Invention Grant
- Patent Title: Near-infrared-absorbing composition, near-infrared cut-off filter using same, manufacturing method therefor, camera module, and manufacturing method therefor
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Application No.: US14753189Application Date: 2015-06-29
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Publication No.: US09618666B2Publication Date: 2017-04-11
- Inventor: Takashi Kawashima , Seiichi Hitomi , Hidenori Takahashi , Yuki Nara , Seongmu Bak
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: JP2013-030487 20130219; JP2013-153991 20130724
- Main IPC: G02B5/20
- IPC: G02B5/20 ; C07F1/08 ; H04N5/225 ; H04N5/33 ; C08F2/44 ; C08K5/42 ; C08L63/00 ; G02B5/22 ; C08K5/00 ; H01L27/146
Abstract:
An object of the present invention is to provide a near-infrared-absorbing composition capable of forming a cured film having excellent heat resistance while maintaining strong near-infrared shielding properties when a cured film is produced. The near-infrared-absorbing composition of the present invention includes a copper complex obtained by reacting two or more kinds of sulfonic acids represented by General Formula (I) described below or salts thereof with a copper component and a solvent.
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