Abstract: The present disclosure provides an array substrate, a display panel and a display device, relating to the field of display technologies. The array substrate includes a display area and a peripheral area located at a side of the display area; the peripheral area includes a plurality of first signal line groups, and each of the first signal line groups includes two clock signal lines extending in a same direction; signals transmitted in the clock signal lines are square wave signals, a phase of a clock signal transmitted by one of the clock signal lines in each of the first signal line groups is opposite to a phase of a clock signal transmitted by the other clock signal line in the same first signal line group, and the two clock signal lines in the same first signal line group are arranged to be adjacent to each other.

Abstract: The present disclosure provides a display substrate, a manufacturing method thereof, an intermediate substrate and an electronic paper display apparatus. The display substrate includes: a base substrate including a display region and a bezel region on at least one side of the display region; a plurality of test sub-terminals in the bezel region, including a common voltage test sub-terminal and a plurality of non-common voltage test sub-terminals; and a first electrostatic ring in the bezel region, through which the plurality of non-common voltage test sub-terminals are arranged in series and/or grounded.

Abstract: The present disclosure provides an array substrate, a display panel and a display device, relating to the field of display technologies. The array substrate includes a display area and a peripheral area located at a side of the display area; the peripheral area includes a plurality of first signal line groups, and each of the first signal line groups includes two clock signal lines extending in a same direction; signals transmitted in the clock signal lines are square wave signals, a phase of a clock signal transmitted by one of the clock signal lines in each of the first signal line groups is opposite to a phase of a clock signal transmitted by the other clock signal line in the same first signal line group, and the two clock signal lines in the same first signal line group are arranged to be adjacent to each other.

Abstract: A display apparatus is disclosed and includes: a light guide element, including a first surface, a second surface arranged opposite to the first surface, and side surfaces connecting the first surface and the second surface; an image source assembly including two image sources at the side surfaces of the light guide element respectively, where light waves emitted from the image source are incident from the side surface into the light guide element; a coupling-out structure at a side of the second surface facing away from the first surface and configured to reflect a light reaching the second surface to the first surface; a super surface structure at a side of the first surface facing away from the second surface and configured to transmit lights reaching the first surface that are emitted from the two image source to a left eye and right eye of a user respectively.

Abstract: A display substrate, where each sub-pixel includes lower and upper electrodes on a base substrate; the lower electrode includes multiple first and second electrode strips; the upper electrode includes multiple third and fourth electrode strips; the first and third electrode strips are electrically connected together; the second and fourth electrode strips are electrically connected together; two adjacent electrode strips in the first and/or second electrode strips are mutually spaced apart; two adjacent electrode strips in the third and/or fourth electrode strips are mutually spaced apart; M sequentially adjacent first electrode strips and N sequentially adjacent second electrode strips are alternately arranged; M sequentially adjacent third electrode strips and N sequentially adjacent fourth electrode strips are alternately arranged; M=1, 2, 3, . . . ; N=1, 2, 3, . . .

Abstract: An optical phased array is provided, including: a silicon substrate; a silicon oxide layer; an optical waveguide layer including a coupling beam splitter and a grating antenna; a silicon oxide cladding layer, disposed around the optical waveguide layer and filled in the band-shaped gap; and one or more lithium niobate phase shifters; each lithium niobate phase shifter includes: a lithium niobate thin film located in the band-shaped gap, a lithium niobate optical waveguide disposed over the lithium niobate thin film and connected to the coupling beam splitter and the grating antenna, modulation electrodes. The present disclosure uses materials with high electro-optical coefficient and low loss, such as lithium niobate, to replace thermal modulation resistors and the phase modulation mode based on carrier injection used in optical phased arrays, so that the optical phase modulation with low power consumption, high speed and low waveguide loss can be performed.

Abstract: The grating substrate includes a first base substrate and a plurality of grating units on the first base substrate. The grating unit includes two control layers, a barrier structure between the two control layers, and a plurality of movable particles in a closed cavity surrounded by the barrier structure and the two control layers. The two control layers include a first control layer and a second control layer. The first control layer is located on a side of the second control layer distal from the first base substrate, and the two control layers are configured to control movement of the plurality of particles. The particles satisfy at least one of the following conditions: the particles have a refractive index smaller than a refractive index of the first control layer, or the particles are non-transparent particles.

Abstract: A silicon photonic chip-based LiDAR, comprising a silicon photonic chip (2), a laser module, a beam collimator module (4), and a signal processing module (6), where the laser outputs a frequency modulated continuous laser and transmits the frequency modulated continuous laser to the silicon photonic chip (2), where the laser is split and transmitted in the silicon photonic chip (2) to form a reference interference light and a local oscillation light on the one hand, and the split laser is transmitted to the target (5) via the beam collimator module (4), and then the reflect light of the reference interference light is received to interfere with the local oscillation light to form a measurement interference light on the other hand; and the reference interference light and the measurement interference light are photoelectrically detected in the silicon photonic chip (2) and form an electrical signal being output to the signal processing module (6) to obtain the distance and speed of the target.

Abstract: The present disclosure provides a holographic reproduction device, a holographic reproduction system, and a holographic display system. The holographic reproduction device includes a first light source configured to provide first coherent light; at least one electrically addressed liquid crystal display panel configured to display a holographic interferogram, so that the first coherent light is diffracted when the first coherent light transmits through the holographic interferogram to present a holographic reproduction image. A liquid crystal material of the electrically addressed liquid crystal display panel includes smectic liquid crystal.

