Uv curable compositions for producing electroluminescent...

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 5/22 (2006.01) C08F 246/00 (2006.01) C09D 4/00 (2006.01) C09D 4/06 (2006.01) C09D 133/04 (2006.01) C09D 175/16 (2006.01) C09K 11/02 (2006.01) H05B 33/10 (2006.01) H05B 33/20 (2006.01)

Patent

CA 2385041

The present invention discloses an ultraviolet light curable electroluminescent composition and method for making such a composition that may be used to produce an electroluminescent active layer. An active layer is a layer that when incorporated in a suitable device emits light when a voltage is applied. The disclosed composition does not contain any significant amount of volatile organic solvents that do not become incorporated in the active layer after curing. It is an advantage of the present invention that the deposition of the dielectric layer in such a device is optional when the disclosed electroluminescent composition is used to deposit the active layer.

La présente invention concerne une composition électroluminescente polymérisable par la lumière ultraviolette et un procédé de préparation d'une telle composition pouvant être utilisée pour produire une couche active électroluminescente. Une couche active est une couche qui, lorsqu'elle est incorporée dans un dispositif approprié émet de la lumière suite à l'application d'une tension. La composition selon l'invention ne contient pas de quantité significative de solvants organiques volatils qui, après le durcissement, pénètrent dans la couche active. L'avantage représenté par la présente invention concerne le fait que le dépôt de la couche diélectrique dans un dispositif de ce type est facultative lorsque la composition électroluminescente selon l'invention est utilisée pour déposer la couche active.

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