Patent ID: 11886115
Assignee: YANTAI SUNERA LLC
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The positive photosensitive resin composition according to claim 1, wherein the formula (1) further comprises a diamine residue except formula (2), the diamine residue is derived from a combination of one or more of the following diamine monomers: p-phenylenediamine, m-phenylenediamine, 3-carboxyl-m-phenylenediamine, 4,4′-diaminodiphenyl ether, 3,4′-diaminodiphenyl ether, 3,4-diaminodiphenyl sulfone, 4,4′-diaminodiphenyl sulfone, 3,4′-diaminodiphenyl sulfide, 4,4′-diaminodiphenyl sulfide, 1,4-di(4-aminophenoxy) benzene, di(4-aminophenoxy phenyl) sulfone, di(3-aminophenoxy phenyl) sulfone, bis(3-amino-4-hydroxy) biphenyl, 3,4′-diaminodiphenylmethane, 4,4′-diaminodiphenylmethane, 3,3′-dimethyl-4,4′-diaminobiphenyl, 2,2′-dimethyl-4,4′-diaminobiphenyl, 2,2′-bis(trifluoromethyl)-4,4′-diaminobiphenyl, 2,2,3,3′-tetramethyl-4,4′-diaminobiphenyl, 3,3′,4,4′-tetramethyl-4,4′-diaminobiphenyl, 2,2′-bis [3-(4-amino-benzamido)-4-hydroxyphenyl]hexafluoropropane and 3,3′-dihydroxy bis[4-(4-amino-benzamido)]biphenyl.