Charge transporting material, organic electroluminescent element, light emitting device, display device and illumination device
US10388886B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 20, 2013 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Feb 18, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/103
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A charge transporting material which allows for a low driving voltage and is superior in luminous efficiency and durability is provided. The charge transporting material comprising a compound represented by any one of the general formula (1-1) to (1-3), wherein R111 to R114, R121 to R125 and R131 to R135, L111 to L113, and L121 to L123, are as defined in the specification. Ar111 to Ar113 represent a substituent represented by any one of the general formulae (3-1) to (3-3); * represents a binding position to L121 to L123; and R311, R312, R321 to R325 and R331 to R335 are as defined in the specification:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.