Red garnet phosphors for use in LEDs
AssigneeLumination LLC
InventorsAnant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo, Yan Gao, Emil Vergilov Radkov
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AssigneeLumination LLC
InventorsAnant Achyut Setlur, Alok Mani Srivastava, Holly Ann Comanzo, Yan Gao, Emil Vergilov Radkov
Estimating the term…
Phosphor compositions having the formula LlMmAaGgPpQqNnZz:Ce3+, where L is at least one of Li, Na, K, Rb, and/or Cs; M is at least one of Be, Mg, Ca, Sr, Ba, Mn, Sn, Pb, and/or Zn; A is at least one of Bi, Sb, In, Sc, Y, and/or any of the rare earth elements; G is Si and/or Ge; Q is at least one of O, S, and/or Se; Z is at least one of F, Cl, Br, and/or I; and wherein 0≦l≦1, 2.5≦m≦5, 1.5≦a≦2.5, 2≦g≦2.5, 0≦p≦1, 0≦n≦1, 0≦z≦1, and l+2m+3a+4g+5p=2q+3n+z; and light emitting devices including a light source and the above phosphor. Also disclosed are blends of LlMmAaGgPpQqNnZz:Ce3+ and one or more additional phosphors and light emitting devices incorporating the same.
A lighting apparatus for emitting light comprising:
A phosphor blend comprising a first phosphor composition comprising LlMmAaGgPpQqNnZz:Ce3+, where L is at least one of Li, Na, K, Rb, and/or Cs;
A phosphor material comprising LlMmAaGgPpQqNnZz:Ce3+, where L is at least one of Li, Na, K, Rb, and/or Cs;
A phosphor material comprising LlMmAaGgPpQqNnZzCe3+, where L is at least one of Li, Na, K, Rb, and/or Cs;
A phosphor material comprising LlMmAaGgPpQqNnZzCe3+, where L is at least one of Li, Na, K, Rb, and/or Cs;
Dependencies are inferred from the claim text.