Search Patents
  • In-cell touch liquid crystal display device and method of manufacturing the same
    Patent number: 10768462
    Abstract: An in-cell touch LCD device and a method of manufacturing the same are discussed. The in-cell touch LCD device may implement a screen display and a screen touch through a thin-film transistor substrate, which has an area larger than that of a color filter substrate, thus improving touch performance and ESD performance and simplifying a manufacturing process and reducing manufacturing costs.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: September 8, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jongsang Pyo, Chulsang Shin, Jeheon Cha
  • Fringe field switching liquid crystal display device and method of fabricating the same
    Patent number: 8803153
    Abstract: A fringe field switching (FFS) liquid crystal display (LCD) device which uses an organic insulating layer and consumes less power, in which film quality of an upper layer of a low temperature protective film is changed to improve undercut within a pad portion contact hole, and a method for fabricating the same is provided.
    Type: Grant
    Filed: January 21, 2014
    Date of Patent: August 12, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: KyoungJin Nam, SeungRyull Park, KyungMo Son, JiHye Lee
  • White organic light emitting diode display device and method of fabricating the same
    Patent number: 8916876
    Abstract: According to the present invention, there is provided a white organic light emitting diode (W-OLED) display device for effectively blocking outgas generated from a color filter using silicon nitride having a low water vapor transmission rate as a passivation layer instead of a planarization layer which is an organic insulating layer, and a method of fabricating the same.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: December 23, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Eun-Ju Jeon, Hee-Suk Pang
  • Thin film transistor and manufacturing method thereof, and liquid crystal display device having thin film transistor and manufacturing method thereof
    Patent number: 7462864
    Abstract: A liquid crystal display device includes a substrate, a gate line and a data line intersected with each other to define a pixel region on the substrate, a thin film transistor having a nanowire channel layer in an intersection region of the gate line and the data line, and a pixel electrode formed in the pixel region.
    Type: Grant
    Filed: May 17, 2006
    Date of Patent: December 9, 2008
    Assignee: LG Display Co., Ltd.
    Inventors: Mi Kyung Park, Gee Sung Chae
  • Display device
    Patent number: 11637168
    Abstract: A display device includes an opening area formed in a display area and a non-display area surrounding the opening area, wherein the display area includes a plurality of pixels and a plurality of lines connected to the plurality of pixels, the non-display area includes a connection member connected to at least one of the plurality of lines of the display area, and the connection member is disposed in a different layer from the connected line and is electrically connected to the line by a via-electrode.
    Type: Grant
    Filed: December 25, 2020
    Date of Patent: April 25, 2023
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Kyoung June Jung, Jeong Jae Ban
  • Liquid crystal display device
    Patent number: 7642111
    Abstract: A liquid crystal display device includes a first substrate and a second substrate facing each other having a pixel region; a color filter layer on the first substrate corresponding to the pixel region; a planarization layer on the color filter layer having a groove; a common electrode on the planarization layer; a pixel electrode on the second substrate; and a liquid crystal layer between the common electrode and the pixel electrode.
    Type: Grant
    Filed: December 14, 2006
    Date of Patent: January 5, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Dong-Young Kim
  • Thin film transistor method of fabricating the same
    Patent number: 8610128
    Abstract: A thin film transistor includes: a silicon nanowire on a substrate, the silicon nanowire having a central portion and both side portions of the central portion; a gate electrode on the central portion; and a source electrode and a drain electrode spaced apart from the source electrode on the both side portions, the source electrode and the drain electrode electrically connected to the silicon nanowire, respectively.
    Type: Grant
    Filed: March 25, 2013
    Date of Patent: December 17, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Mi-Kyung Park
  • Wiring, TFT substrate using the same and LCD
    Patent number: 6956236
    Abstract: A gate electrode (wiring) (40) having a Cu layer (40a) surrounded by a coating film (40b) made of titanium or titanium oxide; a TFT substrate (31) comprising the gate electrode (wiring) (40) and a LCD comprising a pair of opposing substrates and a liquid crystal disposed between the opposing substrates, wherein one of the pair of opposing substrates is a TFT substrate (31), are disclosed.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: October 18, 2005
    Assignee: LG. Phillips LCD Co., Ltd.
    Inventors: Makoto Sasaki, Gee Sung Chae
  • Liquid crystal display device and method of fabricating the same
    Patent number: 7675063
    Abstract: A liquid crystal display device includes a plurality of gate lines and data lines on a first substrate defining a plurality of pixel regions, a thin film transistor within the pixel regions, a pixel electrode within the pixel regions, and at least one TiOx layer provided with the thin film transistor.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: March 9, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Gyoo-Chul Jo, Yong-Sup Hwang
  • Thin film transistor and method of fabricating the same
    Patent number: 8426869
    Abstract: A thin film transistor includes: a silicon nanowire on a substrate, the silicon nanowire having a central portion and both side portions of the central portion; a gate electrode on the central portion; and a source electrode and a drain electrode spaced apart from the source electrode on the both side portions, the source electrode and the drain electrode electrically connected to the silicon nanowire, respectively.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: April 23, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Mi-Kyung Park
  • Liquid crystal display device and method of fabricating the same
    Patent number: 9268168
    Abstract: A liquid crystal display device having a color filter on TFT (COT) structure for high picture quality, high performance display and a method of fabricating the same are provided to reduce the luminance difference between a pixel portion and an outer portion by laminating color pigments in black matrix regions, forming a light blocking pattern to use as a black matrix, and configuring the light blocking pattern to have three layers to achieve black luminance.
