Abstract: An electronic device, a face recognition and tracking method and a three-dimensional display method are provided. The electronic device includes: a pick-up device configured to shoot a face image of a user; a frontal face image acquisition module configured to acquire a frontal face image of the user via the pick-up device; and a face tracking module configured to perform a comparison operation on the face image shot by the pick-up device and the frontal face image, and determine a moving distance of the face of the user along a direction in a plane perpendicular to a central optical axis of the pick-up device, wherein the comparison operation includes a comparison between a ratio of an area of a specific part to an area of an entire face for the face image shot by the pick-up device, and the ratio for the frontal face image.

Abstract: The present disclosure relates to the field of display technology, and provides a liquid crystal display panel, a display device, and a driving method for the same. The liquid crystal display panel includes an array of pixel units, wherein each pixel unit includes a plurality of sub-pixel units. The liquid crystal display panel further includes: a first substrate, a second substrate, a liquid crystal layer, a pixel electrode layer, a common electrode layer, and a waveguide grating which are stacked over each other.

Abstract: Embodiment of the disclosure provide a display panel, a display device and a control method thereof, which belong to the field of display technology. The display panel comprises: a first base substrate and a second base substrate that are provided opposite to each other; and a plurality of pixel units formed between the first base substrate and the second base substrate. The pixel unit of the plurality of pixel units comprises: a liquid crystal adjustment unit; and a first light-shielding region and a first light-transmitting region at the first side of the liquid crystal adjustment unit. The liquid crystal adjustment unit comprises an adjustment electrode and a liquid crystal layer. The adjustment electrode is configured to control the deflection of the liquid crystals in the liquid crystal layer such that the light from the second side of the liquid crystal adjustment unit is transmitted to at least one of the first light-shielding region and the first light-transmitting region.

Abstract: A display panel, a display device, and a display method are provided. A first light-shielding layer and a grating layer are arranged on a first base to form an array substrate of the display panel, a second light-shielding layer and a lens structure layer are arranged on a second base to form an opposite substrate of the display panel, grooves recessed toward the second base are arranged on the lens structure layer, the first light-shielding layer includes first light-shielding regions and first gap regions which are alternately arranged, the first gap regions are within orthographic projections of the grooves onto the first light-shielding layer, the second light-shielding layer includes second blocking regions and second gap regions which are alternately arranged, and a projection of an apex of the curved surface of the groove onto the second blocking layer is located in the second blocking region.

Abstract: A display device and a controlling method are disclosed to achieve peep-proof effect while increasing utilization rate of light. The display device includes a display panel including a first substrate, a second substrate and a plurality of display units, wherein a first light source is disposed on one side of the first substrate; light emitted by the first light source is incident onto the first substrate and propagated in the first substrate in a manner of total reflection; and a light adjusting structure is disposed on a surface of the first substrate close to the second substrate, and is configured to reduce a divergence angle of light emitted by each of the display units of the display panel.

Abstract: A display module is disclosed. The display module includes a display panel and a liquid crystal lens. The liquid crystal lens includes a liquid crystal layer; the liquid crystal lens is on a display side of the display panel and configured to gather, in a horizontal direction, light rays exiting from the display panel together to at least one observation position, which includes a primary observation position corresponding to a center of the display panel and subsidiary observation positions on both sides of the primary observation position. Also disclosed are a display device including the display module and a control method for the display module.

Abstract: Provided a display panel and a display device, the display panel includes a first substrate, a second substrate opposite to the first substrate, a first light-shielding pattern, a second light-shielding pattern, a first electrode, a second electrode, a liquid crystal layer and a third light-shielding pattern between the two substrates in sequence; the three light-shielding patterns are configured such that light incident on the liquid crystal layer from the first substrate is prevented from exiting from the second substrate in response to an absence of voltage between the two electrodes; the two electrodes and the liquid crystal layer are configured such that the liquid crystal layer serves as an equivalent grating, and a portion of the light incident on the liquid crystal layer from the first substrate is directed to exit from the second substrate in response to the voltage between the two electrodes.

Abstract: Provided in the embodiments of the present disclosure are a display device and a display terminal. The display device includes a light emitting panel and at least one optical modulation unit provided on a light exit side of the light emitting panel, a grating layer being provided in the light emitting panel, or between the light emitting panel and the optical modulation unit, wherein the optical modulation unit is configured to modulate incident light to exit at a certain preset angle, and the grating layer is configured to parallelize exit directions of incident light.

Abstract: Disclosed are a display device and a driving method thereof which can allow the display lighter and thinner. A display device includes: a middle frame, a panel component which is disposed on a side of the middle frame. The middle frame is made of a conductive material and is grounded; the display device further includes a pressure detection unit; a pressure detection electrode is disposed between the two base substrates at the outermost sides of the panel component, and a capacitor is formed between the pressure detection electrode and the middle frame; the pressure detection unit is connected with the pressure detection electrode and the middle frame, respectively, and is configured for detecting a capacitance value between the pressure detection electrode and the middle frame.

Abstract: A display panel and a display apparatus are provided. The display panel comprises a first substrate, a refractive index adjustment mechanism and a second substrate successively arranged along a light output direction, a first black matrix is formed on the first substrate and includes first shading portions and first openings, and a second black matrix is formed on the second substrate and includes second shading portions and second openings. The first shading portions are arranged opposite to the corresponding second openings, and the second shading portions are arranged opposite to the corresponding first openings. In the case where the display panel is in a power-off state, light cannot penetrate the display panel. In the case where the display panel is in a power-on state, the refractive index adjustment mechanism can adjust intensity of light exiting from the second openings.

