Search Patents
  • Thin film transistor and method of fabricating the same
    Patent number: 8216889
    Abstract: A thin film transistor includes a multi-coaxial silicon nanowire unit including a plurality of coaxial silicon nanowires on a substrate, the multi-coaxial silicon nanowire unit including a central portion and end portions of the central portion; a gate electrode on the central portion; and a source electrode and a drain electrode on the respective end portions, respectively, so as to electrically connect to the multi-coaxial silicon nanowire unit.
    Type: Grant
    Filed: September 22, 2011
    Date of Patent: July 10, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Gee-Sung Chae, Mi-Kyung Park
  • Organic light emitting display panel comprising pixel repair region
    Patent number: 10079276
    Abstract: An organic light emitting display panel is provided that comprises a substrate comprising an emission area and a non-emission area; a black matrix disposed on the non-emission area and comprising at least one open area that exposes at least a portion of a pattern formed on the substrate, wherein the pattern or the exposed portion of the pattern comprises a multi-layer structure comprising a conductive layer and at least one low reflective layer.
    Type: Grant
    Filed: December 16, 2014
    Date of Patent: September 18, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: JuneHo Park, EunMi Jo, Daehyun Kim
  • Display device
    Patent number: 10777141
    Abstract: A display device including subpixels and at least two scan lines is disclosed. The subpixels are arranged on a substrate, and each subpixel includes an emission area, in which an emission element is disposed to emit light, and a circuit area, in which a circuit for driving the emission element is disposed. The at least two scan lines are positioned in the circuit area. One or more of the at least two scan lines are formed by a metal layer different from a gate metal layer constituting gate electrodes of transistors disposed in the circuit area.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: September 15, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ilgi Jeong, Kyunghyun Cho
  • Organic electro-luminescence display device and fabricating method thereof
    Patent number: 7868330
    Abstract: An organic electro luminescence display device having a plurality of anode electrodes which are disposed in parallel to a substrate, formed of a transparent conductive material and electrically separated from each other; a first conductive light shielding pattern formed along a first side of each of the anode electrodes; and a second conductive light shielding pattern formed along a second side of each of the anode electrodes.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: January 11, 2011
    Assignee: LG Electronics Inc.
    Inventor: Chun Tak Lee
  • Method for fabricating color filter using surface plasmon and method for fabricating liquid crystal display device
    Patent number: 7989254
    Abstract: Discussed are methods for fabricating a color filter using a surface plasmon and a liquid crystal display (LCD) device capable of enhancing a transmittance ratio of an LC panel and simplifying entire processes, by forming a transmissive pattern consisting of a plurality of sub-wavelength holes having a period on a metal layer, and by implementing colors by selectively transmitting light of specific wavelengths with using a surface plasmon phenomenon.
    Type: Grant
    Filed: November 8, 2010
    Date of Patent: August 2, 2011
    Assignee: LG Display Co., Ltd.
    Inventor: Min-Sung Yoon
  • Organic light-emitting diode display panel
    Patent number: 9064828
    Abstract: Disclosed is an organic light-emitting diode (OLED) display panel. An OLED display panel includes a plurality of signal lines and a thin film transistor formed on a substrate, an interlayer insulating layer, a first electrode, a bank, an organic light-emitting layer, a second electrode, a first passivation layer, an organic layer, a second passivation layer and a barrier film, wherein the bank is formed to completely cover the interlayer insulating layer, and an inclination formed by side surfaces of the bank and the interlayer insulating layer is made to be gradual.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: June 23, 2015
    Assignee: LG Display Co., Ltd.
    Inventor: ChungWan Oh
  • Poly-silicon thin film transistor array substrate and method for fabricating the same
    Patent number: 7476901
    Abstract: A poly-silicon thin film transistor array substrate includes a gate line and a gate electrode over a substrate, a semiconductor layer having source/drain regions doped with impurity ions, a data line crossing the gate line, and source/drain electrodes connected to the source/drain regions, and a pixel electrode connected to the drain electrode, wherein the semiconductor layer is poly-silicon except for a amorphous silicon region below the gate line.
