PIGMENT DISPERSANT, PIGMENT COMPOSITION FOR COLOR FILTERS, COLORING COMPOSITION, AND COLOR FILTER

• Main Authors: TATEISHI NAOYA, ABE YUTA, SUZUKI SHINYA, YAMAMOTO YUICHI
• Format: Patent
• Language: English; Japanese
• Published: 27.09.2021
• Subjects: ADHESIVES; APPARATUS SPECIALLY ADAPTED THEREFOR; CHEMISTRY; CINEMATOGRAPHY; DYES; ELECTROGRAPHY; HOLOGRAPHY; LAKES; MATERIALS THEREFOR; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; ORIGINALS THEREFOR; PAINTS; PHOTOGRAPHY; PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES,e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTORDEVICES; PHYSICS; POLISHES

To provide a pigment composition for color filters that has high brightness and high contrast and does not cause crystal deposition of a diketopyrrolopyrrole pigment in a heating process.SOLUTION: The present disclosure provides a diketopyrrolopyrrole pigment dispersant represented by the following formula, and a pigment composition containing the pigment dispersant and a pigment.SELECTED DRAWING: None 【課題】高明度かつ高コントラストであって、加熱工程によってもジケトピロロピロール系顔料の結晶析出が起こらないカラーフィルタ用顔料組成物を提供する。【解決手段】下記式で表されるジケトピロロピロール顔料分散剤、および該顔料分散剤と顔料とを含有する顔料組成物。【選択図】なし