Organic multicolor light-emitting apparatus

Patent metadata

Field	Value
Publication number	US-9647220-B2
Application number	US-201314442652-A
Country	US
Kind code	B2
Filing date	Nov 8, 2013
Priority date	Nov 15, 2012
Publication date	May 9, 2017
Grant date	May 9, 2017

Abstract

An organic electroluminescence multicolor light-emitting apparatus including:
a substrate; and a first light-emitting device and a second light-emitting device being arranged in parallel relative to the surface of the substrate; wherein the first light-emitting device includes, between an anode and a cathode, a first organic layer, a second organic layer and a third organic layer in this sequence from the anode side in a direction perpendicular to the surface of the substrate, the second light-emitting device includes, between an anode and a cathode, a second organic layer and a third organic layer in this sequence from the anode side in a direction perpendicular to the surface of the substrate, the first organic layer includes a first emitting dopant, the third organic layer includes a second emitting dopant, and the second organic layers independently comprise any one of compounds represented by the following formulas (1) to (6).

First claim

The invention claimed is:

1. An organic electroluminescence multicolor light-emitting apparatus comprising:
a substrate; and
a first light-emitting device and a second light-emitting device being arranged in parallel on the surface of the substrate;
wherein the first light-emitting device comprises, between an anode and a cathode, a first organic layer, a second organic layer and a third organic layer in this sequence from the anode side in a direction perpendicular to the surface of the substrate,
the second light-emitting device comprises, between an anode and a cathode, a second organic layer and a third organic layer in this sequence from the anode side in a direction perpendicular to the surface of the substrate,
the first organic layer comprises a first emitting dopant,
the third organic layers comprise a second emitting dopant, and
the second organic layers independently comprise any one of compounds represented by the following formulas (1) to (6):

