Organic element for electroluminescent devices
US7070868B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2004 |
| Grant date | Jul 4, 2006 |
| Priority date | — |
| Expiry date | Jan 30, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
Abstract
Disclosed is an electroluminescent device comprising a light emitting layer comprising a boron complex wherein the boron is bonded to a nitrogen atom of a 6-membered heteroaromatic ring group and to a nitrogen atom of a 5-membered heteroaromatic ring group, provided that the 5- and 6-membered heteroaromatic ring groups are further connected by an imine group, and provided that the 5-membered heteroaromatic ring group contains at least one additional heteroatom that is divalent or trivalent, and a process or device employing the device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.