PIN-type organic light emitting diode
US9419238B2 · kind B2 · utility
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Key dates
| Filing date | Jun 14, 2013 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Jun 14, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
Abstract
Provided is a PIN type organic light emitting diode that includes At least one of the transport layers includes at least two elementary transport layers and each elementary transport layer of the same transport layer has, in relation to an adjacent elementary transport layer, a decreasing mobility of charge carriers a farther distance from the emission layer, and consequently providing a decreasing conductivity based on a distance of the elementary transport layer from the adjacent electrode, with the elementary transport layers of the same transport layer having the same dopant concentration.
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