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:
Sep. 16, 1997
Filed:
May. 13, 1996
Applicant:
Inventor:
Ronald O Petersen, Phoenix, AZ (US);
Assignee:
Motorola, Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C09K / ;
U.S. Cl.
CPC ...
2523 / ; 2523 / ; 2523 / ; 2523 / ; 2523 / ;
Abstract
A phosphor for low voltage applications including a plurality of light-emitting particles being made from a UV-excitable light-emitting phosphor, a diffusion barrier being formed as a film on the light-emitting particles, and a coating of an electron-excitable UV-emitting material being formed on the diffusion barrier. A method for making a low voltage phosphor including the steps of (i) providing a UV-excitable light-emitting phosphor (ii) forming a diffusion barrier on the UV-excitable light-emitting phosphor via sol-gel techniques (iii) forming, via sol-gel techniques, a film of an electron-excitable UV-emitting material on the diffusion barrier.