Negative type colored photosensitive resin composition, cured film, element, and display device
申请人:TORAY INDUSTRIES, INC.
公开号:US10324376B2
公开(公告)日:2019-06-18
The present invention provides a negative type colored photosensitive resin composition that serves to produce a cured film having a forward tapered shape. This negative type colored photosensitive resin composition includes an alkali-soluble resin (A), a photo initiator (B), a photo polymerizable compound (C), and a coloring agent (D), the alkali-soluble resin (A) containing a polyimide precursor, polybenzoxazole precursor, and/or a copolymer thereof (A-1), each resin (A-1) having a trifluoromethyl group in the backbone chain.
本发明提供了一种负型彩色感光树脂组合物,可用于生产具有前锥形的固化薄膜。这种负型彩色感光树脂组合物包括碱溶性树脂(A)、光引发剂(B)、光聚合化合物(C)和着色剂(D),碱溶性树脂(A)含有聚酰亚胺前体、聚苯并恶唑前体和/或其共聚物(A-1),每种树脂(A-1)的骨架链中都有一个三氟甲基。