A light shield device, a light shield control method, an electronic device and a vehicle are provided. The light shield device includes a controller module and a light shield structure, the light shield structure includes an accommodating cavity, an electrowetting material being in the accommodating cavity and having a light-shielding property, and at least one fluid tube which is communicated with the accommodating cavity; and the controller module is configured to apply a voltage to the light shield structure, so that wettability of a surface of the at least one fluid tube is changed to allow the electrowetting material to fill the at least one fluid tube.

Provided are an augmented reality optical module, including a first lens, a second lens, a third lens group, a first polarization modulation unit provided on a side of the third lens group and configured to modulate the light emitted by the image source into first circularly polarized light, an angle selection film provided on a first surface of one side of the first lens and configured to reflect light having an incidence angle greater than or equal to a first angle and transmit light having an incidence angle smaller than or equal to a second angle, and a second polarization modulation unit provided on the other side of the first lens and configured to modulate incident circularly polarized light into linearly polarized light.

A method and device for refraction adjustment in an augmented reality apparatus, and an augmented reality apparatus. The method for refraction adjustment includes: receiving light rays reflected from eyes of a user wearing an augmented reality apparatus; determining a pupil distance of the user according to the reflected light rays; and generating a refraction correction signal according to the pupil distance of the user and a desired diopter(s) for correcting diopters of the user's eyes by means of a refraction adjustment element.

A head-up display is configured to project an image on a transparent reflection member to cause an observer to visually recognize a virtual image, and includes a display device configured to display the image, and a projection optical system configured to project the image displayed by the display device as the virtual image for the observer. The projection optical system is configured to form an image as an intermediate image, and includes a first lens configured to condense light, and a first optical element configured to diffuse light. The first lens and the first optical element are disposed in this order along an optical path from the display device. The first lens is inclined with respect to a reference beam which is defined as a beam reaching a center of a viewpoint region of the observer and corresponding to a center of the virtual image.

Systems, methods, and non-transitory computer readable media for controlling perspective in an extended reality environment are disclosed. In one embodiment, a non-transitory computer readable medium contains instructions to cause a processor to perform the steps of: outputting for presentation via a wearable extended reality appliance (WER-appliance), first display signals reflective of a first perspective of a scene; receiving first input signals caused by a first multi-finger interaction with the touch sensor; in response, outputting for presentation via the WER-appliance second display signals to modify the first perspective of the scene, causing a second perspective of the scene to be presented via the WER-appliance; receiving second input signals caused by a second multi-finger interaction with the touch sensor; and in response, outputting for presentation via the WER-appliance third display signals to modify the second perspective of the scene, causing a third perspective of the scene to be presented via the WER-appliance.

Methods and systems for determining an individual gaze value are disclosed herein. An exemplary method involves: (a) receiving gaze data for a first wearable computing device, wherein the gaze data is indicative of a wearer-view associated with the first wearable computing device, and wherein the first wearable computing device is associated with a first user-account; (b) analyzing the gaze data from the first wearable computing device to detect one or more occurrences of one or more advertisement spaces in the gaze data; (c) based at least in part on the one or more detected advertisement-space occurrences, determining an individual gaze value for the first user-account; and (d) sending a gaze-value indication, wherein the gaze-value indication indicates the individual gaze value for the first user-account.

A vehicular video camera display system includes an interior rearview mirror assembly having a casing and an electro-optic reflective element, with a video display device disposed in the casing behind the electro-optic reflective element. With the interior rearview mirror assembly mounted at the interior cabin portion of the vehicle, a video display screen of the video display device is operable to display video images that are viewable through the electro-optic reflective element by a driver of the vehicle. A rearward-viewing video camera is disposed at a rear portion of the vehicle and views at least rearward of the vehicle. Control circuitry is disposed at the interior rearview mirror assembly. Image data captured by the rearward-viewing video camera is communicated from the rearward-viewing video camera via a twisted pair wire to the control circuitry disposed at the interior rearview mirror assembly.

A vehicular video camera display system includes an interior rearview mirror assembly having a casing and an electro-optic reflective element, with a video display device disposed in the casing behind the electro-optic reflective element. With the interior rearview mirror assembly mounted at the interior cabin portion of the vehicle, a video display screen of the video display device is operable to display video images that are viewable through the electro-optic reflective element by a driver of the vehicle. A rearward-viewing video camera is disposed at a rear portion of the vehicle and views at least rearward of the vehicle. Control circuitry is disposed at the interior rearview mirror assembly. Image data captured by the rearward-viewing video camera is communicated from the rearward-viewing video camera via a twisted pair wire to the control circuitry disposed at the interior rearview mirror assembly.

A display device dynamically determines pixel settle times to reduce a display latency. The display device includes a backlight unit (BLU) for providing light for displaying an image, a plurality of pixels for modulating the light provided by the BLU, and a controller circuit for controlling the BLU and the plurality of pixels. The controller circuit determines a settle time from display data for a current display frame and display data for a previous display frame, and turns on the BLU based on the determined settle time. The determined settle time corresponding to an expected amount of time for the plurality of pixel to transition from a first state corresponding to the display data for the previous display frame to a second state corresponding to the display data for the current display frame.

A display device includes a light source, a spatial light modulator, and an optical assembly. The light source is configured to provide illumination light and the spatial light modulator is positioned to receive the illumination light. The optical assembly includes a first reflective surface with an aperture and a second reflective surface that is opposite to the first reflective surface. The optical assembly is positioned relative to the light source so that at least a first portion of the illumination light received by the optical assembly is reflected by the second reflective surface toward the first reflective surface, is reflected by the first reflective surface toward the second reflective surface, and is transmitted through the second reflective surface. A method performed by the display device is also disclosed.