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

1. An organic electronic 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 comprising a phosphorescent dopant, wherein the emitting layer comprises a first host compound represented by Formula 1 and a second host compound represented by Formula 2:

in Formula 1 and Formula 2,

1) Ar 1 , Ar 2 , Ar 3 , Ar 4 , Ar 5 , Ar 6 and Ar 7 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 hetero atom of O, N, S, Si, 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 also Ar 1 and Ar 2 , or Ar 3 and Ar 4 may combine each other to form a ring,

2) 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 the 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, and P,

3) L 1 , L 2 , L 3 , L 4 and L 5 are independently selected from the group consisting of a single bond, a C 6 -C 60 arylene group; a fluorenylene group; or a C 2 -C 60 heteroarylene group containing at least one hetero atom of O, N, S, Si, and P,

4) X 1 is O or S,

5) Ring A and B are independently a C 6 -C 60 aryl group; or a C 2 -C 20 heterocyclic group,

6) X 2 is N-L 6 -Ar 7 , O, S or CR′R″, wherein R′ and R″ are independently hydrogen; a C 6 -C 60 aryl group; a fluorenyl group; a C 3 -C 60 heterocyclic group; or a C 1 -C 50 alkyl group; R′ and R″ may be bonded to each other to form a spiro ring,

7) x is an integer of 0 to 4, y is an integer of 0 to 3, R c and R d are each independently selected from the group consisting of hydrogen; 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 and 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

8) 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; siloxane group; boron group; germanium group; cyano group; nitro 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; 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 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 thereof.

2. The organic electronic element of claim 1 , wherein A and B in Formula 1 each independently include a structure of formulas a-1 to a-7:

wherein

Z 1 to Z 48 are each independently CR c or N,

Z 1 to Z 48 bonded to L 1 or L 3 are carbon (C),

R c is the same as the definition of R a in claim 1 ,

* indicates the position to be condensed.

3. The organic electronic element of claim 1 , wherein L 1 to L 5 in Formula 1 or Formula 2 are represented by one of Formulas b-1 to b-13:

wherein

Y is N-L 5 -Ar 7 , O, S or CR d R e ,

L 5 is the same as the definition of L 3 in claim 1 ,

Ar 7 is the same as the definition of Ar 5 in claim 1 ,

R d and R e are the same as the definition of R a in claim 1 ,

a, c, d and e are each independently an integer of 0 to 4, b is an integer of 0 to 6,

f and g are each independently an integer of 0 to 3, h is an integer of 0 to 2, i is an integer of 0 or 1,

R 1 , R 2 and R 3 are each independently hydrogen; deuterium; tritium; halogen; cyano group; nitro group; 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 a -N(R f )(R g ); or in case a, b, c, d, e, f and g are 2 or more, and h is 2 or more, each as plurality are the same as or different from each other, and a plurality of R 1 or a plurality of R 2 or a plurality of R 3 or adjacent R 1 and R 2 , or adjacent R 2 and R 3 may be bonded to each other to form an aromatic or a heteroaromatic ring,

L a is selected from the group consisting of a single bond; a C 6 -C 60 arylene group; a fluorenylene group; a C 2 -C 60 heterocyclic group containing at least one hetero atom of O, N, S, Si, and P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring; and C 3 -C 60 aliphatic hydrocarbon group;

R f and R g 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 containing at least one hetero atom selected from the group consisting of O, N, S, Si, and P; a fused ring group of a C 3 -C 60 aliphatic ring and a C 6 -C 60 aromatic ring,

Z 49 , Z 50 , and Z 51 are each independently CR h or N,

at least one of Z 49 , Z 50 , and Z 51 is N, and

R h is selected from the group consisting of hydrogen; deuterium; tritium; halogen; cyano group; nitro group; C 6 -C 60 aryl group; a fluorenyl group; a C 2 -C 60 heterocyclic group including at least one heteroatom selected from the group consisting 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 adjacent R 1 and R h may be bonded to each other to form an aromatic or a heteroaromatic ring.

4. The organic electronic element of claim 1 , wherein the first host compound represented by Formula 1 comprises a compound represented by one of Formula 3 to Formula 5:

wherein

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

C and D are the same as the definition of A in claim 1 ,

W is N-L 7 -Ar 8 , O, S, or CR i R j ,

L 6 and L 7 are the same as the definition of L 4 in claim 1 ,

Ar 8 is the same as the definition of Ar 5 in claim 1 ,

R i and R j are the same as the definition of R a in claim 1 , and

wherein in formulae 4 and 5, the two Ar 8 are each the same or different, the two W are each the same or different, the two C are each the same or different, the two D are each the same or different.

