Abstract: A filter structure, a display substrate, a display panel and a display device are provided. The filter structure includes a first refractive index match layer, a waveguide layer, a second refractive index match layer and a grating layer, that are stacked, the waveguide layer is located between the first refractive index match layer and the second refractive index match layer, the second refractive index match layer is located between the waveguide layer (112) and the grating layer, and refractive index of the first refractive index match layer and refractive index of the second refractive index match layer both are smaller than refractive index of the waveguide layer.

Abstract: This disclosure proposes a liquid crystal cell, a display and an electronic device. The liquid crystal cell comprises a first substrate and a second substrate disposed above the first substrate. The first substrate is configured to be formed with a diffraction phase grating array on a surface thereof close to the second substrate, and the diffraction phase grating array is filled with liquid crystal units. The second substrate is configured to comprise stacked first electrode layer, insulating layer and second electrode layer on a side thereof close to the first substrate.

Abstract: The present disclosure relates to a display mode controlling device, a controlling method thereof and a display device. The display mode controlling device includes: a first substrate including a plurality of lens units arranged in an array, each of the lens units is provided with an annular diffractive phase grating; a second substrate aligned with the first substrate; a liquid crystal (LC) layer located between the first substrate and the second substrate; and a control electrode configured to generate a predetermined electric field to control a deflection state of a LC molecule.

Abstract: A holographic imaging device includes a laser device, a laser beam expanding and collimating system and a liquid crystal cell. The laser beam expanding and collimating system is configured to expand a light beam from the laser device and enable the expanded light beam to be transmitted substantially vertically to the liquid crystal cell. An amplitude-transmission coefficient distribution of the liquid crystal cell is determined in accordance with a brightness distribution of holographic interference fringes of an object to be displayed.

Abstract: There is provided a holographic display device, which includes a display panel including plural sub-pixels, wherein each sub-pixel includes plural subdivided pixels, and each subdivided pixel has an adjustable light transmittance; a backlight, configured to provide reference light to the display panel; a phase adjustment layer, including plural transparent phase adjustment components, wherein each phase adjustment component is configured to adjust a phase of a light ray transmitted through the phase adjustment component, and the phase adjustment components corresponding to a single sub-pixel have phase adjustment amounts different from each other; and a controller, configured to obtain a target phase of a light ray to be transmitted through each sub-pixel, and determine a target subdivided pixel, which corresponds to the target phase, in each sub-pixel, and further configured to obtain a target intensity of the light ray, and adjust a light transmittance of the target subdivided pixel.

Abstract: Embodiments of the disclosure provide a virtual curved surface display panel, a display device and a displaying method. The virtual curved surface display panel includes: a display panel having a plurality of pixels; and a plurality of imaging lens arrays disposed at a light emitting side of the display panel and arranged to image light from the plurality of pixels such that imaging trajectories for the plurality of pixels are located in a same virtual curved surface, thereby enabling a virtual curved surface display effect on a flat display panel.

Abstract: This disclosure provides a light source assembly and a display device, and the light source assembly includes: a first substrate and a second substrate arranged opposite to each other; a waveguide layer arranged between the first substrate and the second substrate; and a side-incident collimated light source arranged on a side of the waveguide layer, wherein the refractive index of the waveguide layer is higher than the refractive index of the first substrate, and the refractive index of the second substrate respectively; and light of the side-incident collimated light source is incident onto the side of the waveguide layer at a preset angle, and the incident light is totally reflected at the interference between the first substrate and the waveguide layer.

Abstract: The present disclosure relates to a display mode controlling device, a controlling method thereof and a display device. The display mode controlling device includes: a first substrate including a plurality of lens units arranged in an array, each of the lens units is provided with an annular diffractive phase grating; a second substrate aligned with the first substrate; a liquid crystal (LC) layer located between the first substrate and the second substrate; and a control electrode configured to generate a predetermined electric field to control a deflection state of a LC molecule.

Abstract: A display panel and a display device are disclosed. The display panel includes a flat display substrate and optical devices. The optical devices are arranged on a display surface of the flat display substrate, and light emitted through the display surface of the flat display substrate passes through the optical devices and forms an image in a curved surface.

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: A display device and a display method are provided. The display device includes: an optical element including a plurality of optical units arranged independent of each other, wherein one or more optical parameters of each of the optical units are adjustable, and the one or more optical parameters comprise at least one of light transmittance or refractive index; a laser source arranged at a side of the optical element, and configured to emit a laser beam related to a to-be-displayed holographic image; and a driving circuit configured to adjust the light transmittance and/or refractive index of each of the optical units in accordance with image data about the to-be-displayed holographic image in such a manner that the optical unit is configured to modulate the laser beam or a linearly-polarized light beam acquired by converting the laser beam.

