Disclosed are an optical element which offers certain direction of light diffusion by disposing, in a resin having a refractive index n1, an anisotropic polymer having a refractive index n2 different from n1 in a predetermined direction, and a display device including the same. Such control of viewing angles is possible without using any louver pattern and eliminates the necessity of an additional brightness enhancement film, thus advantageously decreasing manufacturing costs and preventing defects such as diagonal line spots.

To provide a transparent substrate with excellent appearance and with high visibility when observed from a predetermined direction, and a process for producing it. A transparent substrate comprising a substrate having a curved surface on at least a part of its front surface, and an antiglare layer formed on the center region and the edge region of the curved surface, wherein the absolute value of the difference between the 60 specular glossiness at the center region and the 60 specular glossiness at the edge region is higher than 20%.

The present disclosure relates to a display apparatus including a liquid crystal panel, first and second polarizing plates coupled to the front and rear of the liquid crystal panel, respectively, and a light absorbing layer on which light passed sequentially through the first polarizing plate, the liquid crystal panel is incident, wherein the light absorbing layer is disposed on a front surface of the second polarizing plate positioned in the front of the liquid crystal panel. The light absorbing layer includes a first resin layer, a second resin layer on which light passed through the first resin layer is incident, the second resin layer having a refractive index higher than that of the first resin layer, and light absorbing portions disposed on the first resin layer and configured to absorb a part of light passing through the light absorbing layer. Through this configuration, a viewing angle of the display apparatus is improved.

This invention discloses a method of forming a prism sheet. The method comprises: providing a substrate having a major light input surface and a major light output surface opposite to the major light input surface; forming a prismatic structure on the major light output surface of the substrate; and forming an uneven structure on the major light input surface of the substrate, wherein forming the uneven structure on the major light input surface of the substrate comprises: providing a hard tool having a smoothly-curved shape such that the penetrating width of the hard tool increases as the penetrating depth of the hard tool increases; penetrating the hard tool into a mold and repeatedly moving the hard tool up and down to form a plurality of smoothly-curved concave shapes along a first path on the mold; and using the cut surface of the mold to emboss a thin film on the second path corresponding to the first path on the major light input surface of the substrate to form a plurality of convex shapes one-to-one corresponding to the plurality of smoothly-curved concave shapes on the second path on the major light input surface of the substrate; wherein the hard tool is not pulled away from the uncut surface of the mold so as to form the cut mold for embossing the thin film on the major light input surface of the substrate such that there is no space between each two adjacent convex shapes along the second path on the major light input surface of the substrate to maximize the uneven optical diffusing area on the second path on the major light input surface of the substrate.

An array substrate, a method for manufacturing the same, a liquid crystal display panel, and a display device are provided. The array substrate includes a first substrate; signal lines and an insulating layer; the insulating layer is disposed on the first substrate, and grooves are disposed on a side of the insulating layer facing away from the first substrate and disposed in a region of the insulating layer corresponding to a non-display region of the arm substrate; and the signal lines are disposed on inner walls of the grooves, a direction of the inner walls of the grooves is arranged such that at least a portion of light incident on the signal lines from a side of the first substrate facing away from the signal lines is reflected to a display region of the array substrate.

A light valve device includes a driving substrate having a shading zone and a photic zone. A shading unit includes a first shading plate, two driving devices, and second shading plates respectively connected to the two driving devices. The driving devices and the first shading plate are fixed in the shading zone adjacent to the driving substrate. The first shading plate is between the two driving devices. The driving devices are operable to drive the two second shading plates close to the first shading plate to make the second shading plates face the photic zone of the driving substrate for preventing light entering the driving substrate. By locating the light valve device under the sub pixel, the dynamic contrast can be raised to promote the display effect.

There is provided an optical member capable of causing, when used for a liquid crystal display apparatus, light output from a light source to enter a liquid crystal display panel with high efficiency. An optical member according to an embodiment of the present invention includes: a polarizing plate; a reflective polarizer; a /4 plate; and a prism layer, the polarizing plate, the reflective polarizer, the /4 plate, and the prism layer being integrated in the stated order.

A film wrapping display includes a display device configured to display information in a display area by emitting light, a transparent plate disposed on a display surface side of the display device, a bezel disposed around a periphery of the display device and including a support portion that supports the transparent plate, and a film continuously attached to both of the transparent plate and the bezel. A periphery of the display area where the transparent plate is supported by the support portion is an edge portion. The edge portion includes a decorative layer whose pattern or color is different from that of the display area.

An image source unit includes a liquid crystal panel, a surface light source device, and an optical sheet, the optical sheet including: a substrate layer; and an optical function layer that is layered on one surface of the substrate layer, and has a plurality of light transmission parts which are arranged in a row along a surface of the substrate layer so as to be light-transmissive, and light absorption parts in a row, each of which is arranged between adjacent ones of the light transmission parts so as to be light-absorptive, wherein on a cross section of the optical function layer in the layer thickness direction, a cross-sectional area of one of the light transmission parts to the total cross-sectional area of one of the light transmission parts and one of the light absorption parts which are adjacent to each other is 78.2% to 88.5%, and the liquid crystal panel is arranged on the optical sheet on a side opposite to the surface light source device.

A display module includes a backlight module, a liquid crystal layer disposed on the backlight module, and a first light-expanding layer disposed on the liquid crystal layer. The backlight module provides a surface light source. The surface light source forms an image light through the liquid crystal layer, and the first light-expanding layer increases the viewing angle range of the image light along a first direction. The first light-expanding layer substantially extends along a virtual plane, the first direction is perpendicular to the normal of the virtual plane, and a second direction is perpendicular to the first direction and the normal of the virtual plane. The light intensity at the 60-degree viewing angle of the surface light source along the first direction is lower than the light intensity at the 60-degree viewing angle of the surface light source along the second direction.