Abstract: A liquid crystal cell, a method of driving a liquid crystal cell, and a liquid-crystal-based spectacle lens are provided. The liquid crystal cell includes: a ring-like electrode layer, a liquid crystal layer, and an opposite electrode layer. The second ring-like electrode region is concentric with the first ring-like electrode region and surrounds the first ring-like electrode region; the first ring-like electrode region is configured to drive corresponding liquid crystal molecules in the liquid crystal layer, so as to form a first Fresnel zone plate region in the liquid crystal cell; the second ring-like electrode region is configured to drive corresponding liquid crystal molecules in the liquid crystal layer, so as to form a second Fresnel zone plate region of the liquid crystal cell; an order of the second Fresnel zone plate region is smaller than an order of the first Fresnel zone plate region.

Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a liquid crystal layer between the first substrate and the second substrate, a first light source and a second light source. The liquid crystal display panel is configured to provide a brightness selected from a first set or a second set, and the first light and the second light are configured to not emit light simultaneously. A driving method of the liquid crystal display panel and a display device including the liquid crystal display panel are further provided.

Abstract: Display device, control method are provided, which includes: light guide plate including light incident side, bottom surface, opposite light exiting surface; light extracting structure, on light exiting or bottom surface, configured to make light propagated in total reflection in light guide plate exit from light exiting surface at predetermined angle; first low refractive index layer, covering light exiting surface, refractive index of which being smaller than that of light guide plate; liquid crystal light adjusting layer, including liquid crystal layer and driving electrodes for driving liquid crystal molecules, on side of first low refractive index layer away from light exiting surface; second low refractive index layer, on side of liquid crystal light adjusting layer away from first low refractive index layer, refractive index of which and refractive index of first low refractive index layer being smaller than initial refractive index of liquid crystal light adjusting layer.

Abstract: A display apparatus. The display apparatus includes a back light module; a light transmission direction controller on a light emitting side of the back light module; and a plurality of subpixels on a side of the light transmission direction controller away from the back light module, each individual one of the plurality of subpixels including a light transmissive part and a light blocking part. The back light module is configured to emit light toward the plurality of subpixels. The light transmission direction controller is configured to independently adjust a grayscale of each individual one of the plurality of subpixels by independently controlling a light distribution ratio between a first portion of light transmitted through the light transmissive part and a second portion of light blocked by the light blocking part in each individual one of the plurality of subpixels.

Abstract: An integrated imaging display device, including: a display component, and a micro-lens array and a low-pass filter disposed on a light-emitting side of the display component. The display component includes a plurality of display units; and the micro-lens array includes a plurality of micro-lenses corresponding to the plurality of display units.

Abstract: The present application provides a light-field display apparatus. The apparatus includes: a display screen, the display screen including N display regions, each display region of the N display regions including M light-emitting points, and light-emitting points at a corresponding position of the N display regions being a light-emitting point group; driving circuits, configured to drive the light-emitting points to emit light; a lens group including at least one lens, the light-emitting points in the N display regions forming view zones corresponding one by one to the N display regions by the lens group, wherein light-emitting points belonging to a same light-emitting point group in the N display regions are driven by a same driving circuit, the N view zones are not overlapped with each other, and both N and M are positive integers greater than 1.

Abstract: The present disclosure is related to a display panel. The display panel may include a plurality of pixel units. Each of the plurality of pixel units may include a first pixel unit or a second pixel unit. The first pixel unit may include a first light adjusting structure configured to adjust an angle of light that transmits through the first light adjusting structure. The second pixel unit may include a second light adjusting structure configured to adjust an angle of light that transmits through the second light adjusting structure. A plurality of first pixel units may be configured to display a left-eye image. A plurality of second pixel units may be configured to display a right-eye image.

Abstract: A liquid crystal lens includes a first substrate and a second substrate opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate. The first substrate includes a first base substrate, a plurality of first electrodes, and a first alignment layer, wherein two adjacent first electrodes of the plurality of first electrodes are insulated from each other, an orthographic projection of each of the plurality of first electrodes on a first surface is an axisymmetric pattern and a centrosymmetric pattern, and center points of the orthographic projections of the plurality of first electrodes on the first surface are in coincidence with each other. The second substrate includes a second base substrate, a plurality of second electrodes, and a second alignment layer, wherein an orientation of the first alignment layer and an orientation of the second alignment layer are perpendicular to each other.

Abstract: The present application provides a viewpoint controllable three-dimensional image display apparatus. The viewpoint controllable three-dimensional image display apparatus includes a display panel having a light emitting side; a back light for providing a light source for image display in the display panel; a first grating on a side of the light emitting side distal to the back light; a second grating between the display panel and the back light; and a controller configured to alternately turn on and off the first grating and the second grating in a time-division driving mode including a first mode and a second mode, thereby presenting a three-dimensional image to a user. In the first mode, the controller is configured to turn off the second grating, and turn on the first grating. In the second mode, the controller is configured to turn off the first grating, and turn on the second grating.

