Patents Assigned to LG Display Co., Ltd.
  • Patent number: 10811485
    Abstract: An organic light emitting display panel can include a substrate; pixels disposed on the substrate; a driving transistor including: a driving active layer, a driving gate electrode overlapping with the driving active layer, a driving first conductor extended from one end of the driving active layer, a driving second conductor extended from the other end of the driving active layer, and a driving first gate insulating film overlapping with the driving active layer; a switching transistor including: a switching active layer, a switching gate electrode overlapping with the switching active layer, a switching first conductor extended from one end of the switching active layer, a switching second conductor extended from the other end of the switching active layer, and a switching first gate insulating film overlapping with the switching active layer; an organic light emitting diode; and a second gate insulating film disposed between the driving and switching gate electrodes of the driving and switching transistors,
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: SeHee Park, PilSang Yun, Jaeyoon Park
  • Patent number: 10811490
    Abstract: An electroluminescent display device includes a substrate, a bank for defining an emission area on the substrate, an emission layer in the emission area defined by the bank, an electrode on the emission layer and the bank, and a conductive layer on the electrode, wherein the electrode includes a first portion having a relatively small thickness, and a second portion having a relatively large thickness, and the conductive layer is in contact with the first portion of the electrode, and wherein the conductive layer is provided on the electrode, and more particularly, the conductive layer is provided in such a way the conductive layer is in contact with the relatively-thin first portion of the electrode so that it is possible to prevent problems related with a burning phenomenon or wiring disconnection in the first portion of the electrode.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jeongmook Choi, Nackyoun Jung, Sangbin Lee
  • Patent number: 10811469
    Abstract: An organic light emitting diode display device includes: an overcoating layer on a substrate having an emitting area and a non-emitting area and including a plurality of convex portions and a plurality of concave portions; a first electrode on the overcoating layer; a light emitting layer on the first electrode and including a first emitting material layer; and a second electrode on the light emitting layer, wherein the light emitting layer includes first, second and third emitting material layers sequentially under the second electrode, and wherein the first emitting material layer emits a first light of a first wavelength, the second emitting material layer emits the first light of the first wavelength, and the third emitting material layer emits a second light of a second wavelength different from the first wavelength.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kang-Ju Lee, Seung-Ryong Joung, Seong-Su Jeon, Tae-Shick Kim
  • Patent number: 10811624
    Abstract: An electroluminescent display includes a lower substrate having a display area with subpixel emission areas defined in the display area; an electrode layer on the lower substrate; a planarization layer formed on the lower substrate such that holes are formed in the planarization layer with each hole being adjacent to a respective one of the subpixel emission areas; lower electrode layer in the respective subpixel emission area; a sacrificial layer surrounding the subpixel emission area and absent at an area having the lower electrode layer; an organic emission layer on the lower electrode layer; and an upper electrode layer on the organic emission layer.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: October 20, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Howon Choi, Joonyoung Heo
  • Patent number: 10809552
    Abstract: A display device is disclosed. The display device includes a plurality of support units disposed side by side on the rear surface of a flexible display panel, a resin unit, which is made of a resin, for elastically interconnecting the support units, and a restoration unit protruding from each support unit for interfering with the resin unit, which stretches when the display panel is bent, in order to restore the display panel to the original state thereof. The support units may be integrally formed with the resin unit in order to maintain the flatness of the display panel. In addition, when impact is applied to the display panel, the support units may distribute the impact to the periphery of the display panel, thereby preventing damage to the display panel.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyung-Jae Park, Choun-Sung Kang
  • Patent number: 10811438
    Abstract: An organic light-emitting diode (OLED) device includes an active layer of a transistor disposed on the buffer insulating film. A gate insulating film is disposed on the buffer insulating film over the conducting layer and disposed on the active layer. A gate electrode is disposed on the gate insulating film over a channel region of the active layer. A first connecting pattern is disposed on the gate insulating film over the conducting line and the active layer. The first connecting pattern is connected to the conducting layer via a first connecting contact hole through the gate insulating film and the buffer insulating film. The first connecting pattern is also connected to the active layer via a second connecting contact hole through the gate insulating film. The first connecting pattern has a same material as the gate electrode.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: October 20, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Kimin Choi
  • Patent number: 10811457
    Abstract: An array substrate for a digital X-ray detector can include a base substrate; a thin film transistor disposed on the base substrate; a PIN diode including a lower electrode electrically connected to the thin film transistor, a first PIN layer disposed on the lower electrode, and an upper electrode disposed on the first PIN layer; a second PIN layer spaced apart from the PIN diode, the second PIN layer being disposed on the thin film transistor; and a bias electrode electrically connected to the upper electrode.
