Patents by Inventor Yi-Chen Chiu

Yi-Chen 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).

  • Red phosphor and white light illumination device utilizing the same
    Publication number: 20080136310
    Abstract: The invention provides a red phosphor composed of M(Eu1-x-yLaxBiy)4Si3O13, wherein M is Ca, Sr, Ba, or combinations thereof, 0<x<1, and 0<y<1. Under excitation of blue light or ultraviolet light, the red phosphor emits red light having a major emission peak of about 613 nm. The red phosphor of the invention may be collocated with green and blue phosphors to provide a white light illumination device.
    Type: Application
    Filed: July 5, 2007
    Publication date: June 12, 2008
    Inventors: Teng-Ming Chen, Yi-Chen Chiu, Shian-Jy Wang, Yao-Tsung Yeh, Shyue-Ming Jang