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:
Jun. 01, 2004
Filed:
Jun. 19, 2002
Applicant:
Inventor:
Hiroshi Kawamura, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 1/108 ;
U.S. Cl.
CPC ...
C09K 1/108 ;
Abstract
A mixed green color fluorescent material for an electric device such as a plasma display panel includes: at least a first fluorescent material selected from a Group A defined in a range (0.10≦x≦0.18, 0.70≦y≦0.80) on a chromaticity coordinate; and at least a second fluorescent material selected from a Group B defined in a range (0.25≦x≦0.35, 0.55 ≦y≦0.65) on the chromaticity coordinate.