    Type: Grant
    Filed: September 4, 2018
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Hyungil Na, Hanseok Lee, JungJune Kim, Seungyong Jung
  • Patent number: 10811484
    Abstract: An organic light emitting display panel and an organic light emitting display apparatus using the same are disclosed, in which a switching transistor and a driving transistor are provided on their respective layers different from each other. To this end, the organic light emitting display panel comprises a substrate partitioned by a plurality of pixels, a driving transistor provided in a first pixel of the pixels and provided on the substrate in a top gate type, a first insulating film for covering the driving transistor, a switching transistor provided on the first insulating film in a top gate type, a second insulating film for covering the first insulating film and the switching transistor, a planarization film provided on the second insulating film, and an organic light emitting diode provided on the planarization film and connected with a driving first conductor of the driving transistor.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: DaeHwan Kim, Younghyun Ko
  • Patent number: 10809559
    Abstract: Disclosed is a liquid crystal display device that includes: first and second substrates; a gate line and a data line on the first substrate, the gate line and the data line crossing each other to define a pixel region; a thin film transistor connected to the gate line and the data line; a color filter layer on the thin film transistor, the color filter layer including red, green and blue color filters each corresponding to the pixel region; a protrusion pattern at a boundary of the pixel region, the protrusion pattern including at least two of the red, green and blue color filters; a pixel electrode on the color filter layer; a first alignment layer on the pixel electrode; a first patterned spacer on the second substrate, the first patterned spacer contacting the first alignment layer over the protrusion pattern; and a liquid crystal layer between the first and second substrates.
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Woo-Jung Byun, Tae-Young Kim, Hyo-Jong Yi, Dong-In Choi
  • Patent number: 10811472
    Abstract: Disclosed are an organic light emitting display, which may achieve weight reduction and slimming, and a method of fabricating the same. An encapsulation part of the organic light emitting display includes a plurality of inorganic encapsulation layers and at least one organic encapsulation layer disposed between the inorganic encapsulation layers, and a plurality of touch electrodes disposed on one of the inorganic encapsulation layers and the at least one organic encapsulation layer of the encapsulation part, each touch electrode having electrically independent self capacitance, thereby achieving weight reduction and slimming of the organic light emitting display.
    Type: Grant
    Filed: April 17, 2019
    Date of Patent: October 20, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Jae-Young Oh
  • Patent number: 10810930
    Abstract: There is provided an electroluminescence display device and driving method thereof. The electroluminescence display device can include an electroluminescence element in each of a plurality of pixels, a pixel driving circuit for driving the electroluminescence element, a gate driver and a data driver for generating signals for driving the pixel driving circuit to be switchable between a first refresh rate and a second refresh rate, and an emission signal generator for generating an emission signal having a first duty ratio supplied to the pixel driving circuit when the pixel driving circuit is driven at the first refresh rate and generating the emission signal having a second duty ratio supplied to the pixel driving circuit when the pixel driving circuit is driven at the second refresh rate. Accordingly, uniform brightness can be displayed regardless of the driving refresh rate for reducing the recognizable image distortion phenomenon.
    Type: Grant
    Filed: November 24, 2017
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: DongSup Shim, Byeongjun Kim, Kyoungwon Lee
  • Patent number: 10810946
    Abstract: The present disclosure provides a gate clock generator including a counter, a buffer control signal generator, and an output unit. The counter receives control data having rising timing information and falling timing information and a main clock. The counter generates a first output when a value is obtained by counting the main clock from a preset reference time point reaches rising data. The counter further generates a second output when a value is obtained by counting the main clock from the reference time point reaches falling data. The buffer control signal generator generates a first buffer control signal of a gate ON voltage from a timing of the first output to a timing of the second output. The output unit outputs a gate ON voltage of a gate clock during an output period of the gate ON voltage of the first buffer control signal.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: October 20, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jaewon Han, Soondong Cho, Jungjae Kim, Sanguk Lee, Hyungjin Choe
  • Patent number: 10809434
    Abstract: A display device has a camera hole in a backlight unit constituting a display unit, the backlight unit has a dark-area improvement means by providing light to a dark-area generation region of the back side of the camera hole corresponding to the opposite side where a light source is positioned, thereby improving a dark-area region, and the dark-area improvement means includes an optical fiber. The present disclosure can improve the dark area in a hole-in-display type having the camera hole in the display unit, thereby enhancing the visibility.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: October 20, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: JiSoon Oh, HyeonTae Jeong, JaeMyeong Park, Mira Kim
