Search Patents
  • Patent number: 6693689
    Abstract: A reflective liquid crystal display includes a linear polarizer for converting natural light into linearly polarized light; a retardation film for converting the linearly polarized light into circularly polarized light; a liquid crystal layer for varying the phase of the light differently depending on the presence or absence of an electric field; a cholesteric liquid crystal color filter for selectively reflecting light received from the liquid crystal layer; and a black background for absorbing light passing through the color filter.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: February 17, 2004
    Assignee: LG Philips LCD Co., Ltd.
    Inventors: Yong Beom Kim, Soon Bum Kwon, Heume Il Baek
  • Publication number: 20130182210
    Abstract: A liquid crystal display (LCD) includes: a gate line formed as a first conductive pattern; a common line formed as the first conductive pattern; a data line insulatedly crossing the gate line and the common line, and formed as a second conductive pattern; a thin film transistor (TFT) formed at a crossing of the gate line and the data line; a common electrode formed as a third conductive pattern, and connected with the common line; and a pixel electrode connected with the TFT and formed as the third conductive pattern to form a horizontal field together with the common electrode, wherein the third conductive pattern is formed as a dual-layer comprising a metal film and a low reflection film formed on the metal film.
    Type: Application
    Filed: February 8, 2013
    Publication date: July 18, 2013
    Applicant: LG Display Co., Ltd.
    Inventor: LG Display Co., Ltd.
  • Publication number: 20110157534
    Abstract: An IPS mode LCD includes first and second substrates. A thin film transistor and a color filter layer are formed on the first substrate. A common electrode and a pixel electrode are arranged in a zigzag configuration on the first substrate. A liquid crystal layer is disposed between the first and second substrates.
    Type: Application
    Filed: March 8, 2011
    Publication date: June 30, 2011
    Applicant: LG Display Co., Ltd.
    Inventor: Hyung Ki Hong
  • Patent number: 7341895
    Abstract: A thin film transistor substrate and a fabricating method thereof that are capable of improving an aperture ratio. A gate electrode on that substrate has an inclined head and a concave neck.
    Type: Grant
    Filed: December 6, 2004
    Date of Patent: March 11, 2008
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Seung Kyu Choi, Jae Moon Soh, Jong Woo Kim
  • Publication number: 20040135955
    Abstract: A liquid crystal display device includes a lower substrate, an upper substrate facing the lower substrate, a common electrode and a plurality of data electrodes on the lower substrate to generate an In-Plane switching mode electric field parallel to the lower and upper substrates, and a liquid crystal layer having a helical alignment between the lower and upper substrates.
    Type: Application
    Filed: December 23, 2003
    Publication date: July 15, 2004
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventor: Hyung Ki Hong
  • Publication number: 20040070719
    Abstract: A method for discharging an in-plane switching mode liquid crystal display panel includes providing a color filter substrate and a thin film transistor substrate, forming a liquid crystal layer between the color filter substrate and thin film transistor substrate to form a liquid crystal display panel, and discharging at least one surface of the liquid crystal display panel by an ionizer.
    Type: Application
    Filed: September 26, 2003
    Publication date: April 15, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventor: Sang-Hyuk Lee
  • Patent number: 7414688
    Abstract: An IPS-LC panel includes first and second substrates, and a liquid crystal interposed therebetween. The first substrate includes common and pixel electrodes that are spaced apart from each other. Each of the common and pixel electrodes includes a zigzag pattern having a plurality of indentations and protrusions. The zigzag pattern increases an electric field level applied between the common and pixel electrodes.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: August 19, 2008
    Assignee: LG Display Co., Ltd.
    Inventor: Jong-Sung Kim
  • Patent number: 7554641
    Abstract: A liquid crystal display device is disclosed that may prevent crosstalk from occurring. The liquid crystal display device includes pixel and common electrodes forming a fringe field, wherein the pixel electrodes are substantially in parallel over the common electrode and the pixel electrodes are connected with one another in a central portion.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: June 30, 2009
    Assignee: LG Display Co., Ltd.
    Inventor: Nagayama Kazuyoshi
  • Patent number: 8199302
    Abstract: An IPS mode LCD includes first and second substrates. A thin film transistor and a color filter layer are formed on the first substrate. A common electrode and a pixel electrode are arranged in a zigzag configuration on the first substrate. A liquid crystal layer is disposed between the first and second substrates.
    Type: Grant
    Filed: March 8, 2011
    Date of Patent: June 12, 2012
    Assignee: LG Display Co., Ltd.
    Inventor: Hyung Ki Hong
  • Patent number: 7453530
    Abstract: A liquid crystal display device includes a thin film transistor formed on a substrate, the thin film transistor including a gate electrode; a gate insulation film formed on the gate electrode and the substrate; and a storage capacitor connected to the drain electrode, the storage capacitor being above the gate insulation film.
