Xanthene-based compound and photosensitive resin composition comprising same

A compound represented by Chemical Formula 1:

• wherein, in the Chemical Formula 1,
• R1 to R6 are each independently selected from the group consisting of hydrogen;
• deuterium;
• a halogen group;
• a nitro group;
• a substituted or unsubstituted linear or branched alkyl group having 1 to 30 carbon atoms;
• a substituted or unsubstituted alkoxy group having 1 to 30 carbon atoms;
• a substituted or unsubstituted monocyclic or polycyclic aryl group having 6 to 30 carbon atoms;
• and a substituted or unsubstituted monocyclic or polycyclic heteroaryl group having 2 to 30 carbon atoms;
• R7 to R11 are the same as or different from each other, and each independently selected from the group consisting of hydrogen;
• deuterium;
• —OH;
• —SO3−;
• —SO3H;
• —SO3−Z+;
• —COO−;
• —COOH;
• —COO−Z+;
• —COORa;
• —SO3Rb;
• —SO2NRcRd;
• SO2NHRe;
• a substituted or unsubstituted linear or branched alkyl group having 1 to 30 carbon atoms;
• a substituted or unsubstituted monocyclic or polycyclic aryl group having 6 to 30 carbon atoms;
• and a substituted or unsubstituted monocyclic or polycyclic heteroaryl group having 2 to 30 carbon atoms;
• Z+ represents +N(Rf)4, Na+ or K+;
• Ra to Rf are each independently selected from the group consisting of a substituted or unsubstituted linear or branched alkyl group having 1 to 30 carbon atoms;
• a substituted or unsubstituted monocyclic or polycyclic aryl group having 6 to 30 carbon atoms;
• and a substituted or unsubstituted monocyclic or polycyclic heteroaryl group having 2 to 30 carbon atoms;
• Rc and Rd bond to each other to form a monocyclic or polycyclic heteroring having 3 to 10 carbon atoms including a nitrogen atom;
• Rfs are the same as or different from each other;
• at least one of R7 to R11 is —SO3−;
• —SO3H;
• —SO3−Z+;
• —SO3Rb;
• —SO2NRcRd;
• or —SO2NHRe;
• R12 to R14 are the same as or different from each other, and each independently selected from the group consisting of hydrogen;
• deuterium;
• a substituted or unsubstituted linear or branched alkyl group having 1 to 30 carbon atoms;
• a substituted or unsubstituted monocyclic or polycyclic aryl group having 6 to 30 carbon atoms;
• a substituted or unsubstituted monocyclic or polycyclic heteroaryl group having 2 to 30 carbon atoms;
• and a substituted or unsubstituted sulfide group;
• R13 and L1 bond to each other to form a monocyclic or polycyclic ring including a nitrogen atom;
• a is an integer of 0 or 1;
• X is an anionic group;
• R15 is selected from the group consisting of a substituted or unsubstituted monocyclic or polycyclic aryl group having 6 to 30 carbon atoms;
• and a substituted or unsubstituted monocyclic or polycyclic heteroaryl group having 2 to 30 carbon atoms;
• L1 and L2 are selected from the group consisting of a direct bond;
• a substituted or unsubstituted linear or branched alkylene group having 1 to 30 carbon atoms;
• —NH—;
• —O—;
• —COO—;
• —OCO—;
• —NHCO—;
• —CONH—;
• —NR—;
• —NRCO—;
• -L3-NH-L4-;
• -L3-O-L4-;
• -L3-COO-L4-;
• -L3-OCO-L4-;
• -L3-NHCO-L4-;
• -L3-CONH-L4-;
• -L3-NR-L4-;
• and -L3-NRCO-L4-;
• L3 and L4 are a substituted or unsubstituted linear or branched alkylene group having 1 to 30 carbon atoms;
• and
• R is selected from the group consisting of a substituted or unsubstituted linear or branched alkyl group having 1 to 30 carbon atoms;
• a substituted or unsubstituted monocyclic or polycyclic aryl group having 6 to 30 carbon atoms;
• and a substituted or unsubstituted monocyclic or polycyclic heteroaryl group having 2 to 30 carbon atoms.