Polymeric light emitting substance and polymer light emitting device using the same
US7947340B2 · kind B2 · utility
5Cited by
15References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2002 |
| Grant date | May 24, 2011 |
| Priority date | — |
| Expiry date | Jul 17, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1352
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polymeric light emitting substance having a polystyrene reduced number-average molecular weight of from 103 to 108wherein this light emitting substance has in the main chain or side chain a metal complex structure showing light emission from the triplet excited state, and said substance can form a light emitting layer by industrially simple application methods such as a spin coat method, inkjet method, printing method and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.