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).
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Patent number: 11631700Abstract: 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: GrantFiled: December 20, 2018Date of Patent: April 18, 2023Assignee: LG Display Co., Ltd.Inventors: MinSeok Kim, SeYeoul Kwon, YounYeol Yu
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Patent number: 10985333Abstract: 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: GrantFiled: December 17, 2018Date of Patent: April 20, 2021Assignee: LG DISPLAY CO., LTD.Inventors: DongYoon Kim, YounYeol Yu, Hoiyong Kwon
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Patent number: 10879213Abstract: 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: GrantFiled: July 25, 2018Date of Patent: December 29, 2020Assignee: LG Display Co., Ltd.Inventors: MinSeok Kim, JiHun Song, YounYeol Yu
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Patent number: 10579103Abstract: 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: GrantFiled: November 13, 2017Date of Patent: March 3, 2020Assignee: LG Display Co., Ltd.Inventors: Dongyoon Kim, Younyeol Yu, Haeyoon Jung
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Patent number: 10431769Abstract: 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: GrantFiled: January 29, 2019Date of Patent: October 1, 2019Assignee: LG DISPLAY CO., LTD.Inventors: DongYoon Kim, YounYeol Yu
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Publication number: 20190206903Abstract: 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: ApplicationFiled: December 20, 2018Publication date: July 4, 2019Inventors: MinSeok KIM, SeYeoul KWON, YounYeol YU
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Patent number: 10340318Abstract: 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: GrantFiled: November 21, 2017Date of Patent: July 2, 2019Assignee: LG DISPLAY CO., LTD.Inventors: Dongyoon Kim, Younyeol Yu, Haeyoon Jung
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Patent number: 10339886Abstract: 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: GrantFiled: September 7, 2017Date of Patent: July 2, 2019Assignee: LG Display Co., Ltd.Inventors: Haeyoon Jung, Dongyoon Kim, Younyeol Yu
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Publication number: 20190198783Abstract: 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: ApplicationFiled: December 17, 2018Publication date: June 27, 2019Applicant: LG DISPLAY CO., LTD.Inventors: DongYoon KIM, YounYeol YU, Hoiyong KWON
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Publication number: 20190157608Abstract: 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: ApplicationFiled: January 29, 2019Publication date: May 23, 2019Applicant: LG DISPLAY CO., LTD.Inventors: DongYoon KIM, YounYeol YU
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Patent number: 10256431Abstract: 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: GrantFiled: July 9, 2018Date of Patent: April 9, 2019Assignee: LG DISPLAY CO., LTD.Inventors: DongYoon Kim, YounYeol Yu
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Publication number: 20190035765Abstract: 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: ApplicationFiled: July 25, 2018Publication date: January 31, 2019Inventors: MinSeok KIM, JiHun SONG, YounYeol YU
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Publication number: 20180315952Abstract: 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: ApplicationFiled: July 9, 2018Publication date: November 1, 2018Applicant: LG DISPLAY CO., LTD.Inventors: DongYoon KIM, YounYeol YU
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Patent number: 10069101Abstract: 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: GrantFiled: December 9, 2016Date of Patent: September 4, 2018Assignee: LG DISPLAY CO., LTD.Inventors: DongYoon Kim, YounYeol Yu
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Publication number: 20180150111Abstract: 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: ApplicationFiled: November 13, 2017Publication date: May 31, 2018Inventors: Dongyoon KIM, Younyeol YU, Haeyoon JUNG
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Publication number: 20180151646Abstract: 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: ApplicationFiled: November 21, 2017Publication date: May 31, 2018Applicant: LG DISPLAY CO., LTD.Inventors: Dongyoon Kim, Younyeol Yu, Haeyoon Jung
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Publication number: 20180114500Abstract: 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: ApplicationFiled: September 7, 2017Publication date: April 26, 2018Applicant: LG Display Co., Ltd.Inventors: Haeyoon JUNG, Dongyoon KIM, Younyeol YU
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Patent number: 9818974Abstract: 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: GrantFiled: May 20, 2016Date of Patent: November 14, 2017Assignee: LG Display Co., Ltd.Inventors: SeYeoul Kwon, Dojin Kim, YounYeol Yu
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Publication number: 20170179423Abstract: 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: ApplicationFiled: May 20, 2016Publication date: June 22, 2017Inventors: SeYeoul Kwon, Dojin Kim, YounYeol Yu
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Publication number: 20170170425Abstract: 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: ApplicationFiled: December 9, 2016Publication date: June 15, 2017Applicant: LG DISPLAY CO., LTD.Inventors: DongYoon KIM, YounYeol YU