Patents Assigned to LG Display Co., Ltd.
  • Publication number: 20240144848
    Abstract: The present disclosure relates a display device and a method compensating for deterioration thereof, and a mobile terminal including the display device. The display device includes: a display panel including a first pixel area, a second pixel area, and a third pixel area; a first optical device disposed below the display panel or embedded within the display panel in a predetermined sensing area on the display panel, the first optical device facing at least a portion of the first pixel area and a portion of the second pixel area when the display panel is folded or moved; and a pixel deterioration compensation circuit configured to operate to reduce a luminance difference between the first pixel area and the second pixel area by receiving sensing data from the first optical device in a deterioration sensing mode.
    Type: Application
    Filed: June 9, 2023
    Publication date: May 2, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Dong Gun LEE, Seung Taek OH, Yong Kyun CHOI, Jung Hoon LEE
  • Publication number: 20240147799
    Abstract: An organic light emitting device having a structure that a plurality of light emitting units are deposited, is disclosed, of which white color shift caused by variation of a viewing angle is reduced through a combination between dopant materials of the respective light emitting units. The organic light emitting device includes dopant materials emitting light of different wavelengths from the plurality of light emitting units. Therefore, in the organic light emitting device, variation of color and luminance, which is perceived by a user as a viewing angle is varied, may be reduced.
    Type: Application
    Filed: December 13, 2023
    Publication date: May 2, 2024
    Applicant: LG Display Co., Ltd.
    Inventor: Byungsoo Kim
  • Publication number: 20240142846
    Abstract: A light path control device can include a first substrate, a first electrode disposed on the first substrate, a second substrate disposed on the first substrate, a second electrode disposed below the second substrate, a light conversion layer disposed between the first electrode and the second electrode and including a barrier part and a receptacle part arranged alternately therein, an adhesive layer disposed between the first electrode and the light conversion layer, and an insulation thin film disposed between the bather part and the adhesive layer.
    Type: Application
    Filed: August 29, 2023
    Publication date: May 2, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Jaehyun PARK, Eunhee CHOI
  • Publication number: 20240147815
    Abstract: In one aspect, a display apparatus includes a display substrate including an active area configured to display an image and a non-active area enclosing the active area; a thin film transistor on the display substrate that includes a semiconductor layer, a gate electrode, a source electrode, and a drain electrode; a light emitting diode on the thin film transistor of the active area that includes a first electrode, an emission layer, and a second electrode; an encapsulation unit on the light emitting diode; a touch sensor on the encapsulation unit that includes a plurality of touch electrodes; a touch protection layer configured to cover the touch sensor; a dam on the encapsulation unit; a crack detection unit configured to detect at least one crack in the display apparatus; and a data line configured to supply common voltage to the light emitting diode.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 2, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Jongmoo HA, Geonwoo LEE
  • Publication number: 20240147830
    Abstract: The present disclosure relates to an organometallic compound having the following structure of Chemical Formula 1, Ir(LA)m(LB)n, an organic light emitting diode (OLED) where the organometallic compound is applied to an emitting material layer and an organic light emitting device. The luminous efficiency, color purity and luminous lifespan of the OLED and the organic light emitting device can be improved.
    Type: Application
    Filed: May 10, 2023
    Publication date: May 2, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Tae-Ryang HONG, In-Bum SONG, Sung-Jin PARK, Jae-Min MOON, Seok-Woo KANG
  • Publication number: 20240147763
    Abstract: A thin film transistor array substrate includes a substrate including an active area and a non-active area, a first thin film transistor disposed on the substrate, and a first light shielding pattern between the substrate and the first thin film transistor, the first thin film transistor includes a first oxide semiconductor pattern disposed on the substrate, a first gate electrode, a first gate insulating layer interposed between the first oxide semiconductor pattern and the first gate electrode, a first source electrode, and a first drain electrode, the first light shielding pattern electrically connected to one of the first source electrode and the first drain electrode is disposed under the first oxide semiconductor pattern, and the first oxide semiconductor pattern includes a first portion configured to form a first parasitic capacitance, together with the first gate electrode, and a second portion configured to form a second parasitic capacitance different from the first parasitic capacitance, together w
    Type: Application
    Filed: September 14, 2023
    Publication date: May 2, 2024
    Applicant: LG Display Co., Ltd.
    Inventor: Jeong Yeop LEE
  • Publication number: 20240145656
    Abstract: According to an aspect of the present disclosure, a display device includes: a substrate on which a plurality of sub-pixels is defined; a light-emitting element disposed on each of the plurality of sub-pixels and having an inversely tapered shape; a first connection electrode configured to surround a side surface of a lower portion of the light-emitting element; a second connection electrode configured to cover an upper portion of the light-emitting element; and a first planarization layer disposed between the first connection electrode and the second connection electrode. Therefore, the first connection electrode, which surrounds a lower portion of the light-emitting element, may be formed to be spaced apart from an upper portion of the light-emitting element by using the light-emitting element having an inversely tapered shape.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 2, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: YoungIn JANG, Soyoung LEE, HyunGon KIM
  • Publication number: 20240145648
    Abstract: A light emitting diode display device includes a light emitting diode over a substrate, a plurality of patterns provided over the light emitting diode and configured to have a first refractive index, each of the plurality of patterns including an inclined surface, a first planarization layer provided over the plurality of patterns and configured to have a second refractive index different from the first refractive index.
