Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Boreum Jeong

A Ra Jo

Chanjae Ahn

Sun Jin Song

Won Suk Chang

Sungwon Choi

Yong Joo Lee

Sang Soo Jee

Kyeong-Sik Ju

Hyunjeong Jeon

Deuk Kyu Moon

Myung Sup Jung

Myungsup Jung

Jungha Chae

Wontaek Seo

Beom Seok Kim

Ha Na Kim

Junghoon Lee

Feifei Fang

Dong Yun Lee

Sung Soo Han

Hye Young Kong

Youngtek Oh

Soon Chul Kwon

Yoon Seok Ko

Min Sang Kim

Moonil Jung

Seong-Jun Yoon

Yoon-suk Kang

Jonghyun Ha

Yunju Yu

A composition for preparing a nonlinear optic material including an organic chromophore that is polarized by an electric field, a precursor that can form an inorganic material polymer by a sol-gel reaction, and a compatibilizer that can bind to both the organic chromophore and the inorganic material polymer, wherein the organic chromophore includes a functional group at a terminal end that can bind to both the inorganic material polymer and the compatibilizer, a nonlinear optic material prepared from the composition, a method of preparing the nonlinear optic material, and an electro-optic device including the nonlinear optic material are disclosed.

Composition, electro-optic material, and method for preparing electro-optic material

Disclosed are a laminated film including a light transmitting substrate; a hard coating layer; and an optical enhancement layer disposed between the light transmitting substrate and the hard coating layer or at a position facing the hard coating layer with the light transmitting substrate therebetween, wherein the light transmitting substrate includes a polyimide, a poly(amide-imide) copolymer, or a combination thereof, and the optical enhancement layer includes a copolymer comprising a polyimide, and a display device including the laminated film.

Laminated film, and display device including same

Disclosed is a window film for a display device including a light transmitting substrate including a polyamide including a structural unit represented by Chemical Formula 1 and a structural unit represented by Chemical Formula 2, and a hard coating layer laminated on one surface of the light transmitting substrate:

Window film for display device and display device including same

A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted linear aliphatic diamine including two terminals, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3:NH-A-NH   Chemical Formula 1

Poly(amide-imide) copolymer, composition for preparing poly(amide-imide) copolymer, article including poly(amide-imide) copolymer, and display device including the article

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

Laminated film and display device including same

Provided is a sound source tracking apparatuses including a vibration unit including vibrators configured to vibrate in response to an ambient sound, the ambient sound including individual sounds, and a processor configured to separate the ambient sound into individual sounds, to determine a target individual sound having a target tone color among the individual sounds, and to obtain a relative location of a target sound source that generates the target individual sound.

Apparatus for tracking sound source, method of tracking sound source, and apparatus for tracking acquaintance

A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted linear aliphatic diamine including two terminals, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: 

A poly(amide-imide) copolymer that is a reaction product of a substituted or unsubstituted aromatic diamine having a maximum absorption wavelength in a range from 500 nanometers (nm) to 650 nm in a visible light region, a diamine represented by Chemical Formula 1, a dicarbonyl compound represented by Chemical Formula 2, and a tetracarboxylic acid dianhydride represented by Chemical Formula 3: 

A stacked transparent film includes a polymer film including at least one of an amide structural unit and an imide structural unit, wherein the polymer film has a refractive index of about 1.65 to about 1.75 at a 550 nanometer wavelength and an elastic modulus of greater than or equal to about 5.5 gigapascals; and at least one of a first coating layer on a first side of the polymer film and a second coating layer on a side opposite the first side of the polymer film.

Stacked transparent film and window for display device and display device

A color polarizing film including a polymer and a dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm, wherein the color polarizing film exhibits a maximum absorption wavelength (&#x3bb;) in a wavelength range of about 380 nm to about 780 nm is provided.

Color polarizing film, antireflective film, and display device

A composite membrane including an organic polymer matrix and a plurality of porous inorganic particles is disclosed, wherein each of the porous inorganic particles has a plurality of pores arranged while forming a channel in a predetermined direction, and wherein an average length of the porous inorganic particles in a direction parallel to the channel is less than three times the average maximum length of the porous inorganic particles in the direction perpendicular to the channel.

Composite membrane, semi-permeable membrane including the composite membrane, and water treatment device including the semi-permeable membrane

A color polarizing film including a first layer including a first polymer and a first dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm and a second layer including a second polymer and a second dichroic dye having an absorption wavelength region of about 380 nm to about 780 nm, wherein the second layer is disposed on the first layer, wherein a polarization axis of the first layer and a polarization axis of a second layer cross each other, and wherein the color polarizing film exhibits a maximum absorption wavelength (&#x3bb;) in a wavelength range of about 380 nm to about 780 nm.

Color polarizing film, antireflective film and display device

A polarizing film includes a high-temperature elongation film of a polyolefin and a dichroic dye, and the polyolefin has zero shear viscosity (&#x3b7;) ranging from about 2600 Pa&#xb7;s to about 17400 Pa&#xb7;s at a temperature of about 210&#xb0; C. (&#xb1;3&#xb0; C.).

Polarizing film having specified zero shear viscosity and yield stress and display device including the same

A composition for a polarizing film including a polymer and at least one of dichroic dye, wherein the dichroic dye includes a first dichroic dye represented by Chemical Formula 1 and having a molecular weight of greater than or equal to about 500 Daltons: wherein in Chemical Formula 1, Arto Ar, R, R, n, and m are the same as described in the detailed description.

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Daejeon, South Korea

Boreum Jeong