Patent ID: 11898064
Assignee: LMS CO., LTD.
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC C

Claim 0:
1. An adhesive sheet comprising:
a structure wherein a first light absorption dye and a second light absorption dye are dispersed in an adhesive binder resin;
a combined amount of the first light absorption dye and the second light absorption dye is 90 parts by weight or less with a reference to 100 parts by weight of the adhesive binder resin; and
the first light absorption dye is represented by a Formula 1 and the second light absorption dye is represented by a Formula 2 wherein the Formula 1 is:, in the Formula 1,
A1, A2 and A3 are each independently a phenyl or a Formula 1-a; and
at least one or more of A1, A2 and A3 are the Formula 1-a; and, in the Formula 1-a,
B1 to B5 are each independently a hydrogen, a hydroxy group, an alkyl group having a carbon number of 1 to 20, a cycloalkyl group having a carbon number of 3 to 20, an alkoxy group having a carbon number of 1 to 10, an aralkyl group having a carbon number of 7 to 20, an aryl group having a carbon number of 6 to 18, or a Formula 1-b; and, in the Formula 1-b,
R1 is an alkylene having a carbon number of 1 to 6, R2 is a hydrogen, a hydroxy group, an alkoxy group having a carbon number 1 of 16, an alkyl group having a carbon number 1 of 12 or an alkylamine group having a carbon number of 1 to 12; and
at least one or more hydrogen of A1, A2 and A3 in the Formula 1 are each independently substituted by one selected from a group consisting of an alkyl group having a carbon number of 1 to 6, an alkenyl group having a carbon number of 1 to 6, an alkoxy group having a carbon number of 1 to 6, an aryl group having a carbon number of 6 to 20, a heteroaryl group having a carbon number of 2 to 20, an aryloxy group having a carbon number of 6 to 20, an arylthio group having a carbon number of 6 to 20, alkoxycarbonyl group having a carbon number 1 of 12, a halogen group, a cyano group, a nitro group, a hydroxyl group and a carboxyl group; and, In the Formula 2,
R1 to R3 are each independently a hydrogen, a cyano group, or represented by a Formula 2-a; and, in the Formula 2-a,
a1 to a5 are each independently a hydrogen, an alkyl group having a carbon number of 1 to 20, a cycloalkyl group having a carbon number of 3 to 20 carbon, an alkoxy group having a carbon number of 1 to 10, an aralkyl group having a carbon number of 7 to 20, or an aryl group having a carbon number of 6 to 18; and
R4 is a hydrogen, a cyano group, or a Formula 2-b; and, in the Formula 2-b,
a6 is a hydrogen or an alkyl group having a carbon number of 1 to 18; and
at least one or more hydrogen of R1 to R4 in the Formula 2 are each independently substituted by one selected from a group consisting of an alkyl group having a carbon number of 1 to 6, an alkenyl group having a carbon number of 1 to 6, an alkoxy group having a carbon number of 1 to 6, an aryl group having a carbon number of 6 to 20, an heteroaryl group having a carbon number of 2 to 20, an aryloxy group having a carbon number of 6 to 20, an arylthio group having a carbon number of 6 to 20, an alkoxycarbonyl group having a carbon number of 1 to 6, a halogen group, a cyano group, a nitro group, a hydroxyl group and a carboxy group,
wherein the adhesive sheet satisfies a Condition 1 and a Condition 2 where
[Condition 1]
a light transmittance for a 405 nm wavelength is 5% or less;
a light transmittance for a 410 nm wavelength is 10% or less; and
a light transmittance for a 420 nm wavelength is 60% or less; and
[Condition 2]
a light transmittance for a 430 nm wavelength is 75% or more.