Electroluminescent device

H - Electricity – 01 – L

Patent

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Details

H01L 51/52 (2006.01) H01L 51/56 (2006.01)

Patent

CA 2751559

The invention discloses an electroluminescent device (10), comprising a substrate (40) and on top of the substrate (40) a substrate electrode (20), a counter electrode (30) and an electroluminescent layer stack with at least one organic electroluminescent layer (50) arranged between the substrate electrode (20) and the counter electrode (30), and an encapsulation means (90) at least encapsulates the electroluminescent layer stack, at least one divide (80,80') dividing at least the counter electrode (30) into a plurality of electrically separated counter-electrode-segments (110,110',110"), below the divide (80,80') an electrically non-conductive protective means (70) is arranged on the substrate electrode (20) exceeding the divide (80, 80') and the protective means (70) is arranged on the substrate electrode (20) with a shape suitable to prevent the emergence of a shadowing edge.

La présente invention concerne un dispositif électroluminescent (10) comprenant un substrat (40) et par dessus le substrat (40), une électrode substrat (20), une contre-électrode (30) et un empilement de couches électroluminescentes comprenant au moins une couche électroluminescente organique (50) ménagé entre l'électrode substrat (20) et la contre-électrode (30), et un moyen d'encapsulation (90) encapsulant au moins l'empilement de couches électroluminescentes, au moins une séparation (80, 80') séparant au moins la contre-électrode (30) en plusieurs segments de contre-électrode électriquement séparés (110, 110', 110''), sous la séparation (80, 80'), un moyen protecteur non électroconducteur (70) est placé sur l'électrode substrat (20) de manière à dépasser de la séparation (80, 80') et le moyen protecteur (70) est placé sur l'électrode substrat (20) avec une forme propre à empêcher l'apparition d'un bord induisant un effet d'écran.

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