H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 1/63 (2006.01) H01L 51/30 (2006.01) H01L 51/50 (2006.01) H05B 33/14 (2006.01) H01L 27/32 (2006.01) H01L 51/52 (2006.01)
Patent
CA 2275542
The present invention is directed to organic light emitting devices comprised of a heterostructure for producing electroluminescence, wherein the heterostructure includes a protection layer between a hole transporting layer and an indium tin oxide anode layer. The hole injection enhancement layer may be comprised of 3,4,9,10-perylenetetracarboxylic dianhydride (PTCDA), bis(1,2,5-thiadiazolo)-p-quinobis(1,3-dithiole) (BTQBT), or other suitable, rigid organic materials. The present invention is further directed to methods of fabricating such devices, wherein the devices may include alternative combinations of materials for each of the layers included in the devices.
L'invention concerne des dispositifs organiques luminescents composés d'une hétérostructure servant générer une électroluminescence et comprenant une couche de protection entre une couche de transport de trous et une couche anodique en oxyde d'indium-étain. La couche d'amplification d'injection de trous peut être composée de dianhydride 3, 4, 9, 10- pérylènetétracarboxylique (PTCDA), de bis(1, 2, 5-thiadiazolo)-p-quinobis(1,3-dithiole) (BTQBT) ou d'autre matériaux organiques rigides appropriés. Elle concerne, de plus, des procédés de fabrication de ces dispositifs, ces derniers pouvant comporter des combinaisons alternées de matériaux pour chacune des couches qu'ils contiennent.
Burrows Paul
Cronin Jon A.
Forrest Stephen R.
Garbuzov Dmitri
Shen Zilan
Smart & Biggar
The Trustees Of Princeton University
The University Of Southern California
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