Patent · US Expired

Organic element for electroluminescent devices

US7070868B2 · kind B2 · utility

2Cited by
6References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 30, 2004
Grant dateJul 4, 2006
Priority date
Expiry dateJan 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.