Phenyl pyridine-iridium metal complex compounds for organic electroluminescent device, process for preparing the compounds, and organic electroluminescent device using the compounds
US6960663B2 · kind B2 · utility
1Cited by
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7Claims
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Key dates
| Filing date | Dec 2, 2003 |
| Grant date | Nov 1, 2005 |
| Priority date | — |
| Expiry date | Dec 2, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2211/185
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to luminescence materials for an organic electroluminescent device (OELD), and particularly to phenyl pyridine-iridium metal complex compounds of formula (1), and preparation method thereof. In addition, the present invention relates to an organic electroluminescent device using the luminescence materials according to the present invention, which can greatly enhance the efficiency of luminescence and increase the operating life time of the device:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.