Patents Assigned to LG Display Co., Ltd.
  • Patent number: 11974486
    Abstract: A display device and a mobile terminal device including the same are provided, wherein the display device includes a display panel including a display area in which a plurality of display pixels are disposed, and a sensing area in which a plurality of display pixels and a plurality of sensor pixels are disposed. The display pixels of the display area and the display pixels of the first sensing area emit light by receiving a data voltage of an input image in a display mode. The sensor pixels in the first sensing area generate an electric currents according to light reflected from a fingerprint in a fingerprint recognition mode. A resolution of the display pixel is lower than a resolution of the sensor pixel in the first sensing area.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: April 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Man Hyeop Han, In Hyuk Song, Seung Taek Oh
  • Patent number: 11973924
    Abstract: A barrier panel includes a first substrate and a second substrate having block region and transmission region; a liquid crystal layer between the first and second substrates, the liquid crystal layer including a plurality of liquid crystal molecules aligned in a predetermined direction; a plurality of barrier electrodes in the block region and the transmission region of the first substrate; a common electrode on the second substrate to apply an electric field to the liquid crystal layer with the plurality of barrier electrodes; a diffraction unit in the plurality of barrier electrodes to diffract the light transmitting therethrough; and a polarization plate over the second substrate, wherein an optical axis direction of the polarization plate is parallel to the alignment direction of the liquid crystal molecule to transmit an image through an area where the electric field is not applied.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: You-Yong Jin, Hee-Jin Im, Yong-Ku Lee, Wook Jeon
  • Patent number: 11972728
    Abstract: A light emitting display device includes a display panel including a subpixel, and a driver configured to drive the display panel, and in the subpixel, initialization of both ends of an organic light emitting diode is performed simultaneously with writing of a data voltage.
    Type: Grant
    Filed: October 30, 2022
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jin Woo Lee, Yi Yeon Hwang, Hee Young Chae
  • Patent number: 11974446
    Abstract: Disclosed are a white organic light emitting element, which may uniformize the color coordinates of white regardless of a change in current density by changing the configuration of different kinds of light emitting layers contacting each other, and a display device using the same.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: April 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Wook Song, Eun-Jung Park, Chun-Ki Kim, Se-Ung Kim
  • Patent number: 11972715
    Abstract: A display apparatus includes a display panel including data lines extending in a first direction, gate lines extending in a second direction which differs from the first direction, and unit pixels connected to the data lines and the gate lines, wherein each of the unit pixels includes a white pixel and a plurality of color pixels, an nth white pixel arranged at an nth position among white pixels arranged in the first direction is connected to an odd white data line (where n is an odd number), and an n+1th white pixel arranged at an n+1th position among white pixels arranged in the first direction is connected to an even white data line.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jihun Kim, Joon-Min Park
  • Patent number: 11972704
    Abstract: The flexible display device may include a display panel, including a display area, a non-display area and a bending area, bent in a rear direction so that one edge of the display panel has a predetermined curvature, a first back plate and a second back plate, disposed on a rear surface of the display panel, a cushion tape disposed on a rear surface of the first back plate, and a fixing tape, disposed between the cushion tape and the second back plate, made of an adhesive layer in the bending area. Accordingly, there is an effect of improving the quality of the flexible display device by reducing the peeling defect of the bending area.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Junho Yun, DongWon Jang, Lokdam Baek
  • Patent number: 11972714
    Abstract: A display device including a display panel configured to display an image, a data driver configured to supply a data voltage to the display panel and having a precharge circuit configured to perform a precharging operation, and a timing controller configured to control the data driver, wherein the charge circuit generates a precharge voltage based on a precharge signal supplied in a horizontal blank period and is controlled to output or not output the precharge voltage based on a precharge selection signal.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Chang Hun Cho
  • Patent number: 11974066
    Abstract: A display apparatus includes a display panel, a back cover accommodating the display panel, and a sound output unit including at least one sound output module disposed to overlap the display panel. The at least one sound output module includes a support plate including an uneven surface and a piezoelectric element attached on the uneven surface of the support plate and has a shape corresponding to the uneven surface of the support plate. Accordingly, a sound having a straight characteristic within an audible frequency domain may be output, thereby enhancing a sense of reality and an immersion of a viewer watching an image displayed by the display apparatus.
