Polymeric fluorescent substance, production method thereof, and polymer light-emitting device using the same
US6696180B2 · kind B2 · utility
7Cited by
5References
44Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2001 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Mar 30, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is a polymeric fluorescent substance containing specific repeating units at a specific ratio in main chain and having a branching polymeric chain. The substance is excellent in film-forming property without losing solubility in a solvent, and preferably used for a polymer LED having high light-emitting efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.