Spiro organic compounds
US10214489B2 · kind B2 · utility
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1References
7Claims
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Assignee
Inventors
Key dates
| Filing date | Oct 31, 2016 |
| Grant date | Feb 26, 2019 |
| Priority date | — |
| Expiry date | Apr 14, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K50/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a spiro compound of General Formula 1, and use thereof in the fields of electronic materials, fine chemistry, and medical science. Further, the present invention also provides an organic electroluminescence device fabricated by using the spiro compound of General Formula 1. When used in an organic electroluminescence device, the compound of General Formula 1 provided in the present invention is capable of reducing the drive voltage, and increasing the luminous efficiency, brightness, thermal stability, color purity, and service life of the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.