Abstract: A method of controlling a display device includes rendering a plurality of viewpoint images, generating a plurality of sub-images based on the plurality of viewpoint images and a plurality of mapping pattern images corresponding to the plurality of viewpoint images, generating a single light-field image based on the plurality of sub-images, and outputting the single light-field image.

Abstract: A system for measuring a depth of a stereoscopic image includes a display device displaying a stereoscopic image at a predetermined depth of field; a holographic camera generating an interference pattern image by sensing a wavelength and a phase of light of the stereoscopic image; and a control unit calculating a plurality of modulated image data having image information of the stereoscopic image at each depth of the plurality of depths based on the wavelength and the phase of the light, calculating edges of a field in each of the plurality of modulated image data to obtain edge detection values, calculating a modulated signal by arranging the edge detection values according to a depth in the each of the plurality of modulated image data, calculating a first maximum value of the modulated signal, and calculating a first depth corresponding to the first maximum value as the depth of field.

Abstract: A display device includes a display panel, a lens array disposed on a first surface of the display panel and including a plurality of lenses, and an optical filter disposed on the first surface of the display panel. The optical filter includes a plurality of first portions and a plurality of second portions which are alternately arranged in a first direction parallel to the first surface of the display panel. Each of the plurality of first portions has a first transmittance value. Each of the plurality of second portions has a symmetric light transmittance distribution in which a transmittance value increases from the center having a second transmittance value to each of opposite ends having a third transmittance value.

Abstract: A display device includes a light source part including a first light source and a second light source, a collimation lens that collimates light incident from the light source part, a wave guide that guides and diffracts the light incident from the collimation lens, a spatial light modulator that modulates the light passing through the wave guide so as to form a holographic pattern for reproducing a holographic image, a focusing optical system that focuses the holographic image on a space, and a light separating plate disposed between the light source part and the collimation lens, the light separating plate separating light of the first light source and light of the second light source from each other.

Abstract: An optical device including: a display device configured to display an image; and a lens including a plurality of reflectors that reflect the image from the display device to a first surface of the lens, wherein the plurality of reflectors include: a first reflector; and a second reflector having a size different from a size of the first reflector.

Abstract: A display module includes a display panel having a plurality of pixels and a display driver configured to drive a partial portion of the plurality of pixels that are positioned in an alignment mark area to display an alignment mark in the alignment mark area. A stereoscopic lens including a base is disposed on the display module. A plurality of lenses is disposed on the base and includes at least one flat portion surrounded by the plurality of lenses and overlapping the alignment mark area.

Abstract: A display device includes a display panel including a plurality of pixels each including a light emitting layer, and a stereoscopic lens including a curved base disposed on a surface of the display panel with a predetermined radius of curvature, and a plurality of lenses disposed on the curved base and inclined from a side of the display panel. A thickness of the curved base of the stereoscopic lens increases as a distance from a center of the stereoscopic lens increases.

Abstract: An optical device includes: a lens including a first surface and a plurality of side surfaces; a display device on a first side surface from among the plurality of side surfaces, the display device being configured to provide light to the first side surface; and a first reflector in the lens and configured to reflect the light provided by the display device after the light is reflected from a second side surface from among the plurality of side surfaces to the first surface.

Abstract: An optical device includes: a lens including a first reflector; a display device at a first side surface of the lens and including a plurality of subpixels; and a lens array between the lens and the display device and including a plurality of lenses configured to condense light from the subpixels onto the first reflector.

Abstract: A display device includes a display panel including a display surface having a Lambertian light emission distribution, and a viewing angle modulator disposed on the display panel. The viewing angle modulator includes a first refractive layer including a diffraction structure on a surface, a refractive index conversion layer disposed on the first refractive layer and including an electro-optical material having a refractive index that changes when a voltage is applied to the electro-optical material, and a second refractive layer disposed on the refractive index conversion layer. The refractive index conversion layer includes a base layer, and an optical structure disposed on the base layer that changes a path of light incident on a surface facing the second refractive layer.