    Type: Grant
    Filed: November 19, 2014
    Date of Patent: February 23, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: HyoJong Yi, Dongln Choi
  • Liquid crystal display device having heat generating electrode
    Patent number: 8368866
    Abstract: A liquid crystal display device includes first and second substrates, liquid crystal molecules positioned between the first and second substrates, a heat generating electrode for generating heat in response to a direct current being supplied to the heating electrode, and a backlight unit for irradiating light onto the first and second substrates.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: February 5, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Sun-Hwa Lee, Kyo-Seop Choo
  • Liquid crystal display device and fabricating method thereof
    Patent number: 7439586
    Abstract: A base thin film transistor (TFT) substrate includes a substrate, array areas on the substrate; at least one dummy area on the substrate and between the array areas; an insulating film on the substrate; at least one aperture through the insulating film and arranged within the at least one dummy area; and at least one post arranged within the at least one aperture.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: October 21, 2008
    Assignee: LG Display Co., Ltd.
    Inventors: Tae Young Jung, Ji No Lee, Hee Young Kwack
  • Dual panel type organic electroluminescent display device
    Patent number: 7777219
    Abstract: A dual panel type organic electroluminescent display device includes first and second substrates and a plurality of pixel regions and a plurality of power supply terminals at upper and lower sides of the plurality of pixel regions thereon, and further includes a plurality of dummy pixel regions each having substantially the same structure as each pixel region in the plurality of power supply terminals.
    Type: Grant
    Filed: December 15, 2006
    Date of Patent: August 17, 2010
    Assignee: LG. Display Co., Ltd.
    Inventor: Jong-Hwa Lee
  • ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME
    Publication number: 20140042397
    Abstract: An organic light emitting diode (OLED) display device in which an oxide-based semiconductor is used as an active layer of a TFT and the fabrication method thereof are provided. In the OLED display device, the active layer is formed at an upper portion of the gate electrode and a source electrode is patterned to completely cover the channel region of the active layer, to block light introduced from upper and lower portions of the active layer, thereby improving reliability of the oxide TFT.
    Type: Application
    Filed: December 19, 2012
    Publication date: February 13, 2014
    Applicant: LG DISPLAY CO., LTD.
    Inventors: KiSul CHO, JinChae JEON
  • Display device and method of manufacturing the same
    Patent number: 11362304
    Abstract: A display device and a method of manufacturing the same are provided. A display device includes: a plastic substrate including: a display portion including organic light emitting diodes, and a pad portion including chip-on-films, a lower protective member attached to an entire lower surface of the plastic substrate, and an upper protective member attached to an upper surface of the plastic substrate, the upper protective member covering at least the display portion and both edges of the pad portion.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: June 14, 2022
    Assignee: LG Display Co., Ltd.
    Inventors: Kwonhyung Lee, Chanwoo Lee
  • Liquid crystal display device having electrostatic discharge protection
    Patent number: 6100949
    Abstract: A liquid crystal display device includes a plurality of gate lines and a plurality of data lines substantially perpendicular to the gate lines, first and second shorting bars formed respectively in a gate driving IC mounting region and a data driving IC mounting region. A plurality of switching devices are formed between the first shorting bar and respective pad of the gate lines and between the second shorting bar and respective pad of the data lines.
    Type: Grant
    Filed: September 15, 1999
    Date of Patent: August 8, 2000
    Assignee: LG Electronics Inc.
    Inventor: Jeom Jae Kim
  • Light emitting display
    Patent number: 7655948
    Abstract: The present disclosure provides a light emitting display device including a first substrate and a second substrate and a light emitting part disposed therebetween. The first substrate includes an active layer, source and drain electrodes, an insulating layer, and a gate electrode. The active layer is doped with first dopant ions and second dopant ions. The light emitting display may have a fast response characteristic due to a reduced resistance of the active layer and an improved characteristic of current drift.
    Type: Grant
    Filed: June 19, 2006
    Date of Patent: February 2, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Kwang Sik Oh
  • Display panel and display device
    Patent number: 8994042
    Abstract: A display panel includes a first substrate on which an electrode line and a switching element are disposed, a second substrate positioned opposite the first substrate, a seal provided between the first substrate and the second substrate, a pad electrode that vertically overlaps the seal and is electrically connected to the electrode line, and a side electrode which is connected to one end of the pad electrode and includes a portion positioned on an exterior facing side of the seal.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: March 31, 2015
    Assignee: LG Electronics Inc.
    Inventors: Wanjune Kang, Dongwon Choi, Jungmin Park, Sangchul Han, Dongho Ham
  • Liquid crystal display device and method for driving the same
    Patent number: 7750883
    Abstract: A liquid crystal display device including a liquid crystal panel, a gate driver configured to supply gate signals to gate lines on the liquid crystal panel, a data driver configured to supply data voltages to data lines on the liquid crystal panel, and a partial controller configured to control the gate driver to intercept a part of the gate signals to be supplied to the gate lines.
    Type: Grant
    Filed: December 28, 2006
    Date of Patent: July 6, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Su Hwan Moon, Do Heon Kim, Ji Eun Chae