Compound and organic light-emitting device including the same

Patent metadata

Field	Value
Publication number	US-9455407-B2
Application number	US-201414303771-A
Country	US
Kind code	B2
Filing date	Jun 13, 2014
Priority date	Mar 5, 2014
Publication date	Sep 27, 2016
Grant date	Sep 27, 2016

Abstract

A compound, an organic light-emitting device, and a flat panel display device, the compound being represented by Formula 1, below:

First claim

What is claimed is:

1. A compound represented by Formula 1, below:

wherein R 1 to R 4 are each independently a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, or a substituted or unsubstituted C 6 -C 60 condensed polycyclic group,
A and B are each independently a substituted or unsubstituted C 6 -C 60 arylene group or a substituted or unsubstituted C 1 -C 60 heteroarylene group, and
m and n are each independently an integer of 0 or 1.

2. The compound as claimed in claim 1 , wherein R 1 to R 4 are each independently selected from the group of moieties represented by Formulae 2a to 2d below:

wherein Q 1 is —C(R 31 )(R 32 )—, —S—, or —O—;
Z 1 , R 31 , and R 32 are each independently, a hydrogen atom, a deuterium atom, a substituted or unsubstituted C 1 -C 20 alkyl group, a C 1 -C 20 alkylsilyl group, a substituted or unsubstituted C 6 -C 20 aryl group, a substituted or unsubstituted C 1 -C 20 heteroaryl group, a substituted or unsubstituted C 6 -C 20 condensed polycyclic group, a halogen-containing group, a cyano group, a nitro group, a hydroxyl group, or a carboxyl group;
P is an integer of 1 to 9; and
* is a binding site.

3. The compound as claimed in claim 1 , wherein A and B are each independently a moiety represented by Formula 3a below:

wherein Z 1 is a hydrogen atom, a deuterium atom, a substituted or unsubstituted C 1 -C 20 alkyl group, a substituted or unsubstituted C 6 -C 20 aryl group, a substituted or unsubstituted C 1 -C 20 heteroaryl group, a substituted or unsubstituted C 6 -C 20 condensed polycyclic group, a halogen-containing group, a cyano group, a nitro group, a hydroxyl group, or a carboxyl group;
P is an integer of 1 to 4; and
* is a binding site.

4. The compound as claimed in claim 1 , wherein the compound represented by Formula 1 is represented by Formula 2 below:

wherein R 1 to R 4 are each independently a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, or a substituted or unsubstituted C 6 -C 60 condensed polycyclic group.

5. The compound as claimed in claim 1 , wherein the compound represented by Formula 1 is represented by Formula 3 below:

wherein:
R 1 to R 4 are each independently a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, or a substituted or unsubstituted C 6 -C 60 condensed polycyclic group, and
A is a substituted or unsubstituted C 6 -C 60 arylene group or a substituted or unsubstituted C 1 -C 60 heteroarylene group.

6. The compound as claimed in claim 1 , wherein the compound represented by Formula 1 is represented by Formula 4 below:

wherein:
R 1 to R 4 are each independently a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, or a substituted or unsubstituted C 6 -C 60 condensed polycyclic group, and
B is a substituted or unsubstituted C 6 -C 60 arylene group or a substituted or unsubstituted C 1 -C 60 heteroarylene group.

7. The compound as claimed in claim 1 , wherein the compound represented by Formula 1 is represented by Formula 5 below:

wherein:
R 1 to R 4 are each independently a substituted or unsubstituted C 6 -C 60 aryl group, a substituted or unsubstituted C 1 -C 60 heteroaryl group, or a substituted or unsubstituted C 6 -C 60 condensed polycyclic group, and
A and B are each independently a substituted or unsubstituted C 6 -C 60 arylene group or a substituted or unsubstituted C 1 -C 60 heteroarylene group.

8. The compound as claimed in claim 1 , wherein the compound represented by Formula 1 is one of the following Compounds 1-102:

9. The compound as claimed in claim 1 , wherein the compound is represented by Formula 1-a below,

wherein, a first aryl group includes the moiety -(A) m NR 1 R 2 and a second aryl group includes the moiety -(B) n NR 3 R 4 ,
the first aryl group is bonded to ring a or ring b,
when the first aryl group is bonded to ring a, the second aryl group is bonded to ring c, and
when the first aryl group is bonded to ring b, the second aryl group is bonded to ring d.

10. An organic light-emitting device, comprising:
a first electrode;
a second electrode; and
an organic layer between the first electrode and second electrode,
wherein the organic layer includes the compound as claimed in claim 1 .

11. The organic light-emitting device as claimed in claim 10 , wherein the organic layer includes an emission layer.

12. The organic light-emitting device as claimed in claim 10 , wherein the organic layer includes an emission layer, and the compound is a dopant.

13. The organic light-emitting device as claimed in claim 10 , wherein the organic layer includes an emission layer, and the compound is a blue fluorescent dopant.

14. The organic light-emitting device as claimed in claim 10 , wherein:
the organic layer includes an emission layer, and further includes at least one of an electron injection layer, an electron transport layer, a functional layer having both electron injecting and electron transporting capabilities, a hole injection layer, a hole transport layer, or a functional layer having both hole injecting and hole transporting capabilities, and
the emission layer includes an anthracene-based compound, arylamine-based compound, or a styryl-based compound.

15. The organic light-emitting device as claimed in claim 10 , wherein:
the organic layer includes an emission layer, and fur

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Jong-Woo
• Kim Young-Kook
• Lim Jin-O
• Hwang Seok-Hwan
• Kim Hyoung-Kun

Classifications

• H10K85/00

  Organic materials used in the body or electrodes of devices covered by this subclass · CPC title

• H10K85/636 Primary

  comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom · CPC title

• H01L51/5072

  Electricity · mapped topic

• H01L51/0032 Primary

  Electricity · mapped topic

• H01L51/504

  Electricity · mapped topic