Color shifting film with a plurality of fluorescent colorants
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 14, 2003
Grant Date -
Aug 22, 2002
app pub date -
Feb 16, 2001
filing date -
Feb 16, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed are articles having a color shifting film and indicia located behind the color shifting film. At least a first and second colored portion are arranged as a foreground and background of the indicia. The first portion includes a first fluorescent colorant and the second portion includes a different second fluorescent colorant. At least one of the colored portions is patterned. Bright fluorescent emission is visible from the different colorants over different angular ranges to produce high contrast reversal or change.
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Cited Art Landscape
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