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US 2015/0311244 A1Published application
Near-infrared-absorbing composition, near-infrared cut-off filter using same, camera module, and manufacturing method therefor
AssigneeFUJIFILM Corporation
InventorsTakashi KAWASHIMA, Hidenori TAKAHASHI, Toshihide EZOE
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Abstract
A near-infrared-absorbing composition includes a copper compound and a compound having a partial structure represented by Formula (1) described below and the content of the copper compound is in a range of 3×10−3 mol to 1 mol in relation to 1 g of the compound having the partial structure represented by Formula (1) described below, in Formula (1), R1 represents a hydrogen atom or an organic group.
Claims18
A near-infrared-absorbing composition, comprising:
- a copper compound;
- and
- a compound having a partial structure represented by Formula (1) described below,
- wherein a content of the copper compound is in a range of 3×10−3 mol to 1 mol in relation to 1 g of the compound having the partial structure represented by Formula (1) described below,
- in Formula (1), R1 represents a hydrogen atom or an organic group.
2 more elements
A near-infrared-absorbing composition, comprising:
- a copper compound;
- and
- a compound having a partial structure represented by Formula (1)′ described below and no anionic group,
- in Formula (1)′, R2 represents a hydrogen atom or an organic group.
1 more element
Dependencies are inferred from the claim text.