Oxynitride encapsulated electroluminescent phosphor particles

Details Oxynitride encapsulated electroluminescent phosphor particles Oxynitride encapsulated electroluminescent phosphor particles

C - Chemistry, Metallurgy

09

K

C09K 11/02 (2006.01) C09K 11/70 (2006.01) C23C 16/06 (2006.01) C23C 16/34 (2006.01) C23C 16/40 (2006.01) C23C 16/442 (2006.01)

Patent

CA 2345743

Encapsulated electroluminescent phosphor particles and a method of making same. Each electroluminescent phosphor particle is encapsulated by a substantially transparent metal oxynitride coating. The coating provides the phosphor particle with reduced sensitivity to humidity accelerated decay.

L'invention concerne des particules de phosphore encapsulées, et leur procédé de fabrication. Chaque particule de phosphore électroluminescente est encapsulée dans un revêtement d'oxynitrure métallique sensiblement transparent. Ce revêtement permet de réduire la sensibilité des particules de phosphore à la dégradation accélérée par l'humidité.

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