Abstract: An edge-lit type backlight module and a display device are provided. The edge-lit type backlight module includes a light guide plate having a first surface and a second surface opposite to each other, as well as a first end and a second end opposite to each other, the first end and a second end having a distribution orientation parallel to the first surface; a light source disposed on the first surface of the light guide plate and being close to the first end of the light guide plate; a metal grating disposed on the second surface of the light guide plate, an orthographic projection of the metal grating on the first surface covering an orthogonal projection of the light source on the first surface.

Abstract: The present disclosure relates to a grayscale control structure, including a first substrate, a light extraction layer, an electrode layer, a liquid crystal layer, a filter layer and a second substrate which are sequentially stacked. The electrode layer is provided with a plurality of strip-shaped electrodes arranged in parallel to form lens units in the liquid crystal layer. The filter layer includes light exit strips and a black matrix arranged in parallel, and the light exit strips are disposed opposite to the lens units. Light extraction gratings are disposed in the light extraction layer, the light extraction gratings are disposed opposite to the light exit strips, and a projection of individual one of the light exit strips on the light extraction layer covers a corresponding one of the light extraction gratings.

Abstract: The present disclosure provides a backlight module and a liquid crystal display using the same. The backlight module includes a light guide plate, a light source and a plurality of light extraction gratings. The light source is disposed at an end of the light guide plate. A plurality of light extraction gratings are disposed on a light emission surface of the light guide plate, and are arranged in an array. The plurality of light extraction gratings are divided into a plurality of regions arranged at equal intervals in a direction from the end of the light guide plate near the light source to another end of the light guide plate away from the of the light source, a gap between adjacent columns of two adjacent regions is a+b, where a is a gap between adjacent columns in the same region and b is a width of one light extraction grating.

Abstract: A display module and a display device. The display module includes: a display panel including a first substrate, a second substrate, and a liquid crystal layer between the first and second substrate; and a backlight panel on a side of the first or second substrate away from the liquid crystal layer. The display panel further includes a color filter layer on a side of the liquid crystal layer away from the backlight panel. The color filter layer includes at least two portions having different transparency. The backlight panel is configured to emit a plurality of directional light beams to the color filter layer. The display panel is configured to change a propagation direction of each of the directional light beams by means of the liquid crystal layer, to adjust an irradiation position of the directional light beam on the color filter layer.

Abstract: The present disclosure discloses a barrier type naked-eye 3D display screen and a display device. The barrier type naked-eye 3D display screen comprises an OLED screen and a liquid crystal screen, a light emergent surface of the OLED screen facing a light incident surface of the liquid crystal screen, wherein the liquid crystal screen comprises a color film substrate having no color resist; the OLED screen comprises a color OLED array serving as a luminous layer thereof, and a drive array connected to and driving the luminous layer so that the OLED screen can produce alternately dark and bright color fringes, which can form a first color image and a second color image having a parallax via the liquid crystal screen, to form a 3D image.

Abstract: Embodiments of the present disclosure disclose a three-dimensional display device and a driving method thereof. In a previous frame of display time, one part of second sub-pixels in a liquid crystal display panel are controlled to display a left eye view, and the other part of second sub-pixels display a right eye view. In a next frame of display time, positions of light emitting areas and black areas in an electroluminescent display panel are interchanged, and the second sub-pixels that display the left eye view in the previous frame display the right eye view in the next frame, and the second sub-pixels that display the right eye view in the previous frame display the left eye view in the next frame. The sum of the previous frame and the next frame of display time is less than a predetermined maximum time.

Abstract: A display device and a display method thereof are provided. The display device includes: a first base substrate and a second base substrate which are arranged oppositely and a liquid crystal layer between the first base substrate and the second base substrate, the display device further includes: a waveguide grating between the liquid crystal layer and the first base substrate, the waveguide grating including a waveguide layer and a grating layer on one side of the waveguide layer facing the liquid crystal layer, and the grating layer being in contact with the liquid crystal layer; and a collimation light source on a lateral surface of the waveguide layer, light emitted by the collimation light source being coupled into the waveguide layer and output from the grating layer.

Abstract: The disclosure discloses a display device, and an operating method thereof. The display device includes an array of liquid crystal lenses, the array includes liquid crystal micro-lenses, each of which includes a first electrode layer and a second electrode layer, both of which have circular contour and are arranged in a direction of an axis thereof, and a liquid crystal layer located between the two electrode layers When the display device operates in a 2D display mode, the liquid crystal layer operates as planar glass under an action of an electric field generated between the first electrode layer and the second electrode layer; and when the display device operates in a 3D display mode, the liquid crystal layer operates as a convex lens under the action of the electric field generated between the first electrode layer and the second electrode layer.

Abstract: The present disclosure provides a three-dimensional display device and a display method thereof. The three-dimensional display device includes a display panel including a plurality of first display units and a plurality of second display units; a plurality of light emitting unit groups disposed on one side of the display panel, wherein each of the light emitting unit groups includes a plurality of first light emitting units respectively corresponding to the first display units, and a plurality of second light emitting units respectively corresponding to the second display units; and a control unit configured to control the first light emitting units and the second light emitting units in a light emitting unit group corresponding to a target position to emit lights so that the first light emitting units and the second light emitting units emit lights along a direction pointed to the target position.

Abstract: A display panel and a display device are provided. The display panel includes a first substrate and a second substrate that disposed opposite to each other, and a first optical film that provided on a side of the first substrate facing the second substrate. The first optical film is provided with a plurality of nanoscale microstructures, so that the first optical film is capable of splitting incident white light into a plurality of monochromatic light beams with different colors.