SYSTEMS AND METHODS FOR DEPOSITING PHOSPHOR CONTAINING INK

Phosphor materials and devices containing such phosphor materials are disclosed. An ink composition of in accordance with the present disclosure comprises a phosphor material comprising a Mn4+ doped phosphor of formula 1, Ax[MFy]:Mn4+ (I), and at least one rare earth containing Garnet phosphor, the...

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Bibliographische Detailangaben
Hauptverfasser: Murphy, James E, Liu, Jie Jerry, Khinda, Gurvinder Singh, Chen, Zeying, DePuccio, Daniel Peter, Maleski-Yadeski, Kathleen Ann, Yakimov, Aharon, Pavinatto, Felippe
Format: Patent
Sprache:eng
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Zusammenfassung:Phosphor materials and devices containing such phosphor materials are disclosed. An ink composition of in accordance with the present disclosure comprises a phosphor material comprising a Mn4+ doped phosphor of formula 1, Ax[MFy]:Mn4+ (I), and at least one rare earth containing Garnet phosphor, the at least one rare earth Garnet phosphor is present in the phosphor material in an amount of at least about 80 wt % based on the weight of the phosphor material, wherein the at least one rare earth containing a Garnet phosphor has a D50 particle size from about 0.5 microns to about 15 microns, where A is Li, Na, K, Rb, Cs, or a combination thereof; M is Si, Ge, Sn, Ti, Zr, Al, Ga, In, Sc, Y, La, Nb, Ta, Bi, Gd, or a combination thereof; x is the absolute value of the charge of the [MFy] ion; and y is 5, 6 or 7.