wherein in the formulas (1) to (6), Ar 1 , Ar 2 and Ar 3 are independently a substituted or unsubstituted aromatic hydrocarbon group including 6 ring carbon atoms or a substituted or unsubstituted aromatic heterocyclic group including 6 ring atoms;
in the formulas (1) to (4), X 1 is oxygen (O), sulfur (S), >CR 2 R 3 , >BR 4 , >SiR 5 R 6 , >C═NR 7 , >C═CR 8 R 9 , >S═O, >SO 2 , >PR 10 or >P(═O)R 11 ; X 2 is oxygen (O), sulfur (S), >N—R 1 , >CR 2 R 3 , >BR 4 , >SiR 5 R 6 , >C═NR 7 , >C═CR 8 R 9 , >S═O, >SO 2 , >PR 10 or >P(═O)R 11 ; and Y 1 is a single bond, oxygen (O), sulfur (S), >CR 2 R 3 , >BR 4 , >SiR 5 R 6 , >C═NR 7 , >C═CR 8 R 9 , >S═O, >SO 2 , >PR 10 or >P(═O)R 11 ; Y 2 is a single bond, oxygen (O), sulfur (S), >N—R 1 , >CR 2 R 3 , >BR 4 , >SiR 5 R 6 , >C═NR 7 , >C═CR 8 R 9 , >S═O, >SO 2 , >PR 10 or >P(═O)R 11 ;
in the formulas (5) and (6), X 3 is >CR 2 , B (boron), >SiR 5 , phosphorus (P) or >P═O; X 2 is oxygen (O), sulfur (S), >N—R 1 , >CR 2 R 3 , >BR 4 , >SiR 5 R 6 , >C═NR 7 , >C═CR 8 R 9 , >S═O, >SO 2 , >PR 10 or >P(═O)R 11 ; and Y 1 is a single bond, oxygen (O), sulfur (S), >CR 2 R 3 , >BR 4 , >SiR 5 R 6 , >C═NR 7 , >C═CR 8 R 9 , >S═O, >SO 2 , >PR 10 or >P(═O)R 11 ; Y 2 is a single bond, oxygen (O), sulfur (S), >N—R 1 , >CR 2 R 3 , >BR 4 , >SiR 5 R 6 , >C═NR 7 , >C═CR 8 R 9 , >S═O, >SO 2 , >PR 10 or >P(═O)R 11 ;
R 1 to R 11 is a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 20 carbon atoms, a substituted or unsubstituted alkoxy group including 1 to 20 carbon atoms, a substituted or unsubstituted aralkyl group including 7 to 24 carbon atoms, a silyl group or a substituted silyl group including 3 to 20 carbon atoms, a substituted or unsubstituted aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted aromatic heterocyclic group including 5 to 30 ring atoms;
m is an integer of 1 to 3; and p and q are independently an integer of 2 to 4;
in the formulas (1), (2), (5) and (6), L 1 and L 2 are independently a single bond, a substituted or unsubstituted alkylene group including 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkylene group including 3 to 20 carbon atoms, a divalent silyl group or a divalent substituted silyl group including 3 to 20 carbon atoms, a substituted or unsubstituted divalent aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted divalent aromatic heterocyclic group including 5 to 30 ring atoms;
in the formulas (3) and (4), L 1 is a single bond, a substituted or unsubstituted alkylene group including 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkylene group including 3 to 20 carbon atoms, a divalent silyl group or a divalent substituted silyl group including 3 to 20 carbon atoms, a substituted or unsubstituted divalent aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted divalent aromatic heterocyclic group including 5 to 30 ring atoms;
in the formulas (3) and (4), L 3 is, when p is 2, a single bond, a substituted or unsubstituted alkylene group including 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkylene group including 3 to 20 carbon atoms, a divalent silyl group or a divalent substituted silyl group including 3 to 20 carbon atoms, a substituted or unsubstituted divalent aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted divalent aromatic heterocyclic group including 5 to 30 ring atoms;
in the formulas (5) and (6), L 4 is, when q is 2, a single bond, a substituted or unsubstituted alkylene group including 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkylene group including 3 to 20 carbon atoms, a divalent silyl group or a divalent substituted silyl group including 3 to 20 carbon atoms, a substituted or unsubstituted divalent aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted divalent aromatic heterocyclic group including 5 to 30 ring atoms;
in the formulas (3) and (4), L 3 is, when p is 3, a substituted or unsubstituted trivalent saturated hydrocarbon group including 1 to 20 carbon atoms, a substituted or unsubstituted trivalent cyclic saturated hydrocarbon group including 3 to 20 carbon atoms, a trivalent silyl group or a trivalent substituted silyl group including 3 to 20 carbon atoms, a substituted or unsubstituted trivalent aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted trivalent aromatic heterocyclic group including 5 to 30 ring atoms;
in the formulas (5) and (6), L 4 is, when q is 3, a substituted or unsubstituted trivalent saturated hydrocarbon group including 1 to 20 carbon atoms, a substituted or unsubstituted trivalent cyclic saturated hydrocarbon group including 3 to 20 carbon atoms, a trivalent silyl group or a trivalent substituted silyl group including 3 to 20 carbon atoms, a substituted or unsubstituted trivalent aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted trivalent aromatic heterocyclic group including 5 to 30 ring atoms;
in the formulas (3) and (4), L 3 is, when p is 4, a substituted or unsubstituted tetravalent saturated hydrocarbon group including 1 to 20 carbon atoms, a substituted or unsubstituted tetravalent cyclic saturated hydrocarbon group including 3 to 20 carbon atoms, a tetravalent silyl group or a substituted tetravalent silyl group including 3 to 20 carbon atoms, a substituted or unsubstituted tetravalent aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted tetravalent aromatic heterocyclic group including 5 to 30 ring atoms;
in the formulas (5) and (6), L 4 is, when q is 4, a substituted or unsubstituted tetravalent saturated hydrocarbon group including 1 to 20 carbon atoms, a substituted or unsubstituted tetravalent cyclic saturated hydrocarbon group including 3 to 20 carbon atoms, a tetravalent silyl group or a substituted tetravalent silyl group including 3 to 20 carbon atoms, a substituted or unsubstituted tetravalent aromatic hydrocarbon group including 6 to 30 ring carbon atoms or a substituted or unsubstituted tetravalent aromatic heterocyclic group including 5 to 30 ring atoms;
in the formulas (1), (2), (5) and (6), A 1 and A 2 are independently a hydrogen atom, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, a substituted or unsubstituted cycloalkyl group including 3 to 20 carbon atoms, a substituted or unsubstituted alkoxy group including 1 to 20 carbon atoms, a substituted or unsubstituted aralkyl group incl

Assignees

• Sony Corp
• Idemitsu Kosan Co

Inventors

• Yoshinaga Tadahiko
• Eida Mitsuru
• Kawakami Hironori

Classifications

• H10K85/6574

  comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes · CPC title

• C07D487/04 Primary

  Ortho-condensed systems · CPC title

• H01L51/5072

  Electricity · mapped topic

• C07D493/04

  Ortho-condensed systems · CPC title

• H01L51/5016

  Electricity · mapped topic