Patents by Inventor Hun Jun Choo

Hun Jun Choo 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: 20040074366
    Abstract: An apparatus for cutting liquid crystal display panels is disclosed in the present invention. The apparatus includes at least one table receiving bonded mother substrates having a plurality of unit liquid crystal display panels, at least one cutting wheel forming a scribing line on a surface of the bonded mother substrates, and a suction unit coupled to the at least one cutting wheel and sucking in glass debris on the surface of the bonded mother substrates.
    Type: Application
    Filed: June 6, 2003
    Publication date: April 22, 2004
    Applicant: LG.PHILIPS LCD CO., LTD.
    Inventors: Hun-Jun Choo, Ji-Heum Uh, Sang-Sun Shin, Hwa-Seob Shim, Jong-Go Lim
  • Publication number: 20030223030
    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: June 28, 2002
    Publication date: December 4, 2003
    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: 20030179341
    Abstract: A cassette facilitates the inspection of liquid crystal panels and prevents breakage of the liquid crystal panels. The cassette includes a frame, plates arranged substantially parallel at top and bottom portions of the frame, and slots secured to the plates so as to secure the liquid crystal panels arranged within the cassette.
    Type: Application
    Filed: December 12, 2002
    Publication date: September 25, 2003
    Inventor: Hun Jun Choo
  • Publication number: 20030176148
    Abstract: An indicator for deciding a grinding amount of a liquid crystal display panel and a method for detecting grinding failure using the same are disclosed in the present invention. The indicator includes at least one alignment mark formed at a gate pad unit and a data pad unit of a liquid crystal display panel, and at least one pattern for detecting a grinding amount between a first end portion of the gate pad unit and the alignment mark, and a second end portion of the data pad unit and the alignment mark.
    Type: Application
    Filed: April 19, 2002
    Publication date: September 18, 2003
    Applicant: LG. Philips LCD Co., Ltd.
    Inventors: Kyung-Su Chae, Hun-Jun Choo, Jong Go Lim
  • Patent number: 6565421
    Abstract: The present invention discloses an apparatus for grinding a liquid crystal cell including a power unit; a first axis receiving a rotational motion from the power unit; a second axis extending from the first axis and rotating along with the first axis; a first grinding wheel having a first grinding surface and being arranged between the first and second axes, the first grinding surface having a first inclined angle; and a second grinding wheel having second and third grinding surfaces and being arranged at a terminal portion of the second axis, the second grinding surface having a second inclined angle, and the third grinding surface having a third inclined angle.
    Type: Grant
    Filed: September 1, 2000
    Date of Patent: May 20, 2003
    Assignee: LG Philips LCD Co., Ltd.
    Inventor: Hun-Jun Choo