Substituted 12H-indolo[2,3-b]quinoxalino[2′,3′:4,5]pyrrolo[3,2,1-jk]carbazoles as organic electroluminescent materials
US9935274B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Jul 8, 2015 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | Jul 8, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an organic compound represented by the following formula 1. The organic compound according to the present invention can produce an organic electroluminescent device having low driving voltage, excellent current and power efficiencies, and remarkably improved driving lifespan.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.