Organic EL element and organic EL display

Details Organic EL element and organic EL display Organic EL element and organic EL display

2005-04-12

2005-04-12

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S506000

Reexamination Certificate

active

06879099

ABSTRACT:
Provided is an organic EL display including a substrate, anodes arranged on one major surface of the substrate, an insulating separator layer covering the major surface of the substrate and having through-holes in the positions of the anodes, organic emitting layers disposed on the anodes, buffer layers disposed between the anodes and the organic emitting layers, and a cathode covering the organic emitting layers, wherein a central portion of each of the buffer layers is thicker than its periphery.

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Hubert Spreitzer et al., “Soluble Phenyl-Substituted PPVs-New Materials for Highly Efficient Polymer LEDs,” Advanced Materials, 1998, No. 16, pp. 1340-1343 no month.
Gerrit Klärner et al., “Colorfast Blue-Light-Emitting Random Copolymers Derived from Di-n-hexylfluorene and Anthracene,” Advanced Materials, 1998, No. 13, pp. 993-997 no month.
U.S. Appl. No. 10/395,253, filed Mar. 25, 2003, Katsuyuki Naito.

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