Abstract: The present invention relates to a method for manufacturing an optical filter for a three-dimensional image display device, which forms an alignment layer having different orientating directions along a fine region via a one-time continuous optical orientation process. The method comprising: forming a polymer layer on a substrate; a photo-orienting step comprising positioning a pattern mask above the polymer layer, the pattern mask having alternating light transmission regions and light shield regions arranged in both horizontal and a vertical directions to selectively transmit different polarized light, positioning a polarizer above the pattern mask where the polarizer has two distinguishable regions that transmit different polarized light, and downwardly irradiating UV light onto the polymer layer from above the polarizer, thereby forming an alignment layer having different orientating directions in fine regions of the polymer layer; and forming a retardation layer on the orientation layer.

Abstract: There is provided a process of making a mold for optical films. The process of making a mold for optical films comprises: etching a stereostructure in a surface of the mold having a flat surface or an engraved convex and concave surface, by using a laser beam. The process of making a mold for optical films may be useful to easily mark spots, to control the height of protrusions and the position where the protrusions are formed, and also to form the protrusions having constant depths even in a curved surface such as a convex and concave surface.

Abstract: There is provided an optical film for backlight units or illuminators. The optical film comprises a light-incident portion and a light exit portion. Here, the optical film is characterized in that it comprises a plurality of protrusions formed on at least one of the light-incident portion and the light exit portion, wherein a plurality of the protrusions satisfies the requirements of the following Equation: 80×H1/3 ?P?200×H1/3 and 0.I×D?H?D, provided that a mean diameter of protrusions is represented by ‘D’, a mean height of protrusions is represented by 1H’, and a mean distance between adjacent protrusions is represented by ‘P’. Therefore, the optical film may be useful to suppress blocking between films and the formation of surface defects, which are caused by the Moire, Newton ring and wet-out phenomena, without degrading the brightness.

Abstract: There is provided a process of making a mold for optical films. The process of making a mold for optical films comprises: etching a stereostructure in a surface of the mold having a flat surface or an engraved convex and concave surface, by using a laser beam. The process of making a mold for optical films may be useful to easily mark spots, to control the height of protrusions and the position where the protrusions are formed, and also to form the protrusions having constant depths even in a curved surface such as a convex and concave surface.

Abstract: There is provided a condensing film for an LCD backlight unit. The condensing film including a film unit; a light outgoing unit formed in an upper surface of the film unit; and a light ingoing unit formed in a lower surface of the film unit, wherein a light diffuser is included inside the condensing film. The condensing film may be useful to widen a viewing angle and prevent the formation of hot bands by improving luminance distribution characteristics of light emitted from the condensing film since the condensing film includes a light diffuser capable of diffusing the light.

Abstract: Disclosed is a method of patterning a conductive layer, a method of manufacturing a polarizer using the method and a polarizer manufactured using the same, and a display device having the polarizer. The method of patterning the conductive layer includes (a) patterning a resin layer to form grooves and protrusions, and (b) applying a conductive filling material on the resin layer so as to form a pattern using stereoscopic shapes of the grooves and the protrusions on the patterned resin layer.

Abstract: There is provided a condensing film for an LCD backlight unit. The condensing film includes a base member unit; a condenser unit disposed in an upper surface of the base member unit and having unit lens groups sequentially arranged thereon, each of the unit lens group being composed of a combination of at least two lenses that are different in shape; and a reflector unit disposed in a lower surface of the base member unit and composed of an opening through which light passes and a reflective surface from which the light reflects. The condensing film configured thus may be useful to solve the problems regarding the viewing angle and the uniformity in brightness of a screen since the condensing film has a more moderate distribution of emitted light than the conventional condensing films.

Abstract: The present invention provides an anistropic diffusion sheet, which comprises an isotropic diffusion layer for isotropically diffusing the light incident from the light source portion by internal light scattering; and a plurality of reflectors which is disposed at an interval on the upper surface of the isotropic diffusion layer, so as to reflect the light isotropically diffused by the isotropic diffusion layer to the display panel, wherein the light, emitted from the light source portion and then becomes incident to the isotropic diffusion layer, is isotropically diffused through the isotropic diffusion layer, the light isotropically illuminated by the isoptropic diffusion layer is the reflected by the plurality of reflector to be anisotropically diffuse, and this anisotropically diffused light becomes incident to the liquid crystal display panel.

Abstract: Disclosed herein is an IPS-LCD using two sheets of negative (?) biaxial retardation films and one +C-plate. The IPS-LCD has a superior contrast ratio at the surface-facing angle and tilt angles and undergoes a minimal color change with viewing angles in a black state, thereby providing a wider viewing angle.

Abstract: The present invention relates to a method of forming a nanopattern, and, more particularly, to a method of continuously forming a nanopattern in a large area and a method of forming a nanopattern on a substrate having a roll shape, and a substrate having a pattern formed using the method. A method of relatively moving a specimen having a large area and a light source of interfering light and a method of performing exposure through the relative axial movement of the light source of interfering light and the substrate having a roll shape while the substrate having a roll shape rotates are used to avoid the problems occurring in the related art, such as a large space required for the equipment during the formation of nanopatterns, a limited output of a laser, and a limited degree of freedom in patterns.

Abstract: The present invention provides an anistropic diffusion sheet, which comprises: an isotropic diffusion layer for isotropically diffusing the light incident from the light source portion by internal light scattering; and a plurality of reflectors which is disposed at an interval on the upper surface of the isotropic diffusion layer, so as to reflect the light isotropically diffused by the isotropic diffusion layer t the display panel, wherein the , emitted from the light source portion and then becomes incident to the isotropic diffusion layer, is isotropically diffused through the isotropic diffusion layer, the light isotropically illuminated by the isoptropic diffusion layer is the reflected by the plurality of reflector to be anisotropically diffuse, and this anisotropically diffused light becomes incident to the liquid crystal display panel.

Abstract: A lenticular sheet obtained by the method including forming lenticular lens section on the input side of the sheet; forming an irregular section having a plurality of depressions and protrusions on the output side of the sheet; forming a light-absorbing layer on each protrusion; and filling each depression with a light-transmittable resin. The lenticular sheet provides a tolerance needed for fine pitch pattern processing and can be manufactured by using a conventional printing process as it is, thereby providing excellent contrast characteristics as well as excellent moldability.