Patent Number: 6,168,731

Title: Cathodoluminescent phosphor powders, methods for making phosphor powders and devices incorporating same

Abstract: Cathodoluminescent 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 cathodoluminescent display devices, incorporating the phosphor powders.

Inventors: Hampden-Smith; Mark J. (Albuquerque, NM), Kodas; Toivo T. (Albuquerque, NM), Caruso; James (Albuquerque, NM), Skamser; Daniel J. (Albuquerque, NM), Powell; Quint H. (Albuquerque, NM), Kunze; Klaus (Albuquerque, NM)

Assignee: Superior MicroPowders LLC

International Classification: B01J 2/00 (20060101); B01J 19/10 (20060101); B01J 2/02 (20060101); B01J 2/16 (20060101); B01J 19/24 (20060101); B01J 2/04 (20060101); B01J 19/00 (20060101); B01J 13/02 (20060101); C01G 15/00 (20060101); C01B 13/18 (20060101); C01B 17/00 (20060101); C01B 17/20 (20060101); C01G 23/00 (20060101); C09K 11/08 (20060101); C09K 11/64 (20060101); C09K 11/58 (20060101); C09K 11/67 (20060101); C09K 11/59 (20060101); C09K 11/02 (20060101); C09K 11/66 (20060101); C09K 11/56 (20060101); C09K 11/77 (20060101); C09K 11/62 (20060101); G21K 4/00 (20060101); H01J 29/02 (20060101); H01J 29/20 (20060101); H01J 29/08 (20060101); H01L 33/00 (20060101); H05B 33/14 (20060101); H05B 33/20 (20060101); H05B 33/12 (20060101); C09K 011/79 (); C09K 011/56 (); C09K 011/59 (); C09K 011/54 (); C09K 011/55 (); C09K 011/62 ()

Expiration Date: 01/02/2018