Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Samsung Display Co., Ltd.

Snu Rdb Foundation

Hye Young Kong

Hyung Jun Kim

Sangah Gam

Jong Hoon Won

Myung Sup Jung

Sung Soo Han

Myungsup Jung

Jung Im Han

Hyunseok Choi

Won Cheol Jung

Hyun-Seok Choi

Byung Ha Park

Bok Soon Kwon

Jong Hyuk Eun

Sang Ah Gam

You Hwan Son

Sung H Hong

Seung Jun Lee

Beom Seok Kim

Dmitry Androsov

Myung-Sup Jung

Ji-Hoon Lee

Jong-Chan Lee

A Ra Jo

Chanjae Ahn

Woo Jin Jeong

Kyeong-Sik Ju

Dong-Gyun Kim

Boreum Jeong

Sun Jin Song

Hyo A Kang

Ginam Kim

Young Suk Jung

Hyun-Seok Cho

A laminated film which includes a first layer including a poly(amide-imide) copolymer, and a second layer laminated on at least one surface of the first layer. The second layer includes a poly(amide-imide) copolymer, polyimide, or a combination thereof, which has an amide content of less than or equal to about 30 mol %. The poly(amide-imide) copolymer included in the first layer has a weight average molecular weight of about 30,000 grams/mole to about 200,000 grams/mole, and the polyimide, the poly(amide-imide) copolymer, or the combination thereof, of the second layer has a weight average molecular weight of about 10,000 grams/mole to about 50,000 grams/mole, and the composition for preparing the laminated film.

Laminated film, and composition for preparing same

A surface coating material includes a first material and a second material having a different structure. The first material includes a linking group represented by *&#x2014;(CF)O&#x2014;* between two terminal ends, where one terminal end is a trifluoroalkoxy group and another terminal end is a silane group. The second material includes an oxyalkylene group or a *&#x2014;NH&#x2014;* linking group between two terminal ends, where one terminal end is an alkoxy group or an amino group, and another terminal end is a silane group. The first material is included in the surface coating material in an amount of less than or equal to about 5 mol % relative to a total amount (100 mol %) of the first material and the second material in the surface coating material.

Surface coating materials and films and stacked structures and display devices and articles

A composition includes a copolymer including a specific structural unit and a solvent, wherein the copolymer further includes a specific functional group at at least one terminal end. A film may include a cured product of the composition. A stacked structure may include a substrate film and the film on at least one surface of the substrate film. A display device may include the stacked structure. An electronic device may include the display device.

Compositions, films comprising cured products of the same, stacked structures comprising the films, and display devices

A phase difference film including: a phase difference thin film including at least two non-liquid crystal polymers, wherein the phase difference thin film satisfies refractive indexes of n&#x2265;n&#x3e;nand has a thickness direction phase difference per unit thickness of greater than or equal to about 80 nm/&#x3bc;m, wherein ndenotes a refractive index of the phase difference thin film at a slow axis thereof, ndenotes a refractive index of the phase difference thin film at a fast axis thereof, and ndenotes a refractive index of the phase difference thin film in a direction perpendicular to the slow axis and the fast axis thereof, and wherein an average light transmittance in a wavelength region of about 360 nm to about 740 nm is greater than or equal to about 88%, and a display device including the same.

Phase difference film and display device

An optical film includes a polarizer, a uniaxially elongated film disposed on the polarizer, and a compensation film disposed on one side of the uniaxially elongated film. The polarizer includes a polymer having a glass transition temperature of greater than about 100&#xb0; C. and including a structural unit derived from styrene or a styrene derivative. The compensation film has a refractive index satisfying Relationship Equations 1 and 2, the uniaxially elongated film has an in-plane retardation satisfying Relationship Equation 3 and a thickness retardation satisfying Relationship Equation 4, and the compensation film has an in-plane retardation satisfying Relationship Equation 5 and a thickness retardation satisfying Relationship Equation 6. A liquid crystal display including the optical film is also disclosed. Relationship Equations 1 to 6 are described in the detailed description.

Optical film and liquid crystal display

An evaluating device of a flexural property includes a holder, a body disposed on the holder and capable of being moved along with a length of direction of the holder, a clamp coupled to the body to be rotated on the body and fixing a first side of the specimen to be evaluated, and a pressing part disposed over the clamp and pressing a second side of the specimen opposite to the first side and disposed upper than the first side of the specimen to bend the specimen, and an evaluation method of a flexural property of the bent specimen using the same.