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: November 18, 2008
    Assignee: LG Display Co., Ltd.
    Inventors: Sang Yoon Paik, Joon Youp Lee
  • Patent number: 7826026
    Abstract: A liquid crystal display device includes a first substrate having a step difference part; a second substrate facing the first substrate; a column spacer between the first substrate and the second substrate, a contact surface of the column spacer with the step difference part of the first substrate including a plurality of protrusions; and a liquid crystal layer between the first substrate and the second substrate.
    Type: Grant
    Filed: June 1, 2009
    Date of Patent: November 2, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Sunghoe Yoon
  • Patent number: 10541288
    Abstract: Provided is a flexible organic electroluminescent device and a method for fabricating the same. In the flexible electroluminescent device, line hole patterns are formed on surfaces of a plurality of inorganic layers positioned in a pad region in which a flexible printed circuit board is connected to prevent a path of cracks caused by repeated bending and spreading of the organic electroluminescent device from spreading to the interior of the device.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: January 21, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Su Ho Kim, Sang Bae Kim, Jun Tae Jeon, Yong Sam Lee
  • Patent number: 7193674
    Abstract: A liquid crystal display device includes a lower substrate, an upper substrate facing the lower substrate, a common electrode and a plurality of data electrodes on the lower substrate to generate an In-Plane switching mode electric field parallel to the lower and upper substrates, and a liquid crystal layer having a helical alignment between the lower and upper substrates.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: March 20, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventor: Hyung Ki Hong
  • Patent number: 7667808
    Abstract: A liquid crystal display device includes a first electrode and a second electrode on a first substrate, wherein a horizontal electric field is generated between the first and second electrodes, and a third electrode on a second substrate, wherein a longitudinal electric field is generated between the third electrode and the first and second electrodes. In the liquid crystal display device, control of a wide viewing angle and a narrow viewing angle is enabled.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: February 23, 2010
    Assignee: LG Display Co., Ltd.
    Inventor: Hidefumi Yamashita
  • Patent number: 7782414
    Abstract: A method for fabricating an LCD device includes forming an alignment layer and an overcoat layer substantially simultaneously. The method includes, coating a mixture of an alignment layer material and an overcoat layer material on a substrate and at least partially separating the overcoat layer material and the alignment layer material by the curing the mixture.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: August 24, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Hyun Sang Chung, Young Suk Park
  • Patent number: 7196748
    Abstract: An in-plane switching mode LCD device and a method for manufacturing the same are disclosed, which are applicable to LCD device having a wide viewing angle, fineness and a wide size by using low resistance materials as source and drain electrode. A buffer layer is formed on an ohmic contact layer in the in-plane switching mode LCD.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: March 27, 2007
    Assignee: LG.Philips LCD Co., Ltd
    Inventor: Gee Sung Chae
  • Patent number: 11164928
    Abstract: Provided is a flexible organic electroluminescent device and a method for fabricating the same. In the flexible electroluminescent device, line hole patterns are formed on surfaces of a plurality of inorganic layers positioned in a pad region in which a flexible printed circuit board is connected to prevent a path of cracks caused by repeated bending and spreading of the organic electroluminescent device from spreading to the interior of the device.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: November 2, 2021
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Su Ho Kim, Sang Bae Kim, Jun Tae Jeon, Yong Sam Lee
  • Patent number: 9876064
    Abstract: Provided is a flexible organic electroluminescent device and a method for fabricating the same. In the flexible electroluminescent device, line hole patterns are formed on surfaces of a plurality of inorganic layers positioned in a pad region in which a flexible printed circuit board is connected to prevent a path of cracks caused by repeated bending and spreading of the organic electroluminescent device from spreading to the interior of the device.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: January 23, 2018
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Su Ho Kim, Sang Bae Kim, Jun Tae Jeon, Yong Sam Lee
  • Patent number: 11818924
    Abstract: Provided is a flexible organic electroluminescent device and a method for fabricating the same. In the flexible electroluminescent device, line hole patterns are formed on surfaces of a plurality of inorganic layers positioned in a pad region in which a flexible printed circuit board is connected to prevent a path of cracks caused by repeated bending and spreading of the organic electroluminescent device from spreading to the interior of the device.
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: November 14, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: Su Ho Kim, Sang Bae Kim, Jun Tae Jeon, Yong Sam Lee
  • Patent number: 9684421
    Abstract: A display device includes a first electrode arranged in a first direction, and a second electrode arranged in a second direction, wherein the first electrode crosses the second electrode. A base film is between the first electrode and the second electrode, and a driving hole is in one of the first electrode and the second electrode. The driving hole is in a region in which the first electrode overlaps the second electrode, and a side of the driving hole is tilted relative to the first or second direction.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: June 20, 2017
    Assignee: LG Display Co., Ltd.
    Inventor: Jinwook Choi