Organoselenium materials and their uses in organic light emitting devices

• US 8,945,727 B2
• Filed: 02/25/2013
• Issued: 02/03/2015
• Est. Priority Date: 09/25/2008
• Status: Active Grant

• Current Assignee: Universal Display Corporation
• Original Assignee: Universal Display Corporation
• Inventors: Kwong, Raymond, Ma, Bin, Xia, Chuanjun, Lin, Chun
• Primary Examiner(s): Bohaty, Andrew K
• Application Number:
  US13/775,584
• Publication Number:
  US 20130168660A1
• Time in Patent Office: 708 Days
• Field of Search: None
• US Class Current: 428/690
• CPC Class Codes: C07D 345/00 Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms
• CPC Class Codes: C07D 421/14 containing three or more hetero rings
• CPC Class Codes: C07F 5/027 Organoboranes and organoborohydrides
• CPC Class Codes: H10K 2101/10 Triplet emission
• CPC Class Codes: H10K 50/11 characterised by the electroluminescent [EL] layers
• CPC Class Codes: H10K 50/155 comprising dopants
• CPC Class Codes: H10K 50/165 comprising dopants
• CPC Class Codes: H10K 85/342 comprising iridium
• CPC Class Codes: H10K 85/346 comprising platinum
• CPC Class Codes: H10K 85/348 comprising osmium
• CPC Class Codes: H10K 85/636 comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
• CPC Class Codes: H10K 85/654 comprising only nitrogen as heteroatom H10K85/652 takes precedence
• CPC Class Codes: H10K 85/656 comprising two or more different heteroatoms per ring H10K85/652 takes precedence
• CPC Class Codes: H10K 85/657 Polycyclic condensed heteroaromatic hydrocarbons
• CPC Class Codes: H10K 85/6572 comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
• CPC Class Codes: Y10S 428/917 Electroluminescent

Abstract

The present invention provides organoselenium compounds comprising dibenzoselenophene, benzo[b]selenophene or benzo[c]selenophene and their uses in organic light emitting devices.

Claims

1. An organoselenium compound selected from the group consisting of

2. An organic light emitting device, comprising an organic layer positioned between an anode layer and a cathode layer, said organic layer comprising an organoselenium material, wherein said organoselenium material is a compound comprising a benzo[c]selenophene selected from the group consisting of