Hole transport layer and method for manufacturing the...

Compositions – Electrically conductive or emissive compositions

Reexamination Certificate

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C252S519120, C252S519210, C252S519310, C428S917000, C428S407000, C428S690000, C313S506000, C313S502000, C313S504000, C427S066000, C528S373000, C528S377000, C528S278000, C524S081000, C430S058050, C430S065000, C430S059100

Reexamination Certificate

active

10173679

ABSTRACT:
The present invention discloses a hole transport layer of an organic EL display, comprising: a material including one of a PEDOT which is a mixture of a poly (3,4)-ethylenedioxythiophene and a polystyrenesulfonate, a PANI which is a mixture of a polyaniline and a polystyrenesulfonate, and an aromatic amine derivative; and an organic compound derivative having the general structure, R1R2MR3R4, where “M” denotes one metal selected from a group consisting of Ti, Pt and one metal among elements belonging to groups 3A and 4A of periods 3 to 5.

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