Patent ID: 7298077

Claim:
A device for generating ultraviolet radiation by means of an excimer discharge, which device is equipped with an at least partly UV-transparent discharge vessel whose discharge space is filled with a gas filling, with means for triggering and maintaining an excimer discharge in the discharge space, and with a coating that contains a phosphor comprising a host lattice and neodymium(III) as an activator, wherein the phosphor is selected from the group (La 1-x Y x )PO 4 :Nd where 0≦x≦1, (La 1-x Y x )PO 4 :Nd,Pr where 0≦x≦1, SrAl 12 O 19 :Nd, LaB 3 O 6 :Nd; LaMgB 5 O 10 :Nd, SrAl 12 O 19 :Nd,Pr, LaBO 3 O 6 :Nd,Pr, LaMgB 5 O 10 :Nd,Pr and GdPO 4 :Nd.