Polymeric fluorescent substance and polymer light emitting device
US6521359B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2000 |
| Grant date | Feb 18, 2003 |
| Priority date | — |
| Expiry date | Mar 31, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/917
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided is a polymeric fluorescent substance which emits a fluorescence in a solid state, which comprises the following repeating unit in an amount of 20 mol % or more based on the total amount of all repeating units, in the formula, X1 represents a group selected from the group consisting of —CR3═CR4—, —C≡C—, —SiR5R6—, —NR7—, —CO—, —CO—O—, —O—CO—, —SO2—, a carbon-carbon single bond, —O— and —S—.The polymeric fluorescent substance has strong fluorescence, and can be suitably used as a polymer LED and a dye for laser.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.