Polycyclic compound and organic electronic device comprising the same

Patent metadata

Field	Value
Publication number	US-9818951-B2
Application number	US-201615215005-A
Country	US
Kind code	B2
Filing date	Jul 20, 2016
Priority date	Jul 19, 2012
Publication date	Nov 14, 2017
Grant date	Nov 14, 2017

Abstract

An exemplary embodiment of the present application provides a new compound and an organic electronic device using the same. The organic electronic device according to an exemplary embodiment of the present application shows excellent characteristics in terms of efficiency, driving voltage, and service life.

First claim

What is claimed is:

1. An organic electronic device comprising:
a first electrode;
a second electrode; and
an organic material layer having one or more layers disposed between the first electrode and the second electrode,
wherein the organic material layer comprises a light emitting layer and at least one layer selected from an electron transporting layer, an electron injection layer, and a layer which transports and injects electrons simultaneously, and
wherein at least one of the electron transporting layer, the electron injection layer, and the layer which transports and injects electrons simultaneously comprises a compound represented by the following Formula 1:

in Formula 1,
R 1 and R 2 are the same as or different from each other, and are each independently a substituted or unsubstituted alkenyl group having 2 to 40 carbon atoms; a substituted or unsubstituted aryl group having 6 to 60 carbon atoms; a substituted or unsubstituted fluorenyl group; or a substituted or unsubstituted heterocyclic group including one or more of N, O, and S atoms having 2 to 60 carbon atoms,
R 3 to R 10 are the same as or different from each other, and are each independently hydrogen; deuterium; a halogen group; a nitrile group; a nitro group; a hydroxyl group; a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms; a substituted or unsubstituted cycloalkyl group having 3 to 60 carbon atoms; a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms; a substituted or unsubstituted alkylthioxy group having 1 to 30 carbon atoms; a substituted or unsubstituted arylthioxy group having 6 to 60 carbon atoms; a substituted or unsubstituted alkenyl group having 2 to 40 carbon atoms; a substituted or unsubstituted aryl group having 6 to 60 carbon atoms; a substituted or unsubstituted fluorenyl group; or a substituted or unsubstituted heterocyclic group including one or more of N, O, and S atoms having 2 to 60 carbon atoms,
at least one of R 1 to R 3 is a group of the following Formula 2,

X is CR a R b ,
R a , R b , R 11 , and R 12 are the same as or different from each other, and are each independently hydrogen; deuterium; a halogen group; a nitrile group; a nitro group; a hydroxyl group; a substituted or unsubstituted alkyl group having 1 to 30 carbon atoms; a substituted or unsubstituted cycloalkyl group having 3 to 60 carbon atoms; a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms; a substituted or unsubstituted alkylthioxy group having 1 to 30 carbon atoms; a substituted or unsubstituted arylthioxy group having 6 to 60 carbon atoms; a substituted or unsubstituted alkenyl group having 2 to 40 carbon atoms; a substituted or unsubstituted aryl group having 6 to 60 carbon atoms; a substituted or unsubstituted fluorenyl group; or a substituted or unsubstituted heterocyclic group including one or more of N, O, and S atoms having 2 to 60 carbon atoms, and two or more adjacent groups among R a , R b , R 11 , and R 12 are optionally bonded to each other to form a monocyclic or polycyclic ring,
L is a direct bond; a substituted or unsubstituted arylene group having 6 to 60 carbon atoms; a substituted or unsubstituted alkenylene group having 2 to 40 carbon atoms; a substituted or unsubstituted fluorenylene group; or a substituted or unsubstituted heteroarylene group including one or more of N, O, and S atoms having 2 to 60 carbon atoms, and
n and m are each independently an integer from 0 to 3.

2. The organic electronic device of claim 1 , wherein the compound represented by Formula 1 is represented by any one of the following Formulae 3 to 8:

in Formulae 3 to 8,
X 1 to X 3 are each independently CR a R b ,
R 1 to R 12 , R a , R b , n, and m are the same as those defined in claim 1 ,
R 13 to R 16 are the same as or different from each other, and are each independently hydrogen; deuterium; a halogen group; a nitrile group; a nitro group; a hydroxyl group; a substituted or unsubstituted alkyl group having from 1 to 30 carbon atoms; a substituted or unsubstituted cycloalkyl group having from 3 to 60 carbon atoms; a substituted or unsubstituted alkoxy group having from 1 to 30 carbon atoms; a substituted or unsubstituted alkylthioxy group having from 1 to 30 carbon atoms; a substituted or unsubstituted arylthioxy group having from 6 to 60 carbon atoms; a substituted or unsubstituted alkenyl group having from 2 to 40 carbon atoms; a substituted or unsubstituted aryl group having from 6 to 60 carbon atoms; a substituted or unsubstituted fluorenyl group; or a substituted or unsubstituted heterocyclic group including one or more of N, O, and S atoms having from 2 to 60 carbon atoms, and two or more adjacent groups among R 1 to R 16 , R a and R b are optionally bonded to each other to form a monocyclic or polycyclic ring,
L 1 to L 3 are each independently a direct bond; a substituted or unsubstituted arylene group having from 6 to 60 carbon atoms; a substituted or unsubstituted alkenylene group having from 2 to 40 carbon atoms; a substituted or unsubstituted fluorenylene group; or a substituted or unsubstituted heteroarylene group including one or more of N, O, and S atoms having from 2 to 60 carbon atoms, and
o, p, q, and r are each independently an integer from 0 to 3.

3. The organic electronic device of claim 1 , wherein L is a direct bond; a substituted or unsubstituted phenylene group; a substituted or unsubstituted naphthylene group; a substituted or unsubstituted fluorenylene group; a substituted or unsubstituted pyridylene group; or a substituted or unsubstituted biphenylene group.

4. The organic electronic device claim 1 , wherein at least one of R 1 and R 2 are each independently selected from the group consisting of the following substituted or unsubstituted structural formulae:

5. The organic electronic device of claim 1 , wherein R a and R b are the same as or different from each other, and are each independently a substituted or unsubstituted methyl group; a substituted or unsubstituted ethyl group; a substituted or unsubstituted phenyl group; a substituted or unsubstituted biphenyl group; a substituted or unsubstituted terphenyl group; a substituted or unsubstituted pyridyl group; a substituted or unsubstituted quinoline group; a substituted or unsubstituted phenanthrenyl group; or a substituted or unsubstituted naphthyl group, and
R a and R b are optionally bonded to each other to form a monocyclic or polycyclic ring.

6. The organic electronic device of claim 1 , wherein the compound represented by Formula 1 is any one of the following Formulas in Table 1:

TABLE 1

[Formula 1-1]

Assignees

• Lg Chemical Ltd

Inventors

• Lee Dong Hoon
• Kang Minyoung
• Jang Jungi
• Jang Boonjae
• Chun Minseung
• Koo Kidong

Classifications

• C09K11/06

  containing organic luminescent materials · CPC title

• C07C255/52 Primary

  to carbon atoms of six-membered aromatic rings being part of condensed ring systems · CPC title

• C09K2211/1092

  containing sulfur as the only heteroatom · CPC title

• C07C2603/26

  Phenanthrenes; Hydrogenated phenanthrenes · CPC title

• H01L51/0056

  Electricity · mapped topic