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. <EOS>