Patents by Inventor Sung Su Jung

Sung Su Jung 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: 7698833
    Abstract: An apparatus for hardening a sealant on a substrate is disclosed in the present invention. The apparatus includes a chamber receiving at least a pair of bonded substrates, and at least one supporting unit supporting the bonded substrates, attached to inner side surfaces of the chamber, and having a substantially flat contact surface contacting the bonded substrates.
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: April 20, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Moo Yeol Park, Sung Su Jung
  • Patent number: 7691432
    Abstract: A dispenser for a liquid crystal display panel includes a syringe for applying a dispensing material to a substrate through a nozzle provided at one end portion thereof, a cap unit provided at the other end portion of the syringe, a gas supply unit for supplying a gas to the syringe through a gas pipe penetrating the cap unit, a valve provided in the gas pipe, a detecting unit for detecting a residual quantity of the dispensing material remaining in the syringe through a flow amount of gas supplied from the gas supply unit to the syringe and a controller for controlling the gas supply unit, the valve and the detecting unit.
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: April 6, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Su Jung, Yong-Keun Kwak
  • Patent number: 7687101
    Abstract: A dispenser for a liquid crystal display panel includes a table on which a substrate is loaded, an aligning substrate provided at least along one side of the substrate, at least one syringe having a nozzle at an end portion for supplying a material onto the substrate or onto the aligning substrate; and an image camera provided at a side of the syringe for detecting an image of the material on the substrate or on the aligning substrate.
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: March 30, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Su Jung, Yong-Keun Kwak
  • Patent number: 7678410
    Abstract: A dispenser for a liquid crystal display panel includes a substrate on which at least one image display is formed, a table on which the substrate having at least one image display part is loaded, and at least one syringe horizontally movable to change position in relation to the table for supplying a sealant on the substrate to form a seal pattern.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: March 16, 2010
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Su Jung, Yong-Keun Kwak
  • Publication number: 20100006029
    Abstract: An apparatus for aligning a dispenser includes a table having a first alignment mark, an alignment plate provided along at least one side of the table, at least one syringe supplying a dispensing material to the alignment plate through a nozzle provided at one end portion thereof to form a second alignment mark, a first image camera provided along a side of the syringe and detecting an image of the second alignment mark, a second image camera detecting an image of the first alignment mark, and an alignment control unit aligning the image of the second alignment mark and a first reference position, and aligning an image of the first alignment mark and a second reference position.
    Type: Application
    Filed: September 10, 2009
    Publication date: January 14, 2010
    Inventors: Sung-Su Jung, Yong-Keun Kwak
  • Patent number: 7595083
    Abstract: An apparatus for aligning a dispenser includes a table having a first alignment mark, an alignment plate provided along at least one side of the table, at least one syringe supplying a dispensing material to the alignment plate through a nozzle provided at one end portion thereof to form a second alignment mark, a first image camera provided along a side of the syringe and detecting an image of the second alignment mark, a second image camera detecting an image of the first alignment mark, and an alignment control unit aligning the image of the second alignment mark and a first reference position, and aligning an image of the first alignment mark and a second reference position.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: September 29, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Su Jung, Yong-Keun Kwak
  • Publication number: 20090238950
    Abstract: A dispenser for a liquid crystal display panel includes a syringe having a nozzle provided at an end thereof, a body in which the syringe is mounted, a vertical driving stepping motor for moving the body in a vertical direction, a first sensor for detecting whether the nozzle of the syringe is in contact with a substrate, a second sensor for detecting a gap distance between the nozzle and the substrate, and a main unit for controlling the vertical driving stepping motor in response to an output from the second sensor to obtain a desired gap distance between the nozzle and the substrate.
    Type: Application
    Filed: June 1, 2009
    Publication date: September 24, 2009
    Inventors: Sung-Su Jung, Yong-Keun Kwak
  • Patent number: 7592034
    Abstract: A dispenser system for a liquid crystal display panel includes at least one table upon which a substrate having a plurality of image display parts is loaded, a plurality of syringes each having a nozzle at one end portion for supplying a dispensing material onto the substrate, and a plurality of robot arms having the plurality of syringes arranged at both sides of the table.
    Type: Grant
    Filed: October 24, 2003
    Date of Patent: September 22, 2009
    Assignee: LG Display Co., Ltd.