    Type: Application
    Filed: October 27, 2023
    Publication date: May 2, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Yanghwan KIM, MoonBong SONG, SeongKyong PARK, Hoon KANG
  • Publication number: 20240145634
    Abstract: A display device includes a substrate including a plurality of sub pixels; a first lower assembly electrode in the plurality of sub pixels; a first assembly line in the plurality of sub pixels and disposed on a layer different from that of the first lower assembly electrode; a light emitting diode on the first lower assembly electrode and the first assembly line and including a first electrode, a semiconductor layer, and a second electrode; and a second lower assembly electrode between the first lower assembly electrode and the light emitting diode and electrically connected to the first electrode or the second electrode.
    Type: Application
    Filed: October 19, 2023
    Publication date: May 2, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Daeyoung SEO, Hun JANG
  • Publication number: 20240142773
    Abstract: A display apparatus according to an embodiment of this specification includes a display panel including a display area and a non-display area. It includes a light control film on the display panel and a cover member on the light control film. The light control film of the display apparatus according to an embodiment of this specification includes a plurality of louver layers and a reinforcing layer on the plurality of louver layers for improving appearance quality, reliability, and viewing angle luminance.
    Type: Application
    Filed: September 18, 2023
    Publication date: May 2, 2024
    Applicant: LG DISPLAY CO., LTD.
    Inventor: Sungkyu HAN
  • Publication number: 20240147800
    Abstract: An organic light emitting device having a structure that a plurality of light emitting units are deposited, is disclosed, of which white color shift caused by variation of a viewing angle is reduced through a combination between dopant materials of the respective light emitting units. The organic light emitting device includes dopant materials emitting light of different wavelengths from the plurality of light emitting units. Therefore, in the organic light emitting device, variation of color and luminance, which is perceived by a user as a viewing angle is varied, may be reduced.
    Type: Application
    Filed: December 13, 2023
    Publication date: May 2, 2024
    Applicant: LG Display Co., Ltd.
    Inventor: Byungsoo Kim
  • Publication number: 20240143026
    Abstract: A display apparatus can include a display panel including a folding area and a non-folding area adjacent to the folding area. The display apparatus can further include a supporting substrate disposed below the display panel, and including a plurality of opening patterns corresponding to the folding area, and a plurality of hole patterns or a plurality of groove patterns corresponding to the non-folding area.
    Type: Application
    Filed: July 11, 2023
    Publication date: May 2, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: Kelly Sooyeun SONG, MinHo LEE, Giyoun KIM
  • Publication number: 20240143036
    Abstract: A disclosed apparatus includes a panel configured to vibrate, a vibration generator configured to vibrate the panel, a first rear cover configured to support the vibration generator, a second rear cover configured to cover at least a portion of the first rear cover and the vibration generator, and a sound generator between the panel and the second rear cover. The second rear cover is configured to support a rear surface of the vibration generator.
    Type: Application
    Filed: December 31, 2023
    Publication date: May 2, 2024
    Applicant: LG Display Co., Ltd.
    Inventors: JeongMan LEE, Sunho PARK
  • 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: 11972069
    Abstract: A light emitting display device includes: a substrate including a display area in which a plurality of display pixels are disposed and a non-display area surrounding the display area; an encapsulation film covering the display area and the non-display area and having a first inorganic encapsulation layer, an organic encapsulation layer, and a second inorganic encapsulation layer stacked in an order; a first touch electrode disposed on the encapsulation film and extending in a first direction and a second touch electrode extending in a second direction; at least one inorganic insulating layer disposed on the substrate; a first planarization layer disposed on the inorganic insulating layer; a second planarization layer disposed on the first planarization layer; and a hole pattern formed in the second planarization layer. The hole pattern has the organic encapsulation layer therein.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: April 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Geon Jang, Jongmoo Ha
  • 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: 11973089
    Abstract: The present disclosure provides a display device comprising: a first thin film transistor including a first semiconductor pattern disposed on a substrate and comprising poly-silicon, and a first gate electrode; a middle layer on the first gate electrode; a second thin film transistor including a second semiconductor pattern disposed on the middle layer and comprising an oxide semiconductor, and a second gate electrode; and a storage capacitor including first to fourth storage electrodes overlapping with each other.
    Type: Grant
    Filed: December 7, 2022
    Date of Patent: April 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventor: Hyunsoo Lim
  • Patent number: 11972735
    Abstract: A display device comprises: a display panel including a scan line, a power supply line, and a pixel; a gate driver that supplies a scan signal to the pixel; and a bias driver that supplies a bias voltage to the pixel, wherein a driving period of the pixel includes a first and second frame that are different, wherein the first frame includes a first refresh period in which a first data voltage is written and a first reset period in which the first data voltage is maintained, wherein the second frame includes a second refresh period in which a second data voltage is written and a second reset period in which the second data voltage is maintained, and a first voltage pulse of the bias voltage during the first refresh period and a second voltage pulse of the bias voltage during the second refresh period are different.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: April 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventor: Jaehyoung Kim
  • 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