Organic light emitting device
US8354788B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 14, 2009 |
| Grant date | Jan 15, 2013 |
| Priority date | — |
| Expiry date | Jun 17, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/657
Abstract
An organic light emitting device having long continuous driving lifetime is provided. The organic light emitting device includes an anode, a cathode, and an emission layer formed of an organic compound arranged between the anode and the cathode, in which the emission layer includes a light emitting material and a material having a smallest ionization potential, and an absorption spectrum in a radical cation state of the material having the smallest ionization potential in the emission layer does not have its absorption peak in an emission wavelength region of the light emitting material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.