Abstract: Disclosed is a photosensitive resin composition for a color filter that includes (A) an acrylic-based binder resin including a structural unit represented by the following Chemical Formula 1; (B) an acrylic-based photopolymerizable monomer; (C) a photopolymerization initiator; (D) a colorant; and (E) a solvent. In the above Chemical Formula, each definition of R1, R2, R3 and R4 is the same as defined in the detailed description.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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).

Abstract: 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.

Abstract: The present invention provides a phosphoric and acrylic copolymer resin that can have good transparency, scratch resistance and flame retardancy and a composition including the same. The phosphoric and acrylic copolymer resin includes repeat units of (A-1) at least one vinyl monomer and (A-2) at least one phosphoric monomer.

Abstract: 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.

Abstract: A diffuser prism sheet includes a transparent base film having a first surface and a second surface, a light refractor at the first surface of the base film, the light refractor including a plurality of unit prisms having a major axis extending in a first direction and having a predetermined cross sectional shape that defines valleys between adjacent unit prisms, and light diffusers including amorphous polygonal bosses in the valleys between adjacent unit prisms.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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 ?n, ?n and ?n+1 have different values from each other, and n is an integer more than 2.

Abstract: 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.

Abstract: A light guide plate includes a main body having opposing side faces, and front and rear faces connected to the opposing side faces, the front face being adapted to output light incident on at least one of the side faces, a plurality of front prisms disposed at the front face of the main body, and a plurality of dot prisms disposed in an array at the rear face of the main body, the dot prisms being spaced apart from each other, each of the dot prisms including prism parts, sizes of the dot prisms increasing as a distance from the at least one side face increases.

Abstract: 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.

Abstract: 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 predetermined pattern formed by a plurality of transmissive regions and a plurality of reflective regions, 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 lenticular lenses on the front surface of the second optical sheet.

Abstract: A light guide plate includes a light incident surface for receiving light, first and second light emission surfaces for emitting light at a first light emission angle with respect to the first and second light emission surfaces, and a light reflection pattern formed on the first light emission surface, for reflecting the light toward the second light emission surface. The reflected light from the light reflection pattern exits the second light emission surface at a second light emission angle with respect to the second light emission surface, and the second light emission angle is larger than the first light emission angle. The light reflection pattern includes multiple dots each having a prim pattern on their surface and light reflecting surfaces elongated in a selected direction. The adjacent light reflecting surfaces meet each other at their elongated edges to form a prism shape.

Abstract: A diffuser prism sheet includes a transparent base film having a first surface and a second surface, a light refractor at the first surface of the base film, the light refractor including a plurality of unit prisms having a major axis extending in a first direction and having a predetermined cross sectional shape that defines valleys between adjacent unit prisms, and light diffusers including amorphous polygonal bosses in the valleys between adjacent unit prisms.

Abstract: A light guide plate includes a main body having opposing side faces, and front and rear faces connected to the opposing side faces, the front face being adapted to output light incident on at least one of the side faces, a plurality of front prisms disposed at the front face of the main body, and a plurality of dot prisms disposed in an array at the rear face of the main body, the dot prisms being spaced apart from each other, each of the dot prisms including prism parts, sizes of the dot prisms increasing as a distance from the at least one side face increases.