Patents by Inventor YounYeol YU

YounYeol YU 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: 11631700
    Abstract: A display apparatus is disclosed, which may endure deformation by an external force. The display apparatus includes a flexible substrate (110) including a plurality of pores (115); and a pixel array layer (PL) provided on a first surface of the flexible substrate (110), wherein the plurality of pores are (115) provided to be concave from a second surface opposite to the first surface of the flexible substrate (110).
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: April 18, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: MinSeok Kim, SeYeoul Kwon, YounYeol Yu
  • Patent number: 10985333
    Abstract: Discussed are a flexible display apparatus and a rollable display apparatus comprising the same, in which rigidity reliability is secured against a physical impact. The flexible display panel includes a display unit provided on a flexible substrate and a back cover disposed on a rear surface of the flexible display panel. The back cover includes a panel supporting part including a plurality of openings, having a size greater than a width of the flexible display panel, and supporting the flexible display panel, and a sidewall part protruding from each of one edge and another edge of the panel supporting part.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: April 20, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: DongYoon Kim, YounYeol Yu, Hoiyong Kwon
  • Patent number: 10879213
    Abstract: Disclosed is a display apparatus having a minimum bezel area and a multi-screen display apparatus comprising the same, wherein the display apparatus may include a first substrate having an active area, a non-active area surrounding the active area, and a bending portion bent in a curved shape, a display portion disposed on the active area of the first substrate, a protection layer for covering the display portion, and a second substrate disposed on the protection layer and configured to have a smaller size than the active area.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: December 29, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: MinSeok Kim, JiHun Song, YounYeol Yu
  • Patent number: 10579103
    Abstract: A flexible display is disclosed. The flexible display includes a substrate having a pixel array and a metal sheet disposed on the substrate and covering the pixel array. The metal sheet includes a groove that extends from one side to the other side of the metal sheet and has a predetermined depth. The groove includes at least one first groove extended in a first direction and at least one second groove extended in a second direction intersecting the first direction.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: March 3, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Dongyoon Kim, Younyeol Yu, Haeyoon Jung
  • Patent number: 10431769
    Abstract: A flexible organic light emitting device including a flexible substrate having an active area and a pad area; an organic light emitting diode layer disposed on the active area; an adhesive layer disposed on the organic light emitting diode layer; an encapsulation substrate disposed on the adhesive layer; a cover layer disposed between the active area and the pad area; and a back film disposed on a lower surface of the flexible substrate, further the encapsulation substrate has a curved upper surface outside the active area, also the cover layer decreases in thickness from the active area toward the pad area.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: October 1, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: DongYoon Kim, YounYeol Yu
  • Publication number: 20190206903
    Abstract: A display apparatus is disclosed, which may endure deformation by an external force. The display apparatus includes a flexible substrate (110) including a plurality of pores (115); and a pixel array layer (PL) provided on a first surface of the flexible substrate (110), wherein the plurality of pores are (115) provided to be concave from a second surface opposite to the first surface of the flexible substrate (110).
    Type: Application
    Filed: December 20, 2018
    Publication date: July 4, 2019
    Inventors: MinSeok KIM, SeYeoul KWON, YounYeol YU
  • Patent number: 10340318
    Abstract: A display device for preventing a defective operation and dark spots resulting from fine bubbles is disclosed. The display device includes a flexible substrate, a thin film transistor disposed on the flexible substrate, a first electrode connected to the thin film transistor, a bank layer including a pixel definition portion exposing the first electrode and a groove portion spaced apart from the pixel definition portion, an organic layer disposed on the first electrode and the bank layer, and a second electrode disposed on the organic layer.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: July 2, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dongyoon Kim, Younyeol Yu, Haeyoon Jung
  • Patent number: 10339886
    Abstract: The present disclosure relates to a display panel having a gate driving circuit and a method of monitoring characteristics of the gate driving circuit, and the gate driving circuit includes a test transistor connected to at least one of a pull-up transistor and a pull-down transistor. The test transistor is turned on in response to a gate on voltage of a test enable signal generated in a measurement mode to form a closed loop including at least one of the pull-up transistor and the pull-down transistor.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: July 2, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Haeyoon Jung, Dongyoon Kim, Younyeol Yu
  • Publication number: 20190198783
    Abstract: Discussed are a flexible display apparatus and a rollable display apparatus comprising the same, in which rigidity reliability is secured against a physical impact. The flexible display panel includes a display unit provided on a flexible substrate and a back cover disposed on a rear surface of the flexible display panel. The back cover includes a panel supporting part including a plurality of openings, having a size greater than a width of the flexible display panel, and supporting the flexible display panel, and a sidewall part protruding from each of one edge and another edge of the panel supporting part.
    Type: Application
    Filed: December 17, 2018
    Publication date: June 27, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: DongYoon KIM, YounYeol YU, Hoiyong KWON
  • Publication number: 20190157608
    Abstract: A flexible organic light emitting device including a flexible substrate having an active area and a pad area; an organic light emitting diode layer disposed on the active area; an adhesive layer disposed on the organic light emitting diode layer; an encapsulation substrate disposed on the adhesive layer; a cover layer disposed between the active area and the pad area; and a back film disposed on a lower surface of the flexible substrate, futher the encapsulation substrate has a curved upper surface outside the active area, also the cover layer decreases in thickness from the active area toward the pad area.
    Type: Application
    Filed: January 29, 2019
    Publication date: May 23, 2019
    Applicant: LG DISPLAY CO., LTD.
