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 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 multi-view luminance measuring device includes: a base substrate having a long side extending in a first direction and a short side extending in a second direction, wherein the long side is curved with a first curvature; a plurality of lenses positioned on an inner surface of the base substrate; and a plurality of optical sensors positioned on the base substrate to respectively correspond to the plurality of lenses, wherein the first curvature is set such that a distance between each of the plurality of lenses and a target point is constant, and wherein a length of the long side of the base substrate is set to cover a viewing angle with reference to the target point.

Abstract: A system for evaluating a display device includes a display device including a display panel outputting images for a plurality of viewpoints and a lens array refracting the images; and a viewing angle meter disposed on a measuring point of the display device and extracting a viewing angle for each of the plurality of viewpoints. The viewing angle meter determines an optimal viewing coordinates of refracted images corresponding to each of the plurality of viewpoints based on the viewing angle.

Abstract: A system for evaluating a display device includes a display device including a display panel outputting pattern images for viewpoints and a lens array refracting the pattern images, and a luminance meter generating a luminance profile by capturing the pattern images. Each of the pattern images includes a pattern.

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 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 light measuring device includes: a first lens; a first variable opening located in a first direction from the first lens at a predetermined distance; a second lens located in the first direction from the first variable opening at a predetermined distance; a second variable opening located in the first direction from the second lens; a third lens located in the first direction from the second variable opening; and a light receiving unit located in the first direction from the third lens at a predetermined distance, wherein a diameter of the first variable opening and a diameter of the second variable opening are independently adjusted.

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 multi-view luminance measuring device includes: a base substrate having a long side extending in a first direction and a short side extending in a second direction, wherein the long side is curved with a first curvature; a plurality of lenses positioned on an inner surface of the base substrate; and a plurality of optical sensors positioned on the base substrate to respectively correspond to the plurality of lenses, wherein the first curvature is set such that a distance between each of the plurality of lenses and a target point is constant, and wherein a length of the long side of the base substrate is set to cover a viewing angle with reference to the target point.

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 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 area and a plurality of sub-pixels disposed in the display area; an optical member bonded onto the display panel; and a display driving unit configured to receive a correction coefficient for each viewing viewpoint of the display panel from a checking device of the display panel, to which the optical member is bonded, configured to correct image data for each viewing viewpoint using the correction coefficient for each viewing viewpoint, and configured to drive the display panel so that an image according to the corrected image data is displayed in the display area.

Abstract: A display device includes: a display panel including an active region, an inactive region disposed adjacent to the active region, and a first alignment mark, wherein a plurality of sub-pixels are disposed in the active region, and the first alignment mark is positioned at a first distance in a first direction from an alignment reference pixel disposed adjacent to a boundary of the active region; and an optical member including a plurality of lenses and a second alignment mark, wherein the plurality of lenses are disposed to be inclined at a first angle with respect to a direction in which the plurality of sub-pixels are arranged, and wherein the second alignment mark is positioned at the first distance in the first direction from the alignment reference pixel and is positioned at a second distance in a second direction, crossing the first direction, from the first alignment mark.

Abstract: An optical device includes: a lens including a first lens portion having a first curved surface with a first curvature and a second lens portion having a second curved surface corresponding to the first curved surface; a display device disposed on a first side surface of the lens; a convex lens disposed between the first side surface of the lens and the display device; and a reflector disposed on the first curved surface of the first lens portion of the lens, the reflector configured to reflect light of the display device refracted by the convex lens toward a user's eye.

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.