Patents Assigned to LG Display Co., Ltd.
  • Patent number: 11935909
    Abstract: An electronic device includes a first module and a second module stacked upon the first module in a stacking direction. The first module includes a pixel substrate and a counter substrate disposed opposite to each other. The pixel substrate is defined with a plurality of pixels. The second module is disposed at one side of the first module adjacent to the counter substrate and away from the pixel substrate. The second module includes a plurality of micro-photoelectric units and a protection layer. The protection layer stacks upon the micro-photoelectric units and is disposed at one side of the second module away from the first module. Each of the micro-photoelectric units unshields one or more of the pixels in the stacking direction. Each micro-photoelectric unit includes a micro-photoelectric element, and at least one of the micro-photoelectric elements is a sensor element.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: March 19, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Hsien-Te Chen
  • Publication number: 20240090298
    Abstract: A light emitting display apparatus can include a substrate having a unit pixel area; and a red subpixel, a white subpixel, a blue subpixel and a green subpixel disposed in the unit pixel area, the white subpixel having a light emission portion and a non-light emission portion, in which the light emission portion of the white subpixel includes a first light emission portion and a second light emission portion spatially spaced apart from each other. Also, the first light emission portion and the second light emission portion are configured to have different sizes from each other, and the first light emission portion and the second light emission portion of the white subpixel have light extraction structures different from each other.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 14, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Jihyang JANG, Jintae KIM
  • Publication number: 20240089657
    Abstract: A sound control system includes a sound generating device disposed at a vehicle ceiling corresponding to a seat region of the vehicle and at a sound space formed within the vehicle to correspond to the seat region, and a sound processing circuit for providing a vibration driving signal to the sound generating device. The sound generating device vibrates an interior material of the vehicle ceiling based on the vibration driving signal.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 14, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Taehyung KIM, Jeonggoo KANG
  • Publication number: 20240089652
    Abstract: 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, an enclosure at a rear surface of the supporting member overlapping with the vibration apparatus, and a porous member between the rear surface of the supporting member and the enclosure.
    Type: Application
    Filed: August 29, 2023
    Publication date: March 14, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Sungtae LEE
  • Publication number: 20240090268
    Abstract: A display panel can include a first area including a first plurality of subpixels, a second area including a second plurality of subpixels, and at least one light-transmitting portion between adjacent subpixels among the second plurality of subpixels. Also, a first subpixel in the first area includes a first light emitting layer, a first thin film transistor including a first channel area, and a first conductive member disposed under and overlapping with the first channel area of the first thin film transistor, and a second subpixel in the second area includes a second light emitting layer, a second thin film transistor including a second channel area, and a second conductive member disposed under and overlapping with the second channel area of the second thin film transistor. The first conductive member in the first subpixel in the first area is on a higher layer than the second conductive member.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Mihee SHIN, Minha KANG, JuhnSuk YOO, YongMin HA
  • Publication number: 20240085999
    Abstract: A touch display device can include a display panel including a plurality of data lines, a plurality of gate lines, a plurality of subpixels, and a plurality of touch electrodes, each of the plurality of subpixels including a light emitting element and a driving transistor; and a signal conversion circuit configured to supply a driving signal to the plurality of subpixels in the display panel or a driving circuit connected to the display panel. Also, the driving signal can have a signal waveform corresponding to a signal waveform of a first power signal or a signal waveform of a second power signal.
    Type: Application
    Filed: July 27, 2023
    Publication date: March 14, 2024
    Applicant: LG Display Co., Ltd.
    Inventor: CheolSe KIM
  • Publication number: 20240087506
    Abstract: A display device can operate in a first mode for displaying at least a first image including first frames based on a first driving frequency, or in a second mode for displaying a second image including second frames based on a second driving frequency different from the first driving frequency. Further, when the first image displayed on the display panel operating in the first mode is changed to a third image, at least one frame among third frames running after the first image has been displayed among the plurality of frames displaying the third image operates at the second driving frequency based on the second mode. Also, in the first mode, the second image includes reset frames for periodically resetting a voltage of an anode electrode between refresh frames for supplying at least one data signal to at least one of the plurality of pixels for a preset time.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 14, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: HyunKyo LIM, DongSup SIM
  • Publication number: 20240086000
    Abstract: A touch display device in one example includes a blocking structure disposed on a substrate and surrounding at least a part of a display area of the substrate, and first touch electrode lines extending in a first direction in the display area. Each of the first touch electrode lines includes first touch electrodes. The touch display device further includes first touch lines disposed on the substrate where a same signal is applied to the first touch electrodes of one of the first touch electrode lines by one of the first touch lines, second touch electrode lines disposed between the first touch electrodes in the display area, and second touch lines disposed on the substrate. Each of the second touch electrode lines is electrically connected to one of the second touch lines.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 14, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Sang Jin KIM, In Tae KO
  • Publication number: 20240087538
    Abstract: A display device according to an exemplary embodiment of the present disclosure includes a light emitting diode and a pixel driving circuit which drives the light emitting diode, the pixel driving circuit includes a driving transistor which applies a driving current to the light emitting diode, a first transistor which applies a first reference voltage to a gate electrode of the driving transistor, a second transistor which applies a data voltage to the gate electrode of the driving transistor, a third transistor which applies a second reference voltage to a source electrode of the driving transistor, and a storage capacitor connected to the gate electrode and the source electrode of the driving transistor. According to the present disclosure, the threshold voltage Vth and the mobility of the driving transistors are internally compensated to improve an image quality.
