Patent ID: 7939996

Claim:
A display device ( 100 ) comprising a plurality of lighting units ( 101 ), each lighting unit comprising at least one light emitting diode ( 202 ) being provided with a fluorescent element ( 203 ) arranged to absorb at least part of the light emitted by said light emitting diode and emit light of a wavelength range different from that of the absorbed light, said fluorescent element ( 203 ) comprising at least one phosphor being an europium(II)-activated halogeno-oxonitridosilicate of the general formula Ea x Si y N 2/3x+4/3y :Eu z O a X b , wherein: 1≦x≦2; 3≦y≦7; 0.001<z≦0.09, 0.005<a≦0.05, 0.01<b≦0.3; Ea is at least one earth alkaline metal chosen from the group of calcium, barium and strontium; and X is at least one halogen chosen from the group of fluorine, chlorine, bromine and iodine.