Organic multicolor light-emitting apparatus

Patent metadata

Field	Value
Publication number	US-2016276602-A1
Application number	US-201314442652-A
Country	US
Kind code	A1
Filing date	Nov 8, 2013
Priority date	Nov 15, 2012
Publication date	Sep 22, 2016
Grant date	—

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

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 and X 2 are independently 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 and Y 2 are independently 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 nitrogen (N), >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 and Y 2 are independently 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 are independently 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 0 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 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;
in the formulas (3) and (4), A 1 is a hydrogen at

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

• H01L51/0054

  Electricity · mapped topic

• H01L51/5056

  Electricity · mapped topic

• H01L51/0072

  Electricity · mapped topic