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公开(公告)号：US20220213325A1
公开(公告)日：2022-07-07
申请号：US17697077
申请日：2022-03-17
Applicant: TOPPAN Inc.
Inventor： Reiko IWATA , Yuri HIRAI , Hanae TAGAMI , Takenori GODA , Hiroyuki CHINONE
Abstract: An infrared cut-off filter including a cyanine dye including a tris(pentafluoroethyl) trifluorophosphate anion and a cation having a polymethine and a nitrogen-containing heterocycle located at each end of the polymethine, and an acrylic polymer having a unit structure of formula (1).
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