Patents by Inventor Jae-Choon Ryu

Jae-Choon Ryu 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).

  • Rubbing apparatus of liquid crystal display device
    Patent number: 8236107
    Abstract: A system that forms an alignment layer of a liquid crystal device has an applicator that applies an alignment layer of material on a substrate, a magnetic field generator that applies a magnetic field to directionally align the alignment layer material, and a firing device to fire the directionally aligned material.
    Type: Grant
    Filed: July 9, 2007
    Date of Patent: August 7, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Jae-Choon Ryu, Hao-Joon Son
  • Rubbing method of liquid crystal display device
    Publication number: 20070254114
    Abstract: A system that forms an alignment layer of a liquid crystal device has an applicator that applies an alignment layer of material on a substrate, a magnetic field generator that applies a magnetic field to directionally align the alignment layer material, and a firing device to fire the directionally aligned material.
    Type: Application
    Filed: July 9, 2007
    Publication date: November 1, 2007
    Inventors: Jae-Choon Ryu, Hao-Joon Son
  • Apparatus and method of dispensing liquid crystal
    Patent number: 7273077
    Abstract: An apparatus for dispensing liquid crystal material including a container containing liquid crystal material, a discharge pump drawing-in liquid crystal material and discharging the drawn liquid crystal material, a nozzle dispensing the discharged liquid crystal material onto LCD panel regions as a plurality of liquid crystal droplets, and a control unit calculating a total amount of liquid crystal material to be dispensed onto each LCD panel region as a dispensing pattern of liquid crystal droplets each having an amount of liquid crystal material contained therein and for compensating the total amount of liquid crystal material by at least one of: compensating the predetermined number of liquid crystal droplets arranged within the predetermined dispensing pattern, and compensating the predetermined amount of liquid crystal material within at least one liquid crystal droplet.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: September 25, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Jae-Choon Ryu, Sang-Hyun Kim, Sung-Su Jung, Dong-Ho Park
  • Rubbing method of liquid crystal display device
    Patent number: 7252863
    Abstract: A rubbing method, i.e., a method of forming an alignment layer, of a liquid crystal display device includes providing a substrate, applying an alignment layer on the substrate, applying a magnetic field to the alignment layer by a magnetic field generator and firing the alignment layer.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: August 7, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Jae-Choon Ryu, Hae-Joon Son
  • Apparatus and method of dispensing liquid crystal
    Publication number: 20050133109
    Abstract: An apparatus for dispensing liquid crystal material including a container containing liquid crystal material, a discharge pump drawing-in liquid crystal material and discharging the drawn liquid crystal material, a nozzle dispensing the discharged liquid crystal material onto LCD panel regions as a plurality of liquid crystal droplets, and a control unit calculating a total amount of liquid crystal material to be dispensed onto each LCD panel region as a dispensing pattern of liquid crystal droplets each having an amount of liquid crystal material contained therein and for compensating the total amount of liquid crystal material by at least one of: compensating the predetermined number of liquid crystal droplets arranged within the predetermined dispensing pattern, and compensating the predetermined amount of liquid crystal material within at least one liquid crystal droplet.
    Type: Application
    Filed: November 24, 2004
    Publication date: June 23, 2005
    Inventors: Jae-Choon Ryu, Sang-Hyun Kim, Sung-Su Jung, Dong-Ho Park
  • Rubbing method of liquid crystal display device
    Publication number: 20050095372
    Abstract: A rubbing method, i.e., a method of forming an alignment layer, of a liquid crystal display device includes providing a substrate, applying an alignment layer on the substrate, applying a magnetic field to the alignment layer by a magnetic field generator and firing the alignment layer.
    Type: Application
    Filed: October 29, 2004
    Publication date: May 5, 2005
    Inventors: Jae-Choon Ryu, Hae-Joon Son
  • Coating method of forming orientation film of predetermined pattern
    Patent number: 6842216
    Abstract: The present invention discloses a method of forming an orientation film on a substrate, including: providing the substrate on a stage; positioning a slit coater having a slit nozzle on the substrate; and spraying an orientation material on the substrate through the slit nozzle of the slit coater.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: January 11, 2005
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Jae-Choon Ryu, Joung-Ho Ryu