    Type: Application
    Filed: September 6, 2023
    Publication date: March 14, 2024
    Applicants: LG Display Co., Ltd., Industry-University Cooperation Foundation Hanyang University
    Inventors: Harkjin KIM, Kwanghwan JI, Byong-Deok CHOI, Bum Sik KIM, Dong Young KIM, Yong Duck KIM, June Hee LEE
  • Publication number: 20240086012
    Abstract: A display device having a touch sensor can include a display panel including a plurality of touch electrodes, and a readout integrated circuit (IC). Also, the readout IC is configured to apply a touch driving signal to the plurality of touch electrodes and amplify charges from the plurality touch electrodes according to an amplifier reset signal to generate an amplifier output voltage, and differentially adjust a toggle timing of the amplifier reset signal based on positions of the plurality of touch electrodes to control a level of the amplifier output voltage.
    Type: Application
    Filed: November 17, 2023
    Publication date: March 14, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Hyun Woo JANG, Ki Yong KIM, Jae Kyu PARK, Young Woo JO
  • Publication number: 20240090276
    Abstract: A display panel include a data signal line for supplying a data signal; a scan signal line for supplying a scan signal; and a subpixel connected to the data signal line and the scan signal line and including a first transistor including a first active layer, a first source electrode connected to one side of the first active layer, a first drain electrode connected to another side of the first active layer, and a first gate electrode overlapping with the first active layer, overlapping with all or at least a portion of the first source electrode, and overlapping with all or at least a portion of the first drain electrode, and are capable of preventing the exposure of the first transistor to light or hydrogen, and thereby preventing a decrease in characteristics of the first transistor due to light or hydrogen.
    Type: Application
    Filed: August 21, 2023
    Publication date: March 14, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: ChanYong JEONG, Younghyun KO, JuHeyuck BAECK
  • Publication number: 20240090326
    Abstract: The present disclosure relates to an organic compound having the following structure, and an organic light emitting diode (OLED) and an organic light emitting device including the organic compound. The organic compound can be a bipolar compound having a p-type moiety and an n-type moiety and has high energy level and proper energy bandgap for an emissive layer of the OLED. As the organic compound is applied into the emissive layer, the OLED can maximize its luminous properties as holes and electrons are recombined uniformly over the whole area in an emitting material layer (EML).
    Type: Application
    Filed: September 26, 2023
    Publication date: March 14, 2024
    Applicants: LG DISPLAY CO., LTD, KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Kyung-Jin YOON, Dae-Wi YOON, Ji-Ae LEE, Su-Na CHOI, Dong-Hoon CHOI, Min-Ju CHO, JiWon YOON
  • Patent number: 11930655
    Abstract: 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: Grant
    Filed: July 1, 2021
    Date of Patent: March 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Seongwoong Jeong, Minkyu Kim
  • Patent number: 11929057
    Abstract: A display apparatus includes a display panel configured to include first to eleventh regions, at least one first to third vibration devices respectively at the first to third regions, at least one fourth to eighth vibration devices respectively at the fourth to eighth regions, at least one ninth to eleventh vibration devices respectively at the ninth to eleventh regions, a first partition between the first and third regions, a second partition between the second and third regions, a third partition between the fourth and seventh regions, a fourth partition between the fourth and eighth regions, a fifth partition between the sixth and seventh regions, and a sixth partition between the sixth and eighth regions. A length of one or more among the first and second partitions may differ from a length of one or more among the third to sixth partitions.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: March 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YeongRak Choi, Sungtae Lee, Sungsu Ham, Joongsup Han
  • Patent number: 11930672
    Abstract: 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: Grant
    Filed: December 22, 2020
    Date of Patent: March 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Yeong-Yun Yang
  • Patent number: 11930338
    Abstract: A display apparatus includes a display panel configured to display an image by emitting light, and a sound generating device on a rear surface of the display panel. The sound generating device includes a bobbin, and a protection member on the bobbin.
    Type: Grant
    Filed: March 19, 2021
    Date of Patent: March 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YeongRak Choi, KwanHo Park, Sungtae Lee
  • Patent number: 11929033
    Abstract: 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: Grant
    Filed: October 14, 2022
    Date of Patent: March 12, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Taehwi Kim, Soonsung Ahn
  • Patent number: 11929026
    Abstract: 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: Grant
    Filed: November 14, 2022
    Date of Patent: March 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: SungBin Ryu, JaeYong You
  • Patent number: 11930657
    Abstract: 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: Grant
    Filed: June 16, 2020
    Date of Patent: March 12, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Daegyu Jo, SungGyu Kim
  • Patent number: 11928285
    Abstract: 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: Grant
    Filed: October 31, 2022
    Date of Patent: March 12, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: JaeHee Park, MiReum Lee, Kihyung Lee