Abstract: An augmented reality providing apparatus is provided. The augmented reality providing apparatus includes a lens including a first lens portion including a first reflective member, and a second lens portion including a second reflective member, and a display device on one side of the lens for displaying first and second images, wherein the first reflective member reflects the first image at a first angle, and the second reflective member reflects the second image at a second angle that is different from the first angle.

Abstract: A light field display device includes: a display module; an optical coupler emitting a third image obtained by combining a first image and a second image, and including a first surface, a second surface and an emission surface emitting the third image, wherein the first image is emitted from the display module and is incident on the first surface, wherein the second image is incident on the second surface; and a controller configured to generate image data based on 3D modeling data and provide the image data to the display module. The optical coupler includes: an optical waveguide including the first, second and emission surfaces, and a third surface; a beam splitter in the optical waveguide; and a concave mirror adjacent to the third surface of the optical waveguide, and wherein the controller moves the concave mirror in correspondence with depth information included in the 3D modeling data.

Abstract: A flexible display device including a first display area including first data lines arranged in a first direction, first scan lines arranged in a second direction intersecting the first direction, a second display area including second data lines arranged in the first direction, second scan lines arranged in the second direction, a first circuit unit adjacent to a side of the first display area, a second circuit unit adjacent to a side of the second display area, and a third circuit unit between the first display area and the second display area.

Abstract: An optical device is disclosed. The optical device includes a first lens having a first surface and a plurality of side surfaces; a first display device disposed on a first side surface of the side surfaces of the first lens; and a first active mirror disposed in the first lens. The first active mirror is tilted at a first angle during a first period and is tilted at a second angle during a second period.

Abstract: An organic light emitting display device includes a substrate, a lower electrode, a light emitting layer, an upper electrode, and a light guide structure. The substrate includes a sub-pixel region and a transparent region. The lower electrode is disposed in the sub-pixel region on the substrate. The light emitting layer is disposed on the lower electrode, and includes an organic emission layer. The upper electrode is disposed on the light emitting layer. The light guide structure is disposed on the upper electrode, and partially overlaps the organic emission layer that is located at the sub-pixel region and the substrate that is located at the transparent region in a plan view.

Abstract: An augmented reality providing apparatus is provided. The augmented reality providing apparatus includes a lens including a first lens portion including a first reflective member, and a second lens portion including a second reflective member, and a display device on one side of the lens for displaying first and second images, wherein the first reflective member reflects the first image at a first angle, and the second reflective member reflects the second image at a second angle that is different from the first angle.

Abstract: An optical apparatus includes a lens including a first surface and a plurality of side surfaces, a display device disposed on a first side surface among the plurality of side surfaces of the lens and providing light to the first side surface of the lens, an optical path control device disposed between the first side surface of the lens and the display device and selectively changing an optical path of a virtual image of the display device, and a plurality of reflecting members disposed in the lens and reflecting light of the display device to the first surface.

Abstract: A display device includes an optical combiner including a first surface; a second surface disposed at a first side of the first surface; and a third surface disposed at a second side of the first surface; a diffractive optical element disposed on the first surface of the optical combiner; a first display panel disposed on the second surface of the optical combiner and displaying a first color image; and a second display panel disposed on the third surface of the optical combiner and displaying a second color image.

Abstract: A method of controlling a display device includes rendering a plurality of viewpoint images, generating a plurality of sub-images based on the plurality of viewpoint images and a plurality of mapping pattern images corresponding to the plurality of viewpoint images, generating a single light-field image based on the plurality of sub-images, and outputting the single light-field image.

Abstract: A display device includes a display panel including a display surface having a Lambertian light emission distribution, and a viewing angle modulator disposed on the display panel. The viewing angle modulator includes a first refractive layer including a diffraction structure on a surface, a refractive index conversion layer disposed on the first refractive layer and including an electro-optical material having a refractive index that changes when a voltage is applied to the electro-optical material, and a second refractive layer disposed on the refractive index conversion layer. The refractive index conversion layer includes a base layer, and an optical structure disposed on the base layer that changes a path of light incident on a surface facing the second refractive layer.