Abstract: The disclosure belongs to the field of visible light communication, and specifically discloses a stripe image processing method and apparatus for camera optical communication. The method includes: obtaining a stripe image data set, the stripe image data set including a stripe image sample and a stripe sequence label corresponding to the stripe image sample and a stripe-free image label; based on the stripe image sample and the stripe sequence label corresponding to the stripe image sample and the stripe-free image label, training a generative adversarial network to obtain an image reconstruction model and a stripe extraction model; among them, the image reconstruction model serves as a generator of the generative adversarial network, and the stripe extraction model serves as a discriminator of the generative adversarial network.

Abstract: An optical imaging system (1) is configured for photographing a sample and includes a lighting module (11) and an imaging module (15). The lighting module (11) is configured for outputting excitation light, the excitation light is configured to excite the sample to generate excited light, the imaging module (15) comprises a time delay integration line scan camera (151), the time delay integration line scan camera (151) is configured to record the excited light. A biochemical substance detection system using the optical imaging system (1) is also provided, improving the detection flux.

Abstract: The present disclosure provides a detecting apparatus, system, and method, and belongs to the technical field of detection. The detecting apparatus includes a beam splitting device, a first dichroic mirror, an objective lens, a fluorescence guiding device, and an imaging system including a plurality of imaging devices.

Abstract: The present disclosure provides a smart label based on NFC, a hat, and a manufacturing method of the smart label. The smart label includes an NFC chip storing product information, a fixing layer fixing the NFC chip, a first recycled material layer disposed on the fixing layer, a first silicone layer, a second recycled material layer disposed on the fixing layer, a second silicone layer, and a wrapping layer. The product information is obtained by an electronic device having an NFC function. The wrapping layer is wrapped around an outer periphery of a structure. The structure is formed by the first silicone layer, the first recycled material layer, the fixing layer, the second recycled material layer, and the second silicone layer. By providing the NFC chip in the smart label, when the electronic device is communicated with the smart label on the hat, the product information is read.

Abstract: The disclosure provides an LED light source recognition method, device, apparatus, and medium based on deep learning, belonging to the field of indoor positioning and navigation technology. The method includes the following. In an LED lighting environment, a spline frame is obtained through a CMOS camera, in which the spline frame is an image having dark stripes. The spline frame is input to a target detection model, a dark stripe detection result output by the target detection model is obtained. The multiple rectangular boxes are preprocessed, and based on the predicted classification corresponding to each preprocessed rectangular box, an image feature encoding sequence of the spline frame is determined. The image feature encoding sequence is compared with a light source feature encoding sequence corresponding to each LED light source to determine the light source feature encoding sequence that best matches the spline frame.

Abstract: A display device and a dimming device are provided. A dimming layer is located between a first polarizer and a second polarizer whose transmission axes are parallel to each other. When the display device is in a first display mode, long axes of the liquid crystal molecules distributed in the first polymer network are arranged along the second direction, and long axis of the liquid crystal molecules distributed in the second polymer network are arranged along the third direction. The third direction and the second direction respectively point to opposite sides of a normal line of the first polarizer.

Abstract: The present disclosure discloses a display device including a display panel and a dimming apparatus located on a light-emitting side of the display panel. The dimming apparatus includes a cholesteric liquid crystal layer; when the display device is in an anti-peek mode, the cholesteric liquid crystal layer is in a reflective state.

Abstract: The present application provides a display device, when the display device is in a first display mode, a transmittance of first optical units to light is less than a transmittance of second optical units to light, so that diffracted light is emitted due to a phenomenon that apertures in a diffraction panel are alternating between light and dark. After the diffracted light emitted by the diffraction panel passes through a display panel, the display device has a wide viewing angle in the first display mode.

Abstract: Disclosed is a thermoplastic polymer composition of polyamide including: A) polyamide composition comprising, a) 55-90 weight percent semi-crystalline, semi-aromatic co-polyamide, and b) 10-45 weight percent aliphatic homo-polyamide; B) 5-40 weight percent of co-grafted polymeric toughener; wherein the co-grafted polymeric toughener is a co-grafted blend of polyolefins with at least two glass transition temperatures and obtained from the blend of polyolefins and a reactive monomer; C) 0-15 weight percent one or more plasticizers; D) 0-2.5 weight percent one or more antioxidants and or a heat stabilizer; E) 0 to 5 weight percent of additives selected from the group consisting of flame retardant, UV stabilizer, light stabilizer, thermal stabilizer, lubricant, colorant or the like. Further disclosed herein is a process for providing the composition and its application.

Abstract: A display panel and a display device are provided by the present application. The display panel includes a photosensitive functional region, and an optical waveguide module is disposed on a light-emitting side of the panel main body. The optical waveguide module comprises an optical coupling-in part, an optical waveguide layer, and an optical coupling-out part. The optical coupling-in part is connected with the optical waveguide layer, the optical coupling-out part is connected with the optical waveguide layer. The optical coupling-out part is positioned at a side of the light coupling-in portion and opposites to the photosensitive functional region. The optical coupling-out part is configured to introduce part of the light from the outside world. The optical waveguide layer is configured to guide the light introduced by the optical coupling-in part.

