Patents by Inventor Kyeong Jin Kim

Kyeong Jin Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20040246422
    Abstract: A multi-domain liquid crystal display device includes first and second substrates facing each other and a liquid crystal layer between the first and second substrates. A plurality of gate bus lines are arranged in a first direction on the first substrate and a plurality of data bus lines are arranged in a second direction on the first substrate to define a pixel region. A pixel electrode is electrically charged through the data bus line in the pixel region. A common-auxiliary electrode surrounds the pixel electrode on a same layer whereon the gate bus line is formed.
    Type: Application
    Filed: July 15, 2004
    Publication date: December 9, 2004
    Inventors: Seong Moh Seo, Hyun Ho Shin, Kyeong Jin Kim, Yun Bok Lee, Jeom Jae Kim
  • Patent number: 6825906
    Abstract: A multi-domain liquid crystal display device comprises first, and second substrates facing each other and a liquid crystal layer between the first and second substrates. A plurality of gate bus lines are arranged in a first direction on the first substrate and a plurality of data bus lines are arranged in a second direction on the first substrate to define a pixel region. A pixel electrode electrically is charged through the data bus line in the pixel region, a color filter layer is formed on the second substrate, and a common electrode is formed on the color filter layer. Dielectric frames are formed in the pixel region, and an alignment layer on at least one substrate between the first and second substrates.
    Type: Grant
    Filed: August 30, 2002
    Date of Patent: November 30, 2004
    Assignee: LG.Philips LCD Co., Inc.
    Inventors: Kyeong Jin Kim, Jang Jin Yoo, Sung Joon Bae
  • Patent number: 6809787
    Abstract: A multi-domain liquid crystal display device includes first and second substrates facing each other and a liquid crystal layer between the first and second substrates. A plurality of gate bus lines are arranged in a first direction on the first substrate and a plurality of data bus lines are arranged in a second direction on the first substrate to define a pixel region. A pixel electrode is electrically charged through the data bus line in the pixel region. A common-auxiliary electrode surrounds the pixel electrode on a same layer whereon the gate bus line is formed.
    Type: Grant
    Filed: February 24, 1999
    Date of Patent: October 26, 2004
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Seong Moh Seo, Hyun Ho Shin, Kyeong Jin Kim, Yun Bok Lee, Jeom Jae Kim
  • Publication number: 20040189902
    Abstract: A dual display liquid crystal display (LCD) device includes a front light unit for supplying a light, a first polarizing plate disposed on the front light unit, a first phase compensation film disposed on the first polarizing plate, an LCD panel disposed on the first phase compensation film, a selective reflection/transmission unit disposed on the LCD panel, a second phase compensation film disposed on the selective reflection/transmission unit, and a second polarizing plate disposed on the second phase compensation film, wherein the selective reflection/transmission unit selectively reflects and transmits the incident light so that the dual display LCD device operates in reflection mode to display an image on a front side thereof in a first display mode and operates in a transmission mode to display an image on a rear side thereof in a second display mode.
    Type: Application
    Filed: December 19, 2003
    Publication date: September 30, 2004
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Kyeong Jin Kim, Hoon Kang
  • Publication number: 20040183960
    Abstract: A dual LCD device includes a liquid crystal panel having a liquid crystal layer interposed between a first substrate and a second substrate, first and second polarizing plates attached to opposing surfaces of the liquid crystal panel, a first front light unit attached to a front side of the liquid crystal panel, and a second front light unit attached to a rear side of the liquid crystal panel.
    Type: Application
    Filed: March 18, 2004
    Publication date: September 23, 2004
    Applicant: LG. PHILIPS LCD CO., LTD.
    Inventors: Kyeong Jin Kim, Hoon Kang
  • Patent number: 6774967
    Abstract: A multi-domain liquid crystal display device includes: first and second substrates opposing each other; a liquid crystal layer formed between the first substrate and the second substrate; a plurality of gate lines and data lines formed on the first substrate lengthwise and crosswise to define pixel regions; a pixel electrode formed in the pixel regions; at least one or more electric field induction windows independently formed in the pixel electrode; a common auxiliary electrode formed on a layer equal to the gate lines to surround the pixel regions; a common electrode formed on the second substrate; at least one or more dielectric structures independently formed on the common electrode to distort electric field applied to the liquid crystal layer; and an alignment film formed on at least one of the first and second substrates.
