Title:
OPTICAL FILTER
Document Type and Number:
WIPO Patent Application WO/2024/048512
Kind Code:
A1
Abstract:
The present invention relates to an optical filter comprising a dielectric multilayer film 1, a resin film, a phosphate glass, and a dielectric multilayer film 2 in the stated order, wherein the resin film includes a resin and a near-infrared-absorbing pigment that has a maximum absorption wavelength of 690-800 nm in the resin, the resin film has a thickness of 10 µm or less, and the optical filter satisfies all of specific spectral characteristics (i-1) through (i-8).
Inventors:
SAKAGAMI TAKAHIRO (JP)
NAGATA TAKASHI (JP)
SHIONO KAZUHIKO (JP)
ORITA YUICHIRO (JP)
NAGATA TAKASHI (JP)
SHIONO KAZUHIKO (JP)
ORITA YUICHIRO (JP)
Application Number:
PCT/JP2023/030945
Publication Date:
March 07, 2024
Filing Date:
August 28, 2023
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
G02B5/22; G02B5/26; G02B5/28
Domestic Patent References:
| WO2019111638A1 | 2019-06-13 |
Foreign References:
| JP2021015269A | 2021-02-12 | |||
| JP2019028162A | 2019-02-21 | |||
| JP2019028163A | 2019-02-21 | |||
| JP2019200399A | 2019-11-21 |
Attorney, Agent or Firm:
EIKOH, P.C. (JP)
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