Hole transport layer and method for manufacturing the organic EL device by using the same
US7201859B2 · kind B2 · utility
9Cited by
9References
25Claims
0Family size
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Key dates
| Filing date | Jun 18, 2002 |
| Grant date | Apr 10, 2007 |
| Priority date | — |
| Expiry date | Oct 23, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.