Patents by Inventor Dojoong Kim

Dojoong 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).

  • Publication number: 20260173745
    Abstract: The present application provides a display device and a repairing method thereof. According to an aspect of the present disclosure, a display device includes a lower substrate which is divided into an active area and a non-active area and is stretchable; a plurality of pixels on the active area of the lower substrate; a plurality of connection lines on the lower substrate and connected respectively to the plurality of pixels; and at least one repair line connected in parallel with at least one of the plurality of connection lines.
    Type: Application
    Filed: October 21, 2025
    Publication date: June 18, 2026
    Applicant: LG Display Co., Ltd.
    Inventors: Yeonjun Oh, SungJoon Min, Dojoong Kim, JunHyuk Song, Taehyun Kim
  • Publication number: 20260164889
    Abstract: A display device in one or more examples includes: a substrate; a plurality of subpixels disposed on a plurality of pixel plate patterns and each including a circuit; a plurality of lines disposed on the plurality of pixel plate patterns and connected to the circuits; and a plurality of bypass lines disposed on the plurality of pixel plate patterns and the plurality of bypass plate patterns. Some of the plurality of lines on some of the plurality of pixel plate patterns receive signals from corresponding bypass lines of the plurality of bypass lines on some of the plurality of bypass plate patterns. Therefore, the plurality of bypass lines and the plurality of bypass plate patterns may be used to transmit the signal to the normal subpixel on the pixel plate pattern while inhibiting a signal from being applied to a defective subpixel of some pixel plate patterns.
    Type: Application
    Filed: October 28, 2025
    Publication date: June 11, 2026
    Applicant: LG Display Co., Ltd.
    Inventors: Taehyun KIM, SungJoon MIN, Yeonjun OH, Dojoong KIM, JunHyuk SONG
  • Publication number: 20260090167
    Abstract: Provided is a display device. The display device includes a stretchable lower substrate a plurality of plate patterns which is disposed on the lower substrate to be spaced apart from each other a plurality of line patterns which is disposed between plate patterns adjacent in a first direction, among the plurality of plate patterns and between plate patterns adjacent in a second direction different from the first direction, among the plurality of plate patterns, on the lower substrate a plurality of connection lines which is disposed above each of the plurality of line patterns and a plurality of auxiliary patterns which is adjacent to the plurality of plate patterns in a diagonal direction between the first direction and the second direction, on the lower substrate.
    Type: Application
    Filed: July 16, 2025
    Publication date: March 26, 2026
    Inventors: SungJoon Min, Yeonjun Oh, Dojoong Kim, JunHyuk Song, Taehyun Kim
  • Publication number: 20260090166
    Abstract: A display device includes a stretchable lower substrate which is divided into an active and non-active areas, pixels in the active area and on the lower substrate, connection lines on the lower substrate and connected to each of the pixels, a stretchable upper substrate, and a pad pattern in the non-active area between the lower substrate and the upper substrate. The pad pattern may include a first lower pad plate pattern on which an input pad is disposed, a second lower pad plate pattern on which a chip pad connected to the input pad through a pad connection line and a driving chip connected to the chip pad are disposed, a lower pad line pattern which connects the first and second lower pad plate patterns, and an upper pad plate pattern which is disposed on the first and second lower pad plate patterns and the lower pad line pattern.
    Type: Application
    Filed: July 25, 2025
    Publication date: March 26, 2026
    Inventors: Yeonjun Oh, SungJoon Min, Dojoong Kim, JunHyuk Song, Taehyun Kim
  • Patent number: 12557523
    Abstract: A display device can include a substrate including a light emitting area and an auxiliary electrode contact portion for providing an electrical connection with one or more elements, an auxiliary electrode disposed in the auxiliary electrode contact portion and having an electrode hole, a transparent conductive layer covering the auxiliary electrode and having a concave portion above the electrode hole, at least one bank disposed on the transparent conductive layer and exposing the concave portion and an upper surface of the transparent conductive layer that is adjacent to the concave portion, an organic layer disposed on the at least one bank and the exposed upper surface of the transparent conductive layer, and a cathode electrode disposed on the organic layer and a side surface of the concave portion.