    Inventor: Sung-Su Jung
  • Patent number: 7567336
    Abstract: A method for manufacturing a liquid crystal display device includes providing first and second substrates; forming a main seal pattern on one of the first and second substrates by a printing method; forming a dummy sealant on the substrate having the main seal pattern by a selective dispensing method; dispensing liquid crystal material directly onto one of the first and second substrates; attaching the first and second substrates; and irradiating UV light to the attached first and second substrates.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: July 28, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Sung Su Jung, Soo Min Kwak
  • Patent number: 7547362
    Abstract: A dispenser for a liquid crystal display panel includes a syringe having a nozzle provided at an end thereof, a body in which the syringe is mounted, a vertical driving stepping motor for moving the body in a vertical direction, a first sensor for detecting whether the nozzle of the syringe is in contact with a substrate, a second sensor for detecting a gap distance between the nozzle and the substrate, and a main unit for controlling the vertical driving stepping motor in response to an output from the second sensor to obtain a desired gap distance between the nozzle and the substrate.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: June 16, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Su Jung, Yong-Keun Kwak
  • Patent number: 7532301
    Abstract: A method for fabricating a liquid crystal display panel includes forming a UV sealant on either one of first and second substrates, forming a liquid crystal layer between the first and second substrates, attaching the first and second substrates, irradiating a UV ray on the attached substrates with masking regions where the UV sealant and at least one scribing line are crossed, and cutting the bonded substrates into a plurality of unit cells.
    Type: Grant
    Filed: December 16, 2003
    Date of Patent: May 12, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Moo Yeol Park, Sung Su Jung
  • Publication number: 20080273158
    Abstract: A liquid crystal display panel and the method of manufacturing the same are disclosed. Because an overlap portion of the seal pattern that encompasses in a closed form the outer edge of the image display part is minimized, excessive distribution of sealant at the overlap portion may be prevented.
    Type: Application
    Filed: May 5, 2008
    Publication date: November 6, 2008
    Applicant: L.G.DISPLAY CO., LTD
    Inventors: Sung Su Jung, Yong Keun Kwak
  • Patent number: 7436483
    Abstract: Disclosed is a system for fabricating a liquid crystal display using liquid crystal dropping and a method of fabricating a liquid crystal display using the same. The present invention includes a liquid crystal forming line dropping liquid crystals on the first substrate, a sealant forming line forming the sealant on the second substrate, and a bonding and hardening line bonding the two substrates to each other and hardening the sealant, printing a sealant, bonding the substrates each other, and hardening the sealant and an inspection process line of cutting the bonded substrates into panel units and grinding and inspecting the unit panels.
    Type: Grant
    Filed: April 1, 2005
    Date of Patent: October 14, 2008
    Assignee: LG Display Co., Ltd.
    Inventors: Yong Sang Byun, Moo Yeol Park, Sung Su Jung, Sung Chun Kang, Jong Woo Kim, Young Hun Ha, Sang Seok Lee, Sang Ho Park, Hun Jun Choo, Hyug Jin Kweon, Kyung Su Chae, Hae Joon Son, Sang Sun Shin, Jong Go Lim
  • Patent number: 7408614
    Abstract: A seal pattern structure for a liquid crystal display panel is disclosed. Because an overlap portion of the seal pattern that encompasses in a closed form the outer edge of the image display part is minimized, excessive distribution of sealant at the seal pattern overlap portion may be prevented. The liquid crystal display panel including the seal pattern includes a substrate having at least one image display part; a start pattern formed from a point spaced apart from the image display part to a point adjacent to an outer edge of the image display part; a main pattern connected to the start pattern and encompassing the outer edge of the image display part; and an end pattern connected to the main pattern and formed from the outer edge of the image display part to a point spaced apart from the image display part, wherein a connection part between the start pattern and the main pattern and a connection part between the main pattern and the end pattern cross each other.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: August 5, 2008
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Sung-Su Jung, Yong-Keun Kwak
  • Patent number: 7407553
    Abstract: A dispenser is provided for fabricating a liquid crystal display panel. The dispenser includes at least one dispensing unit to supply a dispensing material on a substrate, at least one support member to support and align the dispensing unit, and a plurality of syringes mounted on each dispensing unit.
