Title:
INFRARED ABSORBING COMPOSITION, INFRARED ABSORBER, FILM, OPTICAL FILTER AND SOLID-STATE IMAGING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2023/162791
Kind Code:
A1
Abstract:
Provided is an infrared absorbing composition comprising: an infrared absorber which contains a squarylium compound and a cyclic compound; a curable compound; and a solvent. Also provided are a film, an optical filter and a solid-state imaging element which use the infrared absorbing agent. Also provided is an infrared absorber comprising a squarylium compound and a cyclic compound.
Inventors:
HAYASHI SHINYA (JP)
ARAYAMA KYOHEI (JP)
MATSUMURA TOKIHIKO (JP)
ARAYAMA KYOHEI (JP)
MATSUMURA TOKIHIKO (JP)
Application Number:
PCT/JP2023/005074
Publication Date:
August 31, 2023
Filing Date:
February 15, 2023
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B5/22; C08F2/44; C09B57/00; C09K3/00; H04N5/33
Domestic Patent References:
| WO2018163702A1 | 2018-09-13 | |||
| WO2017164024A1 | 2017-09-28 |
Foreign References:
| JP2020184073A | 2020-11-12 | |||
| JP2019530765A | 2019-10-24 | |||
| JP2016117858A | 2016-06-30 |
Attorney, Agent or Firm:
SIKS & CO. (JP)
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