Patents by Inventor Hyun-Ho Song

Hyun-Ho Song 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).

  • Patent number: 7362405
    Abstract: A method of fabricating a liquid crystal display device includes providing a first substrate, forming an alignment layer on the first substrate using an ink jet method to form a plurality of holes that expose portions of the first substrate, and forming a spacer within each of the plurality of holes using the ink jet method.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: April 22, 2008
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Kyung-Su Chae, Hyun-Ho Song
  • Patent number: 7363107
    Abstract: A substrate transfer system is used in fabricating a liquid crystal display (LCD) device. The system includes a cassette having a bar code, a cassette stocker to store the cassette; an auto guided vehicle that is able to transfer the cassette; a moving path unit to determine a moving path of the auto guided vehicle, a plurality of process stages at which processes are conducted on a substrate during fabrication of the LCD device, and a host to control the cassette stocker, the auto guided vehicle and the process stages. At least one of the auto guided vehicle and the cassette stocker having a bar code reader.
    Type: Grant
    Filed: September 29, 2006
    Date of Patent: April 22, 2008
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Kyung-Su Chae, Hyun-Ho Song
  • Patent number: 7340322
    Abstract: A rubbing apparatus and method for liquid crystal display panels are provided. The apparatus includes at least one cassette for keeping at least one mother substrate to be rubbed, an internal port for keeping at least one dummy substrate for performing alignment of a rubbing material, at least one rubbing unit for receiving the at least one mother substrate from the at least one cassette to perform a rubbing thereon using the rubbing material, or receiving the at least one dummy substrate from the internal port to perform an alignment process of the rubbing material, and a robot for transferring or returning the at least one mother substrate kept in the at least one cassette, the at least one dummy substrate kept in the internal port, the at least one mother substrate which has been rubbed in the at least one rubbing unit, or the at least one dummy substrate on which the alignment process of the rubbing material has been performed.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: March 4, 2008
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Jeong-Joon Lee, Hyun-Ho Song, Joung-Won Choi
  • Publication number: 20080002137
    Abstract: An LCD device and a method for manufacturing the same is disclosed, in which it is possible to correct a problem of insufficient or excessive supply of liquid crystal in an LCD device by controlling an amount of liquid crystal. The method includes preparing a liquid crystal cell comprised of a first substrate, a second substrate, a liquid crystal layer between the first and second substrates, and a first sealant formed in the periphery of the liquid crystal layer between the first and second substrates; measuring an amount of liquid crystal provided to the inside of liquid crystal cell; forming an inlet for liquid crystal in the first sealant; and regulating the amount of liquid crystal by supplying or discharging the liquid crystal through the inlet; and sealing the inlet.
    Type: Application
    Filed: June 29, 2006
    Publication date: January 3, 2008
    Inventors: Bum Soo Kim, Byoung Chul Choi, Byoung-Mok Ha, Chang Bo Shim, Chang-Soo Na, Cheol Joo Moon, Chong Chan Eun, Gu-Yun Bok, Hae Joon Son, Heung-Sun Kim, Hong Seok Lee, Hyung Jin Park, Hyun-Ho Song, In Kye Lee, Jae Choon Ryu, Jae Ho Shin, Jae Min Jong, Je Hyun Kim, Jeong-Ho Lee, Jeong-Joon Lee, Jong Won Kim, Jun Beom Cho, Jun Young Yu, Jung Seung Kim, Jung-Deog Yoo, Jung-Sik Kim, Se Joon Baek, Seung-Bum Lee, Seung-Won Moon, Sung-Mo Koo, Tae Man Kim, Young Phil Bang, Myoung Su Yang, Jae Kyun Lee, Ilyun-Seok Jang, Jung Il Lee
  • Publication number: 20070153181
    Abstract: An apparatus for rubbing an alignment layer by which a defective rubbing due to a load can be prevented by installing a head at an upper portion of a frame, the apparatus including a frame, a rubbing table to which a substrate having an alignment layer is loaded, a rubbing roll disposed at an upper portion of the rubbing table inside the frame, and a head disposed at an upper portion of the frame that supports the rubbing roll.
