Oxygen-containing phosphor powders, methods for making phosphor powders and devices incorporating same
US6180029A · kind A · utility
134Cited by
52References
127Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1998 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | Feb 24, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2993
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Phosphor powders and a method for making phosphor powders. The powders are oxygen-containing, such as metal oxides, silicates, borates or titanates and have a small particle size, narrow particle size distribution and are substantially spherical. The method of the invention advantageously permits the continuous production of such powders. The invention also relates to improved devices, such as display devices, incorporating the phosphor powders.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.