An UV radiation device for generating UV radiation in a wavelength range from 200 - 420 nm, comprising - an LED comprising a nitridic material which is arranged to emit first UV radiation in a wavelength range of 200 nm - 300 nm; - a luminescent material configured to convert at least a part of the first UV radiation into second UV radiation, the first UV radiation and the second UV radiation having a different spectral distribution, wherein the luminescent material comprises at least one material selected out of the group comprising LiLuF 4:Pr; CaSO 4:Pr,Na; SrSO 4:Pr,Na; BaSO 4:Pr,Na; LaPO 4:Pr; YPO 4:Pr; LuPO 4:Pr; KYF 4:Pr; LuPO 4:Bi; CaLi 2 SiO 4:Pr,Na; KY 3 F 10:Pr; YPO 4:Bi; YAlO 3:Pr; LaMgAl 11 O 1 9:Pr; (Ba 1-x Sr x) 2 SiO 4:Pr,Na; NaYF 4:Pr; SrAl 12 O 19:Pr,Na; Sr 4 Al 24 O 25:Pr,Na; LuBO 3:Pr; YBO 3:Pr; Y 2 SiO 5:Pr; Lu 2 SiO 5:Pr; Y 2 Si 2 O 7:Pr; Lu 2 Si 2 O 7:Pr; Lu 3 Al 5 O 12:Bi,Sc; Lu 3 Al 3 Ga 2 O 12:Pr; Lu 3 Al 4 GaO 12:Pr; SrMgAl 10 O 17:Ce,Na; Lu 3 Al 5 O 12:Pr; LiYF 4:Ce, LuF 3:Ce; YBO 3:Gd; Lu 3 Al 5 O 12:Gd; Y 3 Al 5 O 12:Gd; LaMgAl 11 O 19:Gd; LaAlO 3:Gd; YPO 4:Gd; GdPO 4:Nd; LaB 3 O 6:Gd,Bi; SrAl 12 O 19:Ce; LaPO 4:Ce; GdMgB 5 O 10:Ce; LuPO 4:Ce; CaF 2:Ce; Y 3 Al 5 O 12:Pr; LaCl 3:Ce; SrCl 2:Ce; (La 1-x Gd x)PO 4:Ce; Ca 2 P 2 O 7:Eu; YPO 4:Ce; LaMgAl 11 O 19:Ce; BaSi 2 O 5:Pb; Sr 2 MgSi 2 O 7:Pb; SrB 4 O 7:Eu; BaSO 4:Eu; SrSO 4:Eu; CaSO 4:Eu; (Sr 1-x Mg x) 2 P 2 O 7:Eu; YAl 3 (BO 3) 4:Gd,Pr; LaPO 4:Tm; LaMgAl 11 O 19:Gd,Bi; LaMgAl 11 O 19:Gd,Pr; YAl 3 (BO 3) 4:Gd,Bi, wherein x is in the range of 0 to 1.0, - an encapsulation material for encapsulation of the LED and scattering particles that are dispersed in the encapsulation material for scattering the first UV radiation emitted by the LED. - an LED comprising a nitridic material which is arranged to emit first UV radiation in a wavelength range of 200 nm - 300 nm; - a luminescent material configured to convert at least a part of the first UV radiation into second UV radiation, the first UV radiation and the second UV radiation having a different spectral distribution, wherein the luminescent material comprises at least one material selected out of the group comprising LiLuF 4:Pr; CaSO 4:Pr,Na; SrSO 4:Pr,Na; BaSO 4:Pr,Na; LaPO 4:Pr; YPO 4:Pr; LuPO 4:Pr; KYF 4:Pr; LuPO 4:Bi; CaLi 2 SiO 4:Pr,Na; KY 3 F 10:Pr; YPO 4:Bi; YAlO 3:Pr; LaMgAl 11 O 1 9:Pr; (Ba 1-x Sr x) 2 SiO 4:Pr,Na; NaYF 4:Pr; SrAl 12 O 19:Pr,Na; Sr 4 Al 24 O 25:Pr,Na; LuBO 3:Pr; YBO 3:Pr; Y 2 SiO 5:Pr; Lu 2 SiO 5:Pr; Y 2 Si 2 O 7:Pr; Lu 2 Si 2 O 7:Pr; Lu 3 Al 5 O 12:Bi,Sc; Lu 3 Al 3 Ga 2 O 12:Pr; Lu 3 Al 4 GaO 12:Pr; SrMgAl 10 O 17:Ce,Na; Lu 3 Al 5 O 12:Pr; LiYF 4:Ce, LuF 3:Ce; YBO 3:Gd; Lu 3 Al 5 O 12:Gd; Y 3 Al 5 O 12:Gd; LaMgAl 11 O 19:Gd; LaAlO 3:Gd; YPO 4:Gd; GdPO 4:Nd; LaB 3 O 6:Gd,Bi; SrAl 12 O 19:Ce; LaPO 4:Ce; GdMgB 5 O 10:Ce; LuPO 4:Ce; CaF 2:Ce; Y 3 Al 5 O 12:Pr; LaCl 3:Ce; SrCl 2:Ce; (La 1-x Gd x)PO 4:Ce; Ca 2 P 2 O 7:Eu; YPO 4:Ce; LaMgAl 11 O 19:Ce; BaSi 2 O 5:Pb; Sr 2 MgSi 2 O 7:Pb; SrB 4 O 7:Eu; BaSO 4:Eu; SrSO 4:Eu; CaSO 4:Eu; (Sr 1-x Mg x) 2 P 2 O 7:Eu; YAl 3 (BO 3) 4:Gd,Pr; LaPO 4:Tm; LaMgAl 11 O 19:Gd,Bi; LaMgAl 11 O 19:Gd,Pr; YAl 3 (BO 3) 4:Gd,Bi, wherein x is in the range of 0 to 1.0, - an encapsulation material for encapsulation of the LED and scattering particles that are dispersed in the encapsulation material for scattering the first UV radiation emitted by the LED.