Patents by Inventor Chuang-Bang Chiu

Chuang-Bang Chiu 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).

  • Novel red fluorescent powder
    Publication number: 20070090327
    Abstract: A novel red fluorescent powder of the following formula (I): AB(MO4)2??(I) wherein A is independently Li+, Na+, K+, Rb+, Cs+, or Ag+; B is Europium of trivalent rare-earth ion (Eu3+); and M is molybdenum (Mo) or tungsten(W). The red fluorescent powder prepared by a solid-state method is used in light emitted diodes (LED), particular in white light LEDs. It has strong absorption in the near-UV wavelength of 360 nm to 420 nm, improved luminescence intensity than commercially available, high color purity, luminescent efficiency, and excellent chemical stability.
    Type: Application
    Filed: June 15, 2006
    Publication date: April 26, 2007
    Inventors: I-Min Chan, Sheng-Bang Huang, Chuang-Bang Chiu, Teng-Ming Chen, Yuan-Cheng Chin