    Type: Grant
    Filed: October 24, 2022
    Date of Patent: February 17, 2026
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Daeil Kang, Joungwon Woo, Gihong Kim, Jaekyeong Yun, Samjong Lee, Dojoong Kim
  • Publication number: 20250267945
    Abstract: According to an aspect of the present disclosure, a display device includes a lower substrate which includes a plurality of rigid areas disposed to be spaced apart from each other and a malleable area enclosing the plurality of rigid areas; a plurality of first plate patterns disposed in the plurality of rigid areas of the lower substrate; and a plurality of sub pixels which are disposed on the plurality of first plate patterns and each include a connection electrode, a conductive adhesive layer on the connection electrode, and a light emitting diode on the conductive adhesive layer, wherein some of the plurality of sub pixels include a repair electrode which is disposed between the connection electrode and the conductive adhesive layer and is formed of an iodine pattern including an iodine component and a metal pattern.
    Type: Application
    Filed: October 28, 2024
    Publication date: August 21, 2025
    Inventors: Yeonjun OH, SungJoon MIN, Dojoong KIM, JunHyuk SONG, Taehyun KIM
  • Publication number: 20250267996
    Abstract: A display device includes a stretchable lower substrate, a plurality of pixel plate patterns disposed to be spaced apart from each other on the lower substrate and having a plurality of sub pixels, a plurality of speaker plate patterns disposed to be spaced apart from each other on the lower substrate and alternately disposed with the plurality of pixel plate patterns, a plurality of connection lines disposed between the plurality of pixel plate patterns and between the plurality of pixel plate patterns and the plurality of speaker plate patterns, and a sound unit disposed on each of the plurality of speaker plate patterns. Accordingly, the plurality of speaker plate patterns are formed in an area between the plurality of pixel plate patterns so that the sound unit can be embedded in the display device.
    Type: Application
    Filed: September 17, 2024
    Publication date: August 21, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: SungJoon MIN, Yeonjun OH, Dojoong KIM, JunHyuk SONG, Taehyun KIM
  • Patent number: 12063846
    Abstract: The present disclosure relates to an organic light emitting display device and a method for manufacturing the same. In the organic light emitting display device according to the present disclosure, a bank which exposes an auxiliary electrode connected to a cathode electrode of an organic light emitting device is composed of multiple layers, and particularly, since the lowest layer of the bank, which is adjacent to the auxiliary electrode, includes an undercut, the cathode electrode and the auxiliary electrode are directly connected so that it is possible to prevent burnt due to a short-circuit between the cathode electrode and Ag included in the auxiliary electrode.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: August 13, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hoonsok Son, Dojoong Kim
  • Publication number: 20240206228
    Abstract: A display apparatus may include a first substrate including a plurality of first sub-pixels and a plurality of second sub-pixels, a first thin film transistor and a second thin film transistor disposed in a first sub-pixel of the first sub-pixels of the first substrate, a first anode disposed in the first sub-pixel of the first substrate and connected to the first thin film transistor, a second anode disposed in a second sub-pixel of the second sub-pixels of the first substrate and connected to the second thin film transistor, a first emission part disposed on the first anode, a second emission part disposed on the second anode and a cathode disposed on the first emission part and the second emission part.
