A liquid crystal display device and an electronic equipment are provided. The liquid crystal display device includes a liquid crystal display panel and an adjustable diffusion sheet configured to improve a light transmissive rate of a light transmissive region. The adjustable diffusion sheet includes a first sub-section corresponding to the position of the light transmissive region. When the light transmissive region is in a transparent state, the first sub-section is in a transparent state. When the light transmissive region is in a display state, the first sub-section is in a fog state.

“A dimming glass window and a vehicle. The dimming glass window includes: a glass unit including an inner glass assembly and an outer glass assembly which are oppositely arranged, an accommodation space is between the inner glass assembly and the outer glass assembly; a touch function layer and a dimming function layer arranged between the inner glass assembly and the outer glass assembly, the touch function layer is on an inner side of the dimming function layer; a control unit in the accommodating space and connected to the touch function layer and the dimming function layer; and a dimming controller arranged outside the glass unit, the dimming controller is connected to the control unit by a wire so as to match the control unit, the touch function layer and the dimming function layer to implement light transmittance adjustment of the dimming glass window. The vehicle includes the dimming glass window.”

Aspects relate to a photonic processing system, a photonic processor, and a method of performing matrix-vector multiplication. An optical encoder may encode an input vector into a first plurality of optical signals. A photonic processor may receive the first plurality of optical signals; perform a plurality of operations on the first plurality of optical signals, the plurality of operations implementing a matrix multiplication of the input vector by a matrix; and output a second plurality of optical signals representing an output vector. An optical receiver may detect the second plurality of optical signals and output an electrical digital representation of the output vector.

A light source for a frequency-modulated continuous-wave (FMCW) LiDAR device is formed by a photonic integrated circuit and comprises a substrate and a multilayer structure. Formed in the multilayer structure is a semiconductor laser that is received in a recess etched into the multilayer structure. An optical path between the semiconductor laser and a reflector forms an external cavity for the semiconductor laser. The external cavity includes a variable attenuator causing an attenuation of light guided in the cavity optical waveguide. The external cavity may also or alternatively include an optical phase modulator.

A light control panel includes a first substrate and a second substrate oppositely disposed, and a first liquid crystal layer therebetween; the first substrate includes: a first base substrate; and a signal transmission line on a side of the first base substrate close to the first liquid crystal layer and in the peripheral area, the second substrate includes: a second base substrate; and a first black matrix layer on a side of the second base substrate close to the first liquid crystal layer and in the dimming area and the peripheral area; the first black matrix layer has a slot in the peripheral area, and an orthographic projection of at least a part of the slot on the first base substrate is on a side of an orthographic projection of the signal transmission line on the first base substrate, close to the dimming area.

A drive circuit for driving an electro-optical device like an optically switchable glazing, e.g. a glass panel provided with a PDLC or SPD layer, comprises a set of input terminals for receiving an alternating input voltage at a first frequency; a set of output terminals for supplying an alternating output voltage at a second frequency; a control circuit generating a control signal dependent on an input signal, the input signal representing a charge state of the electro-optical device; and a current-direction circuit for controlling a current-flow direction of an electrical current in response to the control signal. The control circuit and the current-direction circuit are thereby configured to control the second frequency such that the electro-optical device is prevented from degradation, while keeping an energy consumption low.

The disclosure provides an intelligent window system and an in-vehicle system, and relates to the technical field of window display. The intelligent window system of the disclosure includes: a plurality of dimming glasses and a central processer. The plurality of dimming glasses are communicatively coupled to the central processor and configured to adjust light transmittance according to a dimming instruction sent by the central processor.

Layered assemblies are disclosed, that include a variable transmittance layer having opposing first and second sides; at least a first reflectance color-balancing layer positioned on the first side of the variable transmittance layer; and a transmittance color-balancing layer positioned on the first side or the second side of the variable transmittance layer. The variable transmittance layer may be variable between a dark state and a light state, and may have a dark state transmittance spectrum when in the dark state and a different light state transmittance spectrum when in the light state.

A light control sheet including a light control layer and transparent electrode layers sandwiching the light control layer such that the transparent electrode layers apply a voltage to the light control layer. The light control layer has a light-shielding property which changes based on the voltage applied to the transparent electrode layers and is measurable by a light-shielding ratio defined by JIS L 1055:2009, and at least one target change ratio has a maximum value of 0.7 or more in an absolute value, where the target change ratio is a change ratio of the light-shielding ratio with respect to the voltage in a target range of the voltage in which the light-shielding ratio changes by 10%.

A reflectance/transmittance of an optical device disposed at a position through which image light emitted from a liquid crystal display displaying an icon passes is changed according to an anti-glare level to achieve anti-glare of the reflected image. A color of the icon displayed on the liquid crystal display is adjusted such that the higher the transmittance of the optical device is, the lower the lightness is, so that the icon of a similar color is visually recognized regardless of the reflectance/transmittance of the optical device.