Multilayer cathode for organic light-emitting device
US6255774A · kind A · utility
43Cited by
9References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 18, 1999 |
| Grant date | Jul 3, 2001 |
| Priority date | — |
| Expiry date | Jun 18, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2102/351
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An organic light-emitting device wherein the cathode (4, 5) comprises a first layer (5) of a conducting material and a second layer (4) of a conductive material having a work function of at most 3.7 eV and wherein the second layer is substantially thinner than the first layer, having a thickness of at most 5 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.