    Type: Grant
    Filed: April 16, 2004
    Date of Patent: August 5, 2008
    Assignee: LG Display Co., Ltd.
    Inventors: Sung-Su Jung, Yong-Keun Kwak
  • Publication number: 20080170197
    Abstract: Disclosed is a system for fabricating a liquid crystal display using liquid crystal dropping and a method of fabricating a liquid crystal display using the same. The present invention includes a liquid crystal forming line dropping liquid crystals on the first substrate, a sealant forming line forming the sealant on the second substrate, and a bonding and hardening line bonding the two substrates to each other and hardening the sealant, printing a sealant, bonding the substrates each other, and hardening the sealant and an inspection process line of cutting the bonded substrates into panel units and grinding and inspecting the unit panels.
    Type: Application
    Filed: May 31, 2007
    Publication date: July 17, 2008
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Yong Sang Byun, Moo Yeol Park, Sung Su Jung, Sung Chun Kang, Jong Woo Kim, Young Hun Ha, Sang Seok Lee, Sang Ho Park, Hun Jun Choo, Hyug Jin Kweon, Kyung Su Chae, Hae Joon Son, Sang Sun Shin, Jong Go Lim, Wan Soo Kim, Young Hun Jeung, Joung Ho Ryu, Ji Heum Uh, Im Su Lee
  • Patent number: 7365824
    Abstract: A system for fabricating a liquid crystal display using liquid crystal dropping and a method of fabricating a liquid crystal display using the same includes a liquid crystal forming line dropping liquid crystals on the first substrate, a sealant forming line forming the sealant on the second substrate, and a bonding and hardening line bonding the two substrates to each other and hardening the sealant, printing a sealant, bonding the substrates each other, and hardening the sealant and an inspection process line of cutting the bonded substrates into panel units and grinding and inspecting the unit panels. The present invention includes the processes of dropping LC on a first substrate using a dispenser, forming a main UV hardening sealant on a second substrate, bonding the first and second substrates to each other in a vacuum state, UV hardening the main UV hardening sealant, cutting the bonded substrates into cell units, grinding the cut substrates, and finally inspecting the grinded substrates.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: April 29, 2008
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Yong Sang Byun, Moo Yeol Park, Sung Su Jung, Sung Chun Kang, Jong Woo Kim, Young Hun Ha, Sang Seok Lee, Sang Ho Park, Hun Jun Choo, Hyug Jin Kweon, Kyung Su Chae, Hae Joon Son, Sang Sun Shin, Jong Go Lim, Wan Soo Kim, Young Hun Jeung, Joung Ho Ryu, Ji Heum Uh, Im Su Lee
  • Patent number: 7365822
    Abstract: A method for fabricating an LCD includes the steps of (a) loading a first substrate and a second substrate having seals formed thereon on a bonding chamber, (b) bonding the first and second substrates, (c) fixing the bonded first and second substrates, and (d) unloading the fixed first and second substrates.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: April 29, 2008
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Sang Seok Lee, Sang Ho Park, Moo Yeol Park, Sung Su Jung
  • Patent number: 7362407
    Abstract: Disclosed is a method of fabricating a liquid crystal display device including forming a UV-hardening sealant on at least one of the first and second substrates, dropping a liquid crystal on one of the first and second substrates, attaching the first and second substrates to each other, aligning at least one mask with the attached substrates so as to expose only an area having the sealant formed thereon, and hardening the UV-hardening sealant by applying UV-rays through the mask to the attached substrates.
    Type: Grant
    Filed: September 17, 2002
    Date of Patent: April 22, 2008
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Moo Yeol Park, Sung Su Jung
  • Patent number: 7349050
    Abstract: A UV irradiating device and a method of manufacturing an LCD device using the same are disclosed. The UV irradiating device includes a UV light source part having a UV lamp and a reflecting plate, a support supporting the UV light source part, and a stage on which a substrate is placed, the UV light source being irradiated at a tilt angle upon the substrate. The UV is irradiated upon the substrate on which the UV sealant is formed, so that a sealant can be hardened even if a light-shielding layer or a metal line layer are formed between a UV irradiating surface and the UV sealant.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: March 25, 2008
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Moo Yeol Park, Sung Su Jung