Patents by Inventor Jeong-Su Yu

Jeong-Su Yu 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: 6364497
    Abstract: A backlight system for use in display devices including liquid crystal displays, or in advertising means or in lighting devices includes one or more light sources, a light-glide panel, a light reflecting film, an anisotropic light diffusing film, and a light collimating film. A light source is positioned at one or more edges of the light-guide panel in a predetermined direction. A light reflecting film is placed below the light-guide panel. An anisotropic light diffusing film is placed over the light-guide panel. The anisotropic light diffusing film has directionally different diffusing properties. The light collimating film has a top surface and a smooth bottom surface. The top surface of the light collimating film includes a lenticular layer extending in a predetermined direction. The lenticular layer has a plurality of linear prisms. A reflective polarizer can be employed over the light collimating film.
    Type: Grant
    Filed: October 17, 2000
    Date of Patent: April 2, 2002
    Assignee: L G Chemical Ltd.
    Inventors: Euk-Byoung Park, Jong-Hun Kim, Hoon-Soon Lee, Yoon-Keun Lee, Jeong-Su Yu
  • Patent number: 6037544
    Abstract: Disclosed is a splice closure for telecommunications cables. The splice closure includes a body having an upper portion and a lower portion, at least one entrance hole formed at opposing ends of the body, a plurality of flanges formed longitudinally along edges of both the upper and lower portions of the body where the same are joined, a compound reservoir formed between the flanges and into which a sealing compound is injected to form a seal, end stoppers having at least one cable hole and which are provided at ends of the splice closure, and plugs received in the cable holes of the end stoppers.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: March 14, 2000
    Assignees: LG Chemical Ltd, LG Cable and Machinery Ltd.
    Inventors: Jeoung-Yeoun Lee, Jeong-su Yu, Jang-youl Rhee, Dong-pyo Kim, Hui-jung Kim, Jae-ik Whang, Sang-Cheol Lee