    Type: Grant
    Filed: January 11, 2021
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sung-Eui Shin, Chiwan Kim, Taeheon Kim, YongWoo Lee, Kyungyeol Ryu, YuSeon Kho
  • Patent number: 11972080
    Abstract: A touch display device and a film for the touch display device, capable of increasing power efficiency to provide a hover touch function, by providing a touch display device comprising a display panel having a plurality of subpixels, and having a plurality of data lines and a plurality of gate lines electrically connected with the plurality of subpixels, a touch panel having a plurality of driving touch electrodes positioned to overlap with at least one subpixel among the plurality of subpixels, a touch driving signal for touch sensing applied to one or more driving touch electrodes among the plurality of driving touch electrodes, and a magnetic substance disposed around each of the plurality of driving touch electrodes, on the plurality of driving touch electrodes.
    Type: Grant
    Filed: October 7, 2022
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Wonrae Kim, KyungKook Jang, JongHoon Woo, Sungjin Kim
  • Patent number: 11974480
    Abstract: An organic light emitting display apparatus includes a substrate including a plurality of pixels. The organic light emitting display apparatus further includes a plurality of organic light emitting diodes on the substrate so as to correspond to the plurality of pixels. The plurality of pixels includes a first pixel, a second pixel, a third pixel, and a fourth pixel which emit different color light. Each of the plurality of organic light emitting diodes includes a first electrode, a light emitting portion on the first electrode and a second electrode on the light emitting portion. A thickness of the first electrode of the first pixel is different from a thickness of the first electrode of the second pixel, and the thickness of the first electrode of the second pixel is different from a thickness of the first electrode of the third pixel.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jaeho Lee, Wonhoe Koo, Dongmin Sim, Taemin Kim, Hyekyung Choi, Kyunghoon Han
  • Patent number: 11974489
    Abstract: An organic light emitting display apparatus includes an organic light emitting display panel including a display area having a transparent area and an opaque area, and a non-display area. A gate driver is configured to sequentially supply a gate pulse to a plurality of gate lines included in the organic light emitting display panel. An initialization circuit is configured to transfer gate pulses or initialization control signals, output from the gate driver, to a plurality of transparent area gate lines. A camera is configured to photograph a region in a forward direction with respect to the organic light emitting display panel, and the camera may be provided in the transparent area of a rear surface of the organic light emitting display panel. A first pixel driving circuit provided in the transparent area may differ from a second pixel driving circuit provided in the opaque area.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: April 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hyoung-Su Kim, Jonghyeok Im, Gyungmin Kim
  • Publication number: 20240136362
    Abstract: A thin film transistor can include an active layer; a gate electrode at least partially overlapping with the active layer; and a source electrode and a drain electrode spaced apart from each other and connected to the active layer, respectively. Also, the active layer includes a channel overlapping with the gate electrode; a first connection portion connected to a first side of the channel portion; and a second connection portion connected to a second side of the channel portion. Also, the channel has a crystalline structure, the first connection portion includes a first amorphous portion contacting the channel, and the second connection portion includes a second amorphous portion contacting the channel.
    Type: Application
    Filed: October 9, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: JeeHo PARK, Sohyung LEE, Hyunki KIM
  • Publication number: 20240138238
    Abstract: A display apparatus includes a support member, a display panel located above the support member, a fixing layer between the support member and the display panel, a cover member located above the display panel and including an active area and a non-active area adjacent the active area, and at least one light shielding layer disposed on a rear surface of the cover member and overlapping the non-active area. The support member includes a base part overlapping the display panel and at least one extension part extending from the base part and protruding from a side surface of the display panel. Further, the extension part covers the side surface of the display panel.
