Compound for organic electric element, organic electric element using same, and electronic device comprising same organic electronic element

1. An organic electric element comprising a first electrode, a second electrode, and an organic material layer formed between the first electrode and the second electrode,

wherein the organic material layer comprises an emitting layer and the emitting layer comprises a first host compound represented by Formula (1) and a second host compound represented by Formula (2) as a phosphorescent light emitting layer:

wherein:

1) Ar 1 , Ar 2 , Ar 3 , Ar 4 and Ar 5 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 1 -C 30 alkoxyl group; a C 6 -C 30 aryloxy group; and -L′-N(R a )(R b ); and Ar 1 and Ar 2 or Ar 3 and Ar 4 may be bonded to each other to form a ring,

2) c and e are an integer of 0 to 10, and d is an integer of 0 to 2,

3) R 3 , R 4 and R 5 are the same or different from each other, and are each independently selected from the group consisting of hydrogen; deuterium; halogen; 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 1 -C 30 alkoxyl group; a C 6 -C 30 aryloxy group; and -L′-N(R a )(R b ); or in case c, d and e are 2 or more, and R 3 , R 4 and R 5 are each in plural being the same or different, and a plurality of R 3 or a plurality of R 4 or a plurality of R 5 may be bonded to each other to form a ring;

4) L 1 , L 2 , L 3 , L 4 , L 5 and L 6 are each independently selected from the group consisting of a single bond; a C 6 -C 60 arylene group; and a fluorenylene group; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; and a C 2 -C 60 heterocyclic group; provided that except when L 5 is a single bond,

5) A and B are each independently a C 6 -C 20 aryl group or a C 2 -C 20 heterocyclic group, provided that when both A and B are a substituted or unsubstituted C 6 aryl group (phenyl group), d is 2, and R 4 s are bonded to each other to form an aromatic or heterocyclic group,

6) i and j are each 0 or 1 with the proviso that i+j is 1 or more, and when i or j is 0, it means a direct bond,

7) X 1 and X 2 are each independently N-L 7 -Ar 6 , O, S, or CR 6 R 7 , wherein L 7 is the same as L 1 to L 4 or L 6 defined, Ar 6 is the same as Ar 1 to Ar 5 defined, and R 6 and R 7 are each independently hydrogen; a C 6 -C 60 aryl group; a fluorenyl group; a C 2 -C 60 heterocyclic group; or a C 1 - 50 alkyl group and R 6 and R 7 may combine to each other to form a spiro, and

8) L′ is selected from the group consisting of a 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; and a C 2 -C 60 heterocyclic; and R a and R b are each independently selected from the group consisting of a C 6 -C 60 aryl group; a fluorenyl group; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; and a C 2 -C 60 heterocyclic group containing at least one hetero atom of O, N, S, Si, or P,

wherein, the aryl group, fluorenyl group, arylene group, heterocyclic group, fluorenylene 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; boron group; germanium group; cyano group; nitro group; -L′-N(R a )(R b ); 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; C 2 -C 20 heterocyclic group; C 3 -C 20 cycloalkyl group; C 7 -C 20 arylalkyl group; and 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 C 3 -C 60 aliphatic ring or C 6 -C 60 aromatic ring or a C 2 -C 60 heterocyclic group or a fused ring formed by the combination of thereof and includes a saturated or unsaturated ring.

2. The organic electric element according to claim 1 , comprising a compound represented by the following Formula (3) when Ar 1 and Ar 2 in Formula (1) form a ring;

wherein:

1) L 3 , L 4 , L 5 , Ar 3 and Ar 4 are the same as defined in claim 1 ,

2) a and b are each independently an integer of 0 to 4,

3) R 1 and R 2 are the same or different from each other, and are each independently selected from the group consisting of hydrogen; deuterium; halogen; a C 6 -C 60 aryl group; a fluorenyl group; a C 2 -C 20 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 20 aliphatic ring and a C 6 -C 20 aromatic ring; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxyl group; a C 6 -C 30 aryloxy group; and -L′-N(R a )(R b ); or in case a and b are 2 or more, R 1 and R 2 are each in plural being the same or different, and a plurality of R 1 or a plurality of R 2 may be bonded to each other to form a ring.

