Near infrared radiation-absorbing composition, near infrared radiation cut-off filter and production method therefor, and camera module and production method therefor
AssigneeFUJIFILM Corporation
InventorsSeiichi HITOMI, Takeshi INASAKI
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Abstract
Provided are a near infrared radiation-absorbing composition capable of forming a cured film having excellent heat resistance while maintaining high near infrared radiation-shielding properties, a near infrared radiation cut-off filter and a production method therefor, and a camera module and a production method therefor. The near infrared radiation-absorbing composition includes a copper compound obtained from a reaction between a siloxane (A1) having an acid group or a salt thereof and a copper component.
Claims17
A near infrared radiation-absorbing composition comprising:
- a copper compound obtained from a reaction between a siloxane (A1) having an acid group or a salt thereof and a copper component.
A near infrared radiation-absorbing composition comprising:
- a copper complex in which an acid group ion site in a siloxane (A2) having an acid group ion is used as a ligand.
A method for manufacturing a near infrared radiation-absorbing composition comprising:
- reacting a siloxane (A1) having an acid group or a salt thereof with a copper component.
Dependencies are inferred from the claim text.