ABSTRACT

Phosphors widely used at present are organic materials such as thioflavine (yellow luminescence), fluoreceine (yellow), eosine (red), and rhodamine 6G (red) (see Chapter 8). They all have strong ultraviolet absorption and high luminous efficiency. These phosphors are first dispersed in a polymer such as acryl, alkyd, or melamine resins, then crushed and 1 blended with compounds necessary to make an phosphor-containing ink.1