Spiro organic compounds, material comprising the same for organic electroluminescence devices, and organic electroluminescence device comprising the material
US10396289B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2016 |
| Grant date | Aug 27, 2019 |
| Priority date | — |
| Expiry date | Mar 15, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/6574
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a novel organic compound of General Formula 1, a material comprising the same for organic electroluminescence devices, and an organic electroluminescence device comprising the material. The organic compound of the present invention is useful in organic electroluminescence devices as a hole injection layer substance, a hole transport layer substance, an electron blocking layer substance, and an emission layer substance such as green and red phosphorescent host substance, and when used in the organic electroluminescence devices, can reduce the drive voltage, and increase the luminous efficiency, luminance, thermal stability, color purity and service life of the devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.