Cheil Industries Inc.

Samsung Sdi Co., Inc.

Lotte Advanced Materials Co., Ltd.

Man Suk Kim

Kwang Soo Park

Kee Hae Kwon

Jin Hwa Chung

Yong Hee Kang

Jin Seong Lee

Ja Kwan Koo

Seok Hoon Jang

Jun Hyeak Choi

Joo Hyun Jang

Ju Yeol Choi

Beom Jun Joo

Seon Ae Lee

Byun Kun Lee

Woo Joong Kim

O Yong Jeong

Chul Goo Chi

Ja Kwan Goo

Seong Hoon Lee

Hwan Sung Cheon

Kyung Joon Lee

Jae Han Kim

Young Soo Han

Sung Hyun Joo

Kyu Ha Chung

Hyun Joo Cho

Seung Man Choi

Myoung Jun Kim

Jong Tae Yoon

A resin composition includes a phosphorus-based acrylic copolymer (A) including (a1) an acrylic monomer represented by Formula 1 and (a2) a phosphorus-based acrylic monomer represented by Formula 2 as defined in the specification. The resin composition can have flame retardancy, heat resistance, mechanical properties, and/or flowability, while maintaining properties of high transparency and scratch resistance.

Transparent thermoplastic resin composition

Disclosed herein is a thermoplastic (meth)acrylate copolymer, which includes a derivative unit obtained from a monomer mixture including: (A) an aromatic (meth)acrylate having an index of refraction from about 1.580 to about 1.700; and (B) a monofunctional unsaturated monomer.

Thermoplastic (meth)acrylate copolymer, resin composition comprising same, and molded products thereof

The present invention relates to an environmentally friendly flame-retardant polycarbonate resin composition having scratch resistance, which includes a specific (meth)acrylic flame-retardant copolymer to improve flame retardancy and scratch resistance.

Flame-retardant polycarbonate resin composition with scratch resistance

The present invention provides a flame retardant acrylic-based copolymer which includes a derivative unit obtained from a monomer mixture comprising: (A) a (meth)acrylic monomer; (B) at least one vinyl monomer selected from the group consisting of an aromatic vinyl monomer and an unsaturated nitrile monomer; and (C) a phosphorus-based (meth)acrylic monomer. The flame retardant acrylic copolymer has high refractivity and exhibits excellent flame retardancy and scratch resistance.

Flame retardant acrylic-based copolymer, resin composition comprising same and molding form thereof

Disclosed herein are a thermoplastic copolymer, which is a polymer of a monomer mixture including: a phosphorus (meth)acrylic monomer represented by Formula 1; an aromatic vinyl monomer; and a vinyl cyanide monomer. The thermoplastic copolymer can exhibit excellent flame retardancy with minimal or no deterioration in heat resistance, and is eco-friendly.  wherein Ris hydrogen or methyl; Ris a substituted or unsubstituted Cto Chydrocarbon group; Rand Rare each independently a substituted or unsubstituted Cto Ccyclic hydrocarbon group; m is an integer from 1 to 10; and n is an integer from 0 to 5.

Flame retardant thermoplastic copolymer, method for preparing the same, and molded article including the same

The present invention provides a flame-retardant and scratch-resistant polycarbonate resin composition including a (meth)acrylic flame-retardant copolymer.

Flame-retardant and scratch-resistant polycarbonate resin composition

An eco-friendly (meth)acrylic flame retardant copolymer includes a phosphorous-based acrylic monomer to provide a high index of refraction and excellent flame retardancy.

(Meth)acrylic-based flame retardant copolymer and method for manufacturing the same

The present invention provides a phosphonate based compound (B) and a flame resistant thermoplastic resin composition including a thermoplastic resin (A) and the phosphonate based compound (B).

Phosphonate based compound and flame retardant styrenic resin composition including the same

Disclosed herein is a light guide panel for a backlight unit of a liquid crystal display (LCD). The light guide panel enables adjustment in viewing angle and brightness at a specific position and angle by controlling a cross-sectional shape of front prisms of the light guide panel.

Light guide panel comprising symmetric front prism and asymmetric front prism for back light unit of LCD

A light guide plate for an LCD back light unit has a rear surface formed with a main prism portion including a plurality of prisms, and a front surface formed with a front-lens part including a plurality of optical members such as lenticular lenses or microlenses so as to improve visibility of a predetermined pattern of the main prism part, and a liquid crystal display device using the light guide plate.

Light guide panel for LCD back light unit and LCD back light unit thereby

A prism sheet, capable of enhancing wet-out ability in a whole back light unit while maintaining center brightness, transmittance and haze in good condition, is disclosed. The prism sheet includes a base film made of a transparent material and having a flat first surface, and a light refracting part including a plurality of unit prisms unitarily formed with the base film on a second surface of the base film, opposite to the flat first surface. The unit prisms have a predetermined shape of a cross section, and are arranged with orientation. When an angle formed between a ridge of the unit prism of the light refracting part and a normal line of the flat first surface is defined as &#x3b8;, &#x3b8;and &#x3b8;have different values from each other, and n is an integer more than 2. An LCD back light unit using the above prism sheet is also disclosed.

Prism sheet having wet-out property and LCD back light unit thereby

The present invention provides phosphonate compounds represented by Chemical Formula 1. In addition, the invention provides flame retardant styrene resin compositions comprising (A) styrene resin, (B) polyphenylene ether resin, and (C) the phosphonate compound. The flame retardant styrene resin compositions according to the invention: can provide protection against fire, exhibit improved impact strength, and can be environment-friendly.

Phosphonate compound and flame retardant styrenic resin composition including the same

A diffuser prism sheet, an LCD back light unit including the same, and an LCD device including the same, the diffuser prism sheet including a base film made of a transparent material, and a light refracting part on a surface of the base film, the light refracting part including a plurality of unit prisms arranged in one direction, having a predetermined cross-sectional shape and valley regions between adjacent unit prisms, and light diffusing elements in the valley regions between the adjacent unit prisms.

Diffuser prism sheet with light diffusing element on valley region, LCD back light unit including the same, and LCD device including the same

An optical prism sheet includes an optical refracting part including a plurality of unit prisms, the unit prisms each having a predetermined cross-section and being disposed on one side of the optical prism sheet, and fine irregularities having a predetermined roughness and configured to diffuse light, the fine irregularities being on surfaces of the unit prisms and increasing a unit surface area of the optical refracting part by about 1.1 to about 100 times.

Optical prism sheet, backlight unit, and liquid crystal display

A diffuser plate includes a first optical sheet having a rear surface configured to receive light from a light source and having a front surface configured to provide light to a second optical sheet, the first optical sheet having a refractive part that includes a plurality of optical members at a surface of the first optical sheet, and a second optical sheet disposed in front of the first optical sheet, the second optical sheet including a rear surface configured to receive light from the first optical sheet, a front surface configured to emit light, and light-scattering beads within the first optical sheet.

Growing community of inventors

Uiwang-si, South Korea

Man Suk Kim