    Type: Application
    Filed: June 30, 2006
    Publication date: July 5, 2007
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Hyun-Ho Song, Byoung-Chul Choi, Chang-Soo Na
  • Patent number: 7225917
    Abstract: A conveyor system is disclosed, having a width adjustment unit capable of adjusting a width according to the size of goods to transfer semiprocessed goods in the process line, which includes a transfer unit for transferring goods; conveyor plates provided at both sides of the transfer unit, and guiding the goods by supporting both sides of the goods; and the width adjustment unit including a wire connected with the conveyor plates, a driving pulley operating the wire, and a driven connected with the wire.
    Type: Grant
    Filed: September 28, 2004
    Date of Patent: June 5, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Ji Heum Uh, Kyung Su Chae, Jeong Joon Lee, Hyun Ho Song, Hong Seok Lee
  • Publication number: 20070027575
    Abstract: A substrate transfer system is used in fabricating a liquid crystal display (LCD) device. The system includes a cassette having a bar code, a cassette stocker to store the cassette; an auto guided vehicle that is able to transfer the cassette; a moving path unit to determine a moving path of the auto guided vehicle, a plurality of process stages at which processes are conducted on a substrate during fabrication of the LCD device, and a host to control the cassette stocker, the auto guided vehicle and the process stages. At least one of the auto guided vehicle and the cassette stocker having a bar code reader.
    Type: Application
    Filed: September 29, 2006
    Publication date: February 1, 2007
    Inventors: Kyung-Su Chae, Hyun-Ho Song
  • Patent number: 7139640
    Abstract: A substrate transfer system is used in fabricating a liquid crystal display (LCD) device. The system includes a cassette having a bar code, a cassette stocker to store the cassette; an auto guided vehicle that is able to transfer the cassette; a moving path unit to determine a moving path of the auto guided vehicle, a plurality of process stages at which processes are conducted on a substrate during fabrication of the LCD device, and a host to control the cassette stocker, the auto guided vehicle and the process stages. At least one of the auto guided vehicle and the cassette stocker having a bar code reader.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: November 21, 2006
    Assignee: LG.Philips LCD. Co., Ltd.
    Inventors: Kyung-Su Chae, Hyun-Ho Song
  • Patent number: 7098988
    Abstract: A method of fabricating a liquid crystal display device includes providing a first substrate, forming an alignment layer on the first substrate using an ink jet method to form a plurality of holes that expose portions of the first substrate, and forming a spacer within each of the plurality of holes using the ink jet method.
    Type: Grant
    Filed: October 1, 2003
    Date of Patent: August 29, 2006
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Kyung-Su Chae, Hyun-Ho Song
  • Publication number: 20060187400
    Abstract: A method of fabricating a liquid crystal display device includes providing a first substrate, forming an alignment layer on the first substrate using an ink jet method to form a plurality of holes that expose portions of the first substrate, and forming a spacer within each of the plurality of holes using the ink jet method.
    Type: Application
    Filed: April 21, 2006
    Publication date: August 24, 2006
    Inventors: Kyung-Su Chae, Hyun-Ho Song
  • Patent number: 7089814
    Abstract: An apparatus for inspecting rubbing inferiority of an alignment film of a liquid crystal display device by spraying moisture particles, the apparatus including a moisture storing unit for storing moisture, and a moisture particle generating unit for pelletizing moisture ejected from the moisture storing unit and spraying on a substrate.
    Type: Grant
    Filed: December 29, 2003
    Date of Patent: August 15, 2006
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Kyung-Su Chae, Hyun-Ho Song
  • Publication number: 20050096791
    Abstract: A rubbing apparatus and method for liquid crystal display panels are provided.
