Title:
赤外光カットフィルター、固体撮像素子用フィルター、固体撮像素子、および、固体撮像素子用フィルターの製造方法
Document Type and Number:
Japanese Patent JP7459468
Kind Code:
B2
Abstract:
To provide an infrared light cut filter, a filter for a solid-state imaging element, a solid-state imaging element, and a method of manufacturing the filter for the solid-state imaging element, capable of suppressing reduction in absorbance of infrared light.SOLUTION: An infrared light cut filter includes: an expanded phthalocyanine represented by the formula (1); and a specific acrylic polymer containing an aromatic ring in a side chain.SELECTED DRAWING: None
Inventors:
Reiko Iwata
Yuri Hirai
Kazushige Kitazawa
Hiroyuki Kayane
Yuri Hirai
Kazushige Kitazawa
Hiroyuki Kayane
Application Number:
JP2019168814A
Publication Date:
April 02, 2024
Filing Date:
September 17, 2019
Export Citation:
Assignee:
TOPPAN Holdings Co., Ltd.
International Classes:
G02B5/22; C09B47/04; C09B67/20; C09K3/00
Domestic Patent References:
| JP2015034147A | ||||
| JP2013155353A | ||||
| JP2011242751A | ||||
| JP2005084476A |
Foreign References:
| WO2017002920A1 | ||||
| WO2018168231A1 | ||||
| WO2018043185A1 | ||||
| WO2019058882A1 | ||||
| US20110204234 |
Attorney, Agent or Firm:
Makoto Onda
Hironobu Onda
Hironobu Onda
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