Organic compound, and organic light emitting diode and organic light emitting display device including the same

Patent metadata

Field	Value
Publication number	US-10651396-B2
Application number	US-201715794632-A
Country	US
Kind code	B2
Filing date	Oct 26, 2017
Priority date	Oct 31, 2016
Publication date	May 12, 2020
Grant date	May 12, 2020

Abstract

The present invention provides an organic compound for an organic light emitting diode. An example of the organic compound is represented by:

First claim

What is claimed is:

1. An organic compound, represented by following Formula 3b:

wherein each of R 5 to R 6 is independently selected from the group consisting of hydrogen, deuterium, tritium, C 5 to C 30 aryl group, substituted C 5 to C 30 heteroaryl group, non-substituted C 5 to C 30 heteroaryl group, substituted C 6 to C 30 arylalkyl group, non-substituted C 6 to C 30 arylalkyl group, substituted C 6 to C 30 hetero-arylalkyl group, non-substituted C 6 to C 30 hetero-arylalkyl group, non-substituted C 6 to C 30 aryloxyl group, substituted C 6 to C 30 hetero-aryloxyl group, and non-substituted C 6 to C 30 hetero-aryloxyl group, wherein R 7 is hydrogen, deuterium, tritium, C 5 to C 30 aryl group, substituted C 6 to C 30 arylalkyl group, non-substituted C 6 to C 30 arylalkyl group or non-substituted C 6 to C 30 aryloxyl group,
wherein each of Y 1 to Y 3 is independently N or CR 8 , and at least one of Y 1 to Y 3 is N,
wherein R 8 is selected from the group consisting of hydrogen, deuterium, tritium, C 5 to C 30 aryl group, substituted C 5 to C 30 heteroaryl group, non-substituted C 5 to C 30 heteroaryl group, substituted C 6 to C 30 arylalkyl group, non-substituted C 6 to C 30 arylalkyl group, substituted C 6 to C 30 hetero-arylalkyl group, non-substituted C 6 to C 30 hetero-arylalkyl group, non-substituted C 6 to C 30 aryloxyl group, substituted C 6 to C 30 hetero-aryloxyl group, and non-substituted C 6 to C 30 hetero-aryloxyl group,
wherein X 2 with one of X 1 and X 3 forms a C 4 to C 30 homo fused-ring or a C 4 to C 30 hetero fused-ring, and the other one of X 1 and X 3 is selected from the group consisting of hydrogen, deuterium, tritium, substituted C 1 to C 20 alkyl group, non-substituted C 1 to C 20 alkyl group, substituted C 1 to C 20 alkoxy group, non-substituted C 1 to C 20 alkoxy group, substituted C 5 to C 30 aryl group, non-substituted C 5 to C 30 aryl group, substituted C 5 to C 30 heteroaryl group, and non-substituted C 5 to C 30 heteroaryl group, and
wherein L 2 is selected from the group consisting of substituted C 1 to C 30 alkylene group, non-substituted C 1 to C 30 alkylene group, substituted C 3 to C 30 cyclo-alkylene group, non-substituted C 3 to C 30 cyclo-alkylene group, substituted C 5 to C 30 arylene group, non-substituted C 5 to C 30 arylene group, substituted C 4 to C 30 heteroarylene group, substituted C 6 to C 30 arylalkylene group, non-substituted C 6 to C 30 arylalkylene group, substituted C 6 to C 30 hetero-arylalkylene group, non-substituted C 6 to C 30 hetero-arylalkylene group, substituted C 6 to C 30 aryloxylene group, non-substituted C 6 to C 30 aryloxylene group, substituted C 6 to C 30 hetero-aryloxylene group, and non-substituted C 6 to C 30 hetero-aryloxylene group, and n is 0 or 1, with the proviso that when X 1 and X 2 join together to form a C 4 to C 30 hetero fused-ring, they do not form a benzodioxan group.

2. The organic compound according to claim 1 , wherein the organic compound is selected from:

3. An organic light emitting diode, comprising:
a first electrode;
a second electrode facing the first electrode; and
an organic layer between the first electrode and the second electrode, wherein the organic layer includes the organic compound of claim 1 .

4. The organic light emitting diode according to claim 3 , wherein the organic layer includes an emitting material layer, a hole auxiliary layer between the first electrode and the emitting material layer and an electron auxiliary layer between the second electrode and the emitting material layer.

5. The organic light emitting diode according to claim 4 , wherein the emitting material layer includes the organic compound as a host.

