Silsesquioxane compound, organic light emitting element, display apparatus, image information processing apparatus, and image forming apparatus
US9755165B2 · kind B2 · utility
5Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2014 |
| Grant date | Sep 5, 2017 |
| Priority date | — |
| Expiry date | Mar 25, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is an organic light emitting element having high light emitting efficiency. The organic light emitting element includes: an anode; a cathode; an emission layer placed between the anode and the cathode; and a hole transport layer formed between the anode and the emission layer, in which the hole transport layer contains a siloxane compound and a compound having a tertiary arylamine structure; and number of SP2 carbon atoms in the hole transport layer is ten times or less number of silicon atoms in the hole transport layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.