An image forming material includes a perimidine-substituted squarylium dye that has a structure represented by the following formula (I) and shows diffraction peaks at least at Bragg angles (2θ±0.2°) of 17.7°, 19.9°, 22.1°, 23.2° and 24.9° in its X-ray powder diffraction spectrum measured by irradiation with X rays generated from a Cu target with a wavelength of 1.5405 angstroms:
COMPOSITION, FILM, NEAR INFRARED CUT FILTER, SOLID-STATE IMAGING ELEMENT, IMAGE DISPLAY DEVICE, AND INFRARED SENSOR
申请人:FUJIFILM Corporation
公开号:US20200319548A1
公开(公告)日:2020-10-08
A composition includes a near infrared absorbing pigment and a solvent, in which the near infrared absorbing pigment is at least one selected from a colorant compound which has a cation and an anion in the same molecule, a colorant compound which is a salt of a cationic chromophore and a counter anion, and a colorant compound which is a salt of an anionic chromophore and a counter cation, a D50 particle size in which a cumulative volume in a particle size distribution of particle sizes of the near infrared absorbing pigment is 50% is 100 nm or lower, and d values of Hansen solubility parameters of the near infrared absorbing pigment and the solvent satisfy a predetermined expression.