Electroluminescent device

H - Electricity – 01 – L

Patent

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Details

H01L 51/52 (2006.01) H01L 27/32 (2006.01)

Patent

CA 2751560

The invention relates to an electroluminescent device (10) comprising a substrate and on top of the substrate a substrate electrode, a counter electrode 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) encapsulating at least the electroluminescent layer stack, the electroluminescent device (10) comprises at least one contact means (60), for electrically contacting the counter electrode (30) to an electrical source. The invention discloses that at least one protective means (70) is arranged on the substrate electrode (20), wherein the protective means (70) is electrically non-conductive and is at least fully covering the area below the contact means (60).

La présente invention concerne un dispositif électroluminescent (10) comprenant un substrat et par dessus le substrat une électrode substrat, une contre-électrode et un empilement de couches électroluminescentes comprenant au moins une couche électroluminescente organique (50), lequel empilement est disposé entre l'électrode substrat (20) et la contre-électrode (30), et un moyen d'encapsulation (90) encapsulant au moins l'empilement de couches électroluminescentes. Le dispositif électroluminescent (10) comprend au moins un moyen de contact (60) conçu pour raccorder électriquement la contre-électrode (30) à une source électrique. Selon le mode de réalisation, au moins un moyen protecteur (70) est disposé sur l'électrode substrat (20), le moyen protecteur (70) étant non électroconducteur et recouvre au moins totalement la zone sous le moyen de contact (60).

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