Abstract: A display device and a manufacturing method thereof are provided. A display device includes: a substrate; a first electrode and a second electrode on the substrate, the first electrode and the second electrode being arranged on a same layer to be spaced apart from each other; a first insulating layer on the first electrode and the second electrode; and a light emitting element on the first insulating layer. The first insulating layer includes a groove concave toward the substrate, and the light emitting element is in the groove.

Abstract: A display device includes a first substrate, a wire pad in a pad area, first banks in a display area, electrodes on the first banks, a pad electrode base layer on the wire pad, having a greater width than the wire pad, and covering sides of the wire pad, a first insulating layer covering parts of the electrodes and part of the pad electrode base layer, light-emitting elements on the first insulating layer in the display area, respective ends of the light-emitting elements being on different electrodes, contact electrodes on the electrodes and contacting first ends of the light-emitting elements, and a pad electrode upper layer on the first insulating layer in the pad area and directly contacting the pad electrode base layer, wherein the pad electrode base layer includes the same material as the electrodes, and the pad electrode upper layer includes the same material as the contact electrodes.

Abstract: A display device includes: a substrate having a display area and a non-display area; and a pixel in each of a pixel area in the display area. Each of the pixels includes: an insulating layer on the substrate and having an opening; first and second electrodes on the insulating layer and spaced apart from each other; a plurality of light emitting elements in the opening; a first contact electrode electrically connecting one end of the light emitting elements and the first electrode to each other; a second contact electrode electrically connecting another end of the light emitting elements and the second electrode to each other; a first insulating pattern on the first contact electrode; and a second insulating pattern on the second contact electrode. The first insulating pattern and the second insulating pattern are on the same layer and spaced apart from each other.

Abstract: A display device includes a first base substrate including a light-emitting area and a non-light-emitting area around the light-emitting area, a wavelength conversion pattern on the first base substrate in the light-emitting area, and a light-emitting element layer on the wavelength conversion pattern. The light-emitting element layer includes a pixel electrode including a first conductive pattern between the wavelength conversion pattern and the first base substrate, and a second conductive pattern on the wavelength conversion pattern and spaced apart from the first conductive pattern, an organic light-emitting layer on the second conductive pattern, and a common electrode on the organic light-emitting layer.

Abstract: A liquid crystal display device includes a light guide plate, an optical film, a quantum dot film, a display panel, a light source unit, and an optical filter. The light guide plate includes a light incident surface and a light emission surface. The optical film is disposed in the light emission surface on the light guide plate, and has a first refractive index. The quantum dot film is disposed on the optical film. The display panel is disposed on the quantum dot film, and displays an image. The light source unit is spaced apart from the light incident surface of the light guide plate, and emits a light. The optical filter is disposed in the light incident surface such that the optical filter is spaced apart from the light source unit, and reflects a first light, which has an angle of incidence greater than a predetermined angle of incidence, among the light.

Abstract: An optical modulation device includes a first electrode layer in which a plurality of electrodes are arranged and a second electrode layer, where the optical modulation device configures a Fresnel zone plate wherein groups of adjacent electrodes of the plurality of electrodes define zones of the Fresnel zone plate. A method of driving the optical modulation device includes applying a common voltage to the second electrode layer, applying starting voltages to the first electrode layer in a first step, applying lens voltages to the first electrode layer in a second step, where polarities of the lens voltages with respect to the common voltage are inverted for every zone, and an absolute difference between starting voltages applied to electrodes adjacent to a zone boundary in the first step is less than an absolute difference of the lens voltages applied to electrodes adjacent to a zone boundary in the second step.

Abstract: A method for manufacturing a liquid crystal lens includes: patterning an insulating layer into a plurality of insulating regions spaced apart from each other on a substrate using a first photo mask; depositing a conductive layer on the insulating layer; applying a first, negative photoresist onto the conductive layer; exposing the first photoresist using a second photo mask in which first regions of the first photoresist corresponding to portions between adjacent insulating regions are opened; exposing the first photoresist using a third photo mask in which second regions corresponding to tops of the plurality of insulating regions are opened; and etching the conductive layer using the first photoresist.

Abstract: A display device may include a display panel configured to display an image. The display device may further include a first electrode overlapping the display panel and separated from the display panel. The display device may further include a second electrode overlapping the first electrode and separated from the display panel. The display device may further include a first liquid crystal layer disposed between the first electrode and a first portion of the second electrode. The display device may further include a third electrode electrically insulated from the first electrode, overlapping the second electrode, and separated from the display panel. The display device may further include a second liquid crystal layer disposed between the third electrode and a second portion of the second electrode.

Abstract: A two-dimensional/three-dimensional switchable display apparatus includes: a display panel; a first substrate disposed on the display panel; a first electrode layer disposed on the first substrate and including a plurality of first electrodes; a second substrate disposed on the first substrate; a second electrode layer disposed on the second substrate and including a plurality of second electrodes; and a liquid crystal layer disposed between the first and second substrates. A plurality of lens units are formed in association with a first position of the liquid crystal layer when a lens forming voltage profile is applied to the first electrodes and a common voltage is applied to the second electrodes. When the common voltage is applied to the first electrodes and the lens forming voltage is applied to the second electrodes, the plurality of lens units are formed in association with a second position spaced apart from the first position.

Abstract: A liquid crystal lens device includes a first substrate including a display area, a first non-display area, and a second non-display area with the display area interposed between the first and second non-display areas. First bus lines are disposed over the first non-display area. Second bus lines are disposed over the second non-display area and are insulated from the first bus lines. First electrode groups are disposed over the display area and the first non-display area and are connected to the first bus lines. Second electrode groups are disposed over the display area and the second non-display area and are connected to the second bus lines.

