Patent ID: 11860521
Assignee: SCHOTT AG
Field: Optics (Instruments)
Classification: CPC G  C | IPC C  G

Claim 4:
5. The light source of claim 1, wherein the converter element comprises a material selected from a group consisting of a host scheelite lattice of Eu3+ ions, tungstate, Li3Ba2La3(MoO4)—Eu3+, (Y1-xEux)2Mo3,O12, (Y1-xEux)2Mo4O15, Li3Ba2(La1-xEux)3(MoO4)8, K(Y1-xEux)(WO4)2, Li(Y1-xEux)(WO4)2, Na(Y1-xEux)(WO4)2, MgY2-xEux(WO4)4, CaY2-xEux(WO4)4, Ca1-2xEuxLixWO4, molybdate, vanadate, tungstate, tantalate, lanthanum, terbium, gadolinium, yttrium, and lutetium,
wherein Eu replaces at least one of element in the material of the converter element in a percentage between 10% and 100%,
wherein the material of the converter element further comprises an element selected from a group consisting of molybdate, vanadate, tungstate, tantalate, lithium, sodium, potassium, magnesium, calcium, and strontium.