Abstract: A virtual curved surface display panel and a display device are provided. By using the imaging principle of the concave lens, the concave lens array is provided on the display surface of the flat display panel, and the focal lengths of the concave lenses are designed to be symmetrically distributed with respect to a vertical symmetry axis of the display surface. In the concave lenses on the same side of the symmetry axis, the focal lengths of the respective concave lenses having the same distance from the vertical symmetry axis are the same, and the focal lengths of the respective concave lenses having different distances from the vertical symmetry axis are different from each other. By setting the focal lengths of the concave lenses, the image distances of the pixels in the flat display panel are different so that the images of the plurality of pixels constitute a curved surface.

Abstract: The present disclosure provides a display apparatus and a displaying method. The display apparatus includes an optical device, a laser source at a light incident side of the optical device, a driving circuit coupled to the optical device, and a holographic image data storing device coupled to the driving circuit. The optical device includes a plurality of mutually independent optical units, the optical units are capable of refracting incident linearly polarized laser light, refractive indexes of the optical units are adjustable, and the refractive indexes of adjacent optical units are changed according to a sinusoidal curve. The driving circuit is to obtain image data of the to-be-displayed holographic image from the holographic image data storing device, and adjust the refractive index of each optical unit according to the image data. The laser source is to emit laser beams corresponding to a to-be-displayed holographic image.

Abstract: The present disclosure discloses a display panel and a display apparatus. The display panel comprises a first display region and a driving circuit. The first display region comprises at least two sets of display units, each set of display units comprising at least one display unit. All the display units of the first display region are configured to generate light rays that are to be converged onto a same eye of a user. All the display units that belong to a same set of display units are configured to generate light rays that are to be converged onto a same viewpoint of a same eye of the user, and the display unit that belong to different sets of display units are configured to generate light rays that are to be converged respectively onto different viewpoints of a same eye of the user.

Abstract: A liquid crystal cell and a photographic system are described. The liquid crystal cell includes: a refractive index switching layer including a liquid crystal layer consisting of liquid crystals and a substrate on which a plurality of diffractive lenses are formed; a first transparent electrode layer; and a second transparent electrode layer. The liquid crystal layer has a first refractive index and a second refractive index when the first transparent electrode layer and the second transparent electrode layer are powered on and off, respectively. The first refractive index is greater than the second refractive index, and the first refractive index is the same as the refractive index of the diffractive lenses. By means of this solution, free and controllable switching between light field imaging and conventional photographic imaging can be realized in the same system.

Abstract: A display device is provided, including a display panel; a controller; and an auxiliary panel disposed at a light emitting side of the display panel, the auxiliary panel including a first liquid crystal layer, a first substrate and a second substrate, the first liquid crystal layer being encapsulated between the first substrate and the second substrate, the first substrate including a first base substrate and a first transparent electrode layer, and the second substrate including a second base substrate and a second transparent electrode layer, wherein the controller is configured to provide a control signal to the first and second transparent electrode layers to cause different regions of the first liquid crystal layer to have different refractive indices, such that light transmitted from the display panel forms an image on a curved surface having an opening facing the light emitting direction of the display device.

Abstract: A display device and a display method thereof are provided. The display device includes a display panel and at least one optical device arranged at a light-exiting side of the display panel. A light beam emitted from the display panel is a linearly-polarized, collimated light beam. The optical device includes a plurality of optical units independent of each other and corresponding to pixel units of the display panel in a one-to-one correspondence manner. Each optical unit is capable of refracting the light beam emitted from the display panel at an adjustable angle. Collimated light beams from the adjacent optical units have different emergent angles so that the light beams emitted from the display panel are converged at two viewing points, so as to display a virtual image with a spatial depth.

Abstract: A three-dimensional display panel includes a first display substrate having a plurality groups of M pixels, the first display substrate being a reflective display substrate; a second display substrate facing the first display substrate, the second display substrate being a transparent display substrate; and a lens array layer on a side of the second display substrate distal to the first display substrate having a plurality of lenses capable of directing light reflected by each of the M pixels into one of N view zones on a side of the lens array layer distal to the second display substrate; M is an integer ?2; N is an integer ?2.

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: 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: A liquid crystal display panel is provided. The liquid crystal display panel comprises: a first substrate (110) and a second substrate (120) which are oppositely arranged, and a liquid crystal layer (130) arranged between the first substrate (110) and the second substrate (120); an alignment film (300) arranged on an inner side of the first substrate (110); and a compensation film (400) arranged on an inner side or an outer side of the second substrate (120). The inner side of the first substrate (110) and the inner side of the second substrate (120) are sides facing each other, and the outer side of the second substrate (120) is a side provided away from the inner side of the second substrate (120).

