Fluorescent isoindoline dyes
US9079885B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Dec 12, 2011 |
| Grant date | Jul 14, 2015 |
| Priority date | — |
| Expiry date | Sep 7, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/30
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a new class of excited state intramolecular charge transfer (ESIPT) dye compounds based on mono or dihydroxy substituted 1,3-bisiminoisoindole motif and metal complexes containing such compounds as ligands. The present invention also provides OLEDs containing the compound and/or metal complex as the emissive material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.