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:
Mar. 07, 2006
Filed:
Apr. 09, 2004
Applicant:
Shigeharu Urabe, Minami-ashigara, JP;
Inventor:
Shigeharu Urabe, Minami-ashigara, JP;
Assignee:
Fuji Photo Film Co., Ltd, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 33/14 (2006.01); C01G 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is EL phosphor powder which contains phosphor particles that comprise zinc sulfide as the matrix thereof and contain an activator and a co-activator, wherein at least 30% of the projected area of the phosphor particles contained in the EL phosphor powder are those having an aspect ratio (length of major axis/length of minor axis) of at least 1.5. The EL phosphor powder emits light of higher brightness.