Stacked organic light emitting devices

Details Stacked organic light emitting devices Stacked organic light emitting devices

G - Physics

09

G

G09G 3/00 (2006.01) H01L 27/32 (2006.01)

Patent

CA 2277796

Arrangements for biasing the individual light emitting elements of a stacked organic light emitting device (SOLED) (60). A circuit is provided for independently driving the individual OLEDs in a conventional SOLED having one electrode coupled to ground potential and one further electrode for each of the OLEDs in the stack. Additionally, new SOLED (60) structures are described in which each OLED in the stack is provided with a ground reference. A SOLED combining upright and inverted OLEDs is also described.

L'invention a trait à des dispositifs destinés à polariser les éléments individuels luminescents d'un dispositif organique luminescent à empilement (SOLED) (60). Un circuit excite, de manière indépendante, les dispositifs organiques luminescents individuels (OLED) d'un SOLED classique possédant une électrode couplée au potentiel à la terre et une autre électrode pour chacun des OLED dans l'empilement. L'invention porte, de surcroît, sur de nouvelles structures SOLED (60) dans lesquelles chaque OLED de l'empilement est doté d'une référence à la terre. Elle concerne également un SOLED associant des OLED verticaux et inversés.

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