Patents Examined by Gabriel Olander
  • Plasma display unit
    Patent number: 7161298
    Abstract: A plasma display device includes a blue phosphor composed of a compound represented by Me3MgSi2O8:Eu (where, Me is at least calcium (Ca), strontium (Sr), or barium (Ba)). Concentration of bivalent Eu ions is 45 to 95% and concentration of trivalent Eu ions is 5 to 55%, of the europium (Eu) atoms contained in the blue phosphor layer. The plasma display device has less luminance degradation in a panel manufacturing process, high luminance, and long lifetime.
    Type: Grant
    Filed: May 15, 2003
    Date of Patent: January 9, 2007
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroyuki Kawamura, Kazuhiko Sugimoto, Masaki Aoki, Mitsuhiro Otani, Hiroshi Setoguchi, Junichi Hibino
  • Color cathode ray tube
    Patent number: 7015635
    Abstract: Disclosed is a color CRT capable of obtaining the safety for an explosion by setting a band force of a reinforcing band coupled to a flat panel to be optimum, wherein a ratio of an effective surface of the panel is 4:3 and a following condition 0.0426*U2?46.848*U+14095?T*W*Yp?0.0381*U2?35.517*U+9994.1 is satisfied.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: March 21, 2006
    Assignee: LG.Philips Displays Korea Co., Ltd.
    Inventor: Sung-Han Jung