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: 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: 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: 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: 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: 8810763
    Abstract: A pixel electrode structure of a display device is discussed. According to an embodiment, the pixel electrode structure includes a plurality of sub pixel electrodes disposed substantially in parallel in the pixel region, wherein the sub pixel electrodes have progressively greater widths and progressively greater spaces therebetween starting from one side of the pixel region to the other opposite side of the pixel region.
    Type: Grant
    Filed: December 12, 2006
    Date of Patent: August 19, 2014
    Assignee: LG Display Co., Ltd.
    Inventors: Moo Hyoung Song, Hoan Su Shim
  • 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: 7884912
    Abstract: Provided is a liquid crystal display device. The liquid crystal display device includes a pixel including at least two domains generating electric fields of different directions. A contact part disposed in the boundary between the domains electrically connects a common line with a common electrode. The common line is disposed in a pixel adjacent to the pixel, so that both a viewing angle and an aperture ratio can be improved.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: February 8, 2011
    Assignee: LG Display Co., Ltd.
    Inventors: Dae Young Seok, Moon Soo Kang