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US 8,941,295 B2Granted
Fluorescent material and illumination device
OwnerKai-Shon Tsai, Chien-Li Leeinventors
Life of this patent
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Abstract
A fluorescent material is represented by the following formula (I): M1yM2nOzNx:M3w (I); wherein M1 is selected from Sc3+, Y3+, La3+, Sm3+, Gd3+, Pm3+, Er3+, Lu3+, and combinations thereof; M2 is selected from Al3+, In3+, Ga3+, and combinations thereof; M3 is selected from Tm3+, Bi3+, Tb3+, Ce3+, Eu3+, Mn3+, Er3+, Yb3+, Ho3+, Gd3+, Pr3+, Dy3+, Nd3+, and combinations thereof; 0.6≦x/n≦1.6, 0.54≦y/n≦0.6, 0<w/n≦0.06, and 0≦z/n≦1.5. An illumination device including a light emitting element and the aforesaid fluorescent material is also disclosed.
Claims8
A fluorescent material represented by the following formula (I):
- M1yM2nOzNx:M3w (I);
- wherein M1 is selected from the group consisting of Sc3+, Y3+, La3+, Sm3+, Gd3+, Pm3+, Er3+, Lu3+, and combinations thereof;
- M2 is selected from the group consisting of Al3+, In3+, Ga3+, and combinations thereof;
- M3 is selected from the group consisting of Tm3+, Bi3+, Tb3+, Ce3+, Eu3+, Mn3+, Er3+, Yb3+, Ho3+, Gd3+, Pr3+, Dy3+, Nd3+, and combinations thereof;
- 0.6≦x/n≦1.6, 0.54≦y/n≦0.6, 0<w/n≦0.06, and 0≦z/n≦1.5.
2 more elements
Dependencies are inferred from the claim text.