Abstract: An image generating method, includes: establishing a 3D scene model that includes a virtual 3D object, a virtual display screen and at least one sight point set; determining a plurality of intersection points between a plurality of virtual light paths from each sight point to a plurality of virtual object points on the surface of the virtual three dimensional object and the virtual display screen, all virtual light paths {lk1, lk2, . . . , lkS} corresponding to the virtual object point Tk intersect at the virtual object point Tk; wherein, 1?k?n, 1?i?S, S is the total number of established sight points, and the plurality of virtual object points are all located within the viewing angle range of the virtual display screen; forming S frames of rendered images, including: determining color parameters of a plurality of intersection points on the virtual display screen to obtain the ith rendered image.

Abstract: Disclosed is a lens device, including: a first transparent substrate; a second transparent substrate; and a liquid crystal layer filled therebetween. The first transparent substrate is a Fresnel lens, and a surface of the Fresnel lens toward the liquid crystal layer is disposed with grooves which are spaced from one another in accordance with Fresnel wave zones. The second transparent substrate is configured to control state of a liquid crystal, such that a refractive index of the liquid crystal, when polarized light incident into the liquid crystal passes through the liquid crystal, transforms between a first refractive index of the liquid crystal and a second refractive index of the liquid crystal, wherein the first refractive index is greater than the second refractive index, and a refractive index of the Fresnel lens is substantially equal to the first refractive index of the liquid crystal in the liquid crystal layer.

Abstract: A pixel circuit, a display panel, a display device and a driving method are disclosed. The pixel circuit includes: a light-emitting circuit including a plurality of light-emitting sub-circuits (111); and a compensation driving circuit including an output terminal and a driving transistor. The plurality of light-emitting sub-circuits are all electrically connected to the output terminal; and the compensation driving circuit is configured to receive a light-emitting data signal, compensate for a threshold voltage of the driving transistor, and drive any one of the plurality of light-emitting sub-circuits to emit light according to an output signal output by the output terminal.

Abstract: A stereo display panel is disclosed. The stereo display panel has: a collimated light display structure having first and second display regions configured to display left-eye and right-eye images respectively; and a light-redirecting structure disposed on a light exit surface of the collimated light display structure. The light-redirecting structure has a first portion and a second portion to deflect collimated light beams exiting from the first and second display regions towards predetermined left-eye viewing position and right-eye viewing position respectively, such that left-eye and right-eye virtual images seen by left and right eyes are located at a light incidence side of the collimated light display structure. A stereo display device having the stereo display panel is also disclosed.

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 and a display device are disclosed and belong to the field of display technology. The display panel comprises a first substrate and a second substrate opposite to each other, and a liquid crystal layer, a first electrode, as second electrode, a waveguide layer and a grating layer between the first and second substrates; wherein the waveguide layer is on a side of the liquid crystal layer proximal to the first substrate; and the grating layer is in contact with the liquid crystal layer; the first electrode and the second electrode are configured to adjust a refractive index of the liquid crystal layer by changing voltages applied thereto; and a coupling efficiency at which light is coupled out of the waveguide layer is determined according to a difference between a refractive index of the grating layer and the refractive index of the liquid crystal layer.

Abstract: The display module includes a first substrate, a second substrate, a first electrode, a liquid crystal layer, a second electrode, and a plurality of gratings and drive electrodes, wherein the liquid crystal layer includes only positive liquid crystal molecules; both a refractive index of the first electrode and a refractive index of the first substrate are greater than a normal refractive index no of liquid crystal in the liquid crystal layer; and a refractive index of each of the plurality of gratings lies between the normal refractive index no and an abnormal refractive index ne of the liquid crystal.

Abstract: The present disclosure provides a display apparatus and a displaying method. The display apparatus includes an optical device, a laser source at a light incident side of the optical device, a driving circuit coupled to the optical device, and a holographic image data storing device coupled to the driving circuit. The optical device includes a plurality of mutually independent optical units, the optical units are capable of refracting incident linearly polarized laser light, refractive indexes of the optical units are adjustable, and the refractive indexes of adjacent optical units are changed according to a sinusoidal curve. The driving circuit is to obtain image data of the to-be-displayed holographic image from the holographic image data storing device, and adjust the refractive index of each optical unit according to the image data. The laser source is to emit laser beams corresponding to a to-be-displayed holographic image.

Abstract: A display device and a display method thereof are provided. The display device includes a display panel and at least one optical device arranged at a light-exiting side of the display panel. A light beam emitted from the display panel is a linearly-polarized, collimated light beam. The optical device includes a plurality of optical units independent of each other and corresponding to pixel units of the display panel in a one-to-one correspondence manner. Each optical unit is capable of refracting the light beam emitted from the display panel at an adjustable angle. Collimated light beams from the adjacent optical units have different emergent angles so that the light beams emitted from the display panel are converged at two viewing points, so as to display a virtual image with a spatial depth.

Abstract: A three-dimensional display device includes: a plurality of sub pixels and a plurality of grating structures in a one-to-one correspondence with the plurality of sub pixels; each grating structure is configured to enable light to emerge according to an assigned direction, so that emergent light of the three-dimensional display device is converged into at least two viewpoints at a left eye of an observer and converged into at least two viewpoints at a right eye of the observer.