US 12,384,938 B2
Adhesive film and display member including the same
Sung Hyun Mun, Suwon-si (KR); Byeong Do Kwak, Suwon-si (KR); Il Jin Kim, Suwon-si (KR); Ji Ho Kim, Suwon-si (KR); Hyung Rang Moon, Suwon-si (KR); Gwang Hwan Lee, Suwon-si (KR); Ik Hwan Cho, Suwon-si (KR); and Jae Hyun Han, Suwon-si (KR)
Assigned to SAMSUNG SDI CO., LTD., Yongin-si (KR); and SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG SDI CO., LTD., Yongin-si (KR); and SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Feb. 28, 2022, as Appl. No. 17/682,166.
Application 17/682,166 is a continuation of application No. 14/973,312, filed on Dec. 17, 2015, granted, now 11,535,775.
Claims priority of application No. 10-2014-0187618 (KR), filed on Dec. 23, 2014; and application No. 10-2015-0177425 (KR), filed on Dec. 11, 2015.
Prior Publication US 2022/0177732 A1, Jun. 9, 2022
Int. Cl. C09J 4/00 (2006.01); B32B 27/20 (2006.01); B32B 27/30 (2006.01); C09J 133/08 (2006.01)
CPC C09J 4/00 (2013.01) [B32B 27/20 (2013.01); B32B 27/308 (2013.01); C09J 133/08 (2013.01); C09J 2203/318 (2013.01); C09J 2301/312 (2020.08); C09J 2301/408 (2020.08); C09J 2301/414 (2020.08); C09J 2433/00 (2013.01); C09J 2467/006 (2013.01)] 3 Claims
 
1. An adhesive film formed of an adhesive composition that includes a monomer mixture, the monomer mixture comprising:
a hydroxyl group-containing mono(meth)acrylate, the hydroxyl group-containing mono(meth)acrylate including:
2-hydroxyethyl(meth)acrylate, 3-hydroxypropyl (meth)acrylate, 4-hydroxybutyl(meth)acrylate, 2-hydroxypropyl(meth)acrylate, 2-hydroxybutyl(meth)acrylate, and/or 6-hydroxyhexyl(meth)acrylate, and
a comonomer, the comonomer including:
methyl acrylate, ethyl acrylate, isopropyl acrylate, n-butyl acrylate, iso-butyl acrylate, hexyl(meth)acrylate, heptyl(meth)acrylate, 2-ethylhexyl acrylate, dodecyl(meth)acrylate, polyethylene oxide monomethyl ether (meth)acrylate, polyethylene oxide monoethyl ether (meth)acrylate, polyethylene oxide monopropyl ether (meth)acrylate, polyethylene oxide monobutyl ether (meth)acrylate, polyethylene oxide monopentyl ether (meth)acrylate, polypropylene oxide monomethyl ether (meth)acrylate, polypropylene oxide monoethyl ether (meth)acrylate, polypropylene oxide monopropyl ether (meth)acrylate, monomethylaminoethyl (meth)acrylate, monoethylaminoethyl(meth)acrylate, monomethylaminopropyl (meth)acrylate, monoethylaminopropyl(meth)acrylate, 2-methoxyethyl(meth)acrylate, 2-methoxypropyl(meth)acrylate, 2-ethoxypropyl(meth)acrylate, 2-acetoacetoxyethyl (meth)acrylate, vinyltrimethoxysilane, and/or vinyltriethoxysilane, the comonomer having a glass transition temperature (Tg) of about −150° C. to about 0° C.,
wherein the adhesive film has a recovery rate of about 40% to about 99%, the recovery rate being determined according to Method A as described herein,
wherein the adhesive film has a bubble generation area of about 0%, the bubble generation area being determined according to Method B as described herein, and
wherein the adhesive film has a storage modulus after curing of about 10 kPa to about 1,000 kPa at an entire temperature range of −20° C. to 80° C.