A liquid crystal display apparatus includes a liquid crystal panel; a viewer-side polarizing plate stacked on a light exit surface of the liquid crystal panel; and a first optical sheet and a second optical sheet sequentially stacked on a light incidence surface of the liquid crystal panel, and the viewer-side polarizing plate includes a polarizer and a contrast ratio or viewing angle-enhancing layer; the liquid crystal panel has a horizontal direction corresponding to a long side thereof and a vertical direction corresponding to a short side thereof; and the first optical sheet has a plurality of first optical patterns on a light exit surface thereof, an angle of a longitudinal direction of the first optical patterns relative to the vertical direction of the liquid crystal panel being from −10° to +10°.

A curved panel includes a first curved substrate, a second curved substrate, a curved coverlens, and an adhesive structure. The first curved substrate and the second curved substrate are overlapped with each other. First to fourth sidewalls of the first curved substrate correspond to fifth to eighth sidewalls of the second curved substrate, respectively. The first to third sidewalls of the first curved substrate extend beyond the fifth to seventh sidewalls of the second curved substrate, respectively. The second curved substrate is located between the curved coverlens and the first curved substrate. The second curved substrate is bonded to the curved coverlens through an adhesive layer. The adhesive structure is located between the first curved substrate and the curved coverlens and is laterally located between the first sidewall and the fifth sidewall, between the second sidewall and the sixth sidewall, and between the third sidewall and the seventh sidewall.

Disclosed herein is a display apparatus. The display apparatus includes a backlight unit configured to emit light, a display panel positioned in front of the backlight unit, and an optical film positioned in front of the display panel. The optical film includes a base layer positioned adjacent to the display panel, a first refractive layer positioned in front of the base layer and having a pattern including a first inclined portion totally reflecting some of light waves emitted from the backlight unit, and a second refractive layer positioned in front of the first refractive layer and having a lower refractive index than the first refractive layer.

A display panel is provided and includes a first substrate, a second substrate, a light shielding layer, a scattering pattern, a sealant, and a display medium layer. The second substrate is opposite to the first substrate. The light shielding layer is disposed on a top surface of the first substrate away from the second substrate. The scattering pattern is disposed underneath the light shielding layer. The sealant is disposed between the first substrate and the second substrate and shielded by the light shielding layer. The display medium layer is disposed between the first substrate and the second substrate and surrounded by the sealant.

A monochrome display is converted into a color display by including an electrically controllable planar color filter plate switchable between primary colors and operating the display in a color field sequential mode. Hence the requirement for a color switchable illumination source is eliminated. For example the illumination source may be a white OLED, an illumination type which, in combination with a microlens array, has proven well suited for directional displays. Further the need for a color mask is eliminated, thereby eliminating problems of moiree interference with a microlens array and further eliminating problems of diffraction patterns in infrared images captured through the display for example for observer tracking purposes. The electrically controllable planar color filter plate may comprise two wavelength dependent wave retarders and two liquid crystal cells.

A liquid crystal display device includes a light source, a light collection part, a liquid crystal part, and an anisotropic diffusion layer. The light source emits light. The light collection part collects the light emitted from the light source in the front direction of the liquid crystal display device so that, when an image is displayed, the light collecting property in a left-right direction is different from the light collecting property in an updown direction. The liquid crystal part controls a transmission state of the light collected by the light collection part using a liquid crystal. The anisotropic diffusion layer anisotropically diffuses the light transmitted through the liquid crystal part.

There is provided a display device exhibiting a good color reproducibility, even when observed through polarized sunglasses. A display device comprises a polarizer a and an optical film X on a surface on a light emitting surface side of a display element, wherein L.sub.1, which is the light incident vertically on the optical film X, among light incident on the optical film X from the display element side, satisfies a specific condition, and L.sub.2, which is the light emitting vertically from the light emitting surface side of the optical film X, and passing through a polarizer b having the absorption axis parallel to the absorption axis of the polarizer a, satisfies a specific condition.

A light deflection film and a display device using the same are provided. The display device includes a display panel and a light deflection film. The light deflection film is disposed on the display panel and includes a first layer, a second layer and a light deflection structure formed at an interface between the first layer and the second layer. The first layer has a first refractive index. The second layer is formed on the first layer and has a second refractive index. The first layer of the light deflection film is located between the second layer and the display panel, and the first refractive index is larger than the second refractive index.

Provided are a polarizing plate and a liquid crystal display device comprising the same, wherein the polarizing plate comprises a polarizer, a contrast ratio improvement film, an adhesive layer, and an antireflection film, which are sequentially laminated therein, the contrast ratio improvement film comprises a first protective layer, and a first resin layer and a second resin layer which are opposite to each other, the first resin layer includes an optical pattern including a pattern portion having a flat portion on one surface opposite to the second resin layer, and the adhesive layer has a haze of about 5% to about 40%.

A display unit of the disclosure includes a display panel and a light-distribution adjustment sheet. The light-distribution adjustment sheet is provided on the display panel, and includes a protrusion that protrudes toward the display panel. The protrusion includes a first region including a curved surface, and a second region including a flat surface.