| 摘要 |
PURPOSE: A salt for dye is provided to enhance spectral concentration showing color depth of unit concentrate and to use the dye for a color filter. CONSTITUTION: A salt of formula (0) contains anion of formula (A1) and cation of formula (A2). The anion (A1) is selected according to the color of a target color filter. The salt containing the anion (A1) is enough dissolved in a solvent. |