    Type: Grant
    Filed: December 27, 2006
    Date of Patent: January 13, 2009
    Assignee: LG Display Co., Ltd.
    Inventor: Kum Mi Oh
  • Thin film transistor having a short channel formed by using an exposure mask with slits
    Patent number: 7663143
    Abstract: A mask containing apertures therein which is used for fabricating a channel of a thin film transistor (TFT), wherein the pixel charging time for a TFT in a high-resolution liquid crystal display (LCD) device is reduced by minimizing the length of the channel in the TFT when the active region is made of amorphous silicon. The length of the channel can be minimized by exposing light through the apertures in an exposure mask when forming the channel.
    Type: Grant
    Filed: November 28, 2005
    Date of Patent: February 16, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Kwang-Jo Hwang
  • Display device with wave shaped bypass line
    Patent number: 9696837
    Abstract: A display of an electric device includes a plurality of separated transparent electrode blocks, which are configured to provide one or more of supplemental features such as touch recognition. Signal paths between the transparent electrode blocks and the driver for the supplemental feature are implemented with a plurality of conductive lines placed under positioned under one or more planarization layers. The conductive lines implementing the signal paths are routed across the display area, directly toward a non-display area where drive-integrated circuits are located.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: July 4, 2017
    Assignee: LG Display Co., Ltd.
    Inventor: SiHyun Kim
  • Liquid crystal display device and fabricating method thereof, and reworking method of alignment film using the same
    Patent number: 6683668
    Abstract: A liquid crystal display device includes a substrate, an organic insulating film formed on the substrate, an alignment film having a first etch rate formed on the organic insulating film, and a silicon nitride layer having a second etch rate formed between the alignment film and the organic insulating film, wherein the first etch rate is different from the second etch rate.
    Type: Grant
    Filed: December 7, 2001
    Date of Patent: January 27, 2004
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Kyo Ho Moon, Yong In Park
  • Thin film transistor and method of fabricating the same
    Patent number: 7645647
    Abstract: A thin film transistor includes a multi-coaxial silicon nanowire unit including a plurality of coaxial silicon nanowires on a substrate, the multi-coaxial silicon nanowire unit including a central portion and end portions of the central portion; a gate electrode on the central portion; and a source electrode and a drain electrode on the respective end portions, respectively, so as to electrically connect to the multi-coaxial silicon nanowire unit.
    Type: Grant
    Filed: April 4, 2006
    Date of Patent: January 12, 2010
    Assignee: LG. Display Co., Ltd.
    Inventors: Gee-Sung Chae, Mi-Kyung Park
  • TFT array having planarized light shielding element
    Patent number: 5866919
    Abstract: An LCD includes a substrate; a transistor over the substrate, the transistor having a gate, a source, and a drain; a light shielding layer over the transistor; a transparent insulating layer at sides of the light shielding layer, the transparent insulating layer having a substantially consistent thickness; and a pixel electrode connected to one of the source and the drain of the transistor.
    Type: Grant
    Filed: February 20, 1997
    Date of Patent: February 2, 1999
    Assignee: LG Electronics, Inc.
    Inventors: Byung-Ik Kwon, Byeong-Koo Kim, Jeong-Hyun Kim, Kyoung-Nam Lim, Soo-Mahn Kim, Kyeong-Ah Shin
  • TFT LCD including a source line having an extension pattern in the channel layer
    Patent number: 7102160
    Abstract: TFT LCD including a first substrate and a second substrate, a scanning line on the first substrate, a signal line formed to cross the scanning line, a channel layer formed along the signal line and extended to a portion of the scanning line, source and drain electrodes formed separated on the channel layer over the scanning line, a pixel electrode connected to the drain electrode, and a liquid crystal layer formed between the first substrate and the second substrate.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: September 5, 2006
    Assignee: LG.Philips LCD CO, Ltd.
