A reworkable optically clear adhesive composition, a method for adjoining a light source to a light guide plate by applying a reworkable optically clear adhesive composition to the light guide plate, and a lighting device comprising a light source, a light guide plate and a reworkable optically clear adhesive film are described. The reworkable optically clear adhesive composition has a processing temperature of between about 50° C. and about 80° C. and comprises: from about 15 wt. % to about 40 wt. % hot melt adhesive; from about 20 wt. % to about 60 wt. % optical resin; and from about 10 wt. % to about 40 wt. % UV adhesive, wherein the weight percentage of each component is based on the total weight of the reworkable optically clear adhesive composition.

An adhesive film formed of an adhesive composition including a hydroxyl group-containing (meth)acrylic copolymer and a silicone-containing (meth)acrylic compound, the adhesive film having a peel strength ratio of about 50% or more, as calculated by Equation 1, an optical member including the same, and an optical display apparatus including the same are disclosed.

The present disclosure relates to an adhesive film for a semiconductor and a dicing die-bonding film the same, and particularly, to an adhesive film for a semiconductor, which may reduce electromagnetic interference generated in a semiconductor package by including a polymer matrix in which a magnetic filler including a core and a coating layer formed on the surface of the core is dispersed, and a dicing die-bonding film including the same.

A secondary battery includes an electrode assembly in which electrodes and separators are alternatively stacked to be wound, a battery case in which the electrode assembly and an electrolyte are accommodated, and a fixing tape adhering on an outer surface of the electrode assembly to prevent the electrode assembly from being unwound. The fixing tape is weakened in fixing force for suppressing unwinding when being impregnated in the electrolyte so that the winding of the electrode assembly is substantially released to expand in an initial space between the battery case and the electrode assembly. A method for manufacturing the same is also provided.

Provided is an adhesive composition for coating-type polarization elements containing a (meta)acrylic polymer (A), an ultraviolet absorber (B), and a radical polymerization initiator (C), wherein an adhesive layer formed from the adhesive composition has a transmittance at a wavelength of 400 nm of 50% or less, and the adhesive composition can be used in combination with a coating-type polarization element to prevent the coating-type polarization element from deteriorating polarization performance over time due to exposure.

The present disclosure provides an adhesive composition comprising an acrylic resin (A) and a hydrophilicity imparting agent (B), wherein the acrylic resin (A) is a copolymer of a copolymerization component (a) containing a methacrylic acid alkyl ester monomer having an alkyl chain with 10 to 36 carbon atoms (a1), and a polar group-containing ethylenic unsaturated monomer (a2), the content of the polar group-containing ethylenic unsaturated monomer (a2) is less than 3 wt. % with respect to the copolymerization component (a), and the hydrophilicity imparting agent (B) contains a compound (B1) that has a structure represented by —(C.sub.nH.sub.2nO).sub.m— (n is 2 to 6 and m is 2 to 25) and contains at least one ethylenic unsaturated group.

A decorative film for a vehicle exterior of an embodiment of the present disclosure includes a resin layer and an adhesive layer, wherein tearing strength of the resin layer is approximately 8.0 N or more at 20° C., the adhesive layer includes a reaction product of a crosslinking agent and a (meth)acrylate polymer obtained from a material containing a monoethylenically unsaturated monomer and an unsaturated monomer containing a carboxyl group, a glass transition temperature of the (meth)acrylate polymer is approximately −58° C. or more and approximately −40° C. or less, and the unsaturated monomer containing a carboxyl group is incorporated by an amount of approximately 3 mass % or more and approximately 10 mass % or less of a total amount of 100 mass % of the monoethylenically unsaturated monomer and the unsaturated monomer containing a carboxyl group is described. The decorative film may be capable of reducing a defect such as lifting p even in exposure to wind, rain, wind pressure and the like.

Provided herein are high refractive index compositions with excellent light stability, and methods for the use thereof, as well as assemblies and articles prepared using invention formulations and methods.

Provided herein are high refractive index compositions with excellent light stability, and methods for the use thereof, as well as assemblies and articles prepared using invention formulations and methods.

Disclosed are an organic barrier film, a preparation method of the organic barrier film, and a quantum dot device. The organic barrier film includes a substrate layer, an adhesive layer, and an oxygen barrier layer that are sequentially stacked. The oxygen barrier layer includes polyvinyl alcohol, and chemical cross-linking is formed between the adhesive layer and the oxygen barrier layer.