Production of phosphor layers using alkali silicates

1. A method for producing a phosphor layer or a phosphor body, comprising:

applying a suspension comprising at least one solid phosphor and at least one alkali silicate to a substrate surface or into a mold to create a phosphor layer or a phosphor body; and

curing the phosphor layer or the phosphor body, the mass ratio of the alkali silicate and phosphor being from approximately 1:5 to approximately 5:1.

2. The method as claimed in claim 1 , the suspension also comprising water.

3. The method as claimed in claim 2 , the volume concentration ratio of the alkali silicate and water being from approximately 1:5 to approximately 5:1.

4. The method as claimed in claim 1 , the alkali silicate being sodium silicate, potassium silicate or a mixture thereof.

5. The method as claimed in claim 1 , the application of the suspension being performed by pasting, printing, spraying or injecting.

6. The method as claimed in claim 1 , the application of the suspension to create a phosphor layer including spinning or ultrasonic treatment.

7. The method as claimed in claim 1 , the substrate being a heat sink or an optical component.

8. The method as claimed in claim 1 , the substrate or the mold consisting of glass, ceramic or metal.

9. The method as claimed in claim 1 , the curing being performed by drying.

10. The method as claimed in claim 1 , the curing being performed at elevated temperature.

11. An optical component comprising or consisting of a phosphor layer produced by a method according to claim 1 .

12. A lamp comprising a phosphor layer produced by a method according to claim 1 .

13. A lamp comprising an optical component according to claim 11 .