发明名称 FARBVERSCHIEBENDE BESCHICHTUNG MIT MEHREREN FLUORESZENTEN FARBSTOFFEN
摘要 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.
申请公布号 DE60143968(D1) 申请公布日期 2011.03.10
申请号 DE2001643968 申请日期 2001.07.16
申请人 3M INNOVATIVE PROPERTIES CO. 发明人 LIU, YAOQUI J.;JONZA, JAMES M.
分类号 G02B5/22;G02B5/28;B32B7/02;B32B7/04;G02B5/30 主分类号 G02B5/22
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