Title:
近赤外線吸収性組成物、膜、赤外線カットフィルタ、固体撮像素子、赤外線吸収剤および化合物
Document Type and Number:
Japanese Patent JP6605039
Kind Code:
B2
Abstract:
A near infrared absorbing composition includes: a squarylium compound represented by the following Formula (1) and having an absorption maximum of 700 nm or longer; and a resin. In Formula (1), Ar1 and Ar2 each independently represent a divalent conjugated group which has a heteroaryl ring having a chalcogen atom, and R1 to R4 each independently represent a hydrogen atom or a substituent. The film and the infrared cut filter are formed of the near infrared absorbing composition. The solid image pickup element includes the infrared cut filter.
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Inventors:
Hirai Tomoki
Daisuke Sasaki
Yoshihiro Jimbo
Daisuke Sasaki
Yoshihiro Jimbo
Application Number:
JP2017556407A
Publication Date:
November 13, 2019
Filing Date:
November 02, 2016
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B5/22; C07D333/36; C07D495/04; C09B23/00; C09B57/00; C09B67/20; C09K3/00; H01L27/146
Domestic Patent References:
| JP1232350A | ||||
| JP2013964A | ||||
| JP62000465A | ||||
| JP2001117201A |
Foreign References:
| WO2008035533A1 | ||||
| DE4122563A1 |
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes