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

1. An organic electronic element comprising an anode, a cathode and an organic material layer formed between the anode and the cathode,

wherein the organic material layer includes an emitting layer, a hole transport layer formed between the anode and the emitting layer, and an emitting auxiliary layer or an electron blocking layer (EBL) formed between the emitting layer and the hole transport layer, and

wherein the emitting auxiliary layer or the electron blocking layer comprises a compound represented by Formula (31):

wherein:

R 20 , R 21 , R 22 , R 23 , R 24 and R 25 are each independently selected from the group consisting of hydrogen; deuterium; halogen; a C 6 -C 30 aryl group; a fluorenyl group; a C 2 -C 30 heterocyclic group including at least one heteroatom of O, N, S, Si or P; a fused ring group of a C 3 -C 30 aliphatic ring and a C 6 -C 30 aromatic ring; a C 1 -C 30 alkyl group; a C 2 -C 20 alkenyl group; a C 2 -C 20 alkynyl group; a C 1 -C 3 alkoxyl group; and a C 6 -C 30 aryloxy group, and a plurality of R 20 , a plurality of R 21 , a plurality of R 22 , a plurality of R 23 , a plurality of R 24 , and/or a plurality of R 25 may be bonded to each other to form an aromatic ring or a heteroaromatic ring,

v is an integer of 0 to 3,

u, w, x and y are each independently an integer of 0 to 4,

z is an integer of 0 to 5,

L 20 and L 21 are each independently a single bond; a C 6 -C 30 arylene group; or a C 3 -C 30 heteroarylene group,

Ar 20 is an unsubstituted C 6 -C 30 aryl group; or an unsubstituted C 3 -C 30 heteroaryl group directly bonded to the N atom of Formula (31) through the heteroaryl ring, and

X 20 is O, S, NR′ or CR′R″, wherein R′ and R″ are each independently selected from the group consisting of a C 1 -C 30 alkyl group; a C 6 -C 30 aryl group; a C 3 -C 30 heterocyclic group including at least one heteroatom of O, N, S, Si, or P; and R′ and R″ may be bonded to each other to form a spiro ring.

2. The organic electronic element according to claim 1 , wherein the structural moiety

in Formula (31) is represented by

wherein R 24 , R 25 , X 20 , L 21 , u and v are the same as defined in claim 1 .

3. The organic electronic element according to claim 1 , wherein the compound represented by Formula (31) is selected from the group consisting of the following compounds:

4. The organic electronic element according to claim 1 , wherein the compound represented by Formula (31) is used as a green emitting auxiliary layer material.

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

6. A display device according to claim 5 , wherein the organic electronic element is an OLED, an organic solar cell, an organic photo conductor (OPC), organic transistor (organic TFT), or an element for monochromic or white illumination.