Triarylamine compounds for use in organic light-emitting diodes

• US 8,648,333 B2
• Filed: 10/19/2010
• Issued: 02/11/2014
• Est. Priority Date: 10/19/2009
• Status: Active Grant

• Current Assignee: LG Chem Limited (LG Corporation)
• Original Assignee: E. I. du Pont de Nemours and Company (Corteva, Inc.)
• Inventors: Wu, Weishi, Dobbs, Kerwin D., Wang, Ying
• Primary Examiner(s): Rizkallah, Kimberly
• Assistant Examiner(s): HENRY, CALEB E
• Application Number:
  US12/907,058
• Publication Number:
  US 20110253985A1
• Time in Patent Office: 1,211 Days
• Field of Search: 257/40
• US Class Current: 257/40
• CPC Class Codes: C07C 211/54 having amino groups bound to two or three six-membered aromatic rings
• CPC Class Codes: C09K 11/06 containing organic luminescent materials
• CPC Class Codes: C09K 2211/1014 bridged by heteroatoms, e.g. N, P, Si or B
• CPC Class Codes: H05B 33/14 characterised by the chemical or physical composition or the arrangement of the electroluminescent material , or by the simultaneous addition of the electroluminescent material in or onto the light source
• CPC Class Codes: H10K 50/11 characterised by the electroluminescent [EL] layers
• CPC Class Codes: H10K 50/14 Carrier transporting layers
• CPC Class Codes: H10K 50/17 Carrier injection layers

Abstract

This invention relates to triarylamine compounds that are useful in electronic applications. It also relates to electronic devices in which the active layer includes such a compound.

Claims

1. A compound selected from the group consisting of:

2. An organic electronic device comprising a first electrical contact layer, a second electrical contact layer, and at least one active layer therebetween, wherein the active layer comprises a compound selected from the group consisting of:

3. The device of claim 2, wherein the active layer is an electroactive layer which further comprises an organometallic dopant capable of electroluminescent having an emission maximum between 380 and 750 nm.

4. The device of claim 3, wherein the active layer is a hole transport layer.