US 11,898,064 B2
Adhesive composition including at least two types of dyes, adhesive sheet, and display device including same
Joon Ho Jung, Hwaseong-si (KR); and Hyun Young Joo, Daegu (KR)
Assigned to LMS CO., LTD., Pyeongtaek-si (KR)
Filed by LMS Co., Ltd., Pyeongtaek-si (KR)
Filed on Jun. 29, 2020, as Appl. No. 16/915,647.
Application 16/915,647 is a continuation of application No. PCT/KR2018/016078, filed on Dec. 18, 2018.
Claims priority of application No. 10-2017-0183738 (KR), filed on Dec. 29, 2017.
Prior Publication US 2020/0325363 A1, Oct. 15, 2020
Int. Cl. C09J 11/06 (2006.01); C09J 11/04 (2006.01); C09J 11/08 (2006.01); C09B 67/20 (2006.01); C09B 57/00 (2006.01); C09B 23/14 (2006.01); C09J 7/10 (2018.01); C08K 5/315 (2006.01); C08K 5/3492 (2006.01)
CPC C09J 11/06 (2013.01) [C09B 23/143 (2013.01); C09B 57/00 (2013.01); C09B 67/0063 (2013.01); C09J 7/10 (2018.01); C09J 11/04 (2013.01); C09J 11/08 (2013.01); B32B 2307/71 (2013.01); B32B 2457/20 (2013.01); B32B 2457/202 (2013.01); B32B 2457/204 (2013.01); B32B 2457/206 (2013.01); C08K 5/315 (2013.01); C08K 5/3492 (2013.01); C09J 2203/318 (2013.01); C09J 2301/408 (2020.08); C09K 2323/03 (2020.08); C09K 2323/031 (2020.08); C09K 2323/05 (2020.08); C09K 2323/053 (2020.08); C09K 2323/057 (2020.08)] 13 Claims
OG exemplary drawing
 
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:

OG Complex Work Unit Chemistry
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

OG Complex Work Unit Chemistry
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

OG Complex Work Unit Chemistry
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

OG Complex Work Unit Chemistry
In the Formula 2,
R1 to R3 are each independently a hydrogen, a cyano group, or represented by a Formula 2-a; and

OG Complex Work Unit Chemistry
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

OG Complex Work Unit Chemistry
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.