6. The organic light emitting diode according to claim 5 , wherein the emitting material layer further includes a dopant represented by following Formulas 4a or 4b:

wherein in Formula 4a, each of R 21 to R 29 is independently selected from the group consisting of hydrogen, deuterium, tritium, halogen, substituted C 1 to C 30 alkyl group, non-substituted C 1 to C 30 alkyl group, cyano group, substituted C 3 to C 30 cyclo-alkyl group, non-substituted C 3 to C 30 cyclo-alkyl group, substituted C 3 to C 30 hetero cyclo-alkyl group, non-substituted C 3 to C 30 hetero cyclo-alkyl group, substituted C 5 to C 30 aryl group, non-substituted C 5 to C 30 aryl group, substituted C 5 to C 30 heteroaryl group, non-substituted C 5 to C 30 heteroaryl group, substituted C 6 to C 30 arylalkyl group, non-substituted C 6 to C 30 arylalkyl group, substituted C 6 to C 30 hetero-arylalkyl group, non-substituted C 6 to C 30 hetero-arylalkyl group, substituted C 6 to C 30 aryloxyl group, non-substituted C 6 to C 30 aryloxyl group, substituted C 6 to C 30 hetero-aryloxyl group, and non-substituted C 6 to C 30 hetero-aryloxyl group,
wherein R 30 is selected from the group consisting of hydrogen, deuterium, tritium and substituted C 1 to C 30 alkyl group, and non-substituted C 1 to C 30 alkyl group, and r is an integer of 1 to 4,
wherein in Formula 4b, each of R 31 to R 38 is independently selected from the group consisting of hydrogen, deuterium, tritium, halogen, substituted C 1 to C 30 alkyl group, non-substituted C 1 to C 30 alkyl group, cyano group, substituted C 3 to C 30 cyclo-alkyl group, non-substituted C 3 to C 30 cyclo-alkyl group, substituted C 3 to C 30 hetero cyclo-alkyl group, non-substituted C 3 to C 30 hetero cyclo-alkyl group, substituted C 5 to C 30 aryl group, non-substituted C 5 to C 30 aryl group, substituted C 5 to C 30 heteroaryl group, non-substituted C 5 to C 30 heteroaryl group, substituted C 6 to C 30 arylalkyl group, non-substituted C 6 to C 30 arylalkyl group, substituted C 6 to C 30 hetero-arylalkyl group, non-substituted C 6 to C 30 hetero-arylalkyl group, substituted C 6 to C 30 aryloxyl group, non-substituted C 6 to C 30 aryloxyl group, substituted C 6 to C 30 hetero-aryloxyl group, and non-substituted C 6 to C 30 hetero-aryloxyl group, or adjacent two of R 31 to R 38 form a fused aromatic ring of C 5 to C 30 ,
wherein in Formulas 4a and 4b, n is an integer of 1 to 3, and L is represented by Formula 5:

wherein each of R 41 to R 48 is independently selected from the group consisting of hydrogen, deuterium, tritium, halogen, substituted C 1 to C 30 alkyl group, non-substituted C 1 to C 30 alkyl group, cyano group, substituted C 3 to C 30 cyclo-alkyl group, non-substituted C 3 to C 30 cyclo-alkyl group, substituted C 3 to C 30 hetero cyclo-alkyl group, non-substituted C 3 to C 30 hetero cyclo-alkyl group, substituted C 5 to C 30 aryl group, non-substituted C 5 to C 30 aryl group, substituted C 5 to C 30 heteroaryl group, non-substituted C 5 to C 30 heteroaryl group, substituted C 6 to C 30 arylalkyl group, non-substituted C 6 to C 30 arylalkyl group, substituted C 6 to C 30 hetero-arylalkyl group, non-substituted C 6 to C 30 hetero-arylalkyl group, substituted C 6 to C 30 aryloxyl group, non-substituted C 6 to C 30 aryloxyl group, substituted C 6 to C 30 hetero-aryloxyl group, and non-s

Assignees

• Lg Display Co Ltd

Inventors

• Song In-Bum
• Kim Chun-Ki

Classifications

• C07D491/048 Primary

  the oxygen-containing ring being five-membered · CPC title

• C07D209/80

  [b, c]- or [b, d]-condensed · CPC title

• C07D495/04

  Ortho-condensed systems · CPC title

• C07D209/86

  with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system · CPC title

• C09K2211/1059

  containing three nitrogen atoms as heteroatoms · CPC title