Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof
Provided are a compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.
1. A compound represented by Formula (1) below:
wherein:
1) m is an integer of 0 to 4, and n, o and p are an integer of 0 to 3, when m, n, o or p are 1 or more, R 1 , R 2 , R 3 , and R 4 are each independently selected from the group consisting of a hydrogen; a deuterium; a halogen; C 6 -C 60 aryl group; a fluorenyl group; a C 2 -C 60 heterocyclic group comprising 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 ), wherein, 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 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, or an adjacent plurality of R 1 or a plurality of R 2 or a plurality of R 3 or a plurality of R 4 may combine to each other to form an aromatic or a heteroaromatic ring, with the proviso that the ring formed by a plurality of R 1 is a benzene ring(s) fused to the ring on which R 1 s are substituted,
2) X is NR′, wherein R′ is 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, and Y is O, S or NR′,
3) L 1 is 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,
4) L 2 is 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,
5) Ar 1 , Ar 2 and Ar 3 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 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 ), wherein Ar 2 and Ar 3 , Ar 3 and L 2 , Ar 2 and L 2 , Ar 1 and L 1 , or Ar 1 and L 2 may be bonded to each other to form a 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; 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 ring or a fused ring formed by the combination thereof.
2. The compound according to claim 1 , wherein the compound represented by Formula (1) is represented by any one of the following Formulas (2) to (5):
wherein,
R 1 , R 2 , R 3 , R 4 , m, n, o, p, L 1 , L 2 , Ar 1 , Ar 2 , Ar 3 , X and Y are the same as defined in claim 1 .
3. The compound according to claim 1 , wherein the compound represented by Formula (1) is represented by any one of the following Formulas (6) to (9):
wherein,
R 1 , R 2 , R 3 , R 4 , m, n, o, p, L 1 , L 2 , Ar 1 , Ar 2 , Ar 3 , X and Y are the same as defined in claim 1 .
4. The compound according to claim 1 , wherein neighboring substituent connecting position of the ring containing Y in Formula (1) is represented by any one of the following Formulas [A-1] to [A-16]:
wherein,
R 3 , R 4 , o, p and Y are the same as defined in claim 1 .
5. The compound according to claim 1 , wherein the compound represented by Formula (1) is represented by Formula (22A):
wherein,
R 1 , R 2 , R 3 , R 4 , m, n, o, p, L 1 , L 2 , Ar 1 , Ar 2 , Ar 3 and Y are the same as defined in claim 1 .
6. The compound according to claim 1 , wherein the compound represented by Formula (1) is represented by any one of Formula (22) to Formula (37) below:
wherein,
R 1 , R 2 , R 3 , R 4 , m, n, o, p, L 1 , L 2 , Ar 1 , Ar 2 , Ar 3 and Y are the same as defined in claim 1 .
7. The compound according to claim 1 , wherein L 1 and L 2 of Formula (1) are any one of the following Formulas (B-1) to (B-12):
wherein,
1) a′, c′, d′ and e′ are each an integer of 0 to 4, b′ is an integer of 0 to 6, f′ and g′ are each an integer of 0 to 3, and h′ is an integer of 0 to 1,
2) R 6 , R 7 and R 8 are the same or different from each other, and are each independently selected from the group consisting of 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 60 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 ), wherein, 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 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, or in case a′, b′, c′, d′, e′, f′ and g′ are 2 or more, and d is 2, and are each in plural and are the same or different, a plurality of R 6 or a plurality of R 7 or a plurality of R 8 or a plurality of R 4 or a plurality of R 5 may be bonded to each other to form a ring, or adjacent R 6 and R 7 , or adjacent R 7 and R 8 may be bonded to each other to form an aromatic or a heteroaromatic ring,
3) Y′ is NR′, 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; and R′ and R″ may be bonded to each other to form a spiro,
4) Z 4 , Z 5 and Z 6 are each independently CR′ or N, and at least one is N.
8. The compound according to claim 1 , wherein at least one of L 1 and L 2 in Formula (1) is substituted at a meta position.
9. A compound selected from the group consisting of the following Formulas (P-1) to (P-120):
10. An organic electric element comprising a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode, wherein the organic material layer comprises one or more of a hole injection layer, a hole transport layer, an emitting-auxiliary layer, an emitting layer, an hole blocking layer, an electronic auxiliary layer, and an electron transport layer, and wherein the organic material layer comprises the compound according to claim 1 .
11. The organic electric element according to claim 10 , wherein the organic layer is a hole transport layer or an emitting-auxiliary layer, and wherein the compound is a single compound or a mixture of 2 or more compounds having different structures in the hole transport layer or in the emitting-auxiliary layer.
12. The organic electric element according to claim 10 , wherein the organic electric element further comprises a light efficiency enhancing layer formed on either or both of the side of the first electrode and the side of the second electrode facing the organic material layer.
13. The organic electric element according to claim 10 , wherein the organic material layer is formed by a spin coating process, a nozzle printing process, an inkjet printing process, a slot coating process, a dip coating process or a roll-to-roll process.
14. An electronic device comprising a display device including the organic electric element according to claim 10 ; and a control unit for driving the display device.
15. The electronic device according to claim 14 , 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.