Samsung Sdi Co., Inc.

Samsung Electronics Co., Ltd.

Cheil Industries Inc.

Jee Hee Kim

Ik Hwan Cho

Sung Hyun Mun

Woo Jin Lee

Il Jin Kim

Ji Ho Kim

Gwang Hwan Lee

Jae Hyun Han

Hyung Rang Moon

Byeong Do Kwak

Seon Hee Shin

In Cheon Han

Ki Yong Kim

Chan Woo Kim

Eun Hwa Lee

Yong Tae Kim

Ji Won Kang

Lee June Kim

Chung Kun Cho

An adhesive film has an average slope of about −9.9 to about 0, as measured over a temperature range of about −20° C. to about 80° C. in a graph depicting a temperature-dependent storage modulus distribution of the adhesive film where the x-axis represents temperature (° C.) and the y-axis represents storage modulus (kPa). The adhesive film also has a storage modulus at about 80° C. of about 10 kPa to about 1,000 kPa.

Adhesive composition, adhesive film prepared from the same and display member including the same

An adhesive film and an optical display, the adhesive film being prepared from an adhesive composition that includes a (meth)acrylic copolymer, wherein the adhesive film has an elongation of about 750% to about 3,000%, and satisfies the following Equation 1:=about 3.0 to about 20,

Optical display comprising an adhesive film

An adhesive film and a display member including the same are disclosed. The adhesive film is formed of an adhesive composition including: a copolymer of a monomer mixture including a hydroxyl group-containing (meth)acrylate and a comonomer; and nanoparticles. The adhesive film has a creep at −20° C. of about 50 μm to about 100 μm and a gel fraction of about 50% to about 75%.

Adhesive film and display member comprising the same

An adhesive film and a display member including the same are disclosed. The adhesive film is formed of an adhesive composition including: a copolymer of a monomer mixture including a hydroxyl group-containing (meth)acrylate and a comonomer; and nanoparticles. The adhesive film has a creep at &#x2212;20&#xb0; C. of about 50 &#x3bc;m to about 100 &#x3bc;m and a gel fraction of about 50% to about 75%.

An adhesive film and an optical display, the adhesive film being prepared from an adhesive composition that includes a (meth)acrylic copolymer, wherein the adhesive film has an elongation of about 750% to about 3,000%, and satisfies the following Equation 1:PB/PY=about 3.0 to about 20,

Adhesive film and optical display including the same

An adhesive film has an average slope of about &#x2212;9.9 to about 0, as measured over a temperature range of about &#x2212;20&#xb0; C. to about 80&#xb0; C. in a graph depicting a temperature-dependent storage modulus distribution of the adhesive film where the x-axis represents temperature (&#xb0; C.) and the y-axis represents storage modulus (kPa). The adhesive film also has a storage modulus at about 80&#xb0; C. of about 10 kPa to about 1,000 kPa.

A flexible display device of the present invention comprises a photoelectric element part; a first adhesive film formed on the photoelectric element part; a touch function part formed on the first adhesive film; a second adhesive film formed on the touch function part; and a window film formed on the second adhesive film; wherein the first adhesive film or the second adhesive film has an average slope of about &#x2212;9.9 to about 0 at &#x2212;20&#xb0; C. to 80&#xb0; C. based on x-axis for the distribution of storage modulus versus temperature in the function of x-axis of temperature (&#xb0; C.) and y-axis of storage modulus (KPa) and wherein the first adhesive film or the second adhesive film has a storage modulus of about 10 KPa or more at 80&#xb0; C.

Flexible display device

An adhesive composition including a monomer mixture including a hydroxyl group-containing (meth)acrylate and a comonomer; and organic particles, the organic particles having an average particle diameter of about 10 nm to about 400 nm.

An adhesive film, an adhesive composition for the same, and a display member including the same are disclosed. The adhesive film includes a cured product of an adhesive composition, which includes a (meth)acrylic copolymer formed from a monomer mixture including (a1) an alkyl (meth)acrylate having a Cto Calkyl group and (a2) an alkyl (meth)acrylate having an alkyl group having 18 or more carbon atoms. The adhesive film has a ratio (B/A) of 90&#xb0; peel strength (B) after aging the adhesive film at 25&#xb0; C. for 30 minutes and leaving the adhesive film at 90&#xb0; C. for 40 seconds to 90&#xb0; peel strength (A) after aging the adhesive film at 25&#xb0; C. for 30 minutes of about 0.1 or less.

Adhesive film, adhesive composition for the same, and display member including the same

An adhesive film, an adhesive composition for the same, and a display apparatus including the same. The adhesive film includes a urethane functional group, has a glass transition temperature (Tg) of about 30&#xb0; C. or less, a loss modulus of about 4&#xd7;10dyn/cmto about 8&#xd7;10dyn/cmupon frequency sweep testing under conditions of a strain of 3%, 60&#xb0; C. and 1 rad/s, and tan &#x3b4; of about 0.2 to 0.55 upon frequency sweep testing under conditions of a strain of 3%, 60&#xb0; C. and 1 rad/s.

Growing community of inventors

Uiwang-si, South Korea

Jee Hee Kim