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: August 10, 2004
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Kyeong Jin Kim, Yun Bok Lee
  • Patent number: 6757040
    Abstract: Multi-domain liquid crystal display including a first substrate and a second substrate, a liquid crystal layer between the first and second substrates, a plurality of gatelines and datalines on the first substrate crossed each other at fixed intervals, a pixel electrode in each of pixel regions formed between the gatelines and the datalines, a supplementary electrode around each of the pixel electrodes in the same layer with the pixel electrodes, at least one field induction window in each of the pixel regions, and an optical orientation film formed at least one of the first and second substrates.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: June 29, 2004
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Kyeong Jin Kim, Do Hee Kwon, Seong Moh Seo
  • Patent number: 6750935
    Abstract: A multi-domain liquid crystal display device includes first and substrates facing each other and a liquid crystal layer between the first and second substrates. A plurality of gate bus lines are arranged in a first direction on the first substrate and a plurality of data bus lines arranged in a second direction on the first substrate to define a pixel region. A pixel electrode is electrically charged through the data bus line in the pixel region. A common-auxiliary electrode surrounds the pixel electrode on a same layer whereon the gate bus line is formed.
    Type: Grant
    Filed: December 3, 2002
    Date of Patent: June 15, 2004
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Seong Moh Seo, Hyun Ho Shin, Kyeong Jin Kim, Yun Bok Lee, Jeom Jae Kim
  • Publication number: 20040095538
    Abstract: A multi-domain liquid crystal display device includes first and second substrates having pixel regions; a liquid crystal layer formed between the first substrate and the second substrate; a plurality of dielectric structures formed on the first substrate at predetermined intervals; and a pixel electrode having a plurality of electric field induction windows formed to alternate with the dielectric structures.
    Type: Application
    Filed: November 13, 2003
    Publication date: May 20, 2004
    Inventors: Kyeong Jin Kim, Yun Bok Lee
  • Patent number: 6721025
    Abstract: A method for fabricating a liquid crystal cell and related device includes providing an alignment layer of a light sensitive material on a substrate; and exposing the alignment layer to unpolarized or partially polarized light, to provide pretilt for the molecules of the alignment layer.
    Type: Grant
    Filed: June 17, 2002
    Date of Patent: April 13, 2004
    Assignee: LG.Philips LCD Co., Ltd
    Inventors: Joung Won Woo, Kyeong Jin Kim, Soon Bum Kwon, Ki Hyuk Yoon, Young Seok Choi, Jong Hyun Kim, Jin Hee Jung
  • Publication number: 20040027531
    Abstract: A method for manufacturing a liquid crystal display panel includes preparing first and second substrates having an active region, forming a sealant along a periphery of the active region on at least one of the first and second substrates, dispersing a liquid crystal material on the at least one substrate, the liquid crystal material having a photo-reactant material, attaching the first and second substrates, and irradiating ultraviolet light on an entire surface of the at least one substrate.
    Type: Application
    Filed: August 5, 2003
    Publication date: February 12, 2004
    Applicant: LG. PHILIPS CO., LTD.
    Inventor: Kyeong Jin Kim
  • Publication number: 20040027523
    Abstract: A multi-domain liquid crystal display device comprises first, and second substrates facing each other and a liquid crystal layer between the first and second substrates. A plurality of gate bus lines are arranged in a first direction on the first substrate and a plurality of data bus lines are arranged in a second direction on the first substrate to define a pixel region. A pixel electrode electrically is charged through the data bus line in the pixel region, a color filter layer is formed on the second substrate, and a common electrode is formed on the color filter layer. Dielectric frames are formed in the pixel region, and an alignment layer on at least one substrate between the first and second substrates.
    Type: Application
    Filed: August 30, 2002
    Publication date: February 12, 2004
    Inventors: Kyeong Jin Kim, Jang Jin Yoo, Sung Joon Bae
  • Patent number: 6683670
    Abstract: A liquid crystal display device includes a first substrate, a second substrate having a seal region and an active region, a seal pattern on the seal region between the first and second substrates, a plurality of spacers in the active region and in the seal region, and a liquid crystal layer between the first and second substrates.
    Type: Grant
    Filed: November 20, 2001
    Date of Patent: January 27, 2004
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: In Jae Chung, Kyeong Jin Kim
  • Patent number: 6671020
    Abstract: A multi-domain liquid crystal display device includes first and second substrates having pixel regions; a liquid crystal layer formed between the first substrate and the second substrate; a plurality of dielectric structures formed on the first substrate at predetermined intervals; and a pixel electrode having a plurality of electric field induction windows formed to alternate with the dielectric structures.
