Compound for organic electronic element, organic electronic element using same and electronic device therefor

Patent metadata

Field	Value
Publication number	US-2019296244-A1
Application number	US-201716304379-A
Country	US
Kind code	A1
Filing date	May 24, 2017
Priority date	May 26, 2016
Publication date	Sep 26, 2019
Grant date	—

Abstract

Provided are an organic electronic element and an electronic device therefor, the organic electronic element having a mixture of a compound according to the present invention used as a material therefor, thereby enabling the achievement of high light-emitting efficiency and low driving voltage of the organic electronic element, and enabling the life of the element to be greatly extended.

First claim

1 . A compound represented by Formula (1):

in Formula (1) and (1-1):
1) X is O or S,
2) R 1 , R 2 and R 3 are each independently selected from the group consisting of hydrogen; deuterium; a C 6 -C 60 aryl group; a fluorenyl group; a C 2 -C 60 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; a C 1 -C 50 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 2 -C 20 alkoxyl group; a C 6 -C 30 aryloxy group; and -L b -NAr 3 Ar 4 ; with the proviso that one of R 1 , R 2 and R 3 is -L b -NAr 3 Ar 4 3) R 4 , R 5 , R 6 and R 7 are each independently selected from the group consisting of hydrogen; deuterium; a C 6 -C 60 aryl group; a fluorenyl group; a C 2 -C 60 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; a C 1 -C 50 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 2 -C 20 alkoxyl group; a C 6 -C 30 aryloxy group;
4) and wherein two adjacent R 1 and R 2 , R 2 and R 3 , R 3 and R 4 , R 5 and R 6 , R 6 and R 7 may be each independently bonded to form an aromatic or heteroaromatic ring,
5) Ar', Ar 2 , Ar 3 and Ar 4 are each independently selected from the group consisting of a C 6 -C 60 aryl group; a fluorenyl group; a C 2 -C 60 heterocyclic group including at least one hetero atom of O, N, S, Si or P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; a C 1 -C 50 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 2 -C 20 alkoxyl group; a C 6 -C 30 aryloxy group; with the proviso that at least one of Ar 1 , Ar 2 , Ar 3 and Ar 4 is a substituent represented by Formula (1-1),
6) L a and L b are each independently single bond; a C 6 -C 60 arylene group; a fluorenylene group; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; a C 2 -C 60 heterocyclic group;
7) n is an integer of 0 to 3, and m is an integer of 0 to 4,
8) Fe and R 9 are each independently selected from the group consisting of hydrogen; deuterium; a C 6 -C 60 aryl group; a fluorenyl group; a C 2 -C 60 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; a C 1 -C 50 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 2 -C 20 alkoxyl group; a C 6 -C 30 aryloxy group; or in case n and m are 2 or more, and Fe and R 9 are each in plural being the same or different, and a plurality of Fe or a plurality of R 9 combine to each other to form an aromatic ring or an heteroaromatic ring, wherein, the aryl group, fluorenyl group, arylene group, heterocyclic group, fused ring group, alkyl group, alkenyl group, alkoxy group and aryloxy group may be substituted with one or more substituents selected from the group consisting of deuterium; halogen; a silane group substituted or unsubstituted with C 1 -C 20 alkyl group or C 6 -C 20 aryl group; siloxane group; a C 1 -C 20 alkylthio group; C 1 -C 20 alkoxyl group; C 1 -C 20 alkyl group; C 2 -C 20 alkenyl group; C 2 -C 20 alkynyl group; C 6 -C 20 aryl group; C 6 -C 20 aryl group substituted with deuterium; a fluorenyl group; a C 2 -C 20 heterocyclic group; a C 3 -C 20 cycloalkyl group; a C 7 -C 20 arylalkyl group; and a C 8 -C 20 arylalkenyl group; wherein the substituents may combine each other and form a saturated or unsaturated ring, wherein the term ‘ring’ means a C 3 -C 60 aliphatic ring or a C 6 -C 60 aromatic ring or a C 2 -C 60 heterocyclic group or a fused ring formed by the combination of thereof.

2 . The compound according to claim 1 , wherein Formula (1) is represented by any one of the following Formulas (2) to (7):

wherein X, Y, Ar 1 , Ar 2 , Ar 3 , Ar 4 , L a , L b , R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , n and m are the same as defined in claim 1 .

3 . The compound according to claim 1 , wherein at least one of Ar 1 and Ar 2 in Formula (1) is Formula (1-1), and at least one of Ar 3 and Ar 4 is Formula (1-1).

4 . The compound according to claim 1 , wherein at least one of L a and L b in Formula (1) is a single bond.

5 . The compound according to claim 1 , wherein the compound represented by Formula (1) is any one of Compounds P-1 to P-90 represented by the following formulas:

6 . An organic electric element comprising a first electrode; a second electrode; and an organic material layer disposed between the first electrode and the second electrode, wherein the organic material layer comprises the compounds according to claim 1 .

7 . The organic electric element according to claim 6 , wherein the organic material layer is selected from the group consisting of a hole injection layer, a hole transport layer, an emitting auxiliary layer and an emitting layer, and the organic material layer contains one or more of the compounds.

8 . The organic electric element according to claim 7 , wherein the organic material layer is a ho

Assignees

• Duk San Neolux Co Ltd

Inventors

• Mun Soung Yun
• Jang Jae Wan
• Lee Yun Suk
• Park Jong Gwang
• Choi Yeon Hee
• Park Chi Hyun

Classifications

• C09K11/06

  containing organic luminescent materials · CPC title

• C07D333/76

  Dibenzothiophenes · CPC title

• C07D307/91

  Dibenzofurans; Hydrogenated dibenzofurans · CPC title

• C07D409/12

  linked by a chain containing hetero atoms as chain links · CPC title

• C07D209/82

  Carbazoles; Hydrogenated carbazoles · CPC title