Electroluminescent phosphor powders, methods for making phosphor powders and devices incorporating same
US6193908A · kind A · utility
46Cited by
32References
92Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 27, 1998 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Aug 27, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2991
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Electroluminescent phosphor powders and a method for making phosphor powders. The phosphor powders have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention advantageously permits the economic production of such powders. The invention also relates to improved devices, such as electroluminescent display devices, incorporating the phosphor powders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.