A display device includes a display panel that emits light from a plurality of pixels arrayed at predetermined pixel array pitches and an optical film, placed over the display panel so as to allow passage of light from the plurality of pixels, that includes first and second optical functional parts differing in optical performance from each other. The first and second optical functional parts are arrayed at predetermined functional part array pitches. Assuming that p (μm) denotes the pixel array pitches, that q (μm) denotes the functional part array pitches, and that d (μm) denotes a distance in a face-to-face direction between surfaces of the pixels that face the optical film and a surface of the optical film that faces the pixels, q≤0.5p and tan(asin(0.7/q))<p/d hold.

Provided are an optical system and an aiming device. The optical system includes a wavefront modulation element with a first surface and a second surface disposed opposite to each other. The first surface of the wavefront modulation element is configured to receive a first light wave without a complete plane wavefront. The second surface of the wavefront modulation element is configured to emit a second light wave with a complete plane wavefront obtained due to the light beam shaping of the first light wave by the wavefront modulation element. The aiming device includes a housing and the optical system.

A dual-mode augmented/virtual reality near-eye wearable display for use with a curved lens element. The lenses are provided with one or more transparent waveguide elements that are disposed within the thickness of the lenses. The waveguide elements are configured to couple display images directly from image sources such as emissive display imagers to an exit aperture or plurality of exit aperture sub-regions within a viewer's field of view. In a preferred embodiment, a plurality of image sources are disposed on the peripheral surface of the lenses whereby each image source has a dedicated input image aperture and exit aperture sub-region that are each “piecewise flat” and have matched areas and angles of divergence whereby a viewer is presented with the output of the plurality of image source images within the viewer's field of view.

A display device includes a display, an image beam shifter, and a light guiding component. The display generates an image beam. The image beam shifter receives the image beam and generates a projected image beam. The light guiding component receives the projected image beam to transport the projected image beam to different positions of a target zone in sequence. The image beam shifter projects the projected image beam to different positions of the light guiding component with time division.

Provided is a structured light projector including a light source configured to emit light, and a nanostructure array configured to form a dot pattern based on the light emitted by the light source, the nanostructure array including a plurality of super cells each respectively including a plurality of nanostructures, wherein each of the plurality of super cells includes a first sub cell that includes a plurality of first nanostructures having a first shape distribution and a second sub cell that includes a plurality of second nanostructures having a second shape distribution.

Configurations are disclosed for presenting virtual reality and augmented reality experiences to users. The system may comprise a lens assembly comprising two transmissive plates, a first of the two transmissive plates comprising a first surface sag based at least in part on a cubic function, and a DOE to direct image information to a user's eye; wherein the DOE is placed in between the two transmissive plates of the lens assembly, and wherein the DOE is encoded with the inverse of the cubic function corresponding to the surface sag of the first transmissive plate; such that a wavefront created by the encoded DOE is compensated by the wavefront created by the first transmissive plate, thereby collimating light rays associated with virtual content delivered to the DOE.

An image cast system includes: a transparent holographic display screen; a first diffraction grating superimposed at a first display surface of the transparent holographic display screen; a second diffraction grating superimposed at a second display surface of the transparent holographic display screen; a plurality of cast light sources including a cast light source disposed outside and facing towards the transparent holographic display screen or a cast light source disposed inside the transparent holographic display screen; and a control device connected to the transparent holographic display screen, the first diffraction grating, the second diffraction grating, and the plurality of cast light sources. The control device controls at least one cast light source of the plurality of cast light sources to cast a virtual scene image onto the first display surface of the transparent holographic display screen; and outputs an electrical control signal to the second diffraction grating.

A super-resolution microscope avoids the need for complex phase plate optics normally used to produce a doughnut-shaped depletion beam by employing low-intensity regions of common diffraction patterns such as an Airy disk.

A display device comprising a display module configured to define a display surface. The display module includes a display panel including a plurality of display elements configured to display an image on the display surface. A plurality of diffraction patterns are spaced apart on the display panel at a constant interval. The diffraction patterns are configured to diffract at least some light beams emitted from the plurality of display elements. The plurality of diffraction patterns comprise an organic material.

A multi-waveguide optical structure, including multiple waveguides stacked to intercept light passing sequentially through each waveguide, each waveguide associated with a differing color and a differing depth of plane, each waveguide including: a first adhesive layer, a substrate having a first index of refraction, and a patterned layer positioned such that the first adhesive layer is between the patterned layer and the substrate, the first adhesive layer providing adhesion between the patterned layer and the substrate, the patterned layer having a second index of refraction less than the first index of refraction, the patterned layer defining a diffraction grating, wherein a field of view associated with the waveguide is based on the first and the second indices of refraction.