Abstract: A display device includes: an optical waveguide comprising an optical waveguide body and a light outputting section disposed on the optical waveguide body; M lens assemblies disposed adjacent to an end of the optical waveguide body, wherein at least two lens assemblies of the M lens assemblies have different focal lengths, and M is a natural number greater than one; and M display screens corresponding to the M lens assemblies in one-to-one correspondence, each of the M display screens configured to emit light with image information through a corresponding lens assembly to the optical waveguide body for transmission; wherein the light outputting section is configured to output the light from the M display screens out of the optical waveguide body for imaging, the light from the M display screens form M images, respectively, and at least two images of the M images have different image distances.

Abstract: The disclosure discloses a near-to-eye display device, including: a first display screen, a first imaging lens, a second display screen, a second imaging lens and a waveguide. The first display screen provides a first image and the first image enters the waveguide through the first imaging lens. The second display screen provides a second image, the second image enters the waveguide through the second imaging lens. Imaging light rays from the first imaging lens and the second imaging lens can emit towards a light-emitting surface of the waveguide via a light taking part, and enter the human eyes.

Abstract: A display system based on a four-dimensional light field, and a display method therefor. The display system includes: a light source module (11), a display panel (12), and a light conduction component (13), wherein the light source module (11) includes a plurality of light sources arranged in an array; and the display panel (12) is a reflective liquid crystal display panel, and the display panel (12) includes a plurality of pixel units arranged in an array. Light emitted by the light sources in the light source module (11) irradiates the pixel units in the display panel (12); and the pixel units in the display panel (12) transmit the received light to a target position by means of the light conduction component (13).

Abstract: The present disclosure provides an optical display system and method, and a display device. The optical display system includes: a display screen; a light split member configured to split light from the display screen into a first polarized light and a second polarized light with different polarization directions; a first optical waveguide configured to guide the first polarized light to a light exit side of the optical display system; and a second optical waveguide located at a light exit side of the first optical waveguide, spaced apart from the first optical waveguide, and configured to at least partially transmit the first polarized light and guide the second polarized light to the light exit side of the optical display system.

Abstract: A near-eye display device, including: a display device (1) for displaying an image; an imaging lens (2) on a light-outgoing side of the display device (1) and for imaging the image displayed on the display device (1); a polarizer (3) on the light-outgoing side and for converting light emitted from the display device (1) into linearly polarized light; first and second phase delay layers (41, 42), on a side of the polarizer (3) distal to the display device (1) and for converting a polarization state of incident light; a polarized light splitter (5) on a side of the second phase delay layer (42) distal to the polarizer (3); and a curved mirror (6) on a reflected light path of the polarized light splitter (5) and for partially reflecting light transmitted by the second phase delay layer (42) to human eyes and partially transmitting ambient light.

Abstract: A head up display system, including: a display screen used for displaying an image; an imaging lens arranged on a light exit side of the display screen and used for imaging an image displayed on the display screen; and a curved reflecting mirror arranged on the side of the imaging lens facing away from the display screen and used for receiving imaging light of the imaging lens and reflecting said light to the position where human eyes are located. Relative positions of the display screen and the imaging lens are fixed, and the imaging lens and the curved reflecting mirror adopt a separate structure.

Abstract: Provided is a near-eye display apparatus, comprising: a first display (11), used for displaying a first image, entering a beam splitter (30) by means of a first imaging lens (12); a second display (21), used for displaying a second image, entering the beam splitter (30) by means of a second imaging lens (22), the beam splitter (30) being used for transmitting the imaging light beam of the first imaging lens (12) and reflecting the imaging light beam of the second imaging lens (22); a waveguide plate (40), located on the light exit path of the beam splitter (30), and used for receiving outgoing light from the beam splitter (30) and transmitting same; the waveguide plate (40) is internally provided with a light-taking component (400), the light-taking component (400) being used for reflecting the imaging light beam transmitted in the waveguide plate (40) toward a position where a human eye is located.

Abstract: A display system based on a four-dimensional light field, and a display method therefor. The display system includes: a light source module (11), a display panel (12), and a light conduction component (13), wherein the light source module (11) includes a plurality of light sources arranged in an array; and the display panel (12) is a reflective liquid crystal display panel, and the display panel (12) includes a plurality of pixel units arranged in an array. Light emitted by the light sources in the light source module (11) irradiates the pixel units in the display panel (12); and the pixel units in the display panel (12) transmit the received light to a target position by means of the light conduction component (13).

Abstract: A near-eye display apparatus is disclosed. The near-eye display apparatus includes a lens and an optical path folding assembly. The lens is configured to receive incident light of a first image, which is projected by a micro-display, and shape the first image; the lens includes a primary optical axis and a first lens face and a second lens face which are opposed in a first direction where the primary optical axis of the lens is positioned, a curvature radius of the first lens face is within a range of 70 to 100 millimeters, and a curvature radius of the second lens face is within a range of 10 to 30 millimeters; and the optical path folding assembly is configured to receive light of the first image shaped by the lens and fold an optical path from the lens to an exit pupil of the near-eye display apparatus.

