Patent ID: 8669038
Filing Date: 2014-03-11
Classification: C08G,C08L,G03F,Y10S

Abstract:
1. A photosensitive polyimide-based polymer comprising at least one compound selected from the group consisting of compound represented by Formula 1: wherein each Z is a tetravalent organic group derived from one or more tetracarboxylic acids, including 3,4-dicarboxy-1,2,3,4-tetrahydro-6-tert-butyl-1-naphthalene succinic dianhydride (DTBDA), or derivatives thereof, a is from 1 to 150, b is from 1 to 400, Y and Y 2 is a divalent aliphatic group or aromatic organic group derived from a diamine; a compound represented by Formula 2: wherein Z is as defined in Formula 1, Y a compound represented by Formula 3: wherein Z is as defined in Formula 1, Y