Title:
OPTICAL FILTER
Document Type and Number:
WIPO Patent Application WO/2024/048510
Kind Code:
A1
Abstract:
The present invention relates to an optical filter which is provided with a base material, an antireflection layer 1 that is formed of a dielectric multilayer film, and an antireflection layer 2 that is formed of a dielectric multilayer film, wherein: the base material comprises a near-infrared absorbing glass and a resin film that is superposed on at least one main surface of the near-infrared absorbing glass; the resin film contains a resin, a UV dye that has a maximum absorption wavelength of 350 to 410 nm in the resin, and an IR dye that has a maximum absorption wavelength of 700 to 850 nm in the resin; and the optical filter satisfies all of the specific spectral characteristics (i-1) to (i-7).
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Inventors:
ORITA YUICHIRO (JP)
SHIONO KAZUHIKO (JP)
NAGATA TAKASHI (JP)
SAKAGAMI TAKAHIRO (JP)
SHIONO KAZUHIKO (JP)
NAGATA TAKASHI (JP)
SAKAGAMI TAKAHIRO (JP)
Application Number:
PCT/JP2023/030941
Publication Date:
March 07, 2024
Filing Date:
August 28, 2023
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
G02B5/22; C09B23/04; C09B23/10; C09B23/14; C09B57/00; G02B1/113
Domestic Patent References:
| WO2022024826A1 | 2022-02-03 | |||
| WO2022065678A1 | 2022-03-31 |
Foreign References:
| JP2019066746A | 2019-04-25 | |||
| JP2010059235A | 2010-03-18 | |||
| JP2009209126A | 2009-09-17 |
Attorney, Agent or Firm:
EIKOH, P.C. (JP)
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