Organic light emitting materials and devices
US6687266B1 · kind B1 · utility
1,035Cited by
14References
35Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 8, 2002 |
| Grant date | Feb 3, 2004 |
| Priority date | — |
| Expiry date | Nov 8, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An organic light emitting device is provided. The device includes an anode, a cathode, and an emissive layer disposed between the anode and the cathode. The emissive layer includes material having the structure: M is a metal having an atomic weight greater than 40, m is at least 1, n is at least zero, R″ is H or any substituent, X is an ancillary ligand, and A is selected from the group consisting of aryl and heteroaryl rings, and B is an aryl ring. A material including the photoactive ligand of the above material is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.