    Type: Application
    Filed: October 29, 2004
    Publication date: May 5, 2005
    Inventors: Jeong-Joon Lee, Hyun-Ho Song, Joung-Won Choi
  • Patent number: 6822719
    Abstract: A liquid crystal display device includes a first substrate, a second substrate opposing the first substrate, a plurality of gate lines and a plurality of data lines on the first substrate, each of the gate lines crossing each of the data lines at a crossing point, a plurality of gate pads, each gate pad disposed at a first end of each gate line, a plurality of data pads, each data pad disposed at a first end of each data line, a dummy portion between the pads, the dummy portion having a same pattern as a pattern of the plurality of gate pads and a pattern of the plurality of data pads, a plurality of thin film transistors disposed at the cross point, a first alignment layer on the first substrate, and a liquid crystal layer between the first substrate and the second substrate.
    Type: Grant
    Filed: May 16, 2002
    Date of Patent: November 23, 2004
    Assignee: LG. Phillips LCD Co., Ltd.
    Inventors: Hyun Ho Song, Cheol Woo Park
  • Publication number: 20040196349
    Abstract: An apparatus for forming an alignment layer of a liquid crystal display device includes: an alignment material dropping unit with a head having a plurality of holes for dropping an alignment material on the substrate; an alignment material supply unit to supply the alignment material to the alignment material dropping unit; a scan unit to survey alignment material dropping from the head; and a monitor to display an image base upon scan data from the scan unit so that the discharge state of the plurality of holes in the head can be checked.
    Type: Application
    Filed: March 9, 2004
    Publication date: October 7, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Heon-Do Yun, Hyun-Ho Song
  • Publication number: 20040134290
    Abstract: An apparatus for inspecting rubbing inferiority of an alignment film of a liquid crystal display device by spraying moisture particles, the apparatus including a moisture storing unit for storing moisture, and a moisture particle generating unit for pelletizing moisture ejected from the moisture storing unit and spraying on a substrate.
    Type: Application
    Filed: December 29, 2003
    Publication date: July 15, 2004
    Inventors: Kyung-Su Chae, Hyun-Ho Song
  • Publication number: 20040125328
    Abstract: A method of fabricating a liquid crystal display device includes providing a first substrate, forming an alignment layer on the first substrate using an ink jet method to form a plurality of holes that expose portions of the first substrate, and forming a spacer within each of the plurality of holes using the ink jet method.
    Type: Application
    Filed: October 1, 2003
    Publication date: July 1, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Kyung-Su Chae, Hyun-Ho Song
  • Publication number: 20040128023
    Abstract: A substrate transfer system is used in fabricating a liquid crystal display (LCD) device. The system includes a cassette having a bar code, a cassette stoker to store the cassette; an auto guided vehicle that is able to transfer the cassette; a moving path unit to determine a moving path of the auto guided vehicle, a plurality of process stages at which processes are conducted on a substrate during fabrication of the LCD device, and a host to control the cassette stoker, the auto guided vehicle and the process stages. At least one of the auto guided vehicle and the cassette stoker having a bar code reader.
    Type: Application
    Filed: December 5, 2003
    Publication date: July 1, 2004
    Applicant: LG.Philips LCD Co., Ltd.
    Inventors: Kyung-Su Chae, Hyun-Ho Song
  • Publication number: 20020176045
    Abstract: A liquid crystal display device includes a first substrate, a second substrate opposing the first substrate, a plurality of gate lines and a plurality of data lines on the first substrate, each of the gate lines crossing each of the data lines at a crossing point, a plurality of gate pads, each gate pad disposed at a first end of each gate line, a plurality of data pads, each data pad disposed at a first end of each data line, a dummy portion between the pads, the dummy portion having a same pattern as a pattern of the plurality of gate pads and a pattern of the plurality of data pads, a plurality of thin film transistors disposed at the cross point, a first alignment layer on the first substrate, and a liquid crystal layer between the first substrate and the second substrate.
    Type: Application
    Filed: May 16, 2002
    Publication date: November 28, 2002
    Applicant: LG. Philips LCD Co., Ltd.
    Inventors: Hyun Ho Song, Cheol Woo Park