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Patent Searching and Data


Title:
INFRARED BLOCKING FILTER, FILTER FOR SOLID-STATE IMAGING ELEMENTS, SOLID-STATE IMAGING ELEMENT, AND METHOD FOR PRODUCING FILTER FOR SOLID-STATE IMAGING ELEMENTS
Document Type and Number:
WIPO Patent Application WO/2021/054410
Kind Code:
A1
Abstract:
The present invention contains: a polymethine; a cyanine dye which is positioned at each end of the polymethine, and contains a cation having a heterocyclic ring that contains a nitrogen atom and a tris(pentafluoroethyl)trifluorophosphate anion; and an acrylic polymer which contains a unit structure represented by formula (1).

Inventors:
IWATA REIKO (JP)
HIRAI YURI (JP)
MIYOSHI HANAE (JP)
GODA TAKENORI (JP)
CHINONE HIROYUKI (JP)
Application Number:
PCT/JP2020/035342
Publication Date:
March 25, 2021
Filing Date:
September 17, 2020
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
G02B5/22; C09B23/01; C09B23/06; C09B23/08; C09B23/14; C09B67/20
Domestic Patent References:
WO2017098996A12017-06-15
WO2018101219A12018-06-07
WO2020059509A12020-03-26
Foreign References:
JP2004069758A2004-03-04
JP2011242751A2011-12-01
JP2005164972A2005-06-23
JP2005084476A2005-03-31
JP2016162946A2016-09-05
Attorney, Agent or Firm:
ONDA Makoto et al. (JP)
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