Patents Assigned to LG Display Co., Ltd.
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Patent number: 11928300Abstract: Disclosed herein is a touch display device and a display panel. The touch display device includes a display panel in which a plurality of X-touch electrode lines, which extend in a first direction and receive a touch driving signal through a plurality of X-touch lines, and a plurality of Y-touch electrode lines, which extend in a second direction and transmit a touch sensing signal through a plurality of Y-touch lines, are disposed, and a touch driving circuit configured to supply the touch driving signal to the plurality of X-touch electrode lines and receive the touch sensing signal from the Y-touch electrode line to sense a touch, wherein overlapping areas in which at least some of the plurality of X-touch lines overlap at least some of the plurality of Y-touch lines are different.Type: GrantFiled: September 1, 2022Date of Patent: March 12, 2024Assignee: LG Display Co., Ltd.Inventors: KyungSu Ha, Wooram Oh
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Patent number: 11930655Abstract: A display device is provided that includes a substrate including an active area and a non-active area, a planarization film disposed over the substrate, an anode electrode disposed on the planarization film and including a first hole in the non-active area, a bank disposed on the anode electrode, a cathode electrode disposed on the bank, an encapsulation layer disposed on the cathode electrode, and a touch sensor disposed on the encapsulation layer and including a touch line in the non-active area. Here, the first hole may be disposed not to overlap with the touch line.Type: GrantFiled: July 1, 2021Date of Patent: March 12, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Seongwoong Jeong, Minkyu Kim
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Patent number: 11929037Abstract: A display device includes a timing controlling part generating an image data, a data control signal and a gate control signal; a data driving part generating a data voltage using the image data and the data control signal; a gate driving part generating a gate voltage using the gate control signal; a display panel including a plurality of subpixels and displaying an image using the data voltage and the gate voltage; and a plurality of first MUX switches and a plurality of second MUX switches sequentially transmitting the data voltage to two of a same color among the plurality of subpixels.Type: GrantFiled: December 21, 2021Date of Patent: March 12, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Soon-Hwan Hong, Dae-Seok Oh, Seong-Yeong Kim, Kyung-Ah Chin
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Patent number: 11930672Abstract: A display device includes a substrate including a display area and a non-display area, the display area including pixels; data lines extending into the display area and connected to pixels; a first input pad in the non-display area and connected to the data lines; a switching transistor located in the non-display area between the first input pad and one side of the substrate and connected to the first input pad; and a second input pad in the non-display area and connected to a gate electrode of the switching transistor through a switching line.Type: GrantFiled: December 22, 2020Date of Patent: March 12, 2024Assignee: LG DISPLAY CO., LTD.Inventor: Yeong-Yun Yang
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Patent number: 11929033Abstract: A display device is disclosed by the present disclosure. The display device includes: a display panel having a plurality of sub-pixels, the sub-pixels being connected to a plurality of scan lines and a plurality of data lines; and a gate driver for supplying a scan signal at a high level to the plurality of scan lines. The gate driver may include: a first gate driver for outputting a carry signal at a low level; a second gate driver for outputting the scan signal at the high level based on the carry signal; a first clock signal line connected to the first and the second gate driver; and a second clock signal line connected to the first and the second gate driver. Accordingly, the gate driver can generate a high-level scan signal based on the low-level carry signal from the first gate driver.Type: GrantFiled: October 14, 2022Date of Patent: March 12, 2024Assignee: LG Display Co., Ltd.Inventors: Taehwi Kim, Soonsung Ahn
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Patent number: 11928285Abstract: A transparent display device with a touch sensor is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line, and may detect a line area, in which a defective touch sensor is included. The device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area disposed between the transmissive areas adjacent to each other. The device includes a touch line extended from the non-transmissive area and connected to a touch sensor electrode, and a common power line connected to a cathode electrode to supply a cathode power source. The non-transmissive area includes a cathode power area to which the cathode power source is applied through the common power line, the cathode power area includes a first cathode power area and a second cathode power area. The second cathode power area may have resistance higher than that of the first cathode power area.Type: GrantFiled: October 31, 2022Date of Patent: March 12, 2024Assignee: LG Display Co., Ltd.Inventors: JaeHee Park, MiReum Lee, Kihyung Lee
