Method of making organic light emitting devices

Details Method of making organic light emitting devices Method of making organic light emitting devices

2011-03-22

2011-03-22

Wojciechowicz, Edward (Department: 2895)

Semiconductor device manufacturing: process

Making device or circuit emissive of nonelectrical signal

C438S795000, C427S066000, C428S413000, C428S690000, C257S040000, C257S079000

Reexamination Certificate

active

07910386

ABSTRACT:
The present invention provides a method for the preparation of organic light-emitting devices comprising a bilayer structure made by forming a first film layer comprising an electroactive material and an INP precursor material, and exposing the first film layer to a radiation source under an inert atmosphere to generate an interpenetrating network polymer composition comprising the electroactive material. At least one additional layer is disposed on the reacted first film layer to complete the bilayer structure. The bilayer structure is comprised within an organic light-emitting device comprising standard features such as electrodes and optionally one or more additional layers serving as a bipolar emission layer, a hole injection layer, an electron injection layer, an electron transport layer, a hole transport layer, exciton-hole transporting layer, exciton-electron transporting layer, a hole transporting emission layer, or an electron transporting emission layer.

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PCT International Search Report dated Jan. 15, 2008.
Yong Cao et al., “Efficient, Fast Response Light-Emitting Electrochemical Cells: Electroluminescent and Solid Electrolyte Polymers With Interpenetrating Network Morphology”, Appl. Phys. Lett., vol. 68, No. 23, pp. 3218-3220, Jun. 3, 1996.

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