Evaluating device of flexural property of material, and evaluation method using the same

A liquid crystal display includes a light source, lower and upper substrates facing each other and on the light source, a liquid crystal layer between the lower and upper substrates, an upper polarization layer between the upper substrate and the liquid crystal layer, an upper phase difference layer between the liquid crystal layer and the upper polarization layer and having refractive indexes satisfying the following inequation: n&#x2265;n&#x3e;n, a lower polarization layer disposed between the light source and the lower substrate, and a lower phase difference layer disposed between the light source and the lower substrate and having refractive indexes satisfying the following inequation: n&#x3e;nand n&#x3e;n, where a thickness direction retardation of the upper phase difference layer satisfies the following inequation:(&#x2212;0.6&#xd7;+60)&#xd7;&#x2212;210&#x2264;&#x2264;(&#x2212;0.6&#xd7;+260)&#xd7;&#x2212;420.

Liquid crystal display

An optical film includes a polarizer and a protection film disposed the polarizer and including a polymer having a glass transition temperature of greater than about 100&#xb0; C., where the polymer is a terpolymer consisting of: a first structural unit derived from styrene or a styrene derivative; a second structural unit derived from maleimide, maleic anhydride, acrylonitrile, a derivative thereof or a combination thereof; and a third structural unit derived from (meth)acrylate or a derivative thereof.

Optical film and method of manufacturing the same and display device including the same

An optical film includes a polarization film including a polyolefin and a dichroic dye, a first phase delay layer positioned on one side of the polarization film and including a liquid crystal, a second phase delay layer positioned on one side of the first phase delay layer and including a liquid crystal, a first adhesive between the polarization film and the first phase delay layer, and a second adhesive between the first phase delay layer and the second phase delay layer, wherein at least one of the first adhesive and the second adhesive has a room temperature storage modulus of greater than or equal to about 0.2 MPa at a frequency of 10 Hz, and a display device including the same, are provided.

Optical film and display device

An optical film includes a polarization film including a polymer resin and a dichroic dye, and a phase delay layer disposed on the polarization film and including a liquid crystal.

Optical film, manufacturing method thereof, and display device

A compensation film includes a first retardation layer comprising a polymer having negative birefringence, and a second retardation layer comprising a polymer having negative birefringence, where the first retardation layer has an in-plane retardation (R) in a range of about 180 nanometers to about 300 nanometers for incident light having a wavelength of about 550 nanometers, the second retardation layer has an in-plane retardation (R) in a range of about 60 nanometers to about 170 nanometers for the incident light having the wavelength of about 550 nanometers, and the entire in-plane retardation (R) of the first retardation layer and the second retardation layer for incident light having wavelengths of about 450 nanometers and about 550 nanometers satisfies the following inequation: R(450 nm)&#x3c;R(550 nm).

Compensation film, and optical film and display device including the same

An antireflection film includes a polarizer, a first retardation film disposed on a side of the polarizer and having a reverse wavelength dispersion phase delay, and a second retardation film disposed on at least one side of the first retardation film and including a polymer, wherein the polymer includes a structural unit derived from a monomer selected from styrene, a styrene derivative, or a combination thereof, and the polymer has a glass transition temperature of greater than about 100&#xb0; C.

Antireflection film and organic light emitting display device including the same

An organic/inorganic composite membrane may include hydrophilic inorganic particles dispersed in an organic polymer matrix having finger-like pores. The hydrophilic inorganic particles may be present at a higher concentration near one surface of the membrane having a higher density than the other surface of the membrane having a lower density.

Composite membrane, method of manufacturing the same, separation membrane including the composite membrane, and water treatment device using the separation membrane

An organic/inorganic composite compound for fouling resistance may include a core and at least an arm. The core may be formed of a polyhedron of polyhedral oligomeric silsesquioxane. At least one arm may be connected to a Si atom of the polyhedral oligomeric silsesquioxane. The arm may include a vinyl-based first structural unit including at least one ethylene oxide group at the side chain, and a hydrophobic vinyl-based second structural unit.

Organic/inorganic hybrid compound for fouling resistance, membrane including the same for fouling resistance, and method of preparing membrane for fouling resistance

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Uijeongbu-si, South Korea

Hye Young Kong