Patent ID: 11914172
Assignee: FUJIFILM CORPORATION
Field: Optics (Instruments)
Classification: CPC G  B  F | IPC B  G

Claim 0:
1. A light absorbing material-containing film comprising:
a light absorbing material-containing layer that has a plurality of cylindrical or polygonal prism-shaped resin portions discretely disposed and a light absorption region contain light absorbing bodies and formed between the plurality of resin portions;
a first substrate film that is laminated on one main surface of the light absorbing material-containing layer; and
a second substrate film that is laminated on the other main surface of the light absorbing material-containing layer,
wherein the light absorption region contains a plurality of types of phosphors having different absorption wavelengths that serve as the light absorbing body, and a binder,
the light absorption region and a part of the plurality of resin portions are exposed at a side surface of the light absorbing material-containing layer,
the plurality of resin portions have a Young's modulus of 0.5 to 10 GPa,
the plurality of cylindrical or polygonal prism-shaped resin portions are disposed such that a height direction of the plurality of resin portions is a thickness direction of the light absorbing material-containing layer,
an amount ratio of the plurality of types of phosphors is constant in a plane of the light absorption region, and
an in-plane tint distribution of the light absorbing material-containing film satisfies Formula (1),

0.002<ymax−ymin<0.2  Formula (1)

where ymax and ymin respectively represent a maximum value and a minimum value of a CIE y value in a measurement of an in-plane tint of the light absorbing material-containing film.