; and a touch display driving circuit supplying a common voltage to the plurality of touch electrodes and supplying a gate voltage to the plurality of gate lines, wherein the common voltage has a first voltage before and after a first compensation period corresponding to a high level period of the gate voltage supplied to one of the plurality of gate lines firstly overlapping one of the plurality of touch electrodes and has a second voltage lower than the first voltage during the first compensation period.
    Type: Application
    Filed: October 5, 2021
    Publication date: June 30, 2022
    Inventors: Kyoung-Seok Park, Ki-Jeong Lee, Hyun-Ho Park, Sung-Jin Um
  • Patent number: 9966393
    Abstract: A method of fabricating an array substrate, forming a gate line in a display region and a first auxiliary pattern in a non-display region forming a gate insulating layer on the gate line and the first auxiliary pattern forming a data line in the display region and a second auxiliary pattern in the non-display region over the gate insulating layer, wherein the data line crosses the gate line to define a pixel region forming a passivation layer on the data line and the second auxiliary pattern, and the passivation layer including first and second contact holes respectively exposing the first and second auxiliary patterns forming a planarization layer and a bridge pattern on the passivation layer forming a pixel electrode on the planarization layer and in the pixel region, and a connection pattern on the bridge pattern, wherein the connection pattern contacts the first and second auxiliary patterns.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: May 8, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jin-Su Kim, Sung-Jin Um, Jin-Hyung Jung
  • Publication number: 20170092667
    Abstract: A method of fabricating an array substrate, forming a gate line in a display region and a first auxiliary pattern in a non-display region forming a gate insulating layer on the gate line and the first auxiliary pattern forming a data line in the display region and a second auxiliary pattern in the non-display region over the gate insulating layer, wherein the data line crosses the gate line to define a pixel region forming a passivation layer on the data line and the second auxiliary pattern, and the passivation layer including first and second contact holes respectively exposing the first and second auxiliary patterns forming a planarization layer and a bridge pattern on the passivation layer forming a pixel electrode on the planarization layer and in the pixel region, and a connection pattern on the bridge pattern, wherein the connection pattern contacts the first and second auxiliary patterns.
    Type: Application
    Filed: November 29, 2016
    Publication date: March 30, 2017
    Applicant: LG Display Co., Ltd.
    Inventors: Jin-Su KIM, Sung-Jin UM, Jin-Hyung JUNG
  • Patent number: 9530802
    Abstract: An array substrate according to an embodiment includes a gate line and a data line in a display region and crossing each other to define a pixel region; first and second auxiliary patterns in a non-display region; a gate insulating layer between the gate and data lines and the first and second auxiliary patterns; a passivation layer on the data line and the second auxiliary pattern and including first and second contact holes respectively exposing the first and second auxiliary patterns; a planarization layer on the passivation layer and including first and second pack holes, which respectively correspond to the first and second contact holes; a bridge pattern between the first and second pack holes and overlapping the second auxiliary pattern; a pixel electrode on the planarization layer and in the pixel region; and a connection pattern on the bridge pattern and contacting the first and second auxiliary patterns.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: December 27, 2016
    Assignee: LG Display Co., Ltd.
    Inventors: Jin-Su Kim, Sung-Jin Um, Jin-Hyung Jung
  • Publication number: 20150155303
    Abstract: An array substrate according to an embodiment includes a gate line and a data line in a display region and crossing each other to define a pixel region; first and second auxiliary patterns in a non-display region; a gate insulating layer between the gate and data lines and the first and second auxiliary patterns; a passivation layer on the data line and the second auxiliary pattern and including first and second contact holes respectively exposing the first and second auxiliary patterns; a planarization layer on the passivation layer and including first and second pack holes, which respectively correspond to the first and second contact holes; a bridge pattern between the first and second pack holes and overlapping the second auxiliary pattern; a pixel electrode on the planarization layer and in the pixel region; and a connection pattern on the bridge pattern and contacting the first and second auxiliary patterns.
    Type: Application
    Filed: November 26, 2014
    Publication date: June 4, 2015
    Applicant: LG Display Co., Ltd.
    Inventors: Jin-Su KIM, Sung-Jin UM, Jin-Hyung JUNG