Pai Patent & Trademark Law Firm
Blue phosphors, white light illumination devices and solar cells utilizing the same
The invention provides phosphors composed of Eu(1-x-w)MaxMbwMgMc10O17, wherein Ma is Yb, Sn, Ce, Tb, Dy, or combinations thereof, and 0<x<0.5, Mb is Ca, Sr, Ba, or combinations thereof, and 0≦w≦0.5, and Mc is Al, Ga, Sc, In, or combinations thereof. The blue phosphors emit blue light under the excitation of ultraviolet light or blue light, and the phosphors may be further collocated with different colored phosphors to provide a white light illumination device. The blue phosphors of the invention can efficiently utilize light in solar cells.
Industrial Technology Research Institute
Y C H Y
Y02E C09K H01L Y02B
additional inventional inventional additional
Tien-Heng Yao-Tsung Fang-Ching Shian-Jy
Huang Yeh Chang Wang