Films with narrow band emission phosphor materials
US11254864B2 · kind B2 · utility
4Cited by
26References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2021 |
| Grant date | Feb 22, 2022 |
| Priority date | — |
| Expiry date | Jan 19, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/882
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A color conversion film is provided. The film includes at least one narrow band emission phosphor dispersed within a binder matrix, wherein the narrow band emission phosphor has a D50 particle size from about 0.1 μm to about 15 μm and is selected from the group consisting of a green-emitting U6+-containing phosphor, a green-emitting Mn2+-containing phosphor, a red-emitting phosphor based on complex fluoride materials activated by Mn4+, and a mixture thereof. A device is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.