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: 20010022643
    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: Application
    Filed: January 12, 2001
    Publication date: September 20, 2001
    Inventors: Kyeong Jin Kim, Yun Bok Lee
  • Publication number: 20010019391
    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: December 28, 2000
    Publication date: September 6, 2001
    Inventors: Kyeong Jin Kim, Yun Bok Lee
  • Publication number: 20010019388
    Abstract: A multi-domain liquid crystal display device includes first and second substrates, a plurality of gate lines on the first substrate in a first direction, a plurality of data lines formed in a second direction to cross the first direction, a plurality of thin film transistors formed in a portion where the gate lines cross the data lines, a plurality of pixel regions divided into at least one or more domains between neighboring gate and data lines, a plurality of pixel electrodes in each pixel region to be connected with the thin film transistors, at least one dielectric structure on the second substrate, a plurality of light-shielding layers formed in a boundary region of the domains and a region where the dielectric structure exists, on at least one of the first and second substrates, an alignment film on at least one of the first and second substrates, and a liquid crystal layer between the first substrate and the second substrate.
    Type: Application
    Filed: December 28, 2000
    Publication date: September 6, 2001
    Inventors: Kyeong Jin Kim, Do Hee Kwon
  • Patent number: 6268897
    Abstract: A liquid crystal cell having a first substrate with a rubbed layer provided thereon, a second substrate with a photo-aligned layer provided thereon, and a liquid crystal material provided between the substrates.
    Type: Grant
    Filed: May 15, 1998
    Date of Patent: July 31, 2001
    Assignee: LG Electronics Inc.
    Inventors: Jong Hyun Kim, Ki Hyuk Yoon, Joung Won Woo, Mi Sook Nam, Yoo Jin Choi, Kyeong Jin Kim
  • Publication number: 20010000438
    Abstract: A LC cell is manufactured by the method including the steps of: rubbing a first alignment layer coating a first substrate, such that the first alignment layer has a first pretilt angle associated therewith; exposing said second alignment layer coating a first substrste to light such that said second alignment layer has at least one second pretilt angle associated therewith; and providing a liquid crystal material between said first and second substrates. The materials for the first and second alignment layers include a polyimide and a polysiloxane based material.
    Type: Application
    Filed: December 15, 2000
    Publication date: April 26, 2001
    Applicant: LG Electronics Inc.
    Inventors: Jong Hyun Kim, Ki Hyuk Yoon, Joung Won Woo, Mi Sook Nam, Yoo Jin Choi, Kyeong Jin Kim
  • Patent number: 6191836
    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 alighment layer to unpolarized or partially polarized light, to provide pretilt for the molecules of the alighment layer.
    Type: Grant
    Filed: June 5, 1997
    Date of Patent: February 20, 2001
    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
  • Patent number: 6100953
    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 and comprising a gate electrode, a semiconductor layer, and source/drain electrodes, a pixel electrode in the pixel region, a light shielding layer on the second substrate, a color filter layer having electric field-distorting recesses on its surface on the light shielding layer, a common electrode having recesses corresponding to the electric field-distorting recesses of the color filter layer, and an alignment layer on at least one substrate between the first and second substrates.
    Type: Grant
    Filed: August 20, 1999
    Date of Patent: August 8, 2000
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Kyeong Jin Kim, Yun Bok Lee
  • Patent number: 6091471
    Abstract: A LC cell is manufactured by the method including the steps of: rubbing a first alignment layer coating a first substrate, such that the first alignment layer has a first pretilt angle associated therewith; exposing said second alignment layer coating a first substrate to light such that said second alignment layer has at least one second pretilt angle associated therewith; and providing a liquid crystal material between said first and second substrates. The materials for the first and second alignment layers include a polyimide and a polysiloxane based material.
    Type: Grant
    Filed: December 30, 1996
    Date of Patent: July 18, 2000
    Assignee: LG Electronics Inc.
    Inventors: Jong Hyun Kim, Ki Hyuk Yoon, Joung Won Woo, Mi Sook Nam, Yoo Jin Choi, Kyeong Jin Kim