Charge-transporting polymer, composition for organic electroluminescent element, organic electroluminescent element, organic EL display, and organic EL lighting
US8610112B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2009 |
| Grant date | Dec 17, 2013 |
| Priority date | — |
| Expiry date | May 3, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/633
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A subject for the invention is to provide a charge-transporting polymer having high hole-transporting ability and excellent solubility and film-forming properties and a composition for organic electroluminescent element which contains the charge-transporting polymer. Another subject for the invention is to provide an organic electroluminescent element which has a high current efficiency and high driving stability. The charge-transporting polymer comprises a group represented by the following formula (1) as a side chain:wherein in formula (1), the benzocyclobutene ring may have one or more substituents. The substituents may be bonded to each other to form a ring. The spacer represents a group which links the benzocyclobutene ring to the main chain of the charge-transporting polymer through three or more single bonds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.