Fluorescence conversion medium and display device comprising it
US6641755B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2002 |
| Grant date | Nov 4, 2003 |
| Priority date | — |
| Expiry date | Jul 29, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K59/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Provided are a fluorescence conversion medium which comprises at least a fluorescent coloring matter and a binder resin and which can absorb light from a light emitter and can emit visible fluorescence, wherein fine particles containing the fluorescent coloring matter are dispersed in the binder resin; and a display device that comprises a light emitter and the fluorescence conversion medium. The fluorescence conversion medium (including fluorescence conversion films) has the advantages of stable fluorescence conversion capability, good heat resistance and good light resistance and favorable to high-resolution multi-color image display; and the display device comprises the fluorescence conversion medium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.