Electroluminescent devices comprising diketopyrrolopyrroles

Details Electroluminescent devices comprising diketopyrrolopyrroles Electroluminescent devices comprising diketopyrrolopyrroles

2006-06-13

2006-06-13

Yamnitzky, Marie (Department: 1774)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S455000, C548S512000, C252S301160, C428S917000, C313S504000

Reexamination Certificate

active

07060843

ABSTRACT:
Electroluminescent device comprising in this order(a) an anode(b) a hole transporting layer(c) a light-emitting layer(d) optionally an electron transporting layer and(e) a cathode and a light-emitting substance, wherein the light-emitting substance is a diketopyrrolopyrrole represented by formula I or formula IIIprocesses for the preparation of compounds I, its uses and compositions comprising the compounds I and/or III.

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