3. The organic electric element according to claim 1 , wherein L 1 , L 2 , L 3 , L 4 and L 5 in Formula (1) are each independently any one of the following Formulas (A-1) to (A-13):

wherein:

1) a′, c′, d′ and e′ are an integer of 0 to 4; and b′ is an integer of 0 to 6; and f′ and g′ are an integer of 0 to 3; and h′ is an integer of 0 or 1; and i′ is an integer of 0 to 2, and j′ is an integer of 0 to 4,

2) R 8 , R 9 , R 10 and R 15 are the same or different from each other, and are each independently selected from the group consisting of hydrogen; deuterium; halogen; a C 6 -C 20 aryl group; a fluorenyl group; a C 2 -C 20 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 20 aliphatic ring and a C 6 -C 20 aromatic ring; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxyl group; a C 6 -C 30 aryloxy group; and -L′-N(R a )(R b );

wherein e′, f′, g′, i′ and j′ are 2 or more, R 8 , R 9 , R 10 and R 15 are each in plural being the same or different, and a plurality of R 8 or a plurality of R 9 or a plurality of R 10 or a plurality of R 15 , two adjacent R 8 and R 9 , or R 9 and R 10 , or R 10 and R 15 may be bonded to form an aromatic ring or heteroaromatic ring,

3) Y is N-L 8 -Ar 7 , O, S or CR 11 R 12 , wherein L 8 is the same as L 1 to L 6 defined in claim 1 , Ar 7 is the same as Ar 1 to Ar 5 defined in claim 1 , and R 11 and R 12 are the same as R 6 and R 7 defined in claim 1 ,

4) Z 1 , Z 2 and Z 3 are each CR 13 or N, and at least one of Z 1 , Z 2 and Z 3 is N, and R 13 is the same as R 8 and R 10 defined above.

4. The organic electric element according to claim 1 , wherein the first host compound represented by Formula (1) is represented by any one of the following Formulas (3-1) to (3-19):

wherein:

L 3 , L 4 , L 5 , Ar 3 and Ar 4 are the same as defined in claim 1 ,

1) a and b are each independently integer of 0 to 4,

2) R 1 , R 2 , R 8 and R 9 are the same or different from each other, and are each independently selected from the group consisting of hydrogen; deuterium; halogen; a C 6 -C 60 aryl group; a fluorenyl group; a C 2 -C 20 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 20 aliphatic ring and a C 6 -C 20 aromatic ring; a C 1 -C 20 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 20 alkoxyl group; a C 6 -C 30 aryloxy group; and -L′-N(R a )(R b ); or in case a, b, a′, d′, f′ or g′ are 2 or more, R 1 , R 2 , R 8 and R 9 are each in plural being the same or different, and a plurality of R 1 or a plurality of R 2 or a plurality of R 8 or a plurality of R 9 , or adjacent R 1 and R 2 , or R 8 and R 9 may be bonded to each other to form an aromatic or heteroaromatic ring,

3) a′ and d′ are an integer of 0 to 4; and f′ and g′ are an integer of 0 to 3;

4) Y is N-L 8 -Ar 7 , O, S or CR 11 R 12 ,

5) W is N-L 8 -Ar 7 , O, S or CR 11 R 12 , wherein L 8 is the same as L 1 to L 6 defined in claim 1 , Ar 7 is the same as Ar 1 to Ar 5 defined in claim 1 , and R 11 and R 12 are the same as R 6 and R 7 defined in claim 1 .

5. The organic electric element according to claim 1 , wherein both Ar 3 and Ar 4 in Formula (1) are a C 6 -C 24 aryl group.