  • Patent number: 10809829
    Abstract: Disclosed are an organic light emitting display device and a method of manufacturing the same to reduce thickness and weight. The organic light emitting display device with a touch sensor removes the necessity of an additional adhesion process by directly forming a touch sensing electrode and a touch driving electrode arranged in parallel and a color filter on an encapsulation layer covering a light emitting device, thereby simplifying a manufacturing process and reducing manufacturing costs.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: October 20, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Won Lee, Seung-Hee Nam, Min-Joo Kim, Kwon-Shik Park, Jae-Young Oh, Deuk-Su Lee, Bu-Yeol Lee, Eun-Hye Lee
  • Patent number: 10810918
    Abstract: A video display device capable of compensating for display defects, comprising: liquid crystal panel for displaying an image through a pixel matrix; a data driver for outputting data to data lines of the liquid crystal display panel; a gate driver for driving the gate lines of the liquid crystal display panel; a timing controller for receiving compensated data, uncompensated data and synchronizing signals to output a gate control signal to the gate driver and to output both resultant data and a data control signal to the data driver; and a memory for storing information on point defect information on the liquid crystal display panel, and at least one of horizontal and vertical line defects of the liquid crystal display panel of the liquid crystal display panel; and a data compensation circuit for receiving display data and synchronizing signals, and outputting compensated data to the timing controller based on the information in the memory and uncompensated data to the timing controller, wherein the data comp
    Type: Grant
    Filed: June 3, 2008
    Date of Patent: October 20, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Jong Hee Hwang
  • Patent number: 10810920
    Abstract: A shift register capable of preventing leakage current and a display device using the same are disclosed. The shift register includes a plurality of stages. Each stage includes a set unit setting a Q node in response to a start pulse or previous output, an inverter for controlling a QB node to have a logic state opposite to that of the Q node, an output unit for outputting any one input clock or a gate off voltage in response to the logic states of the Q and QB nodes, a reset unit including a reset switching element, the reset switching element resetting the Q node with a first reset voltage in response to a reset pulse or next output, and a noise cleaner resetting the Q node with a second reset voltage in response to the QB node. When the reset switching element is turned off, the first reset voltage is greater than a voltage of the reset pulse or the next output for the current.
    Type: Grant
    Filed: April 30, 2015
    Date of Patent: October 20, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Yong-Ho Jang
  • Patent number: 10804498
    Abstract: A light emitting display apparatus can include a light emitting element disposed on a substrate; an encapsulation unit disposed on the light emitting element; and a scattering film disposed between the encapsulation unit and the light emitting element, or inside the encapsulation unit, the scattering film being configured to scatter light emitted from the light emitting element.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: October 13, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: NamSu Kim, YoungNam Lim, Seonghee Noh
  • Patent number: 10802308
    Abstract: A roll to roll fabrication apparatus includes an injection plate for injecting a chemical treatment liquid on a film transferred from a supplying roll to a collecting roll; and liquid blocking rolls disposed between the supplying roll and the collecting roll, and configured to prevent the chemical treatment liquid injected from the injection plate from being introduced to another process region.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: October 13, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyuhwang Lee, Yunho Kook, Chulho Kim
  • Patent number: 10804484
    Abstract: A lighting panel and method of fabricating the same, lighting module, lighting panel, and lighting system are provided. The lighting panel includes a material layer on a substrate; an auxiliary electrode embedded in the material layer; a first electrode on the material layer and electrically connected to the auxiliary electrode; an organic light-emitting layer and a second electrode in an emission portion where the first electrode is provided; and an encapsulation member in the emission portion of the substrate.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: October 13, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Nam-Kook Kim, Jung-Eun Lee, Tae-Ok Kim
  • Patent number: 10802327
    Abstract: Disclosed are an LCD device and a driving method thereof, which save the manufacturing cost that is expended by the application of four-color (RGBW) sub-pixels, and enhance an aperture ratio and brightness, thus increasing display quality. The LCD device includes an upper substrate, a lower substrate, and a liquid crystal layer. A plurality of R, G, B and W color filters are formed at the upper substrate. In the lower substrate, a plurality of R, G, B and W sub-pixels are formed in respective regions defined by intersection of a plurality of gate lines and data lines. The liquid crystal layer is formed between the upper substrate and the lower substrate. Each of the pixels is configure with three-color sub-pixels of the R, G, B and W sub-pixels. Pixels of the plurality of pixels including a W sub-pixel share a one-color sub-pixel included in a pixel adjacent thereto, and display a color image.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: October 13, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: YoungHoon Kim, JoongMin Yoon