Compounds for organic electronic material and organic electroluminescent device using the same
US9136484B2 · kind B2 · utility
1Cited by
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6Claims
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Key dates
| Filing date | Mar 23, 2012 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Mar 23, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to electroluminescent compounds of formula 1 where A and/or B represent fluorene, carbazole, dibenzo[b,d]thiophene or dibenzo[b,d]furan derivatives and L1, X1, Ar1, Ar2, R5, R6 and R7 are as defined herein, and organic electroluminescent devices comprising the same. The compounds according to the present invention have an advantage in manufacturing an organic electroluminescent device which has a high luminous efficiency and a long operational lifetime.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.