Abstract: The present disclosure discloses a display device including a display panel and a dimming apparatus located on a light-emitting side of the display panel. The dimming apparatus includes a cholesteric liquid crystal layer; when the display device is in an anti-peek mode, the cholesteric liquid crystal layer is in a reflective state.

Abstract: This application discloses a display panel and a manufacturing method thereof, and a display device. A light-adjusting liquid crystal cell of the display panel includes a first substrate, a second substrate, a light-adjusting liquid crystal layer and a sealing layer. The ultraviolet light transmittance of the first substrate in a display area is less than a predetermined threshold, and the ultraviolet light transmittance of the second substrate in the display area is greater than or equal to the predetermined threshold. During the curing of frame glue, it can prevent pre-polymerized molecules from being exposed to light in advance. During the curing of the pre-polymerized molecules, it can make the pre-polymerized molecules have a cross-linking reaction to form a polymer network.

Abstract: Embodiments of the present application disclose a display panel and a preparation method thereof, and a display device. The display panel comprises a polymer liquid crystal cell and a light source. The polymer liquid crystal cell comprises a first region close to the light source and a second region away from the light source, and the second region has a higher haze than the first region, thereby reducing the light emitting intensity close to the light source region and increasing the light emitting intensity away from the light source region, so that light guide and light emitting in each region of the polymer liquid crystal cell uniform.

Abstract: A display panel and a display device are provided by the present application. The display panel includes a photosensitive functional region, and an optical waveguide module is disposed on a light-emitting side of the panel main body. The optical waveguide module comprises an optical coupling-in part, an optical waveguide layer, and an optical coupling-out part. The optical coupling-in part is connected with the optical waveguide layer, the optical coupling-out part is connected with the optical waveguide layer. The optical coupling-out part is positioned at a side of the light coupling-in portion and opposites to the photosensitive functional region. The optical coupling-out part is configured to introduce part of the light from the outside world. The optical waveguide layer is configured to guide the light introduced by the optical coupling-in part.

Abstract: The present disclosure provides a smart label based on NFC, a hat, and a manufacturing method of the smart label. The smart label includes an NFC chip storing product information, a fixing layer fixing the NFC chip, a first recycled material layer disposed on the fixing layer, a first silicone layer, a second recycled material layer disposed on the fixing layer, a second silicone layer, and a wrapping layer. The product information is obtained by an electronic device having an NFC function. The wrapping layer is wrapped around an outer periphery of a structure. The structure is formed by the first silicone layer, the first recycled material layer, the fixing layer, the second recycled material layer, and the second silicone layer. By providing the NFC chip in the smart label, when the electronic device is communicated with the smart label on the hat, the product information is read.

Abstract: A display panel and a display device are disclosed. The display panel includes a photoresist layer, a liquid crystal layer, and a total reflection layer. Liquid crystal molecules included in the liquid crystal cells have a first refractive index and a second refractive index. The first refractive index is greater than the second refractive index, and a refractive index of the total reflection units matches with the first refractive index. The display panel and the display device not only have advantages of low manufacturing cost and eye protection, but can also achieve color and dynamic display.

Abstract: A nuclear emergency multifunctional operation robot includes a base, a mechanical arm, a tool change-over device, and motion supporting devices. The base includes a pedestal, a mounting seat A, a mounting seat B, a mounting seat C, a rotation driving mechanism A, and a rotation driving mechanism B. The front end of the mechanical arm is connected to the mounting seat B; the tool change-over device includes a male connector and a female connector which are abutted with or separated from each other; and the motion supporting devices are used to drive the nuclear emergency multifunctional operation robot to move. The present disclosure has the advantages that the base can be integrated with various end tools, so that the operation robot conveniently changes over tools according to operation needs to conduct various types of operations.

Abstract: A display device and a dimming device are provided. A dimming layer is located between a first polarizer and a second polarizer whose transmission axes are parallel to each other. When the display device is in a first display mode, long axes of the liquid crystal molecules distributed in the first polymer network are arranged along the second direction, and long axis of the liquid crystal molecules distributed in the second polymer network are arranged along the third direction. The third direction and the second direction respectively point to opposite sides of a normal line of the first polarizer.

Abstract: An embodiment of the present application discloses a display device and display terminal. The display device includes a first display panel configured to display images and a second display panel configured for an anti-peep effect. The second display panel includes a liquid crystal mixture, the liquid crystal mixture includes liquid crystals and dyes. molecules of liquid crystals and molecules of dyes are aligned consistently. The display device has excellent anti-peep effect, high brightness, thin thickness and can simultaneously achieve the anti-peep function in three positions.

Abstract: Embodiments of the present application disclose a display panel and a preparation method thereof, and a display device. The display panel comprises a polymer liquid crystal cell and a light source. The polymer liquid crystal cell comprises a first region close to the light source and a second region away from the light source, and the second region has a higher haze than the first region, thereby reducing the light emitting intensity close to the light source region and increasing the light emitting intensity away from the light source region, so that light guide and light emitting in each region of the polymer liquid crystal cell uniform.