Environmentally-stable organic electroluminescent fibers

Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly

Reexamination Certificate

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C445S066000, C313S504000

Reexamination Certificate

active

06855027

ABSTRACT:
An environmentally-stable organic electroluminescent (“EL”) fiber comprises at least one layer of an organic EL material formed on a fiber, cable, or wire; associated electrodes for providing a voltage to activate the organic EL material; and a barrier layer formed around the EL and electrode materials for reducing the permeation of oxygen, water vapor, and other reactive materials into the underlying layers. The barrier layer comprises either (1) alternating sublayers of a polymeric material and an inorganic material, or (2) alternating sets of adjacent sublayers of polymeric materials and adjacent sublayers of inorganic materials. Color of light emitted from the fiber may be modified by one or more layers containing inorganic and/or organic phosphor materials.

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