Abstract: A liquid crystal display and a driving method thereof are provided. The liquid crystal display includes a backlight source, a lower substrate at a light exit side of the backlight source, an upper substrate opposite to the lower substrate, and a liquid crystal layer between the two substrates. The backlight source includes a plurality of light sources, and light emitted from each light source is collimated light. The liquid crystal display further includes at least one first electrode and at least one second electrode between the lower substrate and the liquid crystal layer and a light shielding structure, orthographic projections of the light source and the light shielding structure on the lower substrate overlapping. The first and second electrodes are configured to receive different voltages to form an electric field, so that liquid crystal molecules within the electric field are deflected to form convex lens structures.

Abstract: A display panel and a method of driving a display panel are provided. The display panel includes at least one display subpixel. The display subpixel includes a first display region located at a middle part of the display subpixel and a second display region located at a peripheral part of the display subpixel in a first direction; and the display subpixel is configured to enable brightness of the second display region to be greater than brightness of the first display region in a case of displaying an image.

Abstract: A backlight module and a liquid crystal display device are provided. The backlight module includes: a light guide plate including a light incident surface, a light emergent surface, and a bottom surface opposite to the light emergent surface; a light source, disposed on a side of the light incident surface of the light guide plate, the light emitted by the light source enters the light guide plate from the light incident surface; a plurality of collimating parts, disposed on at least one of the light emergent surface of the light guide plate and the bottom surface opposite to the light emergent surface, wherein a portion of the light entering the light guide plate is collimated by the plurality of collimating parts and then emitted from the light emergent surface of the light guide plate.

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: A display device and a display method using the same are disclosed. The display device includes: a display panel including a first substrate, a second substrate and a liquid crystal prism arranged between the first substrate and the second substrate; and a backlight source configured to emit a light which is incident onto the second substrate at an oblique angle; wherein the liquid crystal prism is configured to adjust a deflection angle of the light emitted from the backlight source traveling between the first substrate and the second substrate such that the light emitted from the backlight source is totally-reflected at a light exit face of the display device or exits from the light exit face of the display device.

Abstract: A display substrate is provided. The display substrate includes: an optical waveguide; a first buffer layer at a side of the optical waveguide, the first buffer layer including a first buffer pattern and a plurality of openings defined by the first buffer pattern; and a second buffer layer at a side of the optical waveguide provided with the first buffer layer and at least covering the plurality of openings, a refractive index of the first buffer pattern is less than a refractive index of the optical waveguide, and a refractive index of the second buffer layer is greater than the refractive index of the optical waveguide. A display panel and a display device are further provided.

Abstract: A light collimation device, a backlight module and a display panel are provided. The light collimation device includes a lampshade and a light guiding part, wherein the lampshade includes a plurality of curved reflecting parts, a first total reflecting part and a second total reflecting part. The curved reflecting part is configured to reflect part of light from a light source arranged at a focal point of curved reflecting part to the first total reflecting part. The first total reflecting part is configured to reflect part of incident light to the second total reflecting part and directly direct another part of light to the light guiding part. The second total reflecting part is configured to reflect incident light to the light guiding part. The light guiding part is configured to cause incident light to propagate in a total reflection.

Abstract: A display device and a display method thereof are provided. The display device includes: a first base substrate (10) and a second base substrate (20) which are arranged oppositely and a liquid crystal layer (30) between the first base substrate (10) and the second base substrate (20), the display device further includes: a waveguide grating (40) between the liquid crystal layer (30) and the first base substrate (10), the waveguide grating (40) including a waveguide layer (401) and a grating layer (402) on one side of the waveguide layer (401) facing the liquid crystal layer (30), and the grating layer (402) being in contact with the liquid crystal layer (30); and a collimation light source (50) on a lateral surface of the waveguide layer (401), light emitted by the collimation light source (50) being coupled into the waveguide layer (401) and output from the grating layer (402).

Abstract: Embodiments of the present disclosure provide a display device. The display device includes: a display panel including a plurality of sub-pixels, each of the sub-pixels including at least one display unit, each display unit including a first electrode, a second electrode and a liquid crystal layer, the liquid crystal layer being configured to deflect collimated light rays incident onto the display panel by controlling electric signals applied to the first electrode and the second electrode; and an optical member configured to convert collimated light rays emitted from the liquid crystal layer into divergent light rays.

Abstract: The present disclosure provides a display panel and a display device. The display panel includes a base substrate and light-shielding strips. The base substrate includes light-shielding regions and light-transmitting regions. The display panel further includes a backlight module including a light guide plate and light extraction gratings. The display panel further includes a first electrode layer, a second electrode layer, and a liquid crystal layer. The first and second electrode layers are configured to, in response to a control signal, control the liquid crystal layer to forms a plurality of liquid crystal grating periods. The liquid crystal within each of the plurality of liquid crystal grating periods includes a plurality of segments with different refractive indices, and the refractive indices of the plurality of segments progressively increase in a direction perpendicular to an extending direction of the first electrodes in the first electrode layer.

Abstract: An array substrate is provided, including a substrate, wherein the substrate is provided with a plurality of electrodes and a plurality of first signal lines, each of the electrodes being correspondingly connected with a first signal line. In some examples, the first signal lines extend in the same direction. In some examples, at least two of the plurality of first signal lines are located in different layers of an insulating spacer from each other. In some examples, orthographic projections on the substrate of at least two of the first signal lines in the different layers at least partially overlap. Accordingly, a light field display device comprising the array substrate is also provided. The array substrate can reduce a light-emitting point size and increase a density distribution of light-emitting points.