Patents Assigned to LG Display Co., Ltd.
  • Publication number: 20250048815
    Abstract: A display device and a method of manufacturing the same according to an embodiment include a substrate, first assembly wiring and second assembly wiring alternately arranged on the substrate, a first insulating layer disposed between the first assembly wiring and the second assembly wiring, a planarization layer disposed on the first assembly wiring and the second assembly wiring, and having a first opening, and a light emitting element disposed inside the first opening, wherein the first electrode overlaps the first assembly wiring and the second assembly wiring. And, the first electrode is in contact with one of the first assembly wiring and the second assembly wiring, and the second assembly wiring includes a transparent conductive layer.
    Type: Application
    Filed: July 13, 2022
    Publication date: February 6, 2025
    Applicants: LG ELECTRONICS INC., LG DISPLAY CO., LTD.
    Inventors: Sunho KIM, Jungmin KIM, Gisang HONG, Kyoungjin NAM, Youngwook LEE
  • Publication number: 20250048902
    Abstract: Disclosed is an organic light emitting display apparatus comprising a display panel including a circuit element layer and a light guide part disposed on the circuit element layer, the light guide part having a bottom surface and a top surface opposite to the bottom surface. The light guide part includes a plurality of lens patterns extending from the bottom surface toward the top surface and disposed irregularly in the light guide part, a lens connection part disposed between the plurality of lens patterns and in contact with the plurality of lens patterns, and a filling layer disposed on the plurality of lens patterns and the lens connection part.
    Type: Application
    Filed: July 31, 2024
    Publication date: February 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: SunWoong KIM, JuHun MIN, SeungSoo YANG, DongUk KIM
  • Publication number: 20250048848
    Abstract: A display panel can include a plurality of subpixels disposed on a substrate, an insulating layer disposed on the substrate, the insulating layer including at least one recess portion in at least one subpixel among the plurality of subpixels, an anode electrode disposed on the insulating layer, the anode electrode not overlapping the recess portion, a bank disposed on a portion of an upper surface of the anode electrode and the insulating layer, the bank having an opening in each of the plurality of subpixels, a light emitting layer disposed in the opening, and a cathode electrode disposed on the light emitting layer. Also, each of the light emitting layer and the cathode electrode overlaps with the anode electrode and the recess portion of the insulating layer in the opening, and the cathode electrode has at least one stepped portion in the opening of the bank.
    Type: Application
    Filed: August 1, 2024
    Publication date: February 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: Hoseung LEE, JongWon LEE, YoungWook LEE, HeeJung YANG, GiSang HONG, SungKi KIM
  • Publication number: 20250048816
    Abstract: A display device according to an embodiment includes a substrate, first assembly wiring and second assembly wiring spaced apart from each other on the substrate, a first insulating layer disposed between the first assembly wiring and the second assembly wiring, a first planarization layer disposed on the second assembly wiring and having an opening overlapping the second assembly wiring, a light emitting device disposed inside the opening and including a first semiconductor layer and a second semiconductor layer on the first semiconductor layer, and contact electrode electrically connecting the second assembly wiring and the first semiconductor layer, and the contact electrode is in contact with the second assembly wiring that overlaps the side surface of the first semiconductor layer and the first planarization layer.
    Type: Application
    Filed: November 28, 2022
    Publication date: February 6, 2025
    Applicants: LG ELECTRONICS INC., LG DISPLAY CO., LTD.
    Inventors: Youngdo KIM, Hun JANG, Juhyun NAM, Hyeseon EOM, Minseok KIM
  • Publication number: 20250048855
    Abstract: A display device can include a substrate having emission and non-emission areas and sub-pixels, an insulating layer on the substrate, a first electrode in the sub-pixels, a bank on the insulating layer and including an opening exposing the first electrode, an organic layer on the first electrode and a second electrode. Also, the bank includes first exposed side surfaces where a first area of the bank has been removed between the sub-pixels, and includes an undercut structure that extends further into the bank from lower ends of the first exposed side surfaces, and second exposed side surfaces where a second area of the bank has been removed between the sub-pixels, and which includes a trench structure from which a portion of a thickness of the insulating layer has been removed.
    Type: Application
    Filed: October 25, 2024
    Publication date: February 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: JeongGi YUN, Taehwan KIM, Nam-Yong KIM, Jonghan PARK
  • Publication number: 20250044901
    Abstract: A touch display panel having a plurality of light emitting elements; a plurality of color filters formed at positions corresponding to the plurality of light emitting elements; and an infrared fluorescent pattern comprising a plurality of individual infrared fluorescent cell patterns formed at positions corresponding to at least some of the plurality of color filters; and an infrared control film positioned on a light emitting surface of the display panel.
