According to one embodiment, a display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a base, a sensor and a sensor circuit. The sensor is interposed between the base and the liquid crystal layer in a display area including pixels. The sensor outputs a sensing signal corresponding to light incident from alongside the liquid crystal layer. The sensor circuit includes a plurality of switching elements. The pixels include first to third sub-pixels. At least some of elements of the switching elements are arranged in each of areas where the first to third sub-pixels are arranged. A signal line for the sensor, which outputs the sensing signal, is placed on a same layer as a feeding line connected to the sensor.

A display assembly of an electronic device, the electronic device, and a method for manufacturing the display assembly are provided. The electronic device includes a display assembly and a camera module. The display assembly includes a cover plate, a display panel, and a backlight module that are sequentially stacked together. The cover plate has a light transmitting region, and the light transmitting region corresponds to a display region of the display panel. The display region of the display panel defines a first mounting through hole. The first mounting through hole is provided with a light blocking layer on a hole wall of the first mounting through hole, and an end of the light blocking layer close to the cover plate is attached to the light transmitting region.

A display substrate includes: a base substrate, a drive circuit on the base substrate, an insulating layer on a side of the drive circuit away from the base substrate, and a fingerprint recognition device on a side of the insulating layer away from the base substrate. The fingerprint recognition device includes: a first electrode, a photosensitive layer and a second electrode that are disposed in a stacked manner. The first electrode electrically connects to the drive circuit through a via hole running through the insulating layer; and the first electrode forms a recess in the via hole, and the recess is filled with an insulating material, so that a surface of the first electrode on a side away from the base substrate is a flat surface, and the photosensitive layer is disposed on the flat surface.

Certain aspects of the technology disclosed herein integrate a camera with an electronic display. An electronic display can include several layers, such as a cover layer, a color filter layer, a display layer including light emitting diodes or organic light emitting diodes, a thin film transistor layer, etc. A processor initiates light emission from a plurality of display elements. The processor can suspend the light emission from the plurality of display elements for a period of time imperceptible to a human observer. The processor initiates a camera to capture an image during the period of time the plurality of display elements are suspended. The processor can capture a plurality of images corresponding to a plurality of pixels and produce an image comprising depth information.

According to one embodiment, a display device includes a first substrate, a second substrate facing the first substrate and a liquid crystal layer. The first substrate includes a base material, and a sensor which outputs a detection signal based on incident light from a liquid crystal layer side. The sensor includes a photoelectric conversion element including a first surface and a second surface, a first electrode which is in contact with the first surface, and a second electrode which is in contact with the second surface. Each of the photoelectric conversion element and the second electrode is formed in an irregular shape having a plurality of curved portions and a plurality of straight portions connecting the curved portions as seen in plan view.

An embodiment method of measuring ambient light comprises generating, by an ambient light sensor associated with a screen which alternates between first phases in which light is emitted and second phases in which no light is emitted by the screen, a first signal representative of an intensity of light received by the ambient light sensor during the first and second phases; comparing the first signal with a threshold intensity value; and controlling a timing of an ambient light measurement by the light sensor based on the comparison.

A helmet and a method and system for controlling a digital visor of a helmet are disclosed herein. The helmet includes a visor screen having a plurality of liquid crystal display (LCD) pixels, with each LCD pixel configured to alter in transparency. The helmet also includes a light sensor configured to detect incident light. The helmet also includes a controller coupled to the visor screen and the light sensor. The controller is configured to alter the transparency of the plurality of LCD pixels based on the incident light. In embodiments, the controller can alter the transparency of the LCD pixels based on the direction and/or intensity of the incident light.

Disclosed is an electronically-controlled automatic light-shading device, comprising a first glass substrate, a light-shading coating, a polarizing element and a second glass substrate. An image module and a photosensitive element adjacent thereto are embedded in the first glass substrate. The first glass substrate has a first surface on the opposite side to an external light source. The light-shielding coating is applied on the first surface. The polarizing element is disposed on the light-shielding coating. The second glass substrate has a second surface facing the first surface. A plurality of spacers in contact with the polarizing element are disposed on the second surface, and an optical fiber element is disposed in each spacer.

A method for electrically controlling at least one functional element having electrically controllable optical properties, wherein the optical properties are controlled by a control unit, wherein the control unit is connected to at least two transparent flat electrodes of the functional element, and an electrical voltage is applied between the flat electrodes by the control unit, wherein the electrical voltage has a periodic signal profile with a first, variably adjustable frequency and the glazing unit is surrounded by light beams of a second frequency, and wherein the light beams are sensed by a sensor unit and the first frequency is changed as a function of the second frequency, wherein the first frequency is synchronized with the second frequency.

A liquid crystal display panel includes a first transparent glass layer; a second transparent glass layer overlapping the first transparent glass layer; two or more pixel units disposed on a side of the first transparent glass layer opposite to the second transparent glass layer, each of the pixel units including a red sub-pixel, a green sub-pixel, a blue sub-pixel, and a white sub-pixel arranged in accordance with a predetermined rule; a black matrix disposed between the pixel units to isolate two pixel units adjacent to each other; and a fingerprint sensor disposed on the second transparent glass layer, and covered by the black matrix; when the fingerprint sensor is viewed from the top, an area of the fingerprint sensor corresponding to a region of the red sub-pixels is larger than any one of areas of the fingerprint sensors corresponding to respective regions of the green, blue, and white sub-pixels.