Organic electronic material and organic electronic element
An organic electronic material that includes a charge transporting polymer which has a branched structure and has a structural unit having a structure represented by Formula (1).
1. An organic electronic material comprising:
a charge transporting polymer which has a branched structure and has a structural unit having a structure represented by Formula (1):
in the formula, Ar's each independently represent an aromatic ring group, Ra's each independently represent a hydrogen atom, a substituent, or a binding site with another structure, Rb's each independently represent a substituent, and n's each independently represent an integer of 0 or more, where at least one of Ra's is a binding site with another structure.
2. The organic electronic material according to claim 1 , wherein the structure represented by Formula (1) includes at least one selected from the group consisting of a structure represented by Formula (1B-1) and a structure represented by Formula (1L-1):
in the formulas, * represents a binding site with another structure, Rc's each independently represent a hydrogen atom or a substituent, Rb's each independently represent a substituent, and n's each independently represent an integer of 0 to 4.
3. The organic electronic material according to claim 1 , wherein the charge transporting polymer further has a structural unit having at least one structure selected from the group consisting of an aromatic amine structure, a carbazole structure, a thiophene structure, a fluorene structure, a benzene structure, a pyrrole structure, an aniline structure, and a phenoxazine structure.
4. The organic electronic material according to claim 1 , wherein the charge transporting polymer has at least one polymerizable functional group.
5. The organic electronic material according to claim 4 , further comprising a polymerization initiator.
6. The organic electronic material according to claim 1 , wherein the charge transporting polymer is a hole transporting polymer.
7. A liquid composition comprising:
the organic electronic material according to claim 1 ; and
a solvent.
8. An organic layer which is formed using the organic electronic material according to claim 1 .
9. An organic electronic element comprising the organic layer according to claim 8 .
10. An organic electroluminescent element comprising the organic layer according to claim 8 .
11. An organic electroluminescent element comprising the organic layer according to claim 8 as a hole injection layer or a hole transport layer.
12. A display element comprising the organic electroluminescent element according to claim 10 .
13. A lighting device comprising the organic electroluminescent element according to claim 10 .
14. A display device comprising:
the lighting device according to claim 13 ; and
a liquid crystal element as a display means.
15. A method for manufacturing an organic electronic element, the method comprising forming an organic layer using the organic electronic material according to claim 1 .
16. An organic electronic material comprising:
a charge transporting polymer which has a branched structure and has a structural unit having a structure represented by Formula (1),
wherein the branched structure has at least one structural unit B and at least three or more structural units L bonded to the one structural unit B:
in the formula, Ar's each independently represent an aromatic ring group, Ra's each independently represent a hydrogen atom, a substituent, or a binding site with another structure, Rb's each independently represent a substituent, and n's each independently represent an integer of 0 or more, where at least one of Ra's is a binding site with another structure.
17. The organic electronic material according to claim 16 , wherein the branched structure comprises a multi-branched structure having at least:
one structural unit B, and three or more structural units L bonded to the one structural unit B;
one different structural unit B bonded to each of the three or more structural units L; and
two or more different structural units L bonded to the one different structural unit B.
18. An organic electronic material comprising:
a charge transporting polymer which has a branched structure and has a structural unit having a structure represented by Formula (1):
in the formula, Ar's each independently represent an aromatic ring group, Ra's each independently represent a hydrogen atom, a substituent, or a binding site with another structure, Rb's each independently represent a substituent, and n's each independently represent an integer of 0 or more, where two, three or four Ra's are binding sites with another structural unit.