Title:
LIGHT ABSORPTION FILTER, OPTICAL FILTER AND METHOD FOR PRODUCING SAME, ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE, INORGANIC ELECTROLUMINESCENT DISPLAY DEVICE AND LIQUID CRYSTAL DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/234353
Kind Code:
A1
Abstract:
The present invention provides: a light absorption filter which contains a resin, a dye that has a main absorption wavelength range of 400 nm to 700 nm, while containing at least one of a specific azo dye represented by one of general formulae (i) to (iv) and a specific indoaniline dye represented by general formula (v), and a compound which generates radicals upon irradiation of ultraviolet light; an optical filter which uses this light absorption filter, and a method for producing this optical filter; and an organic electroluminescent display device, an inorganic electroluminescent display device and a liquid crystal display device, each of which comprises this optical filter.
Inventors:
FUKAGAWA NOBUTAKA (JP)
SASAKI DAISUKE (JP)
SASAKI DAISUKE (JP)
Application Number:
PCT/JP2023/020289
Publication Date:
December 07, 2023
Filing Date:
May 31, 2023
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
G02B5/23; C09B53/02; C09B67/20; C09B67/22; G02B5/20; G02B5/22; G02F1/1335; G09F9/00; G09F9/30; H05B33/02; H05B33/12; H05B33/14; H10K50/10; H10K59/00
Domestic Patent References:
| WO2021132674A1 | 2021-07-01 | |||
| WO2022065320A1 | 2022-03-31 |
Foreign References:
| JP2000347341A | 2000-12-15 | |||
| JP2001051371A | 2001-02-23 | |||
| JPH06347632A | 1994-12-22 | |||
| JP2010052403A | 2010-03-11 | |||
| JPH0292686A | 1990-04-03 | |||
| JP2010001469A | 2010-01-07 | |||
| JPH04241994A | 1992-08-28 | |||
| JPH05238169A | 1993-09-17 | |||
| JPH05173016A | 1993-07-13 |
Attorney, Agent or Firm:
IIDA & PARTNERS et al. (JP)
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