H - Electricity – 01 – L
Patent
H - Electricity
01
L
H01L 51/40 (2006.01) H01L 51/52 (2006.01) H01L 51/30 (2006.01) H01L 51/50 (2006.01) H01L 33/00 (2006.01)
Patent
CA 2454743
The present invention includes methods for fabrication polymer light emitting devices (1) by screen-printing. These light emitting devices use silver paste as the top electrode (2), eliminating the use of evaporated low work function metal. This is made possible by the presence of a buffer layer such as the sulfonated polyaniline layer in the structure of SCALE devices. These devices allow a very inexpensive and fast means to form stable top electrodes for large-scale polymer light emitting device fabrication.
L'invention concerne des procédés destinés à fabriquer des dispositifs électroluminescents polymères (1) par sérigraphie. Ces dispositifs électroluminescents utilisent une pâte d'argent comme électrode supérieure (2), supprimant l'utilisation de métal évaporé à faible travail d'extraction. Ceci est rendu possible par la présence d'une couche tampon telle que la couche polyanyline sulfonée dans la structure des dispositifs d'ECHELLE. Ces dispositifs permettent à des moyens très peu coûteux et rapides de former des électrodes supérieures stables destinées à la fabrication d'un dispositif électroluminescent polymère à grande échelle.
Epstein Arthur J.
Wang Yunzhang
Smart & Biggar
The Ohio State University
LandOfFree
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