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Title:
WAVELENGTH CONVERSION FILM FORMING COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/100809
Kind Code:
A1
Abstract:
A wavelength conversion film forming composition comprising (A) a phosphor represented by formula (1) and (B) a binder is provided as a wavelength conversion film forming composition capable of providing a wavelength conversion film having an excellent wavelength conversion efficiency and excellent durability. (In the formula, Ar1 and Ar2 independently represent an aromatic ring that may have a substituent; R1 and R2 independently represent a hydrogen atom, an alkyl group that may have a substituent, a cycloalkyl group that may have a substituent, an aryl group that may have a substituent, or a heteroaryl group that may have a substituent; R1 and R2 may be bound to each other to form a ring in conjunction with a nitrogen atom adjacent to these residues; one or both of R1 and R2 may be bound to Ar2 to form a ring in conjunction with a nitrogen atom adjacent to these residues; and one of Y1 and Y2 represents -SO2- and the other represents -S- or -SO2-.)

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Inventors:
YUKAWA SHOJIRO (JP)
KAMIYAMA TOSHIHIKO (JP)
Application Number:
PCT/JP2022/043769
Publication Date:
June 08, 2023
Filing Date:
November 28, 2022
Export Citation:
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Assignee:
NISSAN CHEMICAL CORP (JP)
International Classes:
G02B5/20; C08K3/22; C08K5/45; C08L101/00; C09D4/00; C09D7/41; C09D7/61; C09D201/00; C09K11/06; G02B5/02; G03F7/004
Domestic Patent References:
WO2019181698A12019-09-26
WO2018159848A12018-09-07
Foreign References:
JP2021076790A2021-05-20
JP2011241160A2011-12-01
JP2004263179A2004-09-24
JP2022143648A2022-10-03
Other References:
TAKI MASAYASU, KAJIWARA KEIJI, YAMAGUCHI ERIKO, SATO YOSHIKATSU, YAMAGUCHI SHIGEHIRO: "Fused Thiophene- S , S -dioxide-Based Super-Photostable Fluorescent Marker for Lipid Droplets", ACS MATERIALS LETTERS, vol. 3, no. 1, 4 January 2021 (2021-01-04), pages 42 - 49, XP093069921, ISSN: 2639-4979, DOI: 10.1021/acsmaterialslett.0c00451
Attorney, Agent or Firm:
PATENT ATTORNEY CORPORATION EI-MEI PATENT OFFICE (JP)
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