6. The organic electric element according to claim 1 , wherein at least one of Ar 3 and Ar 4 in Formula (1) is a dibenzothiophene or dibenzofuran compound.

7. The organic electric element according to claim 1 , wherein at least one of L 1 , L 2 , L 3 , L 4 and L 5 in Formula (1) is substituted in m (meta)-position.

8. The organic electric element according to claim 1 , wherein the first host compound represented by Formula (1) is represented by Formula (3-20):

wherein:

Ar 1 , Ar 2 , Ar 3 , Ar 4 , L 1 , L 2 , L 3 and L 4 are the same as defined in claim 1 ,

1) R 8 and R 9 are the same or different from each other, and are each independently selected from the group consisting of hydrogen; deuterium; halogen; 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 1 -C 30 alkoxyl group; a C 6 -C 30 aryloxy group; and -L′-N(R a )(R b ); or f′ and g′ are 2 or more, R 8 and R 9 are each in plural being the same or different, and a plurality of R 8 or a plurality of R 9 , or two adjacent R 8 and R 9 may be bonded to form an aromatic or heteroaromatic ring,

2) f′ and g′ are integer of 0 to 3.

9. The organic electric element according to claim 1 , wherein the second host compound represented by Formula (2) is represented by the following Formula (4) or (5):

wherein R 3 , R 4 , R 5 , L 6 , Ar 5 , X 1 , X 2 , A, B, c, d, and e are the same as defined in claim 1 .

10. The organic electric element according to claim 1 , wherein A and B in Formula (2) are selected from the group consisting of the following Formulas (B-1) to (B-7):

wherein:

1) Z 4 to Z 50 are CR 14 or N,

2) R 14 is the same as R 3 to R 5 defined in claim 1 ,

3) * indicates the position to be condensed.

11. The organic electric element according to claim 1 , wherein the second host compound represented by Formula (2) comprises a compound represented by any of the following Formulas (4-1) to (4-35):

wherein:

X 1 , X 2 , L 6 , Ar 5 , R 3 , R 4 and R 5 , are the same as defined in claim 1 ,

c and e are each independently any one of integers of 0 to 8,

d is any one of integers of 0 to 4.

12. The organic electric element according to claim 1 , wherein the second host compound represented by Formula (2) comprises a compound represented by any of the following Formulas (6-1) to (6-8):

wherein R 3 , R 4 , R 5 , R 6 , R 7 , L 6 , L 7 , Ar 5 , Ar 6 , c, d, e, A and B are the same as defined in claim 1 .

13. The organic electric element according to claim 1 , wherein the first host compound represented by Formula (1) comprises any of the following Compounds 1-1 to 1-60 and 2-1 to 2-106:

14. The organic electric element according to claim 1 , wherein the second host compound represented by Formula (2) comprises any one of the following Compounds 3-1 to 3-124:

15. The organic electric element of claim 1 , further comprising at least one hole transporting band layer between the first electrode and the emitting layer, wherein the hole transporting band layer comprises a hole transport layer, an emitting auxiliary layer, or both the layers, and the hole transporting band layer comprises a compound represented by Formula (1).

16. The organic electric element according to claim 1 , wherein the compounds represented by Formula (1) and (2) are mixed in ratio of 1:9 to 9:1 to be included in the emitting layer.

17. The organic electric element according to claim 1 , wherein the compounds represented by Formula (1) and (2) are mixed in a ratio of 2:8 or 3:7 to be included in the emitting layer.

18. A display device comprising the organic electric element of claim 1 ; and a control part driving the display device.

19. A display device according to claim 18 , wherein the organic electric element is at least one of an OLED, an organic solar cell, an organic photo conductor(OPC), organic transistor(organic TFT) and an element for monochromic or white illumination.

