Polymer resin compound and photosensitive resin composition for black bank comprising same

A polymer resin compound comprising a repeating unit of the following Chemical Formula 1:

• wherein,
• A1 and A2 are the same as or different from each other, and each independently a substituted or unsubstituted carbamate group;
• or a hydroxyl group;
• when any one of A1 and A2 is a hydroxyl group, the other is a substituted or unsubstituted carbamate group;
• Y1 and Y2 are the same as or different from each other, and each independently a substituted or unsubstituted alkylene group having 1 to 3 carbon atoms;
• a substituted or unsubstituted ethylene oxide group;
• or a substituted or unsubstituted propylene oxide group;
• Z is a substituted or unsubstituted divalent alkyl group;
• substituted or unsubstituted divalent cyclohexane;
• substituted or unsubstituted divalent cyclohexyne;
• or substituted or unsubstituted divalent benzene;
• R1 to R10 are the same as or different from each other, and each independently hydrogen;
• deuterium;
• a halogen group;
• a substituted or unsubstituted alkyl group having 1 to 10 carbon atoms;
• a substituted or unsubstituted cycloalkyl group having 3 to 10 carbon atoms;
• a substituted or unsubstituted silyl group;
• a substituted or unsubstituted phosphine oxide group;
• a substituted or unsubstituted aryl group;
• or a substituted or unsubstituted heterocyclic group;
• r1 to r4 are each independently an integer of 1 to 4;
• when r1 to r4 are each 2 or greater, structures in the parentheses are each the same as or different from each other;
• n is from 2 to 5,000;
• and
• when n is 2 or greater, structures in the parentheses are the same as or different from each other.