Abstract: Proposed is a detachable lighting device including lighting units. The positions of the lighting units are changeable along a mounting rail within an interior space. The number of the lighting units and the mounting positions of the lighting units are adjustable. Accordingly, occupants within the interior space adjust light distribution as desired by each occupant.

Abstract: Proposed is a detachable lighting device including lighting units. The positions of the lighting units are changeable along a mounting rail within an interior space. The number of the lighting units and the mounting positions of the lighting units are adjustable. Accordingly, occupants within the interior space adjust light distribution as desired by each occupant.

Abstract: The present invention relates to a colorant composition including a first color material and a second color material, in which the first color material and the second color material each have a transmittance of 60% or less at a wavelength of 490 nm or more and 605 nm or less, a transmittance of 90% or more at a wavelength of 470 nm or less, and a transmittance of 98% or more at a wavelength of 620 nm or more.

Abstract: The present application relates to a photosensitive resin composition and a color filter using the same. If the photosensitive resin composition provided in the present application is used, since a color deeper than that of the related art can be implemented, in various thickness ranges of a color filter, color reproducibility may be increased and a contrast ratio may be increased.

Abstract: Disclosed are (A) an acrylic pressure-sensitive adhesive; and (B) an acrylic pressure-sensitive adhesive comprising an optically anisotropic compound having at least one substituent which contains an alkyl group, alkenyl group or alkynyl group at a meta-position of a mesogen. A polarizing plate and a liquid crystal display using the same are also disclosed. The optically anisotropic compound ensures excellent compatibility with the adhesive and high birefringence. Thus, main properties such as adhesion, reliability and durability in the conditions of high temperatures or high temperatures and high humidity are not worsened. Moreover light leakage is prevented by efficiently controlling the birefringence caused by shrinkage stress of the polarizing plate.

Abstract: The present invention relates to a pressure-sensitive adhesive composition, and a polarizer and a liquid crystal display (LCD) device using the pressure-sensitive adhesive composition, and more particularly, to a pressure-sensitive adhesive composition including (A) an acrylic copolymer and (B) a liquid optically-anisotropic compound having a mesogen core in its structure. The liquid optically-anisotropic compound having a mesogen core in its structure according to the present invention has superior solubility and compatibility with pressure-sensitive adhesive resin, and thus the pressure-sensitive adhesive composition including the liquid optically-anisotropic compound can relax stress caused by shrinkage of the polarizer and effectively compensate negative birefringence. Therefore, the polarizer and the LCD device using the pressure-sensitive adhesive composition can prevent light leakage originating from stress concentration in spite of long-term use.

Abstract: Disclosed are a silicon-containing compound, a liquid crystal composition comprising the same compound, and a liquid crystal display device comprising a liquid crystal layer prepared from the liquid crystal composition. The silicon-containing compound, which forms the liquid crystal composition, has low viscosity and high positive dielectric anisotropy. Therefore, it is possible to provide a liquid crystal display device, which has a fast response time and can be driven at a low voltage.

Abstract: The present invention relates to a novel gelling agent comprising of a silane-amide chemical structure, a liquid crystal gel comprising the same and a liquid crystal device comprising said liquid crystal gel. The liquid crystal gel comprised of the novel gelling agent has excellent compatibility with other materials, and has excellent stability and solubility during manufacturing process of the same, and thus it can be applied to the production of a highly adaptable liquid crystal device.

Abstract: The present invention relates to a radial-shaped liquid crystal compound, and an optical film and a liquid crystal display device comprising the same. Particularly the present invention provides a compound represented by Chemical Formula 1 comprising a radial-shaped core of tetraphenyl ethylene in which four phenyl groups are bonded to an ethylene group, and makes it possible to provide an optical film which can minimize the change of color according to viewing angle and has an improved contrast ratio and high refractive anisotropy, and a liquid crystal display device comprising the same, by using the compound.

