| abstract |
(57) [Summary] [Purpose] To improve the coating properties of the phosphor such as the color mixing, color mixing, and residue properties. [Structure] Z is added via at least one water-soluble binder selected from the group consisting of gum arabic, gelatin, polymethacrylamide, and polyvinyl alcohol. A phosphor to which a metal alginate salt containing at least one metal selected from the group consisting of n, Al, and alkaline earth metals is attached. |