Compound, binder resin, negative-type photosensitive resin composition, and display device comprising black bank formed using same
The present application relates to a compound of Chemical Formula 1, a binder resin, a negative-type photosensitive resin composition, and a display apparatus including a black bank formed using the same.
1 . A compound of the following Chemical Formula 1:
wherein, in the Chemical Formula 1,
R0 and R1 are the same as or different from each other, and each independently hydrogen; or —(C═O) R′;
R′ is a substituted or unsubstituted aryl group;
L2s are the same as or different from each other and each independently is a substituted or unsubstituted alkylene group; a substituted or unsubstituted cycloalkylene group; or a substituted or unsubstituted arylene group;
a is 2 or 3;
n is an integer of 1 to 10;
L1 and L3 are the same as or different from each other, and each independently include at least one of linking groups of the following Chemical Formulae 2 and 4; and
at least one of L1 and L3 is a linking group represented by the Chemical Formula 4,
in the Chemical Formulae 2 and 4,
means a part linked to Chemical Formula 1;
M1, M2, M5, M6 and L4 are the same as or different from each other, and each independently a substituted or unsubstituted alkylene group;
R11, R12 and R14 are the same as or different from each other, and each independently hydrogen; or a substituted or unsubstituted alkyl group; and
r11 and r12 are each an integer of 0 to 4, and when r11 is 2 or greater, R11s are the same as or different from each other, and when r12 is 2 or greater, R12s are the same as or different from each other.
2 . The compound of claim 1 , wherein (L2)a in the Chemical Formula 1 is the following Chemical Formula 5 or 6:
in the Chemical Formulae 5 and 6,
means a part linked to the Chemical Formula 1;
L5 and L6 are the same as or different from each other, and each independently a substituted or unsubstituted alkylene group;
R5, R61 and R62 are the same as or different from each other, and each independently hydrogen; or a substituted or unsubstituted alkyl group;
r5 is an integer of 0 to 10, and when r5 is 2 or greater, R5s are the same as or different from each other;
r61 is an integer of 0 to 4, and when r61 is 2 or greater, R61s are the same as or different from each other; and
r62 is an integer of 0 to 4, and when r62 is 2 or greater, R62s are the same as or different from each other.
3 . The compound of claim 1 , wherein L1 in the Chemical Formula 1 is the linking group of Chemical Formula 2, and L3 in the formula 1 is the linking group of Chemical Formula 4.
4 . The compound of claim 1 , wherein M1, M2, M5 and M6 in the Chemical Formulae 2 and 4 are the same as or different from each other, and each independently a substituted or unsubstituted methylene group.
5 . The compound of claim 1 , wherein L4 in the Chemical Formula 4 is a propylene group substituted with a hydroxyl group.
6 . A binder resin comprising the compound of claim 1 .
7 . The binder resin of claim 6 , wherein the binder resin has a weight average molecular weight of 2,000 g/mol to 10,000 g/mol.
8 . A negative-type photosensitive resin composition comprising:
the binder resin of claim 6 ;
a pigment dispersion:
a multifunctional monomer;
a photoinitiator; and
a solvent.
9 . The negative-type photosensitive resin composition of claim 8 , further comprising a surfactant.
10 . The negative-type photosensitive resin composition of claim 8 , wherein the pigment dispersion includes a black organic pigment.
11 . The negative-type photosensitive resin composition of claim 8 , comprising:
the binder resin in 10 parts by weight to 30 parts by weight;
the pigment dispersion in 10 parts by weight to 35 parts by weight;
the multifunctional monomer in 1 parts by weight to 30 parts by weight;
the photoinitiator in 0.5 parts by weight to 10 parts by weight; and
the solvent in 30 parts by weight to 70 parts by weight,
based on 100 parts by weight of the negative-type photosensitive resin composition.
12 . A black bank formed from the negative-type photosensitive resin composition of claim 8 .
13 . A display apparatus comprising the black bank of claim 12 .