Organic light emitting diode
US6670052B2 · kind B2 · utility
22Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2001 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Sep 8, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An organic light emitting diode having high luminous intensity, and providing stabilized performance even during repetitive use and easy to manufacture, by using a charge transporting polymer having the following general formulae (I-1) and (I-2). where Ar represents a substituted or non-substituted monovalent polynulear aromatic ring having number of aromatic rings of 3 to 10, X represents a substituted or non-substituted bivalent aromatic group, T represents a bivalent linear hydrocarbon group of 1 to 6 carbon atoms, m represents an integer of 1 to 3 and k represents 0 or 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.