    Type: Application
    Filed: August 7, 2023
    Publication date: June 20, 2024
    Inventor: Dojoong KIM
  • Patent number: 11910634
    Abstract: A display device can include a substrate having a light emitting area and a non-light emitting area; an anode electrode disposed in the light emitting area; a metal layer disposed in the non-light emitting area and connected to a first driving power; an auxiliary electrode disposed on the metal layer and including at least one electrode hole exposing the metal layer; a bank disposed on an edge region of the anode electrode and an edge region of the auxiliary electrode; a light emitting layer disposed on a region of the anode electrode exposed by the bank; an electron transport layer disposed on the light emitting layer and the auxiliary electrode; and a cathode electrode disposed on the electron transport layer, in which the electron transport layer is in direct contact with the metal layer through the at least one electrode hole.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: February 20, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Daeil Kang, Joungwon Woo, Soojin Kim, Samjong Lee, Dojoong Kim
  • Publication number: 20230209865
    Abstract: A display device can include a substrate including a light emitting area and an auxiliary electrode contact portion for providing an electrical connection with one or more elements, an auxiliary electrode disposed in the auxiliary electrode contact portion and having an electrode hole, a transparent conductive layer covering the auxiliary electrode and having a concave portion above the electrode hole, at least one bank disposed on the transparent conductive layer and exposing the concave portion and an upper surface of the transparent conductive layer that is adjacent to the concave portion, an organic layer disposed on the at least one bank and the exposed upper surface of the transparent conductive layer, and a cathode electrode disposed on the organic layer and a side surface of the concave portion.
    Type: Application
    Filed: October 24, 2022
    Publication date: June 29, 2023
    Applicant: LG Display Co., Ltd.
    Inventors: Daeil KANG, Joungwon WOO, Gihong KIM, Jaekyeong YUN, Samjong LEE, Dojoong KIM
  • Patent number: 11665932
    Abstract: The present disclosure provided an organic light-emitting display device comprising: a substrate where a first direction and a second direction intersecting each other are defined, the substrate on which sub-pixels arranged along the first direction and the second direction; first electrodes of organic light-emitting diodes allocated respectively to the sub-pixels; a first bank having first openings exposing the first electrodes; and a second bank having second openings exposing the first electrode on the first bank, wherein in at least one region, the second opening simultaneously exposes at least two first electrodes neighboring in the third direction.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: May 30, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Dojoong Kim, Daeil Kang, Soojin Kim, Samjong Lee, Saehoon Oh, Hyungi Hong
  • Patent number: 11631725
    Abstract: The present disclosure provided an organic light-emitting display device comprising: a substrate where a first direction and a second direction intersecting each other are defined, the substrate on which sub-pixels arranged along the first direction and the second direction; first electrodes of organic light-emitting diodes allocated respectively to the sub-pixels; a first bank having first openings exposing the first electrodes; and a second bank having second openings exposing the first electrode on the first bank, wherein in at least one region, the second opening simultaneously exposes at least two first electrodes neighboring in the third direction.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: April 18, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Dojoong Kim, Daeil Kang, Soojin Kim, Samjong Lee, Saehoon Oh, Hyungi Hong
  • Publication number: 20220209170
    Abstract: A display device can include a substrate having a light emitting area and a non-light emitting area; an anode electrode disposed in the light emitting area; a metal layer disposed in the non-light emitting area and connected to a first driving power; an auxiliary electrode disposed on the metal layer and including at least one electrode hole exposing the metal layer; a bank disposed on an edge region of the anode electrode and an edge region of the auxiliary electrode; a light emitting layer disposed on a region of the anode electrode exposed by the bank; an electron transport layer disposed on the light emitting layer and the auxiliary electrode; and a cathode electrode disposed on the electron transport layer, in which the electron transport layer is in direct contact with the metal layer through the at least one electrode hole.
    Type: Application
    Filed: November 24, 2021
    Publication date: June 30, 2022
    Applicant: LG Display Co., Ltd.
    Inventors: Daeil KANG, Joungwon WOO, Soojin KIM, Samjong LEE, Dojoong KIM
  • Publication number: 20220209209
    Abstract: The present disclosure relates to an organic light emitting display device and a method for manufacturing the same. In the organic light emitting display device according to the present disclosure, a bank which exposes an auxiliary electrode connected to a cathode electrode of an organic light emitting device is composed of multiple layers, and particularly, since the lowest layer of the bank, which is adjacent to the auxiliary electrode, includes an undercut, the cathode electrode and the auxiliary electrode are directly connected so that it is possible to prevent burnt due to a short-circuit between the cathode electrode and Ag included in the auxiliary electrode.
