The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2009
Filed:
Feb. 21, 2007
Mark J. Hampden-smith, Albuquerque, NM (US);
Toivo T. Kodas, Albuquerque, NM (US);
James Caruso, Albuquerque, NM (US);
Daniel J. Skamser, Simpsonville, SC (US);
Quint H. Powell, Albuquerque, NM (US);
Klaus Kunze, Albuquerque, NM (US);
Mark J. Hampden-Smith, Albuquerque, NM (US);
Toivo T. Kodas, Albuquerque, NM (US);
James Caruso, Albuquerque, NM (US);
Daniel J. Skamser, Simpsonville, SC (US);
Quint H. Powell, Albuquerque, NM (US);
Klaus Kunze, Albuquerque, NM (US);
Cabot Corporation, Boston, MA (US);
Abstract
Photoluminescent 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 display devices and lighting elements, incorporating the phosphor powders.