Abstract: A near-eye display apparatus is disclosed. The near-eye display apparatus includes a lens and an optical path folding assembly. The lens is configured to receive incident light of a first image, which is projected by a micro-display, and shape the first image; the lens includes a primary optical axis and a first lens face and a second lens face which are opposed in a first direction where the primary optical axis of the lens is positioned, and both the first lens face and the second lens face are aspheric surfaces; and the optical path folding assembly is configured to receive light of the first image shaped by the lens and fold an optical path from the lens to an exit pupil of the near-eye display apparatus. By adopting the bi-aspherical lens, image quality of the near-eye display apparatus can be improved and the volume can be reduced.

Abstract: The present disclosure discloses a near-eye display apparatus including: a first display screen and a second display screen; and a first collimating lens, a second collimating lens, a first polarization converter which converts emitted light of the first display screen into first circularly polarized light, a second polarization converter which converts emitted light of the second display screen into second circularly polarized light, a waveguide plate configured to conduct the first circularly polarized light and the second circularly polarized light, and a super lens which is located in a light emitting region of the waveguide plate.

Abstract: A near-to-eye display device, includes: a display screen configured to display different images in a first time division mode, a polarization converter at a light-emitting side of the display screen and configured to convert emitted light of the different images displayed by the display screen into first circularly polarized light rays and second circularly polarized light rays in a second time division mode. Here the first circularly polarized light rays and the second circularly polarized light rays are opposite in rotation direction. The device further includes a polarization lens at a side facing away from the display screen of the polarization converter, and a focusing lens at a side facing away from the display screen of the polarization converter. The polarization lens and the focusing lens are configured to focus the first circularly polarized light rays and the second circularly polarized light rays at positions of different focal lengths.

Abstract: A near-eye display device, including: a display screen (1) used for image display; an imaging lens (2) located at a light emission side of the display screen (1) and used for imaging a displayed image of the display screen (1); a flat plate (3) located on the side of the imaging lens (2) facing away from the display screen (1) and obliquely arranged relative to the optical axis of the imaging lens (2); a phase retardation layer (4) located on the side of the flat plate (3) facing the imaging lens (2); a polarization beam-splitting layer (5) located between the phase retardation layer (4) and the flat plate (3); a polarizing layer (6) located between the polarization splitting layer (5) and the flat plate (3); and a curved mirror (7).

Abstract: A display device and a display method are provided. The display device includes a first screen and a first reflector on a light emission side of the first screen; the first screen and the first reflector are in a first light path; the display device further includes a second screen and a second reflector on a light emission side of the second screen; the second screen and the second reflector are in a second light path; the first light path and the second light path converge in a first position.

Abstract: The present disclosure discloses an optical lens module and a virtual reality device. The optical lens module includes: a lens assembly, and transflective layers attached to surfaces on a light incident side and a light emitting side of the lens assembly. The lens assembly includes a central region and at least one annular region surrounding the central region. The central region has a refractive index smaller than the at least one annular region. When more than one annular region is provided, the annular regions are sequentially arranged layer by layer, the annular region located on the outermost side has the maximum refractive index, and for any other annular region, the refractive index is smaller than that of the annular region located outside thereof.

Abstract: The present disclosure provides an optical system and a near-eye display device. The optical system includes an optical waveguide and an eyepiece system. The eyepiece system is on a light incident side of the optical waveguide, and a light exit side of the eyepiece system is opposite to the light incident side of the optical waveguide so that light exited from the eyepiece system is incident on the optical waveguide. The eyepiece system includes a lens group which includes a first lens, a second lens and a third lens which are sequentially arranged in a direction parallel to the optical axis of the lens group; a side of the first lens away from the second lens is the light exit side of the eyepiece system, each of the first lens and the third lens has a positive focal power; and the second lens has a negative focal power.

Abstract: A method and apparatus for optimizing a lens of a virtual reality device and a computer readable storage medium. The method for optimizing a lens of a virtual reality device includes setting an optimization objective and optimization variables for imaging with a lens; and performing optimization processing on the imaging of an object point through the lens by the optimization variables, and obtaining a lens parameter value by which the imaging result is in accordance with the optimization objective, an image surface of the imaging of the object point through the lens being an image surface on which the astigmatism is less than a preset threshold.

Abstract: An optical displaying system, a controlling method thereof, and a displaying device, which relates to the technical field of displaying.

Abstract: A display device, a display method thereof, and a display system. The display device includes at least two display screens; and a light transmission portion, configured to transmit image light emitted by the at least two display screens to a predetermined region. The at least two display screens or the light transmission portion is configured to be movable, so that distances from image planes imaged by the at least two display screens through the light transmission portion to the predetermined region can be adjusted independently.

Abstract: A display device includes a base substrate, a display panel, and a moveable structure located between the base substrate and the display panel, fixedly connected to the display panel and slidably connected to the base substrate; the display panel includes pixel areas and non-pixel areas between the pixel areas; in displaying phase, the moveable structure is configured to control the display panel to perform reciprocating motion with a preset cycle, the distance that the display panel moves in a single direction in the preset cycle is smaller than or equal to the width of a non-pixel area in the single direction, the preset cycle is the time required for the display panel to perform reciprocating motion once, and the time that the display panel moves in the single direction in the preset cycle is equal to the time that an image of the display panel is refreshed once.