Active solid-state devices (e.g. – transistors – solid-state diode – Organic semiconductor material
Patent
1993-01-29
1994-10-04
Crane, Sara W.
Active solid-state devices (e.g., transistors, solid-state diode
Organic semiconductor material
257103, 313504, H01L 2928
Patent
active
053529065
ABSTRACT:
Acetylene containing poly(p-phenyleneacetylene) (PPA) - based light-emitting diodes (LEDs) are provided. The LEDs are fabricated by coating a hole-injecting electrode, preferably an indium tin oxide (ITO) coated glass substrate, with a PPA polymer, such as a 2,5-dibutoxy or a 2,5-dihexoxy derivative of PPA, dissolved in an organic solvent. This is then followed by evaporating a layer of material capable of injecting electrons, such as Al or Al/Ca, onto the polymer to form a base electrode. This composition is then annealed to form efficient EL diodes.
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Barton Thomas J.
Ding Yiwei
Lu Feng
Shinar Joseph
Swanson Leland S.
Crane Sara W.
Iowa State University & Research Foundation, Inc.
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