    Type: Application
    Filed: October 17, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventor: Yongsang KIM
  • Publication number: 20240138181
    Abstract: A display apparatus can include a substrate including a hole area, an insulating layer disposed over the substrate, a transistor including a gate electrode, a source electrode and a drain electrode over the insulating layer, a planarization layer over the transistor, an anode electrode on the planarization layer, an organic light emitting layer on the anode electrode, and a cathode electrode on the organic light emitting layer. Also, he display apparatus can further include a bank-spacer layer over the anode electrode and partitioning the organic light emitting layer, a plurality of signal lines, a dam disposed between the hole area and the plurality of signal lines, and a structure disposed between the dam and the hole area. Also, the bank-spacer layer is configured by a half-tone exposure process and the structure disconnects some of the cathode electrode and the organic light emitting layer.
    Type: Application
    Filed: December 18, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Daegyu JO, SungGyu KIM
  • Publication number: 20240136162
    Abstract: A substrate processing apparatus may be utilized, for example, for a horizontally fixed organic material deposition equipment for manufacturing large-area displays. A substrate processing apparatus may include a titanium cooling plate having an upper surface and a lower surface; an electrostatic chuck including a first dielectric layer provided on the lower surface, an electrode layer provided on the first dielectric layer, and a second dielectric layer provided on the first dielectric layer and the electrode layer, and chucking a glass substrate using an electrostatic force; and a yoke plate positioned on the upper surface and chucking a mask using a magnetic force. The titanium cooling plate may further includes a first channel provided from the upper surface, a second channel provided from the first channel, and a titanium cover plate coupled to the first channel. The titanium cooling plate may provide a cooling flow path using the second channel.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 25, 2024
    Applicants: LG DISPLAY CO., LTD., ELECTRO STATIC TECHNOLOGY, INC.
    Inventors: Young Gon KIM, Jong Woo LIM, Nam Hui LEE, Min Choul HYUN, Dongwook KIM, Jewook KIM
  • Publication number: 20240136363
    Abstract: A pixel can include a light emitting diode; a driving transistor including a gate electrode connected to a first node between a high potential voltage line and a second node, the driving transistor being configured to drive the light emitting diode; a storage capacitor connected between the first node and a third node; a first transistor connected between the third node and a data line, the first transistor including a gate electrode connected to a scan signal line; a second transistor connected between the first node and the second node, and including a gate electrode connected to the scan signal line; a third transistor connected between the third node and a fourth node, the third transistor including a gate electrode connected to an emission signal line. Also, the pixel can include a voltage divider configured to internally generate a reference voltage and output the reference voltage to the fourth node.
    Type: Application
    Filed: September 8, 2023
    Publication date: April 25, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: MyungSub LIM, SungJoon MIN, HaeYoon JUNG, Sujin HAM, YuRa JEONG, Heewon KIM
  • Publication number: 20240138219
    Abstract: The present disclosure provides a display device including: a first optical area included in a display area in which one or more images can be displayed and allowing light to be transmitted; a normal area included in the display area and located outside of the first optical area; a first optical bezel area included in the display area and located between the first optical area and the normal area; a first anode electrode of a first light emitting element disposed in the first optical area; a first pixel circuit disposed in the first optical bezel area; a first anode extension line electrically interconnecting the first anode electrode and the first pixel circuit; and at least one first compensation line connected in parallel with at least a portion of the first anode extension line.
    Type: Application
    Filed: August 16, 2023
    Publication date: April 25, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Sungwoo JUN, Hyunguk Jang
  • Publication number: 20240137710
    Abstract: A display device includes a piezoelectric element vibrated according to input audio signals, a display panel configured to display an image, and an elastic member configured to connect a portion of the piezoelectric element and the display panel to transmit a vibration of the piezoelectric element to the display panel to improve sound quality in a display device which emits a sound from a display panel.
    Type: Application
    Filed: December 29, 2023
    Publication date: April 25, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Jae-Hun YE
  • Patent number: D1025091
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Byeongseong So
  • Patent number: D1025092
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: April 30, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Byeongseong So