Organic electroluminescent element, and illumination device and display device each comprising the element
US9617255B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 21, 2010 |
| Grant date | Apr 11, 2017 |
| Priority date | — |
| Expiry date | Jul 10, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K85/324
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided is an o organic electroluminescence element comprising an anode, a cathode and a plurality of composing layers including a light emitting layer sandwiched between the anode and the cathode, wherein an electron transport layer containing the compound represented by Formula (1) is included in the composing layers; the light emitting layer contains a phosphorescence emitting organic metal complex; and the cathode or one composing layer adjacent to the cathode contains a metal or a metal compound belonging to Group 1 or Group 2 of the periodic table of elements, provided that the metal exhibits a standard electrode potential larger than −3 V vs. SHE in a system of the metal ion (Mn+)/the metal (M):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.