Lg Chem, Ltd

Xinmei Fontana Holding (hong Kong) Limited

Hyon Gyu Park

Hyun Cheol Kim

Hee Song

Byung Su Park

Yoonkyung Kwon

Hyunsup Lee

Yoon Kyung Kwon

Hui Je Lee

Yong Su Park

Dong Kyu Roh

Myunghan Lee

Byungsu Park

Han Sol Yoo

Hak Lim Kim

Seung Yeon Ryu

Say Young Jung

Dae Hyuck Lee

The present invention relates to a foldable adhesive film and a fabrication method therefor, and particularly, to a foldable adhesive film having improved folding performance by minimizing the deformation thereof at high temperature, maintaining the creep strain and recovery thereof at constant levels in a temperature range from low temperature to high temperature, minimizing the force that is applied for deformation of the adhesive film in a low-temperature region, improving the recovery thereof in a low-temperature region, and maintaining the recovery thereof at constant levels in a temperature range from a low-temperature region to a high-temperature region, and a fabrication method therefor.

Foldable adhesive film and fabrication method therefor

The present application may provide a flexible device comprising a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate, which are advantageous as the difference in physical properties between the regions increases, is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate, which are advantageous as the difference in physical properties between the regions decreases, is maintained relatively small for each region.

Flexible device

The present application provides a pressure-sensitive adhesive layer comprising at least first and second regions having different physical properties, wherein the difference in physical properties, such as an elastic modulus or creep strain rate is maintained relatively large for each region, and the difference in physical properties, such as a peel force or recovery rate is maintained relatively small for each region.

Pressure-sensitive adhesive layer

An adhesive composition for a foldable display comprising a polymer comprising an alkyl (meth)acrylate and a monomer having a crosslinkable functional group; and a crosslinking agent is provided.

Adhesive composition for foldable display, and foldable display comprising same

An adhesive composition for a foldable display including a polymer comprising an alkyl (meth)acrylate and a monomer having a crosslinkable functional group; and a crosslinking agent.

Provided are an adhesive composition, an adhesive layer comprising the same and a foldable display comprising the same.

Pressure-sensitive adhesive composition, pressure-sensitive adhesive layer comprising same, and foldable display including same pressure-sensitive adhesive layer

The present application provides an adhesive composition for a foldable display including a thermocurable resin; an ionic salt; and a crosslinking agent, wherein the adhesive composition for a foldable display has storage modulus of 10Pa to 10Pa at −30° C. and 60° C. after curing, an adhesive film using the same, and a foldable display including the same.

Adhesive composition for foldable display, adhesive film using same, and foldable display comprising

Provided are a protective film for a foldable display and a foldable display device comprising the same.

Protection film for foldable display and foldable display device comprising same

The present application provides an adhesive composition for a foldable display including a thermocurable resin; and a crosslinking agent, wherein the thermocurable resin includes a unit derived from a compound including at least one N or O; and at least one unshared electron pair in the molecule, and the thermocurable resin has a glass transition temperature of &#x2212;70&#xb0; C. or lower, an adhesive film using the same, and a foldable display including the same.

Adhesive composition for foldable display, adhesive film using same, and foldable display comprising same

The present invention relates to a method of deriving significant factors of rheological properties, which influence folding stability for developing an adhesive with excellent folding stability, and predicting folding stability through the same. It is possible to select an adhesive with excellent folding stability by measuring initial stress and a strain recovery rate as the significant factors, and measuring predicted folding stability (predicted number of times of folding) therefrom.

Method for selecting adhesive with excellent folding stability

Provided are a foldable back plate, a method of manufacturing the same and a foldable display device comprising the same.

Foldable backplate, method for manufacturing foldable backplate, and foldable display device comprising same

Provided are a foldable back plate film and a method of manufacturing the same.

Foldable backplate film and method for manufacturing foldable backplate film

The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability while having appropriate adhesive force and cohesive force, thereby being useful for forming a pressure-sensitive adhesive layer for a foldable display.

Pressure-sensitive adhesive composition for foldable display

The present application relates to a pressure-sensitive adhesive composition for a foldable display and a use thereof. The pressure-sensitive adhesive composition of the present application has excellent bending reliability while having appropriate adhesive force and cohesive force, thereby being useful for forming a pressure-sensitive adhesive layer for a foldable display having improved release force.

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Daejeon, South Korea

Hyon Gyu Park