Patents by Inventor Moo Yeol Park

Moo Yeol Park 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: 8491299
    Abstract: A seal hardening furnace is presented in which seal lines in a liquid crystal display panel are hardened. The seal hardening furnace includes a cassette having a rack bar structure. The rack bar structure has rack bars for supporting the substrate along one direction and rack bar supports at ends of the rack bars that support the rack bars. The rack bars have air discharge openings therein. An air injecting passage is connected to the rack bar supports. An air supply unit supplies air through the air injecting passage and through the discharge openings to support the substrate thereon.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: July 23, 2013
    Assignee: LG Display Co., Ltd.
    Inventors: Moo-Yeol Park, Jong-Won Kim
  • Patent number: 8322542
    Abstract: A cassette for receiving substrates includes a frame, and a plurality of support plates protruding from both lateral sides of the frame, wherein the support plates have a width and length large enough to support the substrates without a bending and an access space for a robot arm to transport the substrates, an area of the access space corresponding to an area of the robot arm.
    Type: Grant
    Filed: December 19, 2002
    Date of Patent: December 4, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Moo Yeol Park, Sung Su Jung
  • Patent number: 8189167
    Abstract: A mask holder for irradiating UV-rays is disclosed in the present invention. The mask holder includes a lower part having a frame and a mask supporting member supporting a mask, wherein the mask supporting member is in the frame and has a plurality of first connecting portions, and an upper part having a plurality of second connecting portions to be aligned with the first connecting portions.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: May 29, 2012
    Assignee: LG Display Co., Ltd.
    Inventors: Yong Sang Byun, Moo Yeol Park, Sung Su Jung
  • Patent number: 7710534
    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: May 31, 2007
    Date of Patent: May 4, 2010
    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, Wan Soo Kim, Young Hun Jeung, Joung Ho Ryu, Ji Heum Uh, Im Su Lee
  • 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
  • Publication number: 20100028822
    Abstract: A seal hardening furnace is presented in which seal lines in a liquid crystal display panel are hardened. The seal hardening furnace includes a cassette having a rack bar structure. The rack bar structure has rack bars for supporting the substrate along one direction and rack bar supports at ends of the rack bars that support the rack bars. The rack bars have air discharge openings therein. An air injecting passage is connected to the rack bar supports. An air supply unit supplies air through the air injecting passage and through the discharge openings to support the substrate thereon.
    Type: Application
    Filed: October 8, 2009
    Publication date: February 4, 2010
    Applicant: LG Display Co., Ltd.
    Inventors: Moo-Yeol Park, Jong-Won Kim
  • Patent number: 7618256
    Abstract: A seal hardening furnace is presented in which seal lines in a liquid crystal display panel are hardened. The seal hardening furnace includes a cassette having a rack bar structure. The rack bar structure has rack bars for supporting the substrate along one direction and rack bar supports at ends of the rack bars that support the rack bars. The rack bars have air discharge openings therein. An air injecting passage is connected to the rack bar supports. An air supply unit supplies air through the air injecting passage and through the discharge openings to support the substrate thereon.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: November 17, 2009
    Assignee: LG. Display Co., Ltd.
    Inventors: Moo-Yeol Park, Jong-Won Kim
  • 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
  • Patent number: 7522253
    Abstract: A method of forming a liquid crystal layer on a substrate having a sealed pattern, which includes the steps of preparing a liquid crystal material in a projecting portion; applying a vibration and a pressure to the projecting portion so as to emit the liquid crystal material from the projecting portion, and depositing the emitted liquid crystal material on the substrate. Also, an apparatus is provided for forming a liquid crystal layer on a substrate having a sealed pattern which includes a projecting portion having a liquid crystal material; a resonator for generating a vibration, and a resonating plate for transmitting the vibration to the projecting portion.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: April 21, 2009
    Assignee: LG Display Co., Ltd.
    Inventors: Young-Sang Byun, Moo-Yeol Park
  • 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
  • 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: 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: 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: 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
  • Patent number: 7295279
    Abstract: Disclosed is a system for fabricating a liquid crystal display (LCD) using liquid crystal dropping (LC) and a method of fabricating an LCD using the same. The invention includes an LC forming line dropping LC on a first substrate, a sealant forming line forming sealant on a second substrate, a bonding and hardening line printing a sealant, bonding the substrates each other, and hardening the sealant, and an inspection process line cutting the bonded substrates into panel units and grinding and inspecting the unit panels. The present invention drops LC on a first substrate using a dispenser, forms a main UV hardening sealant on a second substrate, bonds the first and second substrates to each other in a vacuum state, UV-hardens the main UV hardening sealant, cuts the bonded substrates into cell units, grinds the cut substrates, and inspects the grinded substrates.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: November 13, 2007
    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
  • Patent number: 7280180
    Abstract: The present invention discloses a liquid crystal display panel and a method for fabricating the same including a main UV sealant on a substrate, a first dummy UV sealant outside the main UV sealant, and a second dummy UV sealant outside the first dummy UV sealant.
    Type: Grant
    Filed: February 15, 2005
    Date of Patent: October 9, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Moo Yeol Park, Sung Su Jung
  • Patent number: 7218374
    Abstract: An LCD device and a method of manufacturing the same are disclosed, in which a sealant concentrated upon the end of a dispensing device is formed in a dummy region on a substrate, so that a liquid crystal layer is not contaminated when both substrates are attached to each other and a cell cutting process can easily be performed. The method of manufacturing an LCD device includes preparing a lower substrate and an upper substrate, forming an auxiliary UV sealant in a dummy region on one of the lower and upper substrate and forming a main UV sealant, applying a liquid crystal on one of the lower and upper substrates, attaching the lower and upper substrates, and irradiating UV light onto the attached substrates.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: May 15, 2007
    Assignee: LG.Philips LCD Co., Ltd.
    Inventors: Moo Yeol Park, Sung Su Jung, Young Sang Byun
  • Patent number: 7196763
    Abstract: The present invention discloses a liquid crystal display panel and a method for fabricating the same including a main UV sealant on a substrate, a first dummy UV sealant outside the main UV sealant, and a second dummy UV sealant outside the first dummy UV sealant.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: March 27, 2007
    Assignee: LG. Philips LCD Co., Ltd.
    Inventors: Moo Yeol Park, Sung Su Jung
  • Patent number: RE46146
    Abstract: An LCD device and a method of manufacturing the same are disclosed, in which a sealant concentrated upon the end of a dispensing device is formed in a dummy region on a substrate, so that a liquid crystal layer is not contaminated when both substrates are attached to each other and a cell cutting process can easily be performed. The method of manufacturing an LCD device includes preparing a lower substrate and an upper substrate, forming an auxiliary UV sealant in a dummy region on one of the lower and upper substrate and forming a main UV sealant, applying a liquid crystal on one of the lower and upper substrates, attaching the lower and upper substrates, and irradiating UV light onto the attached substrates.
    Type: Grant
    Filed: August 6, 2013
    Date of Patent: September 13, 2016
    Assignee: LG DISPLAY CO., LTD
    Inventors: Moo Yeol Park, Sung Su Jung, Young Sang Byun