5. The organic electronic element of claim 1 , wherein the first host compound represented by Formula 1 comprises a compound represented by Formula 6:

wherein

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

Z 1 , Z 2 , Z 3 and Z 4 are each independently CR c or N,

Z 1 to Z 4 bonded to N is carbon (C),

R c is the same as the definition of R a in claim 1 ,

W is N-L 7 -Ar 8 , O, S, or CR i R j ,

L 7 are the same as the definition of L 4 in claim 1 ,

Ar 8 is the same as the definition of Ar 5 in claim 1 ,

R i and R j are the same as the definition of R a in claim 1 .

6. The organic electronic element of claim 1 , wherein the first host compound represented by Formula 1 comprises a compound represented by Formula 7 or 8 or 9:

wherein

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

Z 1 , Z 2 , Z 3 , Z 4 and W are the same as defined in claim 5 .

7. The organic electronic element of claim 1 , wherein the second host compound represented by Formula 2 comprises a compound represented by any one of Formulas 10 to 13:

wherein

X 2 , L 3 , L 4 , L 5 , Ar 5 , Ar 6 , R c , R d , x and y are the same as defined in claim 1 .

8. The organic electronic element of claim 1 , wherein the second host compound represented by Formula 2 comprises a compound represented by Formula 14:

wherein

1) X 2 , L 3 , L 4 , L 5 , Ar 5 , R c , R d x and y are the same as defined in claim 1 ,

2) X 3 is the same as the definition of X 2 in claim 1 ,

3) R e and R f are the same as the definition of R d and R c in claim 1 ,

4) n is the same as the definition of y, m is the same as the definition of x.

9. The organic electronic element of claim 1 , wherein the second host compound represented by Formula 2 comprises a compound represented by one of Formulas 15 to 18:

wherein

1) X 2 , L 3 , L 4 , L 5 , Ar 5 , R c , R d , x and y are the same as defined in claim 1 ,

2) X 3 , is the same as definition of X 2 in claim 1 ,

3) R e and R f , are the same as definition of R c and R d in claim 1 , 4) n is the same as the definition of y, m is the same as the definition of x.

10. The organic electronic element of claim 1 , wherein the first host compound represented by Formula 1 is any one of Compound 1-1 to Compound 1-175:

11. The organic electronic element of claim 1 , wherein the second host compound represented by Chemical Formula 2 is any one of the following compounds:

12. The organic electronic element of claim 1 , comprising between the first electrode and the emitting layer, a hole transport layer and/or an emitting auxiliary layer comprising the compound represented by Formula 1.

13. The organic electronic element of claim 1 , wherein the compounds represented by Formula 1 and by Formula 2 are mixed in a ratio of 1:9 to 9:1 and included in the emitting layer.

14. The organic electronic element of claim 1 , wherein the compounds represented by Formula 1 and by Formula 2 are mixed in a ratio of 1:9 to 5:5 and included in the emitting layer.

15. The organic electronic element of claim 1 , wherein the compounds represented by Formula 1 and by Formula 2 are mixed in a ratio of 2:8 or 3:7 and included in the emitting layer.

16. The organic electronic element of claim 1 , comprising a light efficiency enhancing layer formed on one side of the first electrode and/or of the second electrode, the side being opposite to the organic material layer and not facing the organic material layer.

17. The organic electronic element of claim 1 , wherein the organic material layer is formed by one of a spin coating process, a nozzle printing process, an inkjet printing process, a slot coating process, a dip coating process and a roll-to-roll process.

18. An electronic device comprising: a display device including the organic electric element of claim 1 ; and a control unit for driving the display device.

19. The electronic device of claim 18 , wherein the organic electric element is at least one of an OLED, an organic solar cell, an organic photo conductor, an organic transistor and an element for monochromic or white illumination.

20. A compound represented by Formula 20 or 21:

wherein

X 11 and X 12 are each independently O or S, and

a′, b′, c′ and d′ are each independently 0 or 1.

21. A compound represented by Formula 22:

wherein

A is the following Formula A-1 or A-2,

Ar 11 is a C 6 -C 18 aryl group,

X 11 , X 12 and X 13 are each independently O or S,

m′ and n′ are each independently 0 or 1,

a′ and c′ each independently an integer of 0 to 5,

d′ is an integer of any one of 0 to 4,

R 21 is a C 6 -C 18 aryl group, and

Ar 13 and Ar 14 are each independently a C 6 -C 18 aryl group,

with the proviso that: (1) where m′+n′=0, c′ is not an integer of 0 and d′ is not an integer of 0, and (2) where X 11 , X 12 and X 13 are O, m′+n′=1 or 2.

22. The compound of claim 21 , wherein the compound represented by Formula 22 is represented by Formula 23 or Formula 24:

wherein

X 11 , X 12 , X 13 , a′, c′, d′, m′, n′, Ar 13 , Ar 14 , R 21 are the same as defined in claim 21 .

23. A compound selected from the group consisting of the following compounds:

24. A compound selected from the group consisting of the following compounds: