Phosphor powders, methods for making phosphor powders and...

C - Chemistry – Metallurgy – 09 – K

Patent

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C09K 11/00 (2006.01) B24D 15/00 (2006.01) B24D 15/10 (2006.01) C09D 5/22 (2006.01) C09D 11/00 (2006.01) C09K 11/08 (2006.01) C09K 11/54 (2006.01) C09K 11/56 (2006.01) C09K 11/58 (2006.01) C09K 11/59 (2006.01) C09K 11/62 (2006.01) C09K 11/63 (2006.01) C09K 11/64 (2006.01) C09K 11/66 (2006.01) C09K 11/67 (2006.01) C09K 11/77 (2006.01) C09K 11/78 (2006.01) C09K 11/79 (2006.01) C09K 11/80 (2006.01) C09K 11/84 (2006.01) G01T 1/20 (2006.01) G21K 4/00 (2006.01) H01J 1/63 (2006.01) H01J 29/08 (2006.01) H01J 29/20 (

Patent

CA 2345300

Phosphor powders and a method for making phosphor powders. The phosphor powders have a small particle size, a 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 display devices, incorporating the phosphor powders.

L'invention concerne des poudres de phosphore et un procédé de fabrication de poudres de phosphore. Les poudres de phosphore présentent de petites dimensions de particules, une répartition granulométrique serrée et sont sensiblement sphériques. Le procédé de l'invention permet avantageusement de produire ces poudres de façon économique. L'invention a également trait à des dispositifs améliorés, tels des dispositifs d'affichage, qui incorporent les poudres de phosphore.

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