Abstract: A 3D image display device includes a display panel and a viewpoint divider. The display panel includes pixels arranged in a matrix shape and respectively representing one color among primary colors and light blockers provided between the pixels. The viewpoint divider divides an image displayed by the display panel into at least two viewpoints, the viewpoint divider including viewpoint dividing units. The viewpoint dividing units are located in parallel with respect to a column direction of the display panel. A number NP of pixels at a unit view region satisfies NP=2(3n+1)+1, a number NL of viewpoint dividing units satisfies NL=3n+1, and a number NV of viewpoints satisfies NV=2(3n+1)+1 when a width ratio of the pixels in a row direction and the light blockers in the row direction is 3n:1. The NP pixels are located to correspond to the NL viewpoint dividing units.

Abstract: A stereoscopic image display device, including a display unit comprising a plurality of pixel units, wherein at least one of the pixel units has a short side extended in a first direction and a long side extended in a second direction different from the first direction, and an image conversion unit comprising a lenticular lens overlapped with at least two of the pixel units arranged in the first direction, wherein the lenticular lens is extended in the second direction and a first prism corresponding to the lenticular lens is arranged in the second direction.

Abstract: A display device includes a display panel and a polarization conversion panel facing the display panel. The polarization conversion panel includes: an insulation substrate; an absorptive polarizer positioned on the insulation substrate; a first electrode positioned on the absorptive polarizer; a passivation layer formed on the first electrode while being spaced apart therefrom a microcavity interposed between the passivation layer and the first electrode, the passivation layer an injection hole; an overcoat formed on the passivation layer to cover the injection hole and seal the microcavity; a second electrode positioned on the overcoat; a reflective polarizer positioned on the second electrode; and a liquid crystal layer positioned in the microcavity.

Abstract: A method for manufacturing a liquid crystal lens includes: patterning an insulating layer into a plurality of insulating regions spaced apart from each other on a substrate using a first photo mask; depositing a conductive layer on the insulating layer; applying a first, negative photoresist onto the conductive layer; exposing the first photoresist using a second photo mask in which first regions of the first photoresist corresponding to portions between adjacent insulating regions are opened; exposing the first photoresist using a third photo mask in which second regions corresponding to tops of the plurality of insulating regions are opened; and etching the conductive layer using the first photoresist.

Abstract: An optical modulation device includes a first electrode layer in which a plurality of electrodes are arranged and a second electrode layer, where the optical modulation device configures a Fresnel zone plate wherein groups of adjacent electrodes of the plurality of electrodes define zones of the Fresnel zone plate. A method of driving the optical modulation device includes applying a common voltage to the second electrode layer, applying starting voltages to the first electrode layer in a first step, applying lens voltages to the first electrode layer in a second step, where polarities of the lens voltages with respect to the common voltage are inverted for every zone, and an absolute difference between starting voltages applied to electrodes adjacent to a zone boundary in the first step is less than an absolute difference of the lens voltages applied to electrodes adjacent to a zone boundary in the second step.

Abstract: The present invention relates to an image display device using a diffractive lens. An image display device according to an exemplary embodiment of the present invention includes a display panel displaying an image, and a diffractive lens for the image of the display panel to be recognized as a two-dimensional (2D) image or a three-dimensional (3D) image, wherein the diffractive lens modifies a path of light by using an optical principle of a Fresnel zone plate.

Abstract: A liquid crystal lens device includes a first substrate including a display area, a first non-display area, and a second non-display area with the display area interposed between the first and second non-display areas. First bus lines are disposed over the first s non-display area. Second bus lines are disposed over the second non-display area and are insulated from the first bus lines. First electrode groups are disposed over the display area and the first non-display area and are connected to the first bus lines. Second electrode groups are disposed over the display area and the second non-display area and are connected to the second bus lines.

Abstract: A three-dimensional display device comprises a flat display panel and an image-converting sheet disposed on or above the display panel. The display panel comprises a matrix of unit display cells arranged as rows and columns and where the cells are spaced apart to have respective row and column direction pitches. The image-converting sheet comprises a plurality of inclined lenticular lenses where the inclination is set according to the row and column direction pitches so as to reduce perception of Moiré patterns when stereo-scopic images are projected through the image-converting sheet to an observer viewing the display panel as an upright panel having respectively different left and right stereo-scopic image projections.

Abstract: The present invention relates to an image display device using a diffractive lens. An image display device according to an exemplary embodiment of the present invention includes a display panel displaying an image, and a diffractive lens for the image of the display panel to be recognized as a two-dimensional (2D) image or a three-dimensional (3D) image, wherein the diffractive lens modifies a path of light by using an optical principle of a Fresnel zone plate.

Abstract: A two-dimensional/three-dimensional switchable display apparatus includes: a display panel; a first substrate disposed on the display panel; a first electrode layer disposed on the first substrate and including a plurality of first electrodes; a second substrate disposed on the first substrate; a second electrode layer disposed on the second substrate and including a plurality of second electrodes; and a liquid crystal layer disposed between the first and second substrates. A plurality of lens units are formed in association with a first position of the liquid crystal layer when a lens forming voltage profile is applied to the first electrodes and a common voltage is applied to the second electrodes. When the common voltage is applied to the first electrodes and the lens forming voltage is applied to the second electrodes, the plurality of lens units are formed in association with a second position spaced apart from the first position.