Abstract: Disclosed is a novel liquid crystal compound, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there is provided a liquid crystal material of a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition.

Abstract: Disclosed are a biaxial liquid crystal compound, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there is provided a liquid crystal material of a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition.

Abstract: Disclosed is a discotic liquid crystal compound, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there is provided a liquid crystal material of a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition.

Abstract: Provided are an alkali soluble binder resin that includes a monomer including an unsaturated double bond, an unsaturated double bond character monomer including a carboxylic acid and an unsaturated double bond character monomer including an allyl group as a repeating unit, in which a molecular weight distribution (Mw/Mn) is in a range of about 2.0 to about 3.5, and a negative-type photosensitive resin composition including the alkali soluble binder resin. Re-solubility, fine-patterned substrate adhesion and dispersion stability may be improved by including the alkali soluble binder resin according to the present invention.

Abstract: Disclosed are a novel fluorene derivative, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there are provided a liquid crystal material for a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio measured at an oblique angle to the front and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition.

Abstract: The present invention relates to a novel gelling agent comprising of a silane-amide chemical structure, a liquid crystal gel comprising the same and a liquid crystal device comprising said liquid crystal gel. The liquid crystal gel comprised of the novel gelling agent has excellent compatibility with other materials, and has excellent stability and solubility during manufacturing process of the same, and thus it can be applied to the production of a highly adaptable liquid crystal device.

Abstract: The present invention relates to a radial-shaped liquid crystal compound, and an optical film and a liquid crystal display device comprising the same. Particularly the present invention provides a compound represented by Chemical Formula 1 comprising a radial-shaped core of tetraphenyl ethylene in which four phenyl groups are bonded to an ethylene group, and makes it possible to provide an optical film which can minimize the change of color according to viewing angle and has an improved contrast ratio and high refractive anisotropy, and a liquid crystal display device comprising the same, by using the compound.

Abstract: The present invention relates to a pyran derivative which manifests appropriate refractive anisotropy (optical anisotropy) and liquid crystal transition temperature and excellent dielectric anisotropy, and has excellent compatibility with various liquid crystal compounds, and thus, can be preferably used for the formation of a liquid crystal layer of a liquid crystal display device, its preparation method, a liquid crystal composition and liquid crystal display device comprising the same.

Abstract: The present invention relates to a pressure-sensitive adhesive composition, and a polarizer and a liquid crystal display (LCD) device using the pressure-sensitive adhesive composition, and more particularly, to a pressure-sensitive adhesive composition including (A) an acrylic copolymer and (B) a liquid optically-anisotropic compound having a mesogen core in its structure. The liquid optically-anisotropic compound having a mesogen core in its structure according to the present invention has superior solubility and compatibility with pressure-sensitive adhesive resin, and thus the pressure-sensitive adhesive composition including the liquid optically-anisotropic compound can relax stress caused by shrinkage of the polarizer and effectively compensate negative birefringence. Therefore, the polarizer and the LCD device using the pressure-sensitive adhesive composition can prevent light leakage originating from stress concentration in spite of long-term use.

Abstract: Disclosed are a novel liquid crystal compound containing a sulfone group, a liquid crystal composition comprising the same, and an optical film using the same liquid crystal composition. More particularly, there are provided a liquid crystal material for a viewing angle compensation film with high quality characteristics, which can improve a contrast ratio measured at a tilt angle to the front and minimize variations in color with viewing angles in a black state, a liquid crystal composition comprising the same liquid crystal material, and a compensation film obtained from the same liquid crystal composition.

Abstract: Disclosed are a silicon-containing compound, a liquid crystal composition comprising the same compound, and a liquid crystal display device comprising a liquid crystal layer prepared from the liquid crystal composition. The silicon-containing compound, which forms the liquid crystal composition, has low viscosity and high negative (?) dielectric anisotropy. Therefore, it is possible to provide a liquid crystal display device, which has a fast response time and can be driven at a low voltage.