Seal and sealing process for electroluminescent displays

H - Electricity – 05 – B

Patent

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Details

H05B 33/04 (2006.01)

Patent

CA 2528837

The present invention is a sealed electroluminescent display that incorporates a perimeter seal that inhibits exposure of display components to atmospheric contaminants and to a sealing process for fabrication of the same. The sealed electroluminescent display comprises a substrate, a cover plate and an electroluminescent display structure between the substrate and the cover plate. A perimeter seal is provided that extends from the substrate to the cover plate to inhibit exposure of the electroluminescent display structure to an atmospheric contaminant. The perimeter seal comprises one or more layers of a sealing material wherein at least one of the layers further comprises a getter material.

L'invention concerne un afficheur électroluminescent hermétiquement clos, à joint de périmètre évitant l'exposition d'éléments constitutifs aux contaminants atmosphériques, et un procédé de fermeture étanche correspondant. L'afficheur décrit comprend un substrat, une plaque couvercle et une structure d'affichage électroluminescente entre les deux. Un joint de périmètre s'étend depuis le substrat à la plaque, évitant l'exposition de la structure d'affichage électroluminescente aux contaminants atmosphériques. Ce joint comprend une ou plusieurs couches de matériau d'étanchéité, et au moins une des couches comprend en outre un matériau getter.

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