    Type: Grant
    Filed: December 28, 2000
    Date of Patent: December 30, 2003
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Kyeong Jin Kim, Yun Bok Lee
  • Patent number: 6654090
    Abstract: The present multi-domain liquid crystal display device includes first and second substrates facing each other; a liquid crystal layer between the first and second substrates; a plurality of gate bus lines arranged in a first direction on the first substrate and a plurality of data bus lines arranged in a second direction on the first substrate to define a pixel region; a thin film transistor positioned at a crossing area of the data bus line and the gate bus line, the thin film transistor comprising a gate electrode, a semiconductor layer, and source/drain electrodes; a pixel electrode on the first substrate, the pixel electrode having at least one window inducing electric field therein; a color filter layer on the second substrate, the color filter layer having at least one window distorting electric field therein; a common electrode on the color filter layer; and an alignment layer on at least one substrate between the first and second substrates.
    Type: Grant
    Filed: March 30, 2000
    Date of Patent: November 25, 2003
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Kyeong Jin Kim, Yun Bok Lee, Jang Jin Yoo, Do Hee Kwon, Jae Beom Choi, Yong In Park
  • Patent number: 6642992
    Abstract: A method for manufacturing a liquid crystal display panel includes preparing first and second substrates having an active region, forming a sealant along a periphery of the active region on at least one of the first and second substrates, dispersing a liquid crystal material on the at least one substrate, the liquid crystal material having a photo-reactant material, attaching the first and second substrates, and irradiating ultraviolet light on an entire surface of the at least one substrate.
    Type: Grant
    Filed: November 7, 2001
    Date of Patent: November 4, 2003
    Assignee: LG.Philips LCD Co., Ltd.
    Inventor: Kyeong Jin Kim
  • Publication number: 20030112398
    Abstract: A multi-domain LCD device is disclosed, which includes a plurality of gate and data lines crossing one another on the first substrate, for defining a plurality of pixel regions. A pixel electrode is formed within the pixel region, the pixel electrode having an electric field induction window for dividing the pixel region into a plurality of domains. An auxiliary electrode is formed on the different layer from the pixel electrode, and beneath the edge of the pixel electrode. A common electrode is formed on a second substrate having a black matrix film and a color filter film. A circle type dielectric structure is formed on the common electrode in the plurality of domains, thereby obtaining wide viewing angle and high aperture ratio.
    Type: Application
    Filed: September 24, 2002
    Publication date: June 19, 2003
    Inventors: Kyeong Jin Kim, Ki Bok Park
  • Patent number: 6572939
    Abstract: A liquid crystal display device comprises first and second substrates, an alignment layer including a pyranose polymer or a furanose polymer on at least one of the first and second substrates, and a liquid crystal layer between the first and second substrates. The liquid crystal display device is characterized by excellent thermostability, superior anchoring energy and uniform alignment of the liquid crystal achieved in a reduced treatment time without creating any flowing effect in the liquid crystal.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: June 3, 2003
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Soon Bum Kwon, Kyeong Jin Kim, Young Seok Choi, Gerus Igor Iranovich, Andrey Dyadyusha, Yuriy A. Reznikov
  • Publication number: 20030086043
    Abstract: A multi-domain liquid crystal display device includes first and second substrates facing each other and a liquid crystal layer between the first and second substrates. A plurality of gate bus lines are arranged in a first direction on the first substrate and a plurality of data bus lines are arranged in a second direction on the first substrate to define a pixel region. A pixel electrode is electrically charged through the data bus line in the pixel region. A common-auxiliary electrode surrounds the pixel electrode on a same layer whereon the gate bus line is formed.
    Type: Application
    Filed: December 3, 2002
    Publication date: May 8, 2003
    Inventors: Seong Moh Seo, Hyun Ho Shin, Kyeong Jin Kim, Yun Bok Lee, Jeom Jae Kim
  • Patent number: 6525794
    Abstract: A multi-domain liquid crystal display device comprises first and second substrates facing each other and a liquid crystal layer between the first and second substrates. A plurality of gate bus lines are arranged in a first direction on the first substrate and a plurality of data bus lines are arranged in a second direction on the first substrate to define a pixel region. A pixel electrode is formed in the pixel region, a color filter layer is formed on the second substrate, and a common electrode is formed on the color filter layer. Dielectric frames control alignment direction of the liquid crystal molecules in the liquid crystal layer, and an alignment layer is formed on at least one substrate between the first and second substrates.
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: February 25, 2003
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Kyeong Jin Kim, Do Hee Kwon