Abstract: An optical device and a stereoscopic image display device are provided. The optical device according to one embodiment may be a light-dividing device, for example, a device that can divide incident light into at least two kinds of light having different polarized states. For example, the optical device can be used to realize a stereoscopic image.

Abstract: An optical element is provided. The optical element shows excellent durability, hardness property and reworkability. Therefore, the optical element can have a stable light division property since the phase retardation property of the phase retardation layer in the optical element can be stably maintained for a long period of time under severe conditions. Also, it is possible to prevent side effects such as light leakage in an optical instrument to which the optical element is applicable. Also, the optical element can show excellent resistance to external pressure or scratches.

Abstract: The present application relates to a liquid crystal composition, a liquid crystal cell, a liquid crystal film, and methods of preparing the same. As an exemplary liquid crystal composition, according to the present application can provide a liquid crystal layer aligned without a special alignment layer. According to the liquid crystal composition, all of the liquid crystal cell, in which the liquid crystal layer is maintained in a non-polymerized state, and the liquid crystal film prepared by polymerizing the liquid crystal layer can be provided.

Abstract: A liquid crystal composition, a liquid crystal film and a display device are provided. The liquid crystal composition can be uniformly aligned with no problems such as dewetting in an operation of aligning horizontally alignable liquid crystals. Also, a state of the aligned liquid crystal compound can be stably maintained.

Abstract: An optical element and a stereoscopic image display device are provided. The optical element is a light-dividing element, for example, an element that can divide incident light into at least two kinds of light having different polarized states. Therefore, the optical element can be used to realize a stereoscopic image.

Abstract: A stereoscopic image display device (hereinafter, referred to as a “3D device”) and polarizing glasses are provided. According to the 3D device and polarizing glasses, a three-dimensional image having excellent crosstalk ratio and color characteristics can be observed.

Abstract: A patterned retardation film includes: a substrate; a first alignment film and a second alignment film disposed on the substrate, processed by different alignment processes and having different alignment directions; and a liquid crystal layer disposed on the first alignment film and the second alignment film, wherein the liquid crystal layer is patterned into a first region, which is aligned by the first alignment film, and a second region, which is aligned by the second alignment film.

Abstract: A mask and an optical filter manufacturing apparatus including the same are provided. A mask used for a roll-to-roll process of forming patterns in a base film configured to move along a curved surface includes a mask body having a curved surface disposed opposite a roll around which the base film is wound and a plane surface corresponding to the reverse side of the curved surface. The curved surface of the mask body is disposed a predetermined distance apart from a curved surface of the roll. The mask and optical filter manufacturing apparatus enable formation of uniform patterns on the base film to enhance the quality of products and precisely attain the properties of the base film.

Abstract: The present invention relates to a composition comprising a curable dichroic dye and a curable liquid crystal compound, which are used to prepare an optical component that is vertically oriented to give a narrow viewing angle, to form an optical component, and an optical component comprising an optical component layer prepared using the same. There is provided a composition for forming an optical component comprising 0.1-90 parts by weight of a dichroic dye and 10-98.85 parts by weight of a curable liquid crystal compound, and there is also provided an optical component comprising an optical component layer in which a curable liquid crystal compound and a curable dichroic dye are vertically oriented.

Abstract: An optical element and a stereoscopic image display device are provided. The optical element is a light-dividing element, for example an element that can divide incident light into at least two kinds of light having different polarized states. Therefore, the optical element can be used to realize a stereoscopic image.

Abstract: An optical element and a stereoscopic image display device are provided. The optical element is a light-dividing element, for example an element that can divide incident light into at least two kinds of light having different polarized states. Therefore, the optical element can be used to realize a stereoscopic image.

Abstract: There is provided a novel dichroic dye having liquid crystal properties, dichroic properties and polymerizable reactivity, the dichroic dye being used to form a color filter layer having excellent physical properties such as dichroic ratio, heat resistance, durability, high contrast ratio and polarizing properties, a composition comprising the same for color filter, a color filter array plate (an upper plate) prepared therefrom, and a liquid crystal display comprising the color filter array plate. The dichroic dye has a structure of R1-L1-M-L2-D (wherein, D is a dichroic structure, M is a structure with liquid crystal properties, R1 is a reactive end functional group, and L and L1 are linking structures that link R1, M, and D), and the composition for forming a color filter layer includes the dichroic dye.

Abstract: The present invention may provide a stereoscopic image display device capable of preventing crosstalk or reduction of viewing angles upon displaying stereoscopic images, and improving image quality such as contrast ratio; an optical filter for the stereoscopic image display device; polarizing glasses for observing stereoscopic images; or a method of improving stereoscopic image quality.

Abstract: A light irradiation apparatus and a method of manufacture a photo-aligning layer are disclosed. A mask included in a light irradiation apparatus according to one embodiment is configured to irradiate the light having straightness at a high level of illumination to a subject that is apart from the mask with a certain distance. A photo-aligning layer with a desired alignment pattern can be fabricated using the mask.

Abstract: A mask and an optical filter manufacturing apparatus having the same are provided. The optical filter manufacturing apparatus includes a roll used in a roll-to-roll process, a base film wound around the roll, a light source that generates light for exposure, a polarizing plate that is installed at an emission side of the light source and polarizes light generated from the light source, and a mask that causes a pattern to be formed on the base film and includes a plurality of guide slits that are opened to have a predetermined thickness and a predetermined width. According to the present invention, the entire surface of the base film can be irradiated with a uniform light quantity. Thus, a pattern can be uniformly formed on the base film, the quality of a product can be improved, and the characteristics of the base film can be accurately realized.

Abstract: Provided are a stereoscopic image display device and a method of manufacturing the same. The method of manufacturing a stereoscopic image display device and the stereoscopic image display device manufactured by the method may minimize a phenomenon capable of degrading a stereoscopic image quality such as crosstalk, have wide viewing angle and excellent contrast characteristics and realize excellent quality of the stereoscopic image.

Abstract: There is provided a polarizer for organic light emitting diodes (OLED) having improved brightness. The polarizer, which comprises a linear polarizer and a ¼ retardation plate, comprises a reflective polarizer film disposed between the linear polarizer and the ¼ retardation plate and transmitting a polarized light horizontal to the transmission axis of the linear polarizer while reflecting a polarized light vertical to the transmission axis of the linear polarizer. The polarizer may be useful to highly improve the brightness of the OLED device when the polarizer is used in the OLED device.

Abstract: This application relates to a display device and a method for preparing a display device. According to one illustrative display device or method for preparing a display device, for example, a stereoscopic image may be displayed in wide viewing angles without losses of the brightness.

Abstract: An optical device is provided. The optical device according to one embodiment may be a light-dividing device, for example, a device that can divide incident light into at least two kinds of light having different polarization states. For example, the optical device can be used to realize a stereoscopic image.

Abstract: An optical element and a stereoscopic image display device are provided. The optical element is a light-dividing element, for example, an element that can divide incident light into at least two kinds of light having different polarized states. Therefore, the optical element can be used to realize a stereoscopic image.