Patent ID: 11859115
Assignee: TECHNISCHE UNIVERSITäT DRESDEN
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  F  G | IPC C  F  G

Claim 0:
1. A method for activating the phosphorescence of a structure:
wherein the structure comprises a first and a second material;
wherein a phosphor is admixed with the first material and oxygen is present in the region of the phosphor; and
wherein the second material is oxygen-impermeable at a temperature and, in the oxygen-impermeable state, acts as an oxygen barrier between the first material and an environment of the structure;
the method comprising:
activating the phosphorescence in a first activation step by irradiating the structure with light of a first characteristic, wherein irradiating the structure with the light of the first characteristic photochemically deactivates the oxygen present in the structure; and
initiating the phosphorescence by irradiating the structure with light of a second characteristic in a second activation step.