    Type: Application
    Filed: July 29, 2024
    Publication date: February 6, 2025
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jae Ho LEE, Ji Su YOON, Dong Ryul JUNG, Ji Seok YANG
  • Publication number: 20250046772
    Abstract: The substrate structure for transferring the pixel semiconductor light emitting device according to the embodiment may include a substrate having a plurality of assembly wiring; a partition wall disposed on the substrate and having an assembly hole into which a predetermined semiconductor light emitting device is assembled; and the partition wall may include a porous structure.
    Type: Application
    Filed: December 8, 2022
    Publication date: February 6, 2025
    Applicants: LG ELECTRONICS INC., LG DISPLAY CO., LTD.
    Inventors: Younho HEO, Hooyoung SONG
  • Publication number: 20250048739
    Abstract: A thin film transistor substrate includes a thin film transistor, on a substrate, including an active layer; a conductive material layer; and a gate electrode spaced apart and partially overlapping the active layer. The active layer includes a channel area partially overlapping the gate electrode, and a source area and a drain area connected to respective sides of the channel area. The conductive material layer includes a first and second conductive material layer respectively on the source drain areas. The first conductive material layer overlaps at least a portion of the channel area. The active layer includes an active hole in which the active layer is absent within an area defined by the active layer, and, in a plan view, the active hole extends from the channel area to the drain area.
    Type: Application
    Filed: July 25, 2024
    Publication date: February 6, 2025
    Applicant: LG DISPLAY CO., LTD.
    Inventors: ChanYong JEONG, JuHeyuck BAECK, Dohyung LEE, Younghyun KO, HongRak CHOI, Dohyun KWAK
  • Publication number: 20250044488
    Abstract: A display apparatus and a coherence prevention member are discussed. The display apparatus in one example includes a display panel configured to display an image, and a coherence prevention layer on the display panel. The coherence prevention layer includes a refractive index particle layer and a filling layer on the refractive index particle layer. The refractive index particle layer includes a light-transmissive matrix and refractive index particles dispersed in the light-transmissive matrix. Further, the filling layer and the refractive index particles have different refractive indices.
    Type: Application
    Filed: July 31, 2024
    Publication date: February 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: JuHun MIN, SunWoong KIM, SeungSoo YANG, DongUk KIM
  • Publication number: 20250048037
    Abstract: An acoustic apparatus can include a vibration member, a supporting member disposed at a first surface of the vibration member, a first vibration apparatus configured to vibrate the vibration member, and a driving circuit part electrically connected to the first vibration apparatus and configured to drive the first vibration apparatus. In addition, the driving circuit part can be disposed at an internal space between the vibration member and the supporting member.
    Type: Application
    Filed: July 24, 2024
    Publication date: February 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: YeongRak CHOI, Kwangho KIM, Taehyung KIM, Seonwook LEE
  • Publication number: 20250048809
    Abstract: A display device can include a light emitting package disposed in a first area on a substrate, where the light emitting package includes at least one first light emitting unit and a plurality of second light emitting units. The display device further includes at least one third light emitting unit disposed in a second area being adjacent to the first area, and a display panel disposed on the light emitting package and the at least one third light emitting unit. Each of the plurality of second light emitting units includes a light emitting chip and a light control unit disposed on the light emitting chip. Further, the light control unit is configured to change a path of light emitted from the light emitting chip.
    Type: Application
    Filed: July 31, 2024
    Publication date: February 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventor: YunSang KIM
  • Publication number: 20250048900
    Abstract: A foldable display apparatus in one example includes a display panel having folding area and non-folding area, and a light guide member disposed on the display panel and including the folding area and the non-folding area. The light guide member includes a plurality of first lens patterns disposed in the non-folding area, a first filling layer disposed in the non-folding area and disposed on the plurality of first lens patterns, and an intermediate layer disposed in the folding area. A difference between a modulus of an upper surface of the intermediate layer and a modulus of a lower surface of the intermediate layer is smaller than a difference between a modulus of the plurality of first lens patterns and a modulus of the first filling layer.
    Type: Application
    Filed: July 31, 2024
    Publication date: February 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventors: SeungSoo YANG, JuHun MIN, SunWoong KIM, DongUk KIM
  • Publication number: 20250048927
    Abstract: The present disclosure relates to an organic light emitting diode in which an emitting material layer disposed between two electrodes includes a first compound forming a fused ring among a boron atom and at least one of oxygen atom, sulfur atom and a selenium atom, and a second compound forming a fused ring between a boron atom and a nitrogen atom, and an organic light emitting device including the organic light emitting diode. The first compound and the second compound may be included in the same emitting material layer or adjacently disposed emitting material layers. The organic light emitting diode includes the emitting material layer where includes first and second compounds with adjusting their energy levels so that driving voltages of the organic light emitting diode can be lowered and luminous efficiency and luminous lifetime of the organic light emitting diode can be improved.
