Triphenylene-benzofuran/benzothiophene/benzoselenophene compounds with substituents joining to form fused rings
US8968887B2 · kind B2 · utility
11Cited by
31References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 11, 2011 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | May 21, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/6576
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Compounds comprising a triphenylene moiety and a benzo- or dibenzo-moiety are provided. In particular, the benzo- or dibenzo-moiety has a fused substituent. These compounds may be used in organic light emitting devices, particularly in combination with yellow, orange and red emitters, to provide devices with improved properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.