Abstract: A mapping function extraction system includes a scan unit for generating appearance data of a multi-channel lens by scanning the multi-channel lens, a comparison unit for generating correction data by comparing the appearance data with pre-stored standard appearance data, and an extraction unit for generating a mapping function by applying the correction data to a pre-stored standard mapping function.

Abstract: A head-mounted display device includes a display panel and an optical system positioned on a front surface of the display panel, wherein the display panel sequentially includes a light emitting element unit, a retarder positioned on a front surface of the light emitting element unit, a reflective polarizer, and an absorptive polarizer, wherein the optical system includes a first curved lens configured to include a first retarder positioned on an inner surface and a beam splitter positioned on an outer surface and a second curved lens configured to include a second retarder positioned on an inner surface and a reflective polarizer positioned on an outer surface, wherein the first curved lens is positioned on the display panel, and the second curved lens is positioned on the first curved lens, and wherein the absorptive polarizer of the display panel includes an open portion from which the absorptive polarizer is removed.

Abstract: A display device includes: a base layer; a pixel circuit layer disposed on the base layer, wherein the pixel circuit layer includes a pixel circuit; a light emitting element layer disposed on the pixel circuit layer, wherein the light emitting element layer includes a light emitting element electrically connected to the pixel circuit; and a reflective structure layer disposed on the light emitting element layer, wherein the reflective structure layer includes: a first intermediate layer disposed on the light emitting element; a first reflective layer disposed on the first intermediate layer; a second intermediate layer disposed on the first reflective layer; and a second reflective layer disposed on the first reflective layer while being spaced apart from the first reflective layer, wherein the first reflective layer includes a first curved surface, and wherein the second reflective layer includes a second curved surface which faces the first curved surface.

Abstract: A display device includes a display part including a plurality of pixels; a lens part disposed on the display part; and a plurality of optical devices overlapping an edge of the display part in a plan view and disposed at an edge of the lens part, wherein light from the outside of the display part is incident on the plurality of optical devices.

Abstract: An auxiliary display device, which is connected to first and second display devices, includes: a display panel; upper and lower holders respectively connected to upper and lower portions of the display panel; an upper fixing portion connected to the upper holder to fix an upper end of the auxiliary display device to upper ends of the first and second display devices; and a lower fixing portion connected to the lower holder to fix a lower end of the auxiliary display device to lower ends of the first and second display devices, where when the first and second display devices are connected to each other by the upper fixing portion and the lower fixing portion, the display panel covers adjacent bezel areas of the first and second display devices.

Abstract: A display device includes a substrate, a bank disposed on the substrate and having a multi-layered structure having an opening, a light emitting element disposed in the opening and including a pixel electrode, a light emitting layer, and a common electrode, a thin film encapsulating layer disposed on the light emitting element and the bank, a micro lens disposed on the thin film encapsulating layer and overlapping the light emitting element, and a light control layer disposed on the thin film encapsulating layer and surrounding the micro lens. A refractive index of the micro lens is greater than a refractive index of the light control layer. The pixel electrode is disposed in the opening and extends along an inner surface of the bank, and the light emitting layer extends along the inner surface of the bank on the pixel electrode.

Abstract: A head-mounted display is provided, and the head-mounted display includes a pair of frames mounted on the user's body and corresponding to the left and right eyes, a display unit including a pair of display panels respectively mounted to the pair of frames and a pair of multi-channel lenses disposed on a light output path of the pair of display panels and a driving member connected to the pair of frames to allow the frame to tilt and/or move up, down, left, and right, wherein the driving member aligns a center of each of the pair of multi-channel lenses up, down, left, and right with the center of the corresponding eyeball, adjusts an angle of the multi-channel lens, and adjusts a distance between the multi-channel lens and an eye.

Abstract: A distortion calibration device includes an image acquisition unit which acquires a plurality of test images generated by capturing an image, which is displayed on a display panel, for each channel of the multi-channel lens by a camera and a plurality of reference images generated for each channel with respect to the multi-channel lens and the display panel, and a mapping data generator which acquires an error per channel between the plurality of test images and the plurality of reference images with respect to each channel and generates calibration data for compensating the error per channel to generate calibration mapping data based on reference mapping data and the calibration data.

Abstract: A display device and a wearable device. The display device may include at least one display panel comprising multiple subsidiary display panels, wherein images output from the subsidiary panels are extended to one another to form a single screen image and at least one multi-channel lens including multiple subsidiary lenses to provide multiple channels for light incident onto the subsidiary lenses, respectively, wherein the subsidiary display panels are associated with the subsidiary lenses, respectively, and the subsidiary display panels are inclined at a first angle from a reference plane so that their front surfaces face the respective subsidiary lenses.

