| 摘要 |
The invention provides a colorant, a coloring composition, a color filter and a display device. The coloring composition can form a good coloring layer when using dye as a colorant and comprises the following ingredients of: (A) a dye colorant represented by the following formula (1), (B) a binder resin and (C) a cross-linking agent, wherein in the formula (1), X-represents a negative ion, a is an integer for determining electric neutrality of the composition, m is an integer from 0-5, R1-R4 respectively represent one-valent aromatic hydrocarbon group, etc. with a carbon number from 6-10, R5 respectively represent -SO3-,etc., R6 represents one-valent saturated hydrocarbon, R7 represents one-valent alkyl, etc., R8 and R9 respectively represent one-valent saturated aliphatic alkyl, etc.,R10 represents one-valent alkyl, etc., R11 represents one-valent alkyl, etc., Q represents represent one-valent aromatic hydrocarbon group, etc. with a carbon number from 6-10, and M represents sodium atoms, etc. The composition meet specific requirements. |
