Organic electronics material and use thereof
An organic electronic material containing a charge transport polymer for which, in a molecular weight distribution chart measured by GPC, the area ratio accounted for by components having a molecular weight of less than 20,000 is not more than 40%, and the area ratio accounted for by components having a molecular weight of 500 or less is not more than 1%.
1. An organic electronic material comprising a charge transport polymer having a polymerizable functional group at least at a terminal portion of the charge transport polymer and for which, in a molecular weight distribution chart measured by GPC, an area ratio accounted for by components having a molecular weight of less than 20,000 is not more than 40%, and an area ratio accounted for by components having a molecular weight of 500 or less is not more than 1%.
2. An organic electronic material comprising a charge transport polymer having a polymerizable functional group at least at a terminal portion of the charge transport polymer and from which components having a molecular weight of less than 20,000 have been removed, and for which, in a molecular weight distribution chart measured by GPC, an area ratio accounted for by components having a molecular weight of less than 20,000 is not more than 40%.
3. The organic electronic material according to claim 1 , wherein a dispersity (weight average molecular weight/number average molecular weight) of the charge transport polymer is 2.0 or greater.
4. A method for producing an organic electronic material comprising a charge transport polymer having a polymerizable functional group at least at a terminal portion of the charge transport polymer and for which, in a molecular weight distribution chart measured by GPC, an area ratio accounted for by components having a molecular weight of less than 20,000 is not more than 40%,
the method comprising removing components having a molecular weight of less than 20,000 from the charge transport polymer.
5. The method for producing an organic electronic material according to claim 4 , wherein a dispersity (weight average molecular weight/number average molecular weight) of the charge transport polymer following removal of components having a molecular weight of less than 20,000 is 2.0 or greater.
6. An ink composition comprising the organic electronic material according to claim 1 , and a solvent.
7. An organic layer formed using the organic electronic material according to claim 1 .
8. An organic electronic element comprising at least one of the organic layer according to claim 7 .
9. An organic electroluminescent element comprising at least one of the organic layer according to claim 7 .
10. The organic electroluminescent element according to claim 9 , further comprising a flexible substrate.
11. The organic electroluminescent element according to claim 9 , further comprising a resin film substrate.
12. A display element comprising the organic electroluminescent element according to claim 9 .
13. An illumination device comprising the organic electroluminescent element according to claim 9 .
14. A display device comprising the illumination device according to claim 13 , and a liquid crystal element as a display unit.
15. The organic electronic material according to claim 2 , wherein a dispersity (weight average molecular weight/number average molecular weight) of the charge transport polymer is 2.0 or greater.
16. An organic layer formed using the organic electronic material according to claim 2 .
17. An organic electronic element comprising at least one of the organic layer according to claim 16 .
18. An organic electroluminescent element comprising at least one organic layer according to claim 16 .
19. A display element comprising the organic electroluminescent element according to claim 18 .
20. An illumination device comprising the organic electroluminescent element according to claim 18 .
21. The organic electronic material according to claim 1 , wherein the charge transport polymer comprises a trivalent or higher structural unit that constitutes a branched portion.
22. The organic electronic material according to claim 2 , wherein the charge transport polymer comprises a trivalent or higher structural unit that constitutes a branched portion.
23. The method according to claim 4 , wherein the charge transport polymer comprises a trivalent or higher structural unit that constitutes a branched portion.