Title:
COMPOSITION, OPTICAL FILTER, AND SOLID-STATE IMAGING ELEMENT
Document Type and Number:
WIPO Patent Application WO/2024/070371
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a composition capable of forming an optical filter that has fewer aggregates. The present invention relates to a composition comprising a near-infrared absorbing dye, an alkali-soluble resin, and a solvent, wherein the near-infrared absorbing dye comprises a compound represented by formula (I). (In formula (I), R1, R4, R5, and R8 each independently represent a C1-20 hydrocarbon group or the like; R2, R3, R6, and R7 each independently represent a hydrogen atom or the like; R9, R10, and R11 each independently represent a C1-20 hydrocarbon group, and if two or more R11 moieties are present, said moieties may be the same or different; X1-X4 each independently represent a hydrogen atom or the like; Y1-Y8 each independently represent a hydrogen atom or the like; and R12 represents a C1-5 alkyl group, and if two or more R12 moieties are present, said moieties may be the same or different)
Inventors:
ASATSU YUJI (JP)
HAMAKI HIROFUMI (JP)
MIYAZAWA TAKU (JP)
HAMAKI HIROFUMI (JP)
MIYAZAWA TAKU (JP)
Application Number:
PCT/JP2023/030666
Publication Date:
April 04, 2024
Filing Date:
August 25, 2023
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C09B67/20; C07D471/06; C09B57/00; C09K3/00; G02B5/22
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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