Magnesium calcium thioaluminate phosphor
AssigneeiFire Technology Inc.
InventorsDan Daeweon Cheong, M. Abdul Nakua, Xingwei Wu
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Abstract
A thin film phosphor for an electroluminescent device, the phosphor being a compound of the formula MgxCa1−xAl2S4:M, where the value of x is in the range 0<x<0.3 and M is a rare earth activator. A method for the preparation of the phosphor on a substrate is also disclosed.
Claims17
A thin film phosphor for an electroluminescent device, said phosphor comprising a compound of the formula MgxCa1-xAl2S4:M, where the value of x is in the range 0<x<0.3 and M is a rare earth activator.
A thin film phosphor for an electroluminescent device, said phosphor comprising magnesium calcium thioaluminate activate with a rare earth metal, said magnesium calcium thioaluminate containing an atomic ratio of up to 30 atomic percent of magnesium to magnesium plus calcium to effect a lowering of the temperature of deposition of the phosphor on a substrate.
Dependencies are inferred from the claim text.