Organic light-emitting device

Patent metadata

Field	Value
Publication number	US-2016293845-A1
Application number	US-201514935226-A
Country	US
Kind code	A1
Filing date	Nov 6, 2015
Priority date	Mar 30, 2015
Publication date	Oct 6, 2016
Grant date	—

Abstract

An organic light-emitting device includes a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer and a first compound and a second compound, where the first compound includes at least one selected from compounds represented by Formula 1, and the second compound includes at least one selected from compounds represented by Formula 2:

First claim

What is claimed is:

1 . An organic light-emitting device comprising:
a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer comprising an emission layer, wherein the organic layer comprises a first compound and a second compound, and the first compound comprises at least one selected from compounds represented by Formula 1, and the second compound comprises at least one selected from compounds represented by Formula 2:

wherein, in Formulae 1, 1-1, 1-2, and 2,
X 1 is selected from N-[(L 1 ) a1 -(Ar 1 ) b1 ], O, and S,
X 2 is selected from N-[(L 2 ) a2 -(Ar 2 ) b2 ], O, and S,
X 11 is selected from N-[(L 11 ) a11 -(Ar 11 ) b11 ], O, and S,
X 21 is selected from N-[(L 21 ) a21 -(Ar 21 ) b21 ], O, and S,
X 22 is selected from N-[(L 22 ) a22 -(Ar 22 ) b22 ], O, S, C(R 23 )(R 24 ), and Si(R 25 )(R 26 ),
X 31 is N or C(R 31 ), X 32 is N or C(R 32 ), X 33 is N or C(R 33 ), X 34 is N or C(R 34 ), X 35 is N or C(R 35 ), X 36 is N or C(R 36 ), X 37 is N or C(R 37 ), and X 38 is N or C(R 38 );
L 1 to L 5 , L 11 to L 14 , and L 21 to L 25 are each independently selected from a substituted or unsubstituted C 3 -C 10 cycloalkylene group, a substituted or unsubstituted C 1 -C 10 heterocycloalkylene group, a substituted or unsubstituted C 3 -C 10 cycloalkenylene group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenylene group, a substituted or unsubstituted C 6 -C 60 arylene group, a substituted or unsubstituted C 1 -C 60 heteroarylene group, a substituted or unsubstituted divalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted divalent non-aromatic condensed heteropolycyclic group;
a1 to a5, a11 to a14, and a21 to a25 are each independently an integer selected from 0 to 3;
Ar 1 to Ar 4 , Ar 11 to Ar 13 , and Ar 21 to Ar 23 are each independently selected from a group represented by Formula 1-1, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, and a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 1 )(Q 2 )(Q 3 ) and —B(Q 4 )(Q 5 );
b1 to b4, b11 to b13, and b21 to b23 are each independently an integer selected from 1 to 4;
R 1 to R 6 , R 11 to R 13 , R 21 to R 26 , and R 31 to R 38 are each independently selected from a group represented by Formula 1-1, a group represented by Formula 1-2, hydrogen, deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid or a salt thereof, a sulfonic acid or a salt thereof, a phosphoric acid or a salt thereof, a substituted or unsubstituted C 1 -C 60 alkyl group, a substituted or unsubstituted C 2 -C 60 alkenyl group, a substituted or unsubstituted C 2 -C 60 alkynyl group, a substituted or unsubstituted C 1 -C 60 alkoxy group, a substituted or unsubstituted C 3 -C 10 cycloalkyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkyl group, a substituted or unsubstituted C 3 -C 10 cycloalkenyl group, a substituted or unsubstituted C 1 -C 10 heterocycloalkenyl group, a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 6 -C 60 aryloxy group, a substituted or unsubstituted C 6 -C 60 arylthio group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, a substituted or unsubstituted monovalent non-aromatic condensed polycyclic group, a substituted or unsubstituted monovalent non-aromatic condensed heteropolycyclic group, and —Si(Q 1 )(Q 2 )(Q 3 ),
c1, c3, c4, c11, and c13 are each independently an integer selected from 0 to 4, c2, c5, and c12 are each independently an integer selected from 0 to 2, and c6, c21, and c22 are each independently an integer selected from 0 to 3,
n1 is an integer selected from 0 to 3;
* is a binding site to a neighboring atom;
at least one substituent of the substituted C 3 -C 10 cycloalkylene group, substituted C 1 -C 10 heterocycloalkylene group, substituted C 3 -C 10 cycloalkenylene group, substituted C 1 -C 10 heterocycloalkenylene group, substituted C 6 -C 60 arylene group, substituted C 1 -C 60 heteroarylene group, substituted a divalent non-aromatic condensed polycyclic group, substituted a divalent non-aromatic condensed heteropolycyclic group, substituted C 1 -C 60 alkyl group, substituted C 2 -C 60 alkenyl group, substituted C 2 -C 60 alkynyl group, substituted C 1 -C 60 alkoxy group, substituted C 3 -C 10 cycloalkyl group, substituted C 1 -C 10 heterocycloalkyl group, substituted C 3 -C 10 cycloalkenyl group, substituted C 1 -C 10 heterocycloalkenyl group, substituted C 6 -C 60 aryl group, substituted C 6 -C 60 aryloxy group, substituted C 6 -C 60 arylthio group, substituted C 1 -C 60 heteroaryl group, substituted monovalent non-aromatic condensed polycyclic group, and substituted monovalent non-aromatic condensed heteropolycyclic group is selected from:
deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, and a C 1 -C 60 alkoxy group;
a C 1 -C 60 alkyl group, a C 2 -C 60 alkenyl group, a C 2 -C 60 alkynyl group, and a C 1 -C 60 alkoxy group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic acid group or a salt thereof, a phosphoric acid group or a salt thereof, a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, a monovalent non-aromatic condensed heteropolycyclic group, —Si(Q 11 )(Q 12 )(Q 13 ), —B(Q 14 )(Q 15 ), —N(Q 16 )(Q 17 ), and —P(═O)(Q 18 )(Q 19 );
a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic group;
a C 3 -C 10 cycloalkyl group, a C 1 -C 10 heterocycloalkyl group, a C 3 -C 10 cycloalkenyl group, a C 1 -C 10 heterocycloalkenyl group, a C 6 -C 60 aryl group, a C 6 -C 60 aryloxy group, a C 6 -C 60 arylthio group, a C 1 -C 60 heteroaryl group, a monovalent non-aromatic condensed polycyclic group, and a monovalent non-aromatic condensed heteropolycyclic group, each substituted with at least one selected from deuterium, —F, —Cl, —Br, —I, a hydroxyl group, a cyano group, a nitro group, an amino group, an amidino group, a hydrazine group, a hydrazone group, a carboxylic acid group or a salt thereof, a sulfonic

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Minkyung
• Lee Jaeyong
• Kim Taekyung

Classifications

• C09K2211/185

  of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd · CPC title

• C09K11/06 Primary

  containing organic luminescent materials · CPC title

• C09K2211/1033

  with oxygen · CPC title

• C09K2211/1007

  Non-condensed systems · CPC title

• C09K11/025

  non-luminescent particle coatings or suspension media · CPC title