Light-emitting element, light-emitting device, and electronic device
US7646010B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2005 |
| Grant date | Jan 12, 2010 |
| Priority date | — |
| Expiry date | Dec 25, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/615
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
It is an object of the present invention to provide a light-emitting element capable of reducing malfunction due to oxidation and crystallization of a compound. According to one aspect of the present invention, a light-emitting element has a first electrode and a second electrode, a first layer and a second layer formed between the first electrode and the second electrode, wherein the first layer contains an anthracene derivative and a substance that shows electron acceptability to the anthracene derivative, wherein the second layer contains a light emitting substance. According to one aspect of a light-emitting device of the present invention, any one of the above light-emitting elements is used as a pixel or a light source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.