Title:
PHOTOSENSITIVE COLORING COMPOSITION OF COLOR FILTER FOR SOLID-STATE IMAGING ELEMENTS, COLOR FILTER, AND SOLID-STATE IMAGING ELEMENT USING THE SAME
Document Type and Number:
Japanese Patent JP2022113705
Kind Code:
A
Abstract:
To provide a photosensitive coloring composition used in a color filter for solid-state imaging elements, which has excellent heat resistance and is free of foreign matter, and which is suitable for CF pixel formation by photolithography, and a color filter and a solid-state imaging element using this coloring composition.SOLUTION: Provided is a photosensitive coloring composition used in a color filter for solid-state imaging elements, said composition including a colorant (A), a binder resin (B), a photoinitiator (C), and a photopolymerizable monomer (D), the colorant (A) containing a diketopyrrolopyrrole pigment (A1) expressed by chemical formula (1) and one or more organic pigments (A2), with the pigment (A1) accounting for 20 mass% to 95 mass% with respect to the total amount of the colorant (A), and the photopolymerizable monomer (D) including an oxime ester initiator.SELECTED DRAWING: None
Inventors:
WAKU TOSHIO
Application Number:
JP2022082869A
Publication Date:
August 04, 2022
Filing Date:
May 20, 2022
Export Citation:
Assignee:
TOYO INK SC HOLDINGS CO LTD
International Classes:
G02B5/20; C08K5/33; C08K5/3415; C08L101/00; C09B25/00; C09B57/00; C09B67/20; C09B67/22; G03F7/004; H01L27/146
Domestic Patent References:
| JP2012211970A | 2012-11-01 | |||
| JP2017201003A | 2017-11-09 |