Negative-type photosensitive resin composition, cured film, element and display apparatus that include cured film, production method for the same

A negative-type photosensitive resin composition, comprising:

• an (A1) first resin, an (A2) second resin, a (B) radical polymerizable compound, a (C) photopolymerization initiator, and a (D1) pigment as a (D) coloring agent, wherein
• the (A1) first resin is an (A1-1) polyimide and/or an (A1-2) polybenzo-oxazole,
• the (A2) second resin is one or more species selected from an (A2-1) polyimide precursor, an (A2-2) polybenzo-oxazole precursor, an (A2-3) polysiloxane, an (A2-4) cardo based resin, and an (A2-5) acrylic resin,
• the (A2-1) polyimide precursor contains a structural unit represented by the following general formula (3),
• the (A1) first resin content ratio in a total of 100 mass % of the (A1) first resin and the (A2) second resin is within a range of 25 to 90 mass %, and
• the (D1) pigment content ratio in the entire solid content of the negative photosensitive resin composition is within a range of 5 to 70 mass %,
• wherein general formula (3) follows,
• wherein
• R9 represents an organic group which may include a halogen and/or alkoxy substituent having a valence of 4 to 10,
• R10 represents an organic group which may include a halogen and/or alkoxy substituent having a valence of 2 to 10,
• R11 represents a substituent represented by general formula (5) or general formula (6) below,
• R12 represents a phenolic hydroxyl group, a sulfonic group, or a mercapto group,
• R13 represents a phenolic hydroxyl group, a sulfonic group, a mercapto group, or a substituent represented by general formula (5) or general formula (6) below,
• t represents an integer of 2 to 8, u represents an integer of 0 to 6, and v represents an integer of 0 to 8, and 2≤t+u≤8,
• wherein general formulas (5) and (6) follow,
• in general formula (5),
• R19 represents an alkyl group having a carbon number of 1 to 10, an acyl group having a carbon number of 2 to 6, or an aryl group having a carbon number of 6 to 15, and in general formula (6),
• R20 and R21 each independently represents hydrogen, an alkyl group having a carbon number of 1 to 10, an acyl group having a carbon number of 2 to 6, or an aryl group having a carbon number of 6 to 15,
• wherein the one or more species selected from the (A1-1) polyimide, the (A1-2) polybenzo-oxazole, the (A2-1) polyimide precursor, and the (A2-2) polybenzo-oxazole precursor contain a structural unit originating from an amine having an oxyalkylene structure and/or a structural unit originating from an amine derivative having an oxyalkylene structure.