Title:
OPTICAL FILTER
Document Type and Number:
WIPO Patent Application WO/2023/210475
Kind Code:
A1
Abstract:
The present invention relates to an optical filter comprising an absorber formed from an inorganic material containing ytterbium, an absorbing layer containing a dye having the maximum absorption wavelength between 350 nm and 1200 nm and a resin, and a dielectric multilayer film.
Inventors:
NAKAYAMA MOTOSHI (JP)
SAKAGAMI TAKAHIRO (JP)
NAGATA TAKASHI (JP)
SHIONO KAZUHIKO (JP)
SAKAGAMI TAKAHIRO (JP)
NAGATA TAKASHI (JP)
SHIONO KAZUHIKO (JP)
Application Number:
PCT/JP2023/015700
Publication Date:
November 02, 2023
Filing Date:
April 19, 2023
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
G02B5/22; C03C4/08; C09K3/00; G02B5/26; G02B5/28; G03B11/00
Domestic Patent References:
| WO2022075291A1 | 2022-04-14 | |||
| WO2011114792A1 | 2011-09-22 | |||
| WO2018155634A1 | 2018-08-30 |
Foreign References:
| JPH06128519A | 1994-05-10 | |||
| JPH06183778A | 1994-07-05 | |||
| JP2017216678A | 2017-12-07 | |||
| JP2018188353A | 2018-11-29 | |||
| JPS5936280A | 1984-02-28 |
Attorney, Agent or Firm:
EIKOH, P.C. (JP)
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