A display system and a lens assembly for eliminating color dispersion thereof is disclosed. The lens assembly includes a first concave lens, a circular polarizer, and a magnifying convex lens assembly. The first concave lens has a light-receiving surface and a concave surface opposite to each other. The light-receiving surface is a plane or a convex surface. The circular polarizer may be arranged on the concave surface of the first concave lens to have a curved shape corresponding to the concave surface. The magnifying convex lens assembly is arranged on the circular polarizer through an optical adhesive. The first concave lens, the circular polarizer, and the magnifying convex lens assembly are sequentially arranged along an optical axis. When the light-receiving surface is a convex surface, the circular polarizer is arranged on the light-receiving surface to have a curved surface corresponding to the convex surface.

A display device includes a display panel, a color separation element configured to disperse light from a light source and to emit, to the display panel, a plurality of rays of separated light with wavelengths different from each other, and an outer adhesive portion that bonds a side surface of the display panel and the color separation element to each other over an entire perimeter of the display panel.

A light emitting device includes a light source which emits source light having a first wavelength, a fluorescent substance which excites fluorescent light having a second wavelength by the source light and emits the source light and the fluorescent light as illumination light, a fly-eye lens, and a light shielding unit. In the illumination light, a first wavelength component in a first region which is a portion of a region in a cross-sectional view with respect to the traveling direction of the light is smaller than that in a second region which is a region other than the first region. The light shielding unit includes a diaphragm unit which shields the illumination light L and a filter which shields the light having the second wavelength of the illumination light in the second region and transmits the light having the first wavelength of the illumination light in the second region.

There is provided a display device exhibiting a good color reproducibility, even when observed through polarized sunglasses. A display device comprises a display element, and a polarizer a and an optical film X on a surface on a light emitting surface side of the 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 polymerizable composition of the present invention has favorable solubility, and an optically anisotropic body using the polymerizable composition is unlikely to discolor and is excellent in heat resistance and light resistance. The problem to be solved by the present invention is to provide a polymer obtained by polymerizing the polymerizable composition and an optically anisotropic body using the polymer. The present invention relates to a polymerizable composition which includes a compound having at least one mesogenic group and satisfying an expression represented by Expression (1), and which satisfies an expression represented by Expression (2).

0.5YI/n500Expression (2)

The present invention relates to an optical film, a polarizing plate including the same, and a display device. The exemplary optical film may have a desired wavelength dispersion characteristic using positive and negative uniaxial retardation films satisfying a predetermined condition. In addition, the optical film has a desired wavelength dispersion characteristic, and thus may be utilized in various fields requiring delicate control of optical properties. For example, the optical film can be useful in the polarizing plate used to prevent reflection and ensure visibility in the display device.

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 device is provided. The device includes an optical film including optically anisotropic molecules configured to form a plurality of helical structures with a plurality of helical axes and a helical pitch. The helical pitch is a distance along a helical axis over which an azimuthal angle of an optically anisotropic molecule vary by a predetermined value. Over the helical pitch of a helical structure, the azimuthal angle of the optically anisotropic molecule is configured to vary nonlinearly with respect to a distance from a starting point of the helical pitch to a local point at which the optically anisotropic molecule is located along the helical axis.

A display system and a lens assembly for eliminating color dispersion thereof is disclosed. The lens assembly includes a first concave lens, a circular polarizer, and a magnifying convex lens assembly. The first concave lens has a light-receiving surface and a concave surface opposite to each other. The light-receiving surface is a plane or a convex surface. The circular polarizer may be arranged on the concave surface of the first concave lens to have a curved shape corresponding to the concave surface. The magnifying convex lens assembly is arranged on the circular polarizer through an optical adhesive. The first concave lens, the circular polarizer, and the magnifying convex lens assembly are sequentially arranged along an optical axis. When the light-receiving surface is a convex surface, the circular polarizer is arranged on the light-receiving surface to have a curved surface corresponding to the convex surface.

A method for manufacturing a liquid crystal device includes preparing a precursor solution comprising a monomer, a blue dye, a green dye, and a red dye dissolved in the monomer, and liquid crystal molecules; and polymerizing the monomer of the precursor solution to form a liquid crystal layer. The blue dye, the green dye, and the red dye reflect light of different wavelengths from each other. A black color is available in a single pixel when, based on total amount of the blue dye, the green dye, and the red dye, the blue dye is present in an amount ranging from about 25 wt % to about 30 wt %, the green dye is present in an amount ranging from about 40 wt % to about 50 wt %, and the red dye is present in an amount ranging from about 25 wt % to about 30 wt %.