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Patent number: 11929024Abstract: The organic light emitting display device is driven to be divided into a refresh frame when the data voltage is programmed in the pixel and a reset frame when the anode electrode of the organic light emitting diode is reset, and the data voltage is maintained to a first level during the reset frame. Accordingly, a separate stage for applying an on bias stress is not provided so that the bezel may be reduced.Type: GrantFiled: November 29, 2021Date of Patent: March 12, 2024Assignee: LG Display Co., Ltd.Inventors: Minsu Kim, Wonkeun Park, Haejun Park, Jieun Kang, Youngtaek Hong
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Patent number: 11929026Abstract: A display device can include a light emitting element, and a pixel driving circuit connected to the light emitting element and configured to include first to fourth nodes. The pixel driving circuit can include a driving transistor connected to the first to third nodes, a plurality of switching transistors, and a storage capacitor. Among the plurality of switching transistors, the switching transistor connected to a source node of the driving transistor is controlled by a second scan signal, and is configured to apply a data voltage to the source node of the driving transistor. The second scan signal can be applied one or more times during one frame.Type: GrantFiled: November 14, 2022Date of Patent: March 12, 2024Assignee: LG DISPLAY CO., LTD.Inventors: SungBin Ryu, JaeYong You
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Patent number: 11930657Abstract: The present disclosure discloses a display apparatus, including a substrate including a pixel area including a disconnected area which encloses a hole area, an organic light emitting diode formed in the pixel area and the disconnected area, a plurality of inorganic insulating layers disposed below the organic light emitting diode, a disconnection structure which is disposed in the disconnected area and encloses the hole area, and an internal dam which is disposed in the disconnected area and encloses the disconnection structure, and in which the disconnection structure includes an eave portion which is simultaneously formed with the internal dam and a trench which is formed by etching the plurality of inorganic insulating layers disposed below the eave portion, and the disconnection structure is configured to have a predetermined overhang and a predetermined depth by the eave portion and the trench structure.Type: GrantFiled: June 16, 2020Date of Patent: March 12, 2024Assignee: LG DISPLAY CO., LTD.Inventors: Daegyu Jo, SungGyu Kim
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Publication number: 20240077759Abstract: A display apparatus includes a display panel including a pixel area in which a plurality of pixels is disposed and a peripheral area outside the pixel area; a transmissive light source disposed in a first area of the pixel area; and a timing controller which controls the transmissive light source not to emit light when pixels disposed corresponding to the first area of the pixel area among the plurality of pixels are present in at least one of an image data input period and a pixel light emission period.Type: ApplicationFiled: November 13, 2023Publication date: March 7, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Junghoon LEE, NamYong GONG
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Publication number: 20240080614Abstract: An apparatus includes a vibration member, a vibration apparatus configured to vibrate the vibration member, a supporting member at a rear surface of the vibration member with a first space therebetween, and an enclosure configuring a second space at a rear surface of the supporting member overlapping with the vibration apparatus. The first space may be connected with the second space.Type: ApplicationFiled: August 25, 2023Publication date: March 7, 2024Applicant: LG Display Co., Ltd.Inventor: Sungtae Lee
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Publication number: 20240080624Abstract: A vibration apparatus includes a frame having an accommodating space, a magnet accommodated into the accommodating space and including a first magnet and a second magnet at a periphery of the first magnet, a bobbin accommodated into the accommodating space and including a first bobbin at a periphery of the first magnet and a second bobbin at a periphery of the first bobbin, a coil including a first coil at a periphery of the first bobbin and a second coil at a periphery of the second bobbin, and a protection member including a first protection member connected to the first bobbin and a second protection member connected to the second bobbin. The second protection member is disposed apart from the first protection member.Type: ApplicationFiled: September 1, 2023Publication date: March 7, 2024Applicant: LG Display Co., Ltd.Inventor: Sungtae LEE
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Publication number: 20240079414Abstract: A display device according to an example includes a plurality of sub pixels disposed on a substrate, and a plurality of touch units disposed on the substrate. Each sub pixel can include a driving transistor, a light emitting diode, and a pixel electrode connecting the driving transistor and the light emitting diode. Each touch unit can include a touch sensing transistor and a touch electrode connected to the touch sensing transistor, where the pixel electrode and the touch electrode are disposed on the same layer. Accordingly, the pixel electrode and the touch electrode are disposed on the substrate to sense the touch by a self-capacitance manner.Type: ApplicationFiled: August 30, 2023Publication date: March 7, 2024Applicant: LG Display Co., Ltd.Inventors: Daeyoung SEO, Hun JANG, HyunGon KIM
