Patents Assigned to LG Display Co., Ltd.
  • Publication number: 20210329358
    Abstract: A display apparatus includes a display panel configured to display an image, a front member on a front surface of the display panel, a supporting member on a rear surface of the display panel, a supporting frame on a rear surface of the front member, the supporting frame configured to surround a side surface of the supporting member and support the supporting member, and a vibration generating module supported by the supporting member and configured to vibrate the display panel.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 21, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Taehyung KIM, SunBok SONG, Seunghyeon KIM, SeulKi NAM
  • Publication number: 20210325968
    Abstract: The present disclosure relates to a vibration generation device, a display apparatus including the vibration generation device, and a vehicle including the vibration generation device. A vibration generation device includes a piezoelectric ceramic part having a certain interval, a piezoelectric material layer between the piezoelectric ceramic parts, and an electrode part configured to provide electric field to one or more of the piezoelectric ceramic part and the piezoelectric material layer.
    Type: Application
    Filed: June 25, 2021
    Publication date: October 21, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: Chiwan KIM, Taeheon KIM, Sung-Eui SHIN, YongWoo LEE, Kyungyeol Ryu, YuSeon KHO, YongGyoon JANG
  • Patent number: 11153688
    Abstract: A display apparatus includes: a display panel configured to display an image; a supporting member on a rear surface of the display panel, wherein the supporting member is configured to support the display panel; at least one sound generating device on the rear surface of the display panel, wherein the at least one sound generating device is configured to vibrate the display panel to generate sound; and a partition between the rear surface of the display panel and an upper surface of the supporting member, the partition including a first material and a second material.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: October 19, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Yeongrak Choi, Daeho Kim
  • Patent number: 11152598
    Abstract: An electroluminescent display device includes a thin film transistor disposed on a substrate; a passivation layer disposed on the thin film transistor; a plurality of metallic patterns disposed to be spaced apart from each other on the passivation layer; a reflective electrode disposed conforming to the shapes of the plurality of metallic patterns and a top surface of the passivation layer and including a plurality of protruding portions; an overcoat layer disposed on the passivation layer and the reflective electrode and including an opening configured to expose a top surface of each of the plurality of protruding portions; a first electrode disposed on the reflective electrode and the overcoat layer and electrically connected to the reflective electrode; an light-emitting layer disposed on the first electrode; and a second electrode disposed on the light-emitting layer.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: October 19, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yong-Hoon Choi, Won-Hoe Koo, Woo-Ram Youn
  • Patent number: 11150688
    Abstract: The present invention relates to a display device including a speaker using piezoelectric elements having an amplification effect in a low frequency range.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: October 19, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Tae-Hyung Kim, Geun-Chang Park
  • Patent number: 11152511
    Abstract: A thin-film transistor and a display panel are provided in which current characteristics of the thin-film transistor are improved by a dual gate electrode structure, and the output characteristics of the thin-film transistor are improved by dividing the top gate electrode (or bottom gate electrode) of the dual gate electrode into two electrodes and applying a back bias voltage to the top gate electrode adjacent to a source region. A high-resolution display panel or a transparent display panel is realized by increasing the aperture ratio (or transmittance) of the display panel using the highly integrated high-current device.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: October 19, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: SunWook Ko, KumMi Oh
  • Patent number: 11152452
    Abstract: An organic lighting apparatus can include a substrate; and a plurality of light-emitting portions disposed in a central area of the substrate, each of the plurality of light-emitting portions has a structure including: a first electrode, an organic light-emitting layer, a second electrode, a non-light-emitting area, a light-emitting area, and an electric current injection line disposed in the non-light emitting area, in which the electric current injection lines of at least two light-emitting portions have different lengths.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: October 19, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Hyunggun Ha
  • Patent number: 11153997
    Abstract: A display apparatus including a heat sink plane disposed on a bottom surface of a display panel and configured in such a way that a coupling groove with a circuit board accommodated therein is formed in the guide panel, which is coupled to the bottom surface of a heat sink plane, to attach and detach the circuit board into and from the coupling groove through a guide holder disposed on a guide panel.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 19, 2021
    Assignee: LG Display Co., Ltd.
