Patent ID: 8257901

Claim:
A photosensitive polyimide-based polymer comprising at least one compound selected from the group consisting of compounds represented by Formulas 1 to 3: 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 1 is a divalent organic group derived from a diamine and is selected from and wherein Y 2 is a divalent aliphatic group or aromatic organic group derived from a diamine and is selected from the group consisting of aromatic diamines, such as p-phenylenediamine, m-phenylenediamine, 2,4,6-trimethyl-1,3-phenylenediamine, 2,3,5,6-tetramethyl-1,4-phenylenediamine, 4,4′-diaminodiphenyl ether, 3,4′-diaminodiphenyl ether, 3,3′-diaminodiphenyl ether, 4,4′-diaminodiphenyl sulfide, 4,4′-diaminodiphenylmethane, 3,4′-diaminodiphenylmethane, 3,3′-diaminodiphenylmethane, 4,4′-methylene-bis(2-methylaniline), 4,4′-methylene-bis(2,6-dimethylaniline), 4,4′-methylene-bis(2,6-diethylaniline), 4,4′-methylene-bis(2-isopropyl-6-methylaniline), 4,4′-methylene-bis(2,6-diisopropylaniline), 4,4′-diaminodiphenylsulfone, 3,3′-diaminodiphenylsulfone, benzidine, o-tolidine, m-tolidine, 3,3′,5,5′-tetramethylbenzidine, 2,2′-bis(trifluoromethyl)benzidine, 1,4-bis(4-aminophenoxy)benzene, 1,3-bis(4-aminophenoxy)benzene, 1,3-bis(3-aminophenoxy)benzene, bis[4-(4-aminophenoxy)phenyl]sulfone, bis[4-(3-aminophenoxy)phenyl]sulfone, 2,2-bis[4-(4-aminophenoxy)phenyl]propane, and 2,2-bis[4-(3-aminophenoxy)phenyl]propane; aliphatic diamines, such as 1,6-hexanediamine, 1,4-cyclohexanediamine, 1,3-cyclohexanediamine, 1,4-bis(aminomethyl)cyclohexane, 1,3-bis(aminomethyl)cyclohexane, 4,4′-diaminodicyclohexylmethane, 4,4′-diaminobenzanilide, 2,2-bis-[4-(4-aminophenoxy)phenyl]hexafluoropropane, 1,3-bis(3-aminopropyl)tetramethyldisiloxane, bis(p-aminophenoxy)dimethylsilane, diaminohexane, diaminododecane, 1,3-bis(4-aminophenoxy)benzene, 2,2-bis[4-(4-aminophenoxy)phenyl]propane, 1,1-bis(4-aminophenoxyphenyl)cyclohexane, bis[4-(4-aminophenoxy)phenyl]sulfone, 1,3-bis(3-aminophenoxy)benzene, 5-amino-1,3,3-trimethylcyclohexanemethylamine, 4,4′-bis(4-aminophenoxy)biphenyl, 1,1-bis(4-aminophenyl)cyclohexane, α,α′-bis(4-aminophenyl)-1,4-diisopropylbenzene, 1,3-bis(4-aminophenoxy)-2,2-dimethylpropane, 1,3-bis(4-aminophenoxy)benzene, 9,9-bis(4-aminophenyl)fluorine, and 4,4′-diamino-3,3′-dimethyldicyclohexylmethane; and mixtures thereof, wherein Y 3 is selected from the group consisting of Y 1 and Y 2 , R is selected from the group consisting of alkyl and silyl alkyl groups, c is from 5 to 200, and d is from 5 to 200.