    Type: Application
    Filed: December 1, 2021
    Publication date: June 30, 2022
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Hoonsok SON, Dojoong KIM
  • Publication number: 20210202667
    Abstract: A display panel includes a substrate including an emission area and a non-emission area; a driving element for driving the display panel; an auxiliary electrode placed in the non-emission area, and spaced apart from the driving element; a protective layer placed on the driving element and the auxiliary electrode; a first electrode placed on the protective layer, and connected to the driving element; a first organic material layer placed on the first electrode; a second electrode placed above the first organic material layer and the protective layer; a second organic material layer placed between the second electrode and the first organic material layer; and a contact hole penetrating through the protective layer, and exposing the auxiliary electrode, wherein the second electrode is electrically connected to the auxiliary electrode within the contact hole.
    Type: Application
    Filed: December 26, 2020
    Publication date: July 1, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Dojoong KIM, Jonghoon YEO, Hyungi HONG
  • Patent number: 10978528
    Abstract: An organic light-emitting display comprises a substrate having a first area and second and third areas neighboring the first area in a column direction and defined in edge parts of both sides in the first area; a plurality of subpixels arranged on the substrate in the column direction and a row direction crossing the column direction; a plurality of first electrodes allocated to each of the plurality of subpixels; and a bank positioned on the first electrodes, wherein the bank comprises a first bank having a first opening exposing the plurality of first electrodes arranged in the row direction; and a second bank having a second opening exposing the plurality of first electrodes arranged in the column direction in the first area and a third opening exposing the one first electrode in at least one of the second area and the third area.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: April 13, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Soojin Kim, Daeil Kang, Dojoong Kim
  • Publication number: 20200212145
    Abstract: An organic light-emitting display comprises a substrate having a first area and second and third areas neighboring the first area in a column direction and defined in edge parts of both sides in the first area; a plurality of subpixels arranged on the substrate in the column direction and a row direction crossing the column direction; a plurality of first electrodes allocated to each of the plurality of subpixels; and a bank positioned on the first electrodes, wherein the bank comprises a first bank having a first opening exposing the plurality of first electrodes arranged in the row direction; and a second bank having a second opening exposing the plurality of first electrodes arranged in the column direction in the first area and a third opening exposing the one first electrode in at least one of the second area and the third area.
    Type: Application
    Filed: December 19, 2019
    Publication date: July 2, 2020
    Applicant: LG Display Co., Ltd.
    Inventors: Soojin KIM, Daeil KANG, Dojoong KIM
  • Publication number: 20200185475
    Abstract: The present disclosure provided an organic light-emitting display device comprising: a substrate where a first direction and a second direction intersecting each other are defined, the substrate on which sub-pixels arranged along the first direction and the second direction; first electrodes of organic light-emitting diodes allocated respectively to the sub-pixels; a first bank having first openings exposing the first electrodes; and a second bank having second openings exposing the first electrode on the first bank, wherein in at least one region, the second opening simultaneously exposes at least two first electrodes neighboring in the third direction.
    Type: Application
    Filed: November 19, 2019
    Publication date: June 11, 2020
    Inventors: Dojoong KIM, Daeil KANG, Soojin KIM, Samjong LEE, Saehoon OH, Hyungi HONG
  • Patent number: 9027518
    Abstract: A continuously variable valve lift device with improved lift amount change accuracy includes a rocker arm causing an engine valve to perform an opening/closing operation with a cam of a cam shaft, and an engine valve lift amount change mechanism. The mechanism has a control shaft which has an eccentric circular disc cam, a control arm which swings about the eccentric circular disc cam and having a cam contact portion in contact with a first cam and a first arm, second biasing means for biasing the cam contact portion against the first cam, a second cam portion of a free-form surface shape contacting with the second arm and the rocker arm, a cam member supported so as to be capable of turning around the shall main body, and a link arm with both ends supported so as to be capable of turning by the first arm and the second arm.
    Type: Grant
    Filed: October 19, 2011
    Date of Patent: May 12, 2015
    Assignees: University of Ulsan Foundation for Industry Cooperation, Nittan Valve Co., Ltd.
    Inventors: Dojoong Kim, Minoru Shiino, Ken-ya Sugawara, Mamoru Kato