An optical system for displaying first and second images to a viewer is provided. A reflective polarizer is disposed between the second display and the viewer and is oriented obliquely relative to the first display. An optical stack including a partial reflector and a retarder layer is disposed between the reflective polarizer and the second display. The reflective polarizer reflects at least 70% of the incident light having a first polarization state and transmits at least 60% of the incident light having an orthogonal second polarization state. The partial reflector reflects at least 70% of the incident light for each of the polarization states. For each of the first and second polarization states and for each of a blue-green wavelength and a green-red wavelength the reflective polarizer transmits at east 70% of the incident light and the partial reflector transmits at least 60% of the incident light.

Provided are: a light guide element in which deterioration in image sharpness can be prevented and the entire area of a display image can be suitably observed irrespective of the visual line of a user, the position of eyes of the user, and the like; and an image display apparatus including the light guide element. The light guide element includes: a light guide plate that includes a first light guide layer and a second light guide layer; and an incidence diffraction element and an emission diffraction element that are laminated on the second light guide layer, in which in a case where a refractive index of the first light guide layer is represented by n1 and a refractive index of the second light guide layer is represented by n2 in the light guide plate, n1<n2 is satisfied.

Provided are: a method of manufacturing an optical element that can display a clear image having no blurriness in AR glasses or the like; and an optical element that is manufactured using this manufacturing method. The manufacturing method include: a step of forming a photo-alignment film, performing interference exposure to form an alignment pattern, and applying a liquid crystal composition to the photo-alignment film to form a first liquid crystal layer; a liquid crystal layer lamination step of forming a photo-alignment film, performing interference exposure to form an alignment pattern, applying a liquid crystal composition to the photo-alignment film to form a liquid crystal layer for lamination, peeling off the liquid crystal layer for lamination from the photo-alignment film, and laminating the peeled liquid crystal layer for lamination on the first liquid crystal layer or the liquid crystal layer for lamination, the liquid crystal layer lamination step being optionally performed once or more; a step of peeling off the first liquid crystal layer from the photo-alignment film; a step of forming an adhesive layer having a surface roughness Ra of 15 nm or less on the light guide plate and/or the first liquid crystal layer; and a step of bonding the light guide plate and the first liquid crystal layer using the adhesive layer.

A method of presenting visual information on a screen (306) involves defining a boundary (314) delineating a first region of the screen (which may be towards a centre of the screen) from a second region of the screen (which may be towards a periphery of the screen), displaying a first portion of the visual information in the first region of the screen at a first display quality, and displaying a second portion of the visual information in the second region of the screen at a second, lower, display quality. The method further involves blurring the visual information for display in at least a portion of the second region. The location of the boundary (314) may change over time, and may be based on where a user is looking, or is expected to be looking, or on the type of information being displayed or based on other parameters.

A diffractive waveguide stack includes first, second, and third diffractive waveguides for guiding light in first, second, and third visible wavelength ranges, respectively. The first diffractive waveguide includes a first material having first refractive index at a selected wavelength and a first target refractive index at a midpoint of the first visible wavelength range. The second diffractive waveguide includes a second material having a second refractive index at the selected wavelength and a second target refractive index at a midpoint of the second visible wavelength range. The third diffractive waveguide includes a third material having a third refractive index at the selected wavelength and a third target refractive index at a midpoint of the third visible wavelength range. A difference between any two of the first target refractive index, the second target refractive index, and the third target refractive index is less than 0.005 at the selected wavelength.

A display device includes: a display unit including a plurality of display panels which displays images of different colors, a lens unit on the display unit, an optical path controller on the lens unit, where the optical path controller generates a composite image by superimposing the images displayed by the plurality of display panels with each other, and an output unit through which the composite image is displayed. The optical path controller controls optical paths of light incident on a first surface of the optical path controller facing the lens unit and light incident on a second surface of the optical path controller, which is opposite to the first surface, and provides the composite image to the output unit.

A display device for projecting light to a viewer may include (1) a plurality of subpixels, in which subpixels may emit light of differing spectral distributions, (2) at least one light deviator disposed optically downstream from the plurality of subpixels, and (3) and a controller. The light emitted from each of the plurality of subpixels may be transmitted through and laterally shifted by the least one light deviator towards a viewer and the at least one light deviator may be mechanically rotatable by a force applied to an outer circumferential region of the at least one light deviator. The controller may control illumination of at least a subset of the plurality of subpixels in synchronization with rotation of the at least one light deviator. Various other apparatus, systems, and methods are also disclosed.

A wearable display system includes one or more nanowire LED micro-displays. The nanowire micro-LED displays may be monochrome or full-color. The nanowire LEDs forming the arrays may have an advantageously narrow angular emission profile and high light output. Where a plurality of nanowire LED micro-displays is utilized, the micro-displays may be positioned at different sides of an optical combiner, for example, an X-cube prism which receives light rays from different micro-displays and outputs the light rays from the same face of the cube. The optical combiner directs the light to projection optics, which outputs the light to an eyepiece that relays the light to a user's eye. The eyepiece may output the light to the user's eye with different amounts of wavefront divergence, to place virtual content on different depth planes.

The present disclosure discloses a control method and apparatus, a device and a storage medium, and relates to the field of computer technologies, and in particular, to technical fields such as intelligent driving, Internet of Vehicles and augmented reality. The control method includes: acquiring an ambient image within a preset range of a projection screen; determining, based on image information of the ambient image, display parameters corresponding to display content, the image information including: image brightness and/or an image color; and controlling the display content to be displayed on the projection screen based on the display parameters. The present disclosure can improve a display effect.

A near-eye optical display system that may be utilized in mixed reality applications and devices includes a see-through waveguide on which diffractive optical elements (DOEs) are disposed that are configured for in-coupling, exit pupil expansion, and out-coupling. The optical display system includes a conformal coating that is thickness modulated over different areas of the display to enable tuning of the optical parameters such as refractive index and reflectivity to meet various design requirements. The conformal coating may also be utilized to enhance physical characteristics of the optical display system to thereby improve reliability and resist wear and damage from handling and exposure to environmental elements.