Organic electroluminescence device
US8592052B2 · kind B2 · utility
5Cited by
0References
8Claims
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Assignee
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Key dates
| Filing date | Dec 15, 2006 |
| Grant date | Nov 26, 2013 |
| Priority date | — |
| Expiry date | Oct 16, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/103
Abstract
[Problem to be solved by the Invention]An organic electroluminescence device having a longer drive life is provided.[Means for solving the Problem]An organic electroluminescence device comprises, between a pair of electrodes composed of an anode and a cathode, a light emitting layer, a hole transport layer provided on the anode side of the light emitting layer, and an electron transport layer provided on the cathode side of the light emitting layer.At least one layer among the layers constituting the electron transport layer includes an electron movement suppressing material which suppresses the movement of electrons.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.