    Inventor: Hyo-Jin Bang
  • Patent number: 11150757
    Abstract: Disclosed are a touch display device, a touch display panel, and a driving circuit. More specifically, the present disclosure provides a touch display device, a touch display panel, and a driving circuit which can simultaneously perform display driving and touch driving through a ground modulation technique.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: October 19, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Hoon Jang, SoonDong Cho, Wonyong Jang
  • Patent number: 11151925
    Abstract: Disclosed are a light emitting display device and a driving method thereof, wherein a sensing mode of the display device includes a first sensing step in which an electrical characteristic of a first sub-pixel is sensed, a first initialization step set in advance of the first sensing step, a second sensing step in which an electrical characteristic of the second sub-pixel is sensed, and a second initialization step set in advance of the second sensing step.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: October 19, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Hye Min Park, Dong Yoon Lee, Jin Woo Lee
  • Patent number: 11152582
    Abstract: The present application relates to a laminate and a method for preparing the same. The present application provides a laminate, including: a substrate; a first layer provided on the substrate; a second layer which is provided on the first layer and has an overhang structure with a width which is larger than that of the first layer; a conductive layer which is provided on the substrate and the second layer, in which the conductive layer provided on the substrate is electrically shorted from the conductive layer provided on the second layer.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: October 19, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Young Kyun Moon, Minsoo Kang
  • Patent number: 11150487
    Abstract: A stereoscopic display device has a barrier panel. The barrier panel of the stereoscopic display device may include sequentially stacked first channel electrodes, second channel electrodes, and third channel electrodes. Each of the third channel electrodes may be disposed between the second channel electrodes. A distance between the third channel electrodes may be the same as a horizontal width of each third channel electrode. Each of the first channel electrodes may include a first region overlapping with an end portion of the second channel electrode, and a second region overlapping with an end portion of the third channel electrode facing the end portion of the second channel electrodes overlapping with the first region of adjacent first channel electrode. Thus, in the stereoscopic display device, the number of stacked layers of the channel electrodes may be minimized, a proper viewing range for a stereoscopic image may be smoothly moved.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: October 19, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: You-Yong Jin, Wook Jeon, Ju-Hoon Jang, Dong-Yeon Kim, Woon-Chan Moon
  • Patent number: 11150511
    Abstract: Disclosed is a backlight unit comprising an optical unit including a substrate on which a plurality of light emitting devices for irradiating light are disposed, for uniformly distributing the light emitted from the plurality of light emitting devices, a cover bottom accommodating the optical unit, and a side housing fixed to the cover bottom and disposed to overlap at least a part of an upper surface of the optical unit. A display device using the backlight unit is also provided.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: October 19, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: YongSeok Lee, JinRyun Kim, YongJoong Yoon
  • Patent number: 11151920
    Abstract: A demultiplexer for sequentially outputting a data signal to a plurality of data lines disposed in a display panel can include a first switch connected to a first control node, the first switch being configured to electrically connect a first channel with a first data line among the plurality of data lines; a second switch connected to a second control node, the first switch being configured to electrically connect the first channel with a second data line among the plurality of data lines; a third switch connected to a third control node, the third switch being configured to electrically connect a second channel with a third data line among the plurality of data lines; and a fourth switch connected to a fourth control node, the fourth switch being configured to electrically connect the second channel with a fourth data line among the plurality of data lines, in which the first control node and the third control node are configured to receive a single first control signal, and be electrically disconnected fro
    Type: Grant
    Filed: July 5, 2019
