Electroluminescent phosphor powders, methods for making phosphor powders, and devices incorporating same - Patent US7067070(B2)

Filed: Sep 26, 2003

Published: Jun 27, 2006

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.

Applicants

CABOT CORP

Inventors

KODAS TOIVO T
KUNZE KLAUS
CARUSO JAMES
POWELL QUINT H
SKAMSER DANIEL J
HAMPDEN-SMITH MARK J

Application Number

10672792

Priority Claims

US3945097

Family Members

US2005098764(A1) - Electroluminescent phosphor powders, methods for making phosphor powders, and devices incorporating same

US7067070(B2) - Electroluminescent phosphor powders, methods for making phosphor powders, and devices incorporating same

Classification Codes

B22F9/16, C01B17/20, C01B13/18, C09K11/78, H05B33/14, B01J13/02, B01J19/10, C09K11/08, C09G1/00, C09K11/62, H01L21/321, C09K11/58, C22C32/00, B01J19/00, H01J29/08, B22F9/02, B01J19/24, C09K11/56, C01G25/00, C01G15/00, B22F1/00, H01L21/02, H05B33/20, B24B37/04, H01J29/02, C09K11/67, C01G23/00, H01L23/498, C09K11/02, H01J29/20, C09K11/77, C09G1/02, B01J2/02, B01J2/04, C01B17/00, C09K11/66, H01L23/48, B01J2/16, H01G4/08, C09K3/14, B22F9/24, C09K11/64, C09K11/59, G21K4/00, H05B33/12, B01J2/00, B01J2/18, H01L33/00