H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 41/16 (2006.01) G09G 3/14 (2006.01) G09G 3/32 (2006.01) H01L 27/32 (2006.01)
Patent
CA 2278161
Arrangements for biasing the individual light emitting elements (40) of a stacked organic light emitting device (SOLED). A circuit comprising drivers (10, 20, 30) is provided for independently driving the individual OLEDs in a conventional SOLED having one electrode (47) coupled to ground potential and one further electrode (41, 43, 45) for each of the OLEDs in the stack. Additionally, new SOLED 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.
La présente invention concerne des montages permettant de polariser chacun des éléments photoémetteurs (40) d'un empilement (SOLED) de dispositifs photoémetteurs organiques (OLED). Un tel circuit comporte des modules de commande (10, 20, 30) permettant de commander de façon indépendante chacun des OLED d'un SOLED conventionnel comportant une électrode (47) couplée au potentiel de terre, et une autre électrode (41, 43, 45) pour chacun des OLED de l'empilement. L'invention concerne également des structures de SOLED dans lesquels chaque OLED de l'empilement dispose d'une référence de terre. L'invention concerne enfin un SOLED combinant des OLED verticaux et inversés.
Burrows Paul
Forrest Stephen R.
Smart & Biggar
The Trustees Of Princeton University
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