    Date of Patent: October 19, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Yewon Hong, JungHyun Lee, TaeWoong Moon
  • Patent number: 11152444
    Abstract: A display panel and a display device includes a high-permittivity material disposed between electrodes of capacitor disposed in a subpixel. This increases the capacitance per area of the capacitor, such that a high-resolution display device is provided. A high-permittivity material is disposed in the insulating layer, and the surface of the insulating layer is planarized by polishing. The high-permittivity material is prevented from residing in any area, except for the area in which the capacitor is disposed. An unnecessary increase in load in the subpixel is prevented, and the capacitance of the capacitor is increased.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: October 19, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: Mijin Jeong, JaeHyun Kim, DeukHo Yeon
  • Patent number: 11152446
    Abstract: The present application relates to an OLED panel for a lighting device and a method of manufacturing the same. An OLED panel for a lighting device includes: a substrate; a auxiliary wiring pattern having a plurality of wiring lines disposed on the substrate; a first electrode disposed on the substrate where the auxiliary wiring pattern is disposed, and having a planarized upper surface; a passivation layer disposed on the first electrode and disposed at least in an area above the auxiliary wiring pattern; an OLED emission structure disposed on the first electrode; and a second electrode disposed on the OLED emission structure. In the OLED panel for a lighting device, luminance uniformity may be improved through a dual auxiliary wiring pattern, and the upper surface of the first electrode is planarized. Accordingly, the area of the passivation layer is reduced, and thus a light-emitting area may be increased.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: October 19, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyu-Hwang Lee, Taejoon Song, Chulho Kim, Jongmin Kim
  • Publication number: 20210320261
    Abstract: An example of the present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
    Type: Application
    Filed: June 23, 2021
    Publication date: October 14, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: Seung-Hee YOON, Sung-Hoon JOO, Seon-Keun YOO, Ji-Cheol SHIN
  • Publication number: 20210320265
    Abstract: The present disclosure relates to an OLED that includes a first electrode; a second electrode facing the first electrode; a first emitting material layer including a first host, a second host and a blue dopant and positioned between the first and second electrodes; a first electron blocking layer including an electron blocking material of an amine derivative and positioned between the first electrode and the first emitting material layer; and a first hole blocking layer including at least one of a first hole blocking material and a second hole blocking material and positioned between the second electrode and the first emitting material layer, wherein the first host is an anthracene derivative, and the second host is a deuterated anthracene derivative, and wherein the first hole blocking material is an azine derivative, and the second hole blocking material is a benzimidazole derivative.
    Type: Application
    Filed: December 21, 2019
    Publication date: October 14, 2021
    Applicant: LG DISPLAY CO., LTD.
    Inventors: In Bum SONG, Seung Hee YOON, Jin Ho PARK, Dong Hyeok LIM
  • Publication number: 20210320228
    Abstract: Discussed herein is a transparent light emitting diode (LED) display device. A capacitor of a pixel-driving circuit is integrated with an LED, and thus that the area of the pixel-driving circuit is reduced, and the transmission area is increased. In this manner, it is possible to achieve high transmittance without compromising the display quality.
    Type: Application
    Filed: April 7, 2021
    Publication date: October 14, 2021
    Applicant: LG Display Co., Ltd.
    Inventors: KyuOh KWON, Junghun CHOI, Jaeyong CHOI, SeungJun LEE
  • Patent number: 11144126
    Abstract: Embodiments of the present disclosure relate to a touch display device, a driving method, and a driving circuit. More particularly, embodiments of the present disclosure relate to a touch display device, a driving method, and a driving circuit capable of preventing touch sensitivity from being affected by display driving even though simultaneously performing the display driving and touch driving by supplying a data voltage to a plurality of data lines disposed in a display panel, supplying a common voltage to a plurality of common electrodes disposed in the display panel, displaying an image through the display panel, and supplying a common voltage to the common electrodes.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: October 12, 2021
    Assignee: LG Display Co., Ltd.
    Inventors: CheolSe Kim, HoonBae Kim, SunYeop Kim