Abstract: Embodiments of the present disclosure provide a display panel, a method for manufacturing the same, and a display device, relating to the field of display technology. The display panel includes a first substrate, a second substrate, a liquid crystal layer disposed between the first substrate and the second substrate, and a light splitting structure disposed on a side of the first substrate facing away from the liquid crystal layer. The light splitting structure is configured to perform spectroscopic processing on light incident on the light splitting structure to obtain light of at least one color, and project the light of the at least one color onto a pixel of a corresponding color in the display panel.

Abstract: An in-cell transparent touch display panel, manufacturing method and driving method thereof, which relates to the technical field of display is disclosed. The transparent touch display panel includes a first electrode and a pixel defining structure on a transparent substrate, the first electrode extending along a first direction and the pixel defining structure defining a plurality of pixel regions and touch electrode regions; an organic electroluminescent layer in the pixel regions, a second electrode arranged on the organic electroluminescent layer and in the pixel regions, the second electrodes extending along a second direction; and a plurality of first touch electrodes along the first direction and a plurality of second touch electrodes along the second direction and in the touch electrode regions. The first electrodes, second electrodes, first touch electrodes and second touch electrodes are all transparent electrodes, and the first direction intersects with the second direction.

Abstract: A display panel includes a light waveguide layer and a first substrate disposed opposite to each other, and further including an electrowetting control layer disposed between the light waveguide layer and the first substrate, the electrowetting control layer including a first electrode layer, a second electrode layer, and a grating layer and an electrowetting layer which are disposed between the first electrode and the second electrode layer, the grating layer and the electrowetting layer are configured to operatively couple light with a set transmittance, a setting direction, and a set wavelength out of the light waveguide layer.

Abstract: A display device is disclosed. The display device includes a display panel, and a grating layer arranged inside or outside of the display panel. Along a direction pointing from a center of a sight concentration area of the display device to a non-sight concentration area of the display device, a grating period of the grating layer decreases gradually. When incident light incident on the grating layer is diffracted at an area of the grating layer corresponding to the non-sight concentration area of the display device, the obtained light of non-zero order diffraction falls into a sight of a viewer.

Abstract: A display device is provided, and the display device includes a backlight module, a display module and a light directing component which are sequentially arranged. The backlight module is configured to periodically and sequentially emit collimated light in S different directions; the collimated light in different directions runs through the display module and arrives at the light directing component, in which S?2; and the light directing component is configured to converge incident collimated light in a same direction to a same preset viewpoint and converge incident collimated light in different directions to different preset viewpoints, in which the preset viewpoints at least include two preset viewpoints belonging to a same eyeball. An image display method applied to the display device is also provided.

Abstract: A display device and a display method are provided. The display device includes: an optical element including a plurality of optical units arranged independent of each other, wherein one or more optical parameters of each of the optical units are adjustable, and the one or more optical parameters comprise at least one of light transmittance or refractive index; a laser source arranged at a side of the optical element, and configured to emit a laser beam related to a to-be-displayed holographic image; and a driving circuit configured to adjust the light transmittance and/or refractive index of each of the optical units in accordance with image data about the to-be-displayed holographic image in such a manner that the optical unit is configured to modulate the laser beam or a linearly-polarized light beam acquired by converting the laser beam.

Abstract: The disclosure provides a display panel and a display device. The display panel includes an upper substrate (001) and a lower substrate (002) arranged opposite to each other, a liquid crystal layer (003), a waveguide layer (004), a plurality of grating coupling structures (005), and a plurality of electrode structures (006).

Abstract: The disclosure provides a display device including an upper substrate (001) and a lower substrate (002) arranged opposite to each other, a liquid crystal layer (003), a wave guiding layer (004), electrode structures (005), and a collimated light source (006). The liquid crystal layer (003) is arranged between the upper substrate (001) and the lower substrate (002); the wave guiding layer (004) is arranged on a side of the lower substrate (002) facing the upper substrate (001), and a refractive index of the wave guiding layer (004) is at least greater than a refractive index of a film layer in contact with the wave guiding layer (004); the plurality of electrode structures (005) are arranged on a side of the upper substrate (001) facing the lower substrate (002), and the plurality of electrode structures (005) are arrayed in correspondence to sub-pixels in a one-to-one manner; and the collimated light source (006) is at least arranged on one side of the wave guiding layer (004).

Abstract: The present disclosure provides a display device and a manufacturing method thereof, in the field of display technology. The display device can comprise: a display panel and a light ray control component disposed on a light emergent side of the display panel, wherein the light ray control component comprises a plurality of zone plates; each sub-pixel region on the display panel corresponds to one of the zone plates, and the zone plate corresponding to any sub-pixel region is used to control a direction of light rays emitted from the any sub-pixel region. In the present disclosure, the light ray control component comprising a plurality of zone plates is disposed on the light emergent side of the display panel, and each sub-pixel region of the display panel corresponds to one zone plate. Therefore, the problem in the related art that the light rays emergent from the light emergent side of the display panel are divergent light, and a direction of the light rays is hard to control is solved.