US 8,026,663 B2 · Triphenylene compounds, method of manufacturing the same and organic electroluminescent devices employing the same

Abstract

The present invention provides a novel compound represented by general formula (I) below, a method of manufacturing the same and an organic electroluminescent device employing the same: where R1 to R6 are independent of one another and are each a hydrogen atom or a substituent represented by general formula (II) below, and at least one of R1 to R6 is a substituent represented by general formula (II): —C≡C—SiRaRbRc (II) where Ra, Rb and Rc are independent of one another and are each an aliphatic hydrocarbon group having 1 to 10 carbon atoms or an aromatic hydrocarbon group.

Claims5

Dependent claims

An organic electroluminescent device having at least a pair of electrodes and a luminous layer positioned between the electrodes, and employing phosphorescence, the luminous layer containing at least one compound represented by general formula (I) and a phosphorescent dopant:

where R1 to R6 are independent of one another and are each a substituent represented by general formula (II) below:
—C≡C—SiRaRbRc (II)
where Ra, Rb and Rc are independent of one another and are each an aliphatic hydrocarbon group having 1 to 10 carbon atoms.

Dependencies are inferred from the claim text.

Facts

Application

11/576,593Filed 5 Oct 2005

Priority

JP 2004-2924155 Oct 2004

Published

US 2008/0265750 A130 Oct 2008

Granted

27 Sep 2011

Term ends

Not estimatedThe source records don’t support an estimate.

Classification14 codes

H10K 85/40
Organic materials used in the body or electrodes of devices covered by this subclass: organosilicon compounds, e.g. TIPS pentacene
C07F 7/0805
Compounds with Si-C or Si-Si linkages: comprising only Si, C or H atoms
C09K 11/06
Luminescent materials, e.g. electroluminescent or chemiluminescent: containing organic luminescent materials
H10K 85/622
Polycyclic condensed aromatic hydrocarbons, e.g. anthracene: containing four rings, e.g. pyrene

Triphenylene compounds, method of manufacturing the same and organic electroluminescent devices employing the same

Life of this patent

Triphenylene compounds, method of manufacturing the same and organic electroluminescent devices employing the same

Life of this patent

Abstract

Claims5