| abstract |
(57) Abstract: Provided are fluorescent resin fine particles having an average particle diameter of 90 nm or less, which are useful as organic fluorescent pigments, and uses thereof. Further, an industrially advantageous method for producing fluorescent resin fine particles is provided. (1) A fluorescent resin fine particle having an average particle diameter of 90 nm or less, comprising resin particles containing an organic fluorescent substance, (2) an organic fluorescent pigment comprising the fluorescent resin fine particles, (3) at least: A colored mini-emulsion is formed by dispersing and emulsifying a monomer, an organic fluorescent substance soluble in the monomer, a surfactant and a co-surfactant in water, and then performing polymerization in the presence of a polymerization initiator. |