Abstract: The present disclosure provides a method for compensating a common voltage. The method for compensating a common voltage includes: generating a feedback signal by acquiring a real-time monitoring result of a feedback signal line on the common voltage, the feedback signal including a plurality of time periods, each of the time periods including a first sub-period in which the feedback signal is interfered by the periodic signal and a second sub-period in which the feedback signal is not interfered by the periodic signal; processing the feedback signal to eliminate distortion of the feedback signal caused by interference of the periodic signal in the first sub-period; and compensating for the common voltage according to the feedback signal.

Abstract: A display panel includes a plurality of sub-pixels. At least one sub-pixel of the plurality of sub-pixels includes a first electrode, a light modulation structure disposed on a side of the first electrode, and a second electrode disposed at a side of the light modulation structure away from the first electrode. The light modulation structure includes a refractive index adjustment layer, and a light modulation layer disposed between the refractive index adjustment layer and the first electrode. A refractive index of the refractive index adjustment layer is changed under action of an electric field between the first electrode and the second electrode. The light modulation layer is in contact with the refractive index adjustment layer, and at least a part of a surface of the light modulation layer that is in contact with the refractive index adjustment layer is a curved face.

Abstract: The present disclosure relates to a display substrate. The display substrate may include a base substrate, a light filtering layer on the base substrate, a plurality of light blocking grooves in the light filtering layer, and a plurality of light blocking strips in the plurality of light blocking grooves respectively. The plurality of light blocking strips may be configured to block light from viewing angles outside a visible range of the display substrate.

Abstract: An OLED display panel is provided, including a pixel circuit layer, an OLED layer, and a reflective layer that are sequentially stacked, wherein the reflective layer includes at least one reflective block, and the at least one reflective block is a conductor and is connected to a touch integrated circuit.

Abstract: Provided are a display panel and a driving method thereof. The display panel includes an array substrate, the display panel including a display region and a peripheral region. In the peripheral region, a common voltage wiring, a voltage feedback wiring, a periodic signal wiring, and a decoupling wiring are disposed on the array substrate at intervals; the common voltage wiring is configured to transmit a common voltage signal for display to a pixel array in the display region, the voltage feedback wiring is configured to transmit a voltage feedback signal for monitoring changes in the common voltage signal, the periodic signal wiring is configured to provide the pixel array with a periodic signal for display, the decoupling wiring is located between the periodic signal wiring and the voltage feedback wiring, and is configured to transmit a decoupling signal for reducing coupling distortion of the voltage feedback signal.

Abstract: The present disclosure relates to a display device and a display method thereof. The display device includes: a plurality of sub-pixels each including a light emitting element and a liquid crystal spatial light modulator, wherein the liquid crystal spatial light modulator is located on a light emission side of the light emitting element, and a phase of light emitted by the light emitting element is modulatable after passing through the liquid crystal spatial light modulator; a first control circuit configured to control a light emission intensity and chromaticity of the light emitting element; and a second control circuit configured to control deflection of liquid crystal in the liquid crystal spatial light modulator so as to modulate the phase.

Abstract: An OLED display panel is provided, including a pixel circuit layer, an OLED layer, and a reflective layer that are sequentially stacked, wherein the reflective layer includes at least one reflective block, and the at least one reflective block is a conductor and is connected to a touch integrated circuit.

Abstract: The present disclosure relates to a display substrate. The display substrate may include a base substrate, a light filtering layer on the base substrate, a plurality of light blocking grooves in the light filtering layer, and a plurality of light blocking strips in the plurality of light blocking grooves respectively. The plurality of light blocking strips may be configured to block light from viewing angles outside a visible range of the display substrate.

Abstract: The grating substrate includes a first base substrate and a plurality of grating units on the first base substrate. The grating unit includes two control layers, a barrier structure between the two control layers, and a plurality of movable particles in a closed cavity surrounded by the barrier structure and the two control layers. The two control layers include a first control layer and a second control layer. The first control layer is located on a side of the second control layer distal from the first base substrate, and the two control layers are configured to control movement of the plurality of particles. The particles satisfy at least one of the following conditions: the particles have a refractive index smaller than a refractive index of the first control layer, or the particles are non-transparent particles.

Abstract: Embodiments of the present disclosure provide an anti-glare apparatus, a method for manufacturing the same, a rear-view mirror, an anti-glare method, a computer equipment, and a storage medium. The anti-glare apparatus includes: a first substrate; a second substrate; and a plurality of anti-glare cells. Each anti-glare cell includes a light intensity detector and an anti-glare display device. The light intensity detector is configured to detect a light intensity of incident light and output an electrical signal. The anti-glare display device is configured to adjust a light transmittance of the anti-glare display device according to the electrical signal output by the light intensity detector, so that outgoing light emitted after the incident light is reflected by the anti-glare display device has a light intensity that is within a preset light intensity range.

Abstract: The present disclosure provides a display panel, a manufacturing method and a control method thereof and a display device. The display panel comprises a first substrate and a second substrate disposed opposite to each other, a first electrode layer is disposed on a side of the first substrate proximal to the second substrate, a second electrode layer is disposed on a side of the second substrate proximal to the first substrate, the display panel further comprises a third electrode layer disposed between the first electrode layer and the second electrode layer, a pixel layer disposed between the first electrode layer and the third electrode layer, and a liquid crystal layer disposed between the third electrode layer and the second electrode layer for forming a grating.