Abstract: A display device includes a display portion including a first surface, from which light is emitted in a first direction, and a second surface opposite to the first surface, a first optical portion disposed on the first surface, and a second optical portion disposed on the first surface to be spaced apart from the first optical portion in a second direction crossing the first direction. Each of the first and second optical portions includes a multi-channel lens through which the light from the first surface passes, a first infrared light source, a first camera, and a first lens frame coupled to the multi-channel lens in the first direction to support at least a portion of the multi-channel lens. The first lens frame may include a first recess structure in which the first infrared light source is disposed and a second recess structure in which the first camera is disposed.

Abstract: A wearable device includes sensing blocks, and a connection member connecting the sensing blocks, the sensing blocks include a first sensing block and a second sensing block connected to the first sensing block by the connection member, and the first sensing block includes an induced electromotive force sensing module, the induced electromotive force sensing module includes a magnetic body, a coil not contacting the magnetic body and facing the magnetic body, a rod attached to the magnetic body and guiding a movement path of the coil, and an induced electromotive force sensor sensing an induced electromotive force generated in the coil by the coil and the magnetic body.

Abstract: A display device includes: a first display panel having a first resolution; a second display panel having a second resolution; and a first multi-channel lens and a second multi-channel lens disposed on one surface of the first display panel and including a plurality of channels through which light emitted from the one surface of the first display panel passes, where the second resolution is higher than the first resolution.

Abstract: An optical device includes: a display device configured to display an image; a camera mounting component on the display device; a camera on the camera mounting component; and a multi-channel lens on the camera covering the camera and the camera mounting component, wherein the camera comprises an image sensor.

Abstract: A display device includes a display member that displays an image, a multi-channel lens unit disposed in a light path of light emitted from the display member, a measurement member that measures a state of an eyeball that is viewing a video output through the multi-channel lens unit, and a processor that controls an intensity of a wavelength of light emitted from the display member by determining the degree of eyeball fatigue based on a measured value of the measurement member.

Abstract: A display device includes a display panel which displays an image on an image display surface thereof, at least one lens frame disposed on the image display surface to refract image display lights, and at least one multi-channel lens which forms exit paths of the image display lights refracted by the at least one lens frame for each of multiple channels.

Abstract: A display device comprises a substrate, a sub-pixel disposed on the substrate and that includes a pixel electrode, a light emitting layer, and a common electrode, a pixel defining layer that defines the sub-pixel, a capping layer disposed on the pixel defining layer, a micro lens disposed on the capping layer and that overlaps the sub-pixel; and a total reflection pattern disposed on the capping layer and that overlaps the pixel defining layer and surrounds the micro lens. The micro lens has a refractive index greater than a refractive index of the total reflection pattern and less than or equal to a refractive index of the capping layer.

Abstract: A head mount display device, includes: a display panel; and an optical system positioned in front of the display panel. The display panel sequentially includes a light emitting element part, a third retarder, a reflective polarizer, and an absorptive polarizer, where the third retarder is positioned in front of the light emitting element part; and the optical system includes: a first curved lens, which is positioned to face the display panel, and includes a first retarder positioned on a first surface facing the display panel and a beam splitter positioned on a second surface thereof opposite to the first surface; and a second curved lens, which is positioned to face the beam splitter, and includes a second retarder positioned a first surface thereof facing the beam splitter and a second reflective polarizer positioned on a second surface thereof opposite to the first surface of the second curved lens.

Abstract: A display device includes a display part including a plurality of pixels; a lens part disposed on the display part; and a plurality of optical devices overlapping an edge of the display part in a plan view and disposed at an edge of the lens part, wherein light from the outside of the display part is incident on the plurality of optical devices.

Abstract: A backlight device includes: a light source to emit coherent light; an optical path difference generator on the light source, the optical path difference generator including an incident surface and a plurality of light emitting surfaces, the light emitting surfaces being parallel to the incident surface and having different separation distances from the incident surface; a light condenser on the optical path difference generator; a diffuser on the light condenser; and a collimator on the diffuser.

Abstract: An optical device includes: a display device configured to display an image; a camera mounting component on the display device; a camera on the camera mounting component; and a multi-channel lens on the camera covering the camera and the camera mounting component, wherein the camera comprises an image sensor.