Title:
光学フィルターおよび光学センサー装置
Document Type and Number:
Japanese Patent JP7293875
Kind Code:
B2
Abstract:
To provide an optical filter which offers a superior blocking property for visible rays even when incident angle is large, and two or more different passbands in the near-infrared region.SOLUTION: An optical filter provided herein comprises a resin layer containing a compound (Z) having an absorption maximum in a wavelength range of 700-1000 nm and a dielectric multilayer film, has two or more passbands in the near-infrared region, and is configured to block visible rays.SELECTED DRAWING: None
Inventors:
Katsuya Nagaya
Masako Horiuchi
Masako Horiuchi
Application Number:
JP2019102362A
Publication Date:
June 20, 2023
Filing Date:
May 31, 2019
Export Citation:
Assignee:
JSR Corporation
International Classes:
G02B5/22; G01J1/02; G01J1/04; G02B5/26; G02B5/28
Domestic Patent References:
| JP2019049586A | ||||
| JP2018120192A | ||||
| JP2015184627A | ||||
| JP2012513986A | ||||
| JP2000026748A |
Foreign References:
| WO2017213047A1 | ||||
| WO2017094858A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation SS International Patent Office
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