    Type: Application
    Filed: April 25, 2022
    Publication date: February 6, 2025
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Dong Ryun LEE, Suk Young BAE, Jong Uk KIM, Han Jin AHN, Jun Yun KIM
  • Publication number: 20250048898
    Abstract: An organic light emitting display apparatus includes a substrate; a plurality of organic light emitting elements disposed on the substrate; an optical control layer disposed on the plurality of organic light emitting elements; and a light guide member on the optical control layer; wherein the optical control layer includes a black matrix disposed at a boundary of adjacent organic light emitting elements among the plurality of organic light emitting elements; and wherein the light guide member includes a plurality of lens patterns having an irregular arrangement structure and a first refractive index; and a refractive layer disposed on the plurality of lens patterns and having a second refractive index different from the first refractive index.
    Type: Application
    Filed: May 30, 2024
    Publication date: February 6, 2025
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jungeun LEE, HwanKeon LEE, Hyunseok GO
  • Publication number: 20250048036
    Abstract: An apparatus includes a vibration member, a vibration apparatus configured to vibrate the vibration member, the vibration apparatus including a long side and a short side, and a pad member connected to a rear surface of the vibration apparatus, wherein the pad member includes a line shape which is parallel to a long-side length direction of the vibration apparatus, or is inclined from the long-side length direction of the vibration apparatus.
    Type: Application
    Filed: July 31, 2024
    Publication date: February 6, 2025
    Applicant: LG Display Co., Ltd.
    Inventor: Yongjoon Kim
  • Publication number: 20250048865
    Abstract: A display device includes a substrate including a display area in which subpixels are disposed and a non-display area which includes a pad area located in a first direction from the display area; an insulating layer stack located on the substrate, and having an outer side surface; a cathode located on the insulating layer stack, and disposed to extend from the display area to the non-display area; a first inorganic layer located on the cathode, and disposed to extend from the display area to the non-display area; an organic layer located on a part of the first inorganic layer, and having an outer sloped surface; a second inorganic layer located on the organic layer, disposed to extend from the display area to the non-display area, and disposed to extend along the outer sloped surface; and a stopper located on the insulating layer stack, and disposed outside the organic layer.
    Type: Application
    Filed: July 24, 2024
    Publication date: February 6, 2025
    Applicant: LG DISPLAY CO., LTD.
    Inventors: SungHo LEE, HyunTaek LIM, Joohwan HWANG, Huiseong YU, Seokmin HONG, Wooseok NOH, Youngjune GO, Hyejin KIM
  • Patent number: 12216853
    Abstract: A touch display device can include a plurality of touch electrodes disposed on or in a display panel; and a touch driving circuit configured to drive the plurality of touch electrodes by outputting a touch driving signal having a first level period and a second level period. Also, the touch driving circuit includes a current regulator configured to receive an input current from at least one of the plurality of touch electrodes during at least a partial period of the first level period and at least a partial period of the second level period of the touch driving signal, and scale down the input current to a first current and output the first current; and a converting integrator configured to output a sensing voltage based on the first current or a second current adjusted from the first current.
    Type: Grant
    Filed: November 14, 2023
    Date of Patent: February 4, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hongju Lee, Hyunwoo Kim, Jaekyu Park
  • Patent number: 12217681
    Abstract: A display device includes a display panel configured to display images, a plurality of circuit boards connected to one side of the display panel, a cable electrically connecting at least two of the plurality of circuit boards, voltage lines disposed on the cable, the plurality of circuit boards, and the display panel, a deviation compensation circuit configured to sense voltages transmitted through a circuit board on one side and a circuit board on the other side connected by the cable among the plurality of circuit boards and to output a signal based on the sensed voltages, and a variable circuit configured to compensate for a current difference between the circuit board on one side and the circuit board on the other side based on the signal output from the deviation compensation circuit.
    Type: Grant
    Filed: October 23, 2023
    Date of Patent: February 4, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Dong Ju Kim, Won Yong Jang
  • Patent number: 12216855
    Abstract: The present disclosure is directed to a touch display device that is capable of reducing a load of a touch sensor structure disposed in a display panel and improving the accuracy of touch sensing capabilities of the touch display device. In one aspect, touch electrode lines disposed on an active area are disposed to be separated into a plurality of sub-areas. A number of touch routing lines connected to the touch electrode lines are disposed on the active area, thus a touch sensor structure with a reduced load can be provided while minimizing an increase of a non-active area due to an arrangement of the touch routing lines.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: February 4, 2025
    Assignee: LG Display Co., Ltd.
    Inventors: SeungRok Shin, Sangkyu Kim, Yoonnara Jang, Jeonghoon Lee, DeukSu Lee
  • Patent number: D1060350
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: February 4, 2025
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Minhye Park