Black isoindolinone pigment and coloring agent
AssigneeDainichiseika Color & Chemicals Mfg. Co., Ltd.
InventorShuwa Ozako
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Abstract
Provided is an infrared-reflecting black isoindolinone pigment having a novel skeleton, the black isoindolinone pigment having a high blackness (coloring power) and excellent durability such as heat resistance. The black isoindolinone pigment is represented by the following formula (1), wherein each X independently represents a chlorine atom, a bromine atom, or an alkyl group, and 8≥n+m≥0.
Claims4
A black matrix for a color filter, wherein the black matrix comprises a black isoindolinone pigment represented by following formula (1-2) or (1-3):
A light shielding film comprising a black isoindolinone pigment represented by following formula (1-2) or (1-3):
A plastic product for use in laser resin welding, wherein the plastic product comprises a black isoindolinone pigment represented by following formula (1-2) or (1-3):
A color filter comprising a black matrix,
- wherein the black matrix comprises a black isoindolinone pigment represented by following formula (1-2) or (1-3):
Dependencies are inferred from the claim text.