Patent ID: 8704437

Claim:
A phosphor mixture for a discharge lamp, which comprises phosphor compounds, said phosphor compounds consisting of a first phosphor compound and a second phosphor compound, wherein the first phosphor compound has an emission spectrum consisting in the green and/or yellow spectral range and absorbs UV radiation emitted by an Hg source and radiation in the blue spectral range emitted by the Hg source, wherein the first phosphor compound of the phosphor mixture comprises (Ba,Sr,Ca) 2 SiO 4 :Eu and/or (Sr i-x-y Ba x Ca y )Si 2 O 2 N 2 : Eu(SrSiON), as a constituent; the second phosphor compound of the phosphor mixture comprises Y 2 O 3 :Eu, as a constituent, and has an emission spectrum consisting in the red spectrum range; wherein the phosphor mixture has a color temperature of less than 2500 K; wherein the mass fraction of the first phosphor compound is less than or equal to 50%; and wherein the dominant wavelength of the phosphor mixture is more than 575 nm.