    Inventor: Dong Yeung Kwak
  • Organic light-emitting display device having a repair area
    Patent number: 10134820
    Abstract: Provided is an organic light-emitting display device which enables a fast and secure repair process without changing optical characteristics. The organic light-emitting display device includes a lower electrode, an organic emitting layer, an upper electrode and an optical compensation layer which are sequentially stacked. The upper electrode is thinner than the lower electrode. An opening is formed by particles in the organic emitting layer and the upper electrode. The opening caused by the particles is extended between the lower electrode and the organic emitting layer.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: November 20, 2018
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Mi Kim, Woo-Sup Shin, Sie-Hyug Choi
  • Liquid crystal display device with improved crossover portion and method of forming the same
    Patent number: 5652633
    Abstract: A liquid crystal display device includes a first signal line formed on a substrate in one direction, a second signal line insulated from and crossing over the first signal line, and a plurality of parts projecting from the first signal line at the crossover portion, whereby the liquid crystal display device can effectively prevent the severance of the first signal line due to seepage of etchant, stress due to metal defects, and stress due to thermal expansion and thermal contraction.
    Type: Grant
    Filed: March 26, 1996
    Date of Patent: July 29, 1997
    Assignee: LG Electronics Inc.
    Inventor: Jae Kyun Lee
  • Organic light emitting diode device
    Patent number: 9595691
    Abstract: Disclosed is an organic light emitting diode device fabrication method that includes: preparing a substrate which is defined into a display area and a non-display area; forming a light emission portion, which includes a thin film transistor and an organic light emission layer in the display area, and a pad portion in a part of the non-display area; sequentially forming a sacrificial layer and an encapsulation passivation film throughout the display and non-display areas; and separating the sacrificial layer and the encapsulation passivation film from the pad portion through an irradiation of laser light.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: March 14, 2017
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sang Chul Jung, Hang Sup Cho
  • Flexible display device and curved display device
    Patent number: 9406703
    Abstract: Provided is a configuration for a semiconductor layer and a line for reducing the segment length of the semiconductor layer with respect to the bending direction of the flexible substrate. Such a configuration reduces the probability of cracks occurring in the semiconductor layer of the thin-film transistor, thereby improving the stability and durability of the thin-film transistor employed in a curved or a flexible display device. The configuration includes a thin-film transistor (TF) on the flexible substrate. The TFT includes the semiconductor layer extending obliquely with respect to the direction of the line.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: August 2, 2016
    Assignee: LG DISPLAY CO., LTD.
    Inventors: SeYeoul Kwon, Sangcheon Youn, Anna Ha
  • Light emitting device and method for fabricating the same
    Patent number: 8916883
    Abstract: A light emitting device includes a light emitting structure comprising a first conductivity type semiconductor layer, an active layer and a second conductivity type semiconductor layer; a reflective layer formed under the light emitting structure; and a transparent supporting layer formed between the light emitting structure and the reflective layer, to emit a light generated from the active layer; and a conductive layer formed under the reflective layer, to surround the reflective layer.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: December 23, 2014
    Assignee: LG Innotek Co., Ltd.
    Inventors: Hwan Hee Jeong, Sang Youl Lee
  • Liquid crystal display
    Patent number: 6031247
    Abstract: A liquid crystal display having a TFT cell array including a plurality of gate lines formed in parallel on a substrate and a plurality of data lines formed perpendicularly to the gate lines. The plurality of gate lines have gate pads at one end, while the plurality of data lines have data pads at either one or both ends. A repair line, which is formed on the periphery of the substrate, intersects the plurality of data lines at both ends, but intersects the plurality of gate lines at only one end.
    Type: Grant
    Filed: November 3, 1998
    Date of Patent: February 29, 2000
    Assignee: LG Electronics Inc.
    Inventor: Seong Su Lee
  • Organic light emitting display and manufacturing method of the same
    Patent number: 8772074
    Abstract: Provided are an organic light emitting display device and a method for manufacturing the same. The organic light emitting display device comprises a transistor on a substrate, a cathode on the transistor and connected to a source or a drain of the transistor, a bank layer on the cathode and having an opening, a metal buffer layer on the cathode, an organic light emitting layer on the metal buffer layer, and an anode on the organic light emitting layer.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: July 8, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Jaehee Park, Heeseok Yang, Howon Choi