Luminescent element material and luminescent element comprising the same
US7318966B2 · kind B2 · utility
15Cited by
10References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2001 |
| Grant date | Jan 15, 2008 |
| Priority date | — |
| Expiry date | Nov 22, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A light emitting device includes an emissive substance between an anode and cathode that emits light upon application of electrical energy. The emissive substance included in the device is at least one of the following types of compounds: (a) a compound having a plurality of 1,7-phenanthroline skeletal structures; (b) a benzoquinoline derivative; (c) a spiro compound; and (d) a tetraphenylmethane derivative.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.