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Publication number: 20240078959Abstract: Embodiments of the present disclosure relate to a pixel circuit comprising: a light emitting device which emits light with a luminance corresponding to an amount of driving current applied thereto; a driving transistor which controls the amount of the driving current applied to the light emitting device; a storage capacitor which is connected to the driving transistor; a first transistor which is turned on according to a first scan signal and transmits a data voltage to the storage capacitor; and a second transistor which is turned on according to a second scan signal and diode-connects the driving transistor, wherein the driving transistor and the first transistor are low temperature poly-silicon (LTPS) thin film transistors, and wherein the second transistor is an oxide semiconductor thin film transistor.Type: ApplicationFiled: July 20, 2023Publication date: March 7, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Hyoungsik KIM, Wookyu SANG
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Publication number: 20240079522Abstract: A light-emitting device and a method for manufacturing the light-emitting device are discussed. The light-emitting device can include a nitride semiconductor structure including a first semiconductor layer, an active layer and a second semiconductor layer; a passivation pattern disposed on opposing side surfaces of the nitride semiconductor structure; a first electrode electrically connected to the first semiconductor layer; and a second electrode electrically connected to the second semiconductor layer. An upper surface of the passivation pattern can be disposed to be substantially coplanar with an upper surface of the second semiconductor layer.Type: ApplicationFiled: August 16, 2023Publication date: March 7, 2024Applicant: LG Display Co., Ltd.Inventors: Dongwon YANG, Jung-Hun CHOI
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Publication number: 20240077978Abstract: A flexible display device includes a display panel having an active area including a plurality of pixels displaying an image and a non-active area surrounding the active area, first data pads disposed in the non-active area adjacent to the active area of the display panel and electrically connected with the plurality of pixels, pads disposed in a direction away from the first data pads and the active area, second data pads disposed between the first data pads and the pads, and a protrusion pattern located between the second data pads and the third data pads and disposed on an upper part of the insulating layer.Type: ApplicationFiled: November 2, 2023Publication date: March 7, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Kiyoung SUNG, SangHo KIM, Eunjin OH
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Publication number: 20240080612Abstract: An apparatus can include a vibration member, a vibration apparatus configured to vibrate the vibration member, a supporting member disposed at a rear surface of the vibration member, and a porous member disposed between the vibration member and the supporting member. Also, the porous member can be spaced apart from the vibration apparatus.Type: ApplicationFiled: September 5, 2023Publication date: March 7, 2024Applicant: LG Display Co., Ltd.Inventor: Sungtae LEE
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Publication number: 20240080629Abstract: An apparatus includes a display member configured to display an image, a front member at a front surface of the display member, a vibration apparatus at a rear surface of the display member, and an adhesive member between the display member and the front member, the adhesive member including a piezoelectric material.Type: ApplicationFiled: November 7, 2023Publication date: March 7, 2024Applicant: LG Display Co., Ltd.Inventors: Giyoun KIM, Eun ROH
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Publication number: 20240080597Abstract: An apparatus for outputting sound includes a vibration plate, a vibration element at a rear surface of the vibration plate, and a vibration reflecting member spaced apart from the vibration element to face a lateral surface of the vibration element. The vibration reflecting member includes a metal material.Type: ApplicationFiled: November 7, 2023Publication date: March 7, 2024Applicant: LG DISPLAY CO., LTD.Inventors: Taehyung Kim, YoungYoon You, GeunChang Park
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Publication number: 20240080613Abstract: An apparatus includes a vibration member, a supporting member disposed at a rear surface of the vibration member, the supporting member including at least one first hole, a vibration apparatus accommodated into the at least one first hole, the vibration apparatus including a plurality of second holes, and a cover member covering the plurality of second holes.Type: ApplicationFiled: September 1, 2023Publication date: March 7, 2024Applicant: LG DISPLAY CO., LTD.Inventor: Sungtae LEE