Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
INFRARED BLOCKING FILTER, FILTER FOR SOLID-STATE IMAGING ELEMENT, SOLID-STATE IMAGING ELEMENT, AND METHOD FOR PRODUCING FILTER FOR SOLID-STATE IMAGING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2021/145456
Kind Code:
A1
Abstract:
The present invention comprises: a cation including a polymethine and a nitrogen-containing heterocycle located at each end of the polymethine; a cyanine dye including tris (pentafluoroethyl) trifluorophosphate; and a copolymer including a first repeating unit derived from a first monomer and a second repeating unit derived from a second monomer different from the first monomer. The first monomer has a phenolic hydroxyl group.

Inventors:
IWATA REIKO (JP)
HIRAI YURI (JP)
MIYOSHI HANAE (JP)
FURUKAWA SHIGEKI (JP)
Application Number:
PCT/JP2021/001375
Publication Date:
July 22, 2021
Filing Date:
January 15, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
C08F20/16; C08F20/32; C08F220/30; G02B5/22; H01L27/146
Domestic Patent References:
WO2017098996A12017-06-15
WO2018101219A12018-06-07
WO2016186050A12016-11-24
WO2016194527A12016-12-08
Foreign References:
JP2016204650A2016-12-08
JP2017218580A2017-12-14
JP2013249467A2013-12-12
JP2016188357A2016-11-04
JP2019014807A2019-01-31
Other References:
See also references of EP 4092055A4
Attorney, Agent or Firm:
ONDA Makoto et al. (JP)
Download PDF: