BLACK MATERIAL, BLACK LIGHT-SHIELDING FILM, BLACK PARTICLE DISPERSION LIQUID, SUBSTRATE WITH BLACK LIGHT-SHIELDING FILM, AND MANUFACTURING METHOD OF BLACK LIGHT-SHIELDING FILM

摘要

PROBLEM TO BE SOLVED: To provide a black material and black light-shielding film having high blackness, excellent light shielding properties and heat resistance, low environmental load and a low cost, and to provide a black particle dispersion liquid, a substrate with black light-shielding film, and a manufacturing method of black light-shielding film. SOLUTION: The black material of the present invention is characterized by having an Sn fine particle 2, as a core, covered with a fine outer layer 3 consisting of either one of an Ag-Sn alloy, Ag and an Ag-Sn alloy and consisting of a core shell particle 1 having an average particle size of≥1 nm and≤300 nm. COPYRIGHT: (C)2007,JPO&INPIT