Patents Assigned to LG Display Co., Ltd.
  • Patent number: 11980054
    Abstract: A display apparatus including a heteromorphy lens disposed on a path of light emitted from a light-emitting device, a side surface of the heteromorphy lens toward a first direction has a shape different from a side surface of the heteromorphy lens toward a second direction perpendicular to the first direction, so that light can be condensed in the first direction and diffused in the second direction due to the heteromorphy lens, and the reduction in luminance can be minimized, and the viewing angle can be limited.
    Type: Grant
    Filed: April 19, 2021
    Date of Patent: May 7, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Woo Chul Choi, Seung Kwang Roh
  • Patent number: 11980067
    Abstract: A transparent display panel and a transparent display device including the same are disclosed. A transparent display panel includes a substrate having a display region including a plurality of light-emitting regions and a plurality of transmissive regions; and a plurality of line regions disposed over the substrate and extending across the display region, wherein an outer contour of each of the transmissive regions is at least partially curved or wherein each of the transmissive regions has a polygonal shape, and all internal angles of the polygon shape are obtuse. Thus, parallel regularity and periodicity of array of transmissive regions are avoided wherein a haze value is reduced by reducing or minimizing occurrence of light diffraction, and thus, clarity or visibility of an image is improved.
    Type: Grant
    Filed: November 6, 2020
    Date of Patent: May 7, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Euitae Kim, Changsoo Kim, Kiseob Shin
  • Patent number: 11980062
    Abstract: A display apparatus includes a first substrate including a plurality of pixel areas provided in a display portion, a second substrate coupled to the first substrate, and a routing portion disposed on an outer surface of the first substrate and an outer surface of the second substrate. The first substrate includes a dam pattern disposed along an edge of the display portion, a light emitting device layer including a light emitting device disposed on the dam pattern and in the plurality of pixel areas, and a trench pattern portion disposed near the dam pattern. The light emitting device is isolated by the trench pattern portion.
    Type: Grant
    Filed: December 30, 2020
    Date of Patent: May 7, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: YoungHo Jeon, JongHyun Park, DongHee Yoo
  • Patent number: 11980066
    Abstract: The present disclosure provides a light-emitting display apparatus including a substrate including a first region and a second region, a first thin-film transistor (TFT) disposed in the first region of the substrate and including a first semiconductor pattern, a first gate electrode, a first source electrode, and a first drain electrode, a second TFT disposed in the second region of the substrate and including a second semiconductor pattern, a second gate electrode, a second source electrode, and a second drain electrode, at least one insulating layer between the first semiconductor pattern and the second semiconductor pattern, a first blocking layer below the first semiconductor pattern, and a second blocking layer below the second semiconductor pattern.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: May 7, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Hyunseok Na, Sanggil Kim, JaeJun Ahn, Hyoungsun Park, ChangSuk Hyun
  • Patent number: 11979997
    Abstract: A foldable display device includes a display panel including a folding area and non-folding areas on both sides of the folding area and a back plate disposed under the display panel; and a support substrate disposed under the back plate and made of a metal or alloy including a plurality of pores, the support substrate includes a plurality of groove patterns recessed from a bottom surface toward a top surface of the support substrate and corresponding to the folding area, thereby minimizing recognition of the patterns in the folding area of the display panel and improve the folding properties.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: May 7, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventors: MooJin Kwak, Sangwook Woo, Sinchul Kang
  • 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: 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: 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: 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: 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
  • 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: 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: 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: 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: 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: 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: 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
  • Patent number: 11974469
    Abstract: Disclosed is a display device and a method of manufacturing the same having improved reliability. In the display device, at least one of a plurality of dielectric films disposed between an oxide semiconductor layer and a light-emitting device includes a lower region disposed on the oxide semiconductor layer and an upper region disposed on the lower region, the upper region including a trap element configured to trap hydrogen, whereby reliability of a thin film transistor including the oxide semiconductor layer is improved.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: April 30, 2024
    Assignee: LG Display Co., Ltd.
    Inventors: Jae Hyun Kim, Jin Chae Jeon, Sun Young Choi, Mi Jin Jeong, Jeoung In Lee
  • 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