    Inventors: DongYoon KIM, YounYeol YU
  • Patent number: 10256431
    Abstract: An organic light emitting device includes a base substrate having an active area and a pad area, an organic light emitting diode layer disposed on the active area, an encapsulation substrate disposed on the organic light emitting diode layer, a signal pad disposed on the pad area, and a cover layer provided between the active area and the pad area. Further, the cover layer and a portion of the encapsulation substrate are provided outside the active area.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: April 9, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: DongYoon Kim, YounYeol Yu
  • Publication number: 20190035765
    Abstract: Disclosed is a display apparatus having a minimum bezel area and a multi-screen display apparatus comprising the same, wherein the display apparatus may include a first substrate having an active area, a non-active area surrounding the active area, and a bending portion bent in a curved shape, a display portion disposed on the active area of the first substrate, a protection layer for covering the display portion, and a second substrate disposed on the protection layer and configured to have a smaller size than the active area.
    Type: Application
    Filed: July 25, 2018
    Publication date: January 31, 2019
    Inventors: MinSeok KIM, JiHun SONG, YounYeol YU
  • Publication number: 20180315952
    Abstract: An organic light emitting device includes a base substrate having an active area and a pad area, an organic light emitting diode layer disposed on the active area, an encapsulation substrate disposed on the organic light emitting diode layer, a signal pad disposed on the pad area, and a cover layer provided between the active area and the pad area. Further, the cover layer and a portion of the encapsulation substrate are provided outside the active area.
    Type: Application
    Filed: July 9, 2018
    Publication date: November 1, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: DongYoon KIM, YounYeol YU
  • Patent number: 10069101
    Abstract: An organic light emitting display device is discussed. The organic light emitting display device according to an embodiment includes an organic light emitting diode layer provided at an active area of a base substrate; an encapsulation layer encapsulating the organic light emitting diode layer to protect the organic light emitting diode layer; an adhesive layer in the encapsulation layer and provided on the organic light emitting diode layer to cover upper and side surfaces of the organic light emitting diode layer; and an encapsulation substrate in the encapsulation layer and provided on the adhesive layer. The encapsulation substrate is provided to have different thicknesses at the active area and outside the active area.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: September 4, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: DongYoon Kim, YounYeol Yu
  • Publication number: 20180150111
    Abstract: A flexible display is disclosed. The flexible display includes a substrate having a pixel array and a metal sheet disposed on the substrate and covering the pixel array. The metal sheet includes a groove that extends from one side to the other side of the metal sheet and has a predetermined depth. The groove includes at least one first groove extended in a first direction and at least one second groove extended in a second direction intersecting the first direction.
    Type: Application
    Filed: November 13, 2017
    Publication date: May 31, 2018
    Inventors: Dongyoon KIM, Younyeol YU, Haeyoon JUNG
  • Publication number: 20180151646
    Abstract: A display device for preventing a defective operation and dark spots resulting from fine bubbles is disclosed. The display device includes a flexible substrate, a thin film transistor disposed on the flexible substrate, a first electrode connected to the thin film transistor, a bank layer including a pixel definition portion exposing the first electrode and a groove portion spaced apart from the pixel definition portion, an organic layer disposed on the first electrode and the bank layer, and a second electrode disposed on the organic layer.
    Type: Application
    Filed: November 21, 2017
    Publication date: May 31, 2018
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dongyoon Kim, Younyeol Yu, Haeyoon Jung
  • Publication number: 20180114500
    Abstract: The present disclosure relates to a display panel having a gate driving circuit and a method of monitoring characteristics of the gate driving circuit, and the gate driving circuit includes a test transistor connected to at least one of a pull-up transistor and a pull-down transistor. The test transistor is turned on in response to a gate on voltage of a test enable signal generated in a measurement mode to form a closed loop including at least one of the pull-up transistor and the pull-down transistor.
    Type: Application
    Filed: September 7, 2017
    Publication date: April 26, 2018
    Applicant: LG Display Co., Ltd.
    Inventors: Haeyoon JUNG, Dongyoon KIM, Younyeol YU
  • Patent number: 9818974
    Abstract: A flexible display device comprises a back plate coupled to a rear surface of a flexible display panel with a bending portion, having an opening portion overlapped with the bending portion; and a buffer member covering inner sides of the back plate, which are provided by the opening portion.
    Type: Grant
    Filed: May 20, 2016
    Date of Patent: November 14, 2017
    Assignee: LG Display Co., Ltd.
    Inventors: SeYeoul Kwon, Dojin Kim, YounYeol Yu
  • Publication number: 20170179423
    Abstract: A flexible display device comprises a back plate coupled to a rear surface of a flexible display panel with a bending portion, having an opening portion overlapped with the bending portion; and a buffer member covering inner sides of the back plate, which are provided by the opening portion.
    Type: Application
    Filed: May 20, 2016
    Publication date: June 22, 2017
    Inventors: SeYeoul Kwon, Dojin Kim, YounYeol Yu
  • Publication number: 20170170425
    Abstract: An organic light emitting display device is discussed. The organic light emitting display device according to an embodiment includes an organic light emitting diode layer provided at an active area of a base substrate; an encapsulation layer encapsulating the organic light emitting diode layer to protect the organic light emitting diode layer; an adhesive layer in the encapsulation layer and provided on the organic light emitting diode layer to cover upper and side surfaces of the organic light emitting diode layer; and an encapsulation substrate in the encapsulation layer and provided on the adhesive layer. The encapsulation substrate is provided to have different thicknesses at the active area and outside the active area.
    Type: Application
    Filed: December 9, 2016
    Publication date: June 15, 2017
    Applicant: LG DISPLAY CO., LTD.
    Inventors: DongYoon KIM, YounYeol YU