Patents by Inventor Daewoong CHUN

Daewoong CHUN 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).

  • Mitigating shorted pixels in an organic light emitting display panel
    Patent number: 11069288
    Abstract: Disclosed are an organic light emitting display panel and an organic light emitting display device including the same, in which a pixel driving circuit of a subpixel, sharing an anode with a white subpixel, of subpixels configuring a unit pixel is disconnected from the outside of the subpixel.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: July 20, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: SoonJae Hwang, DaeWoong Chun, Sangyoul Lee, Chulwoo Lee
  • Organic light emitting display device with improved sub-pixel structure for repair and repairing method of the same
    Patent number: 10644268
    Abstract: Disclosed is an organic light emitting display device including a plurality of sub-pixels on an array substrate in which each sub-pixel includes a circuit part including a switching transistor, a driving transistor and a capacitor; and a light emitting part having a shape defined with a width and a length and including a first electrode electrically connected to the driving transistor, an organic light emitting layer and a second electrode, the first electrode including a first pattern having a recess, a second pattern having a protrusion received in the recess, and a third pattern connecting the first and second patterns, wherein a depth of the recess is greater than a half of a longer of the width and the length of the light emitting part.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: May 5, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: DaeWoong Chun, Ilwan Jang
  • Organic Light Emitting Display Panel and Organic Light Emitting Display Device Including the Same
    Publication number: 20180090069
    Abstract: Disclosed are an organic light emitting display panel and an organic light emitting display device including the same, in which a pixel driving circuit of a subpixel, sharing an anode with a white subpixel, of subpixels configuring a unit pixel is disconnected from the outside of the subpixel.
    Type: Application
    Filed: September 28, 2017
    Publication date: March 29, 2018
    Inventors: SoonJae HWANG, DaeWoong CHUN, Sangyoul LEE, Chulwoo LEE
  • ORGANIC LIGHT EMITTING DISPLAY DEVICE AND REPAIRING METHOD OF THE SAME
    Publication number: 20170194604
    Abstract: Disclosed is an organic light emitting display device including a plurality of sub-pixels on an array substrate in which each sub-pixel includes a circuit part including a switching transistor, a driving transistor and a capacitor; and a light emitting part having a shape defined with a width and a length and including a first electrode electrically connected to the driving transistor, an organic light emitting layer and a second electrode, the first electrode including a first pattern having a recess, a second pattern having a protrusion received in the recess, and a third pattern connecting the first and second patterns, wherein a depth of the recess is greater than a half of a longer of the width and the length of the light emitting part.
    Type: Application
    Filed: October 26, 2016
    Publication date: July 6, 2017
    Inventors: DaeWoong CHUN, Ilwan JANG
  • Electrostatic capacitive type touch screen panel
    Patent number: 9569042
    Abstract: A touch screen panel includes a plurality of first touch electrode serials arranged in a first direction and a plurality of second touch electrode serials arranged in a second direction crossing over the first direction, and electrically insulated from the plurality of first electrode serials. The first touch electrode serial includes a plurality of first touch electrodes connected in serial, and the second touch electrode serial includes a plurality of second touch electrodes connected in serial. The first touch electrode has a first stem portion, and a plurality of first branch portions outwardly extended from both sides of the first stem portion. The second touch electrodes has a second stem portion, and a plurality of second branch portions outwardly extended from both sides of the second stem portion.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: February 14, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jonghyun Han, Byungkoo Kang, Dongsup Kim, Sohyung Lee, Sungyong Cho, Daewoong Chun
  • ELECTROSTATIC CAPACITIVE TYPE TOUCH SCREEN PANEL
    Publication number: 20140139481
    Abstract: A touch screen panel includes a plurality of first touch electrode serials arranged in a first direction and a plurality of second touch electrode serials arranged in a second direction crossing over the first direction, and electrically insulated from the plurality of first electrode serials. The first touch electrode serial includes a plurality of first touch electrodes connected in serial, and the second touch electrode serial includes a plurality of second touch electrodes connected in serial. The first touch electrode has a first stem portion, and a plurality of first branch portions outwardly extended from both sides of the first stem portion. The second touch electrodes has a second stem portion, and a plurality of second branch portions outwardly extended from both sides of the second stem portion.
    Type: Application
    Filed: November 14, 2013
    Publication date: May 22, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jonghyun HAN, Byungkoo KANG, Dongsup KIM, Sohyung LEE, Sungyong CHO, Daewoong CHUN