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AssigneeLumination LLC
InventorsEmil Vergilov Radkov, Anant Achyut Setlur, Alok Mani Srivastava, Ljudmil Slavchev Grigorov
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Light emitting devices including backlights having a light source and a phosphor material including a complex fluoride phosphor activated with Mn4+ which may include at least one of (A) A2[MF5]:Mn4+; where A is selected from Li, Na, K, Rb, Cs, NH4, and combinations thereof; and where M is selected from Al, Ga, In, or combinations thereof; (B) A3[MF6]:Mn4+, where A is selected from Li, Na, K, Rb, Cs, NH4, and combinations thereof; and where M is selected from Al, Ga, In, or combinations thereof; (C) Zn2[MF7]:Mn4+, where M is selected from Al, Ga, In, or combinations thereof; and (D) A[In2F7]:Mn4+ where A is selected from Li, Na, K, Rb, Cs, NH4, or combinations thereof.
A lighting apparatus for emitting white light comprising:
A phosphor material comprising at least one phosphor selected from the group consisting of:
A phosphor blend comprising at least one phosphor material selected from the group consisting of (A)-(D), and at least one additional phosphor:
A backlight device comprising a red line-emitting complex fluoride phosphor material activated with Mn4+ having a peak emission wavelength between 610 and 650 nm;
Dependencies are inferred from the claim text.