20. 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 and comprising at least an emitting auxiliary layer and an emitting layer, wherein the emitting auxiliary layer comprises a compound represented by Formula (3-20) and the emitting layer comprises a compound represented by Formula (2):

wherein:

1) Ar 1 , Ar 2 , Ar 3 , Ar 4 and Ar 5 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 1 -C 30 alkoxyl group; a C 6 -C 30 aryloxy group; and -L′-N(R a )(R b ); and neither Ar 1 and Ar 2 nor Ar 3 and Ar 4 are bonded to each other to form a ring,

2) c and e are an integer of 0 to 10, and d is an integer of 0 to 2,

3) R 3 , R 4 and R 5 are the same or different from each other, and are each independently selected from the group consisting of hydrogen; deuterium; halogen; 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 1 -C 30 alkoxyl group; a C 6 -C 30 aryloxy group; and -L′-N(R a )(R b ); or in case c, d and e are 2 or more, and R 3 , R 4 and R 5 are each in plural being the same or different, and a plurality of R 3 or a plurality of R 4 or a plurality of R 5 may be bonded to each other to form a ring; R 8 and R 9 are the same or different from each other, and are each independently selected from the group consisting of hydrogen; deuterium; halogen; 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 alkenyl group; a C 1 -C 30 alkoxyl group; a C 6 -C 30 aryloxy group; and -L′-N(R a )(R b ); or f′ and g′ are 2 or more, R 8 and R 9 are each in plural being the same or different, and a plurality of R 8 or a plurality of R 9 , or two adjacent R 8 and R 9 may be bonded to form an aromatic or heteroaromatic ring, and

4) L 1 , L 2 , L 3 , L 4 , L 5 and L 6 are each independently selected from the group consisting of a single bond; a C 6 -C 60 arylene group; and a fluorenylene group; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; and a C 2 -C 60 heterocyclic group; provided that except when L 5 is a single bond,

5) A and B are each independently a C 6 -C 20 aryl group or a C 2 -C 20 heterocyclic group, with the proviso that both A and B are not C 6 -aryl group at the same time,

6) i and j are each 0 or 1 with the proviso that i+j is 1 or more, and when i or j is 0, it means a direct bond, f′ and g′ are each an integer of 0 to 3,

7) X 1 and X 2 are each independently N-L 7 -Ar 6 , O, S, or CR 6 R 7 , wherein L 7 is the same as L 1 to L 4 or L 6 defined, Ar 6 is the same as Ar 1 to Ar 5 defined, and R 6 and R 7 are each independently hydrogen; a C 6 -C 60 aryl group; a fluorenyl group; a C 2 -C 60 heterocyclic group; or a C 1 -C 50 alkyl group and R 6 and R 7 may combine to each other to form a spiro, and

8) L′ is selected from the group consisting of a 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; and a C 2 -C 60 heterocyclic; and Ra and Rb are each independently selected from the group consisting of a C 6 -C 60 aryl group; a fluorenyl group; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; and a C 2 -C 60 heterocyclic group containing at least one hetero atom of O, N, S, Si, or P,

wherein, the aryl group, fluorenyl group, arylene group, heterocyclic group, fluorenylene 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; boron group; germanium group; cyano group; nitro group; -L′-N(R a )(R b ); 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; C 2 -C 20 heterocyclic group; C 3 -C 20 cycloalkyl group; C 7 -C 20 arylalkyl group; and Cs-Ca) arylalkenyl group; wherein the substituents may combine each other and form a saturated or unsaturated ring, wherein the term ‘ring’ means C 3 -C 60 aliphatic ring or C 6 -C 60 aromatic ring or a C 2 -C 60 heterocyclic group or a fused ring formed by the combination of thereof and includes a saturated or unsaturated ring.

21. A display device comprising the organic electric element of claim 20 ; and a control part driving the display device.

22. A display device according to claim 21 , wherein the organic electric element is at least one of an OLED, an organic solar cell, an organic photo conductor(OPC), organic transistor(organic TFT) and an element for monochromic or white illumination.