Abstract: Provided in the embodiment of the present application are a 3D image display method and apparatus, a medium and a device. The method comprises: receiving a 3D image display request; acquiring an initial left image frame and an initial right image frame; splicing the initial left image frame and the initial right image frame to obtain an image to be displayed; and performing a data reading and cutting operation on the image to obtain a left picture frame and a right picture frame, and then displaying a picture. The present application may avoid incomplete left and right frames in the case of display output delay of main board ends.

Abstract: The embodiments of the present application provide a sampling system and a sampling method, which relate to the field of sampling technologies. The sampling system includes: a tube assembly; a liquid container and at least one sampling container, where the sampling container is in communication with the liquid container through the tube assembly, and the tube assembly automatically controls the liquid in the liquid container to enter or stop entering the sampling container; and a processing device, configured to separate the sampling container from the tube assembly and transfer the sampling container. The sampling system and sampling method provided in the embodiments of the present application solve the problems in the prior art that contamination is easily caused to the clean workshop or the liquid during sampling, and the sampling risks are easily caused by inconsistent sampling operations of the operator.

Abstract: The present application discloses a thermally insulating aerogel vacuum composite panel and a preparation method thereof. The preparation method includes the following steps: (1) mixing TEOS solution and a metal particle, adding a hydrophobic agent, mixing, adding ammonium trifluoroacetate solution dropwise until completely gelating to obtain a metal aerogel precursor; (2) adding the metal aerogel precursor into an acid replacement solution for replacement for 1-24 h to obtain a gel; (3) washing the gel with deionized water to obtain a neutral gel; (4) soaking the neutral gel obtained in step (3) in a first organic resin solvent; (5) pouring the neutral gel into a substrate with honeycomb structure, and aging for re-gelating to obtain a modified panel; (6) drying the modified panel to obtain a honeycomb panel; and (7) aging the honeycomb panel at room temperature for 1-24 h to obtain the vacuum composite panel.

Abstract: A redriver chip for an active copper cable is provided includes: an input signal detection module, configured for detecting a signal amplitude of an input signal; an amplitude gain control module, configured for: performing amplitude control based on a first adjustable gain so as to obtain an intermediate signal; an equalization control module, configured for: performing gain control based on a second adjustable gain, to a gain of a high-frequency part of the intermediate signal relative to a low-frequency part, so as to obtain an output signal. The chip is configured for: amplifying in equal proportions a low-frequency part of the output signal relative to a low-frequency part of the input signal and a high-frequency part of the output signal relative to a high-frequency part of the input signal.

Abstract: The present invention belongs to the field of organophosphorus pesticide (OP) detection, and relates to a method for detecting an OP by a microfluidic chip based on a fluorescent sensing film. A porous fluorescent sensing film and the microfluidic chip are first constructed. The fluorescent sensing film is fabricated through layer-by-layer self-assembly of a platinum nanoparticle@oxalate-metal-organic framework (MOF) composite and a porous two-dimensional (2D) nanosheet, and has the functions of specifically detecting OPs and blocking macromolecular interferents. The microfluidic chip includes a sample channel, injection channels, reaction tanks, microfluidic channels, a detection tank, and an optical fiber channel, such that sample pretreatment and detection processes are integrated in the chip.

Abstract: The present invention belongs to the field of organophosphorus pesticide (OP) detection, and relates to a method for detecting an OP by a microfluidic chip based on a fluorescent sensing film. A porous fluorescent sensing film and the microfluidic chip are first constructed. The fluorescent sensing film is fabricated through layer-by-layer self-assembly of a platinum nanoparticle@oxalate-metal-organic framework (MOF) composite and a porous two-dimensional (2D) nanosheet, and has the functions of specifically detecting OPs and blocking macromolecular interferents. The microfluidic chip includes a sample channel, injection channels, reaction tanks, microfluidic channels, a detection tank, and an optical fiber channel, such that sample pretreatment and detection processes are integrated in the chip.

Abstract: A high-side driver method for a laser of a Lidar, including: transforming a first input signal into a second input signal between a first voltage value and a second voltage value, by a level translation module; stepping down a first voltage signal according to a first voltage difference to obtain a second voltage signal, by a low-dropout linear regulator; generating a first control signal, by the first pre-driver module; generating a pulse current for driving the laser, by the first power switching transistor.

Abstract: A quantum dot luminescent material and a method of producing thereof. The quantum dot luminescent material includes a hole injection layer, a hole transport layer, a quantum dot light emitting layer, an electron transport layer, and an electron injection layer. The quantum dot luminescent layer is located on the hole transport layer, and the quantum dot luminescent layer includes uniformly distributed perovskite nanodots.

Abstract: The present application discloses a thermally insulating aerogel vacuum composite panel and a preparation method thereof. The preparation method includes the following steps: (1) mixing TEOS solution and a metal particle, adding a hydrophobic agent, mixing, adding ammonium trifluoroacetate solution dropwise until completely gelating to obtain a metal aerogel precursor; (2) adding the metal aerogel precursor into an acid replacement solution for replacement for 1-24 h to obtain a gel; (3) washing the gel with deionized water to obtain a neutral gel; (4) soaking the neutral gel obtained in step (3) in a first organic resin solvent; (5) pouring the neutral gel into a substrate with honeycomb structure, and aging for re-gelating to obtain a modified panel; (6) drying the modified panel to obtain a honeycomb panel; and (7) aging the honeycomb panel at room temperature for 1-24 h to obtain the vacuum composite panel.

Abstract: A method of preparing a film and a light-emitting device are disclosed. The method includes: providing at least one gas-phase source above a substrate, the at least one gas-phase source made of materials comprising a perovskite material; and controlling an evaporation rate of the at least one gas-phase source to form a perovskite film. In the method provided by the present invention, a perovskite light-emitting layer is prepared by gas-phase source evaporation coating without an organic solvent, which avoids miscibility between the organic solvent and other layers and improves compatibility between the perovskite material and other film materials, thereby realizing the low preparation cost and the simple preparation process.

Abstract: A present application provides a light-emitting device and a method of manufacturing the same. The light-emitting device includes an anode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode all laminated together. The hole transport layer is treated with a high boiling point polar solution to reduce a Coulomb force of the hole transport layer. The light-emitting device of the present application can improve light-emitting efficiency of the light-emitting device.

Abstract: The present application discloses a perovskite light-emitting device, a preparation method thereof, and a display. The perovskite light-emitting device includes a first injection layer, a first transport layer, a light-emitting layer, a second transport layer, and a second injection layer, which are sequentially stacked, wherein the first injection layer includes indium tin oxide, the second injection layer includes carbon nanotubes, the light-emitting layer includes halide perovskite, and light emitted by the light-emitting layer is simultaneously emitted from the first injection layer and the second injection layer. The perovskite light-emitting device of the present application can stably emit light on double sides.

Abstract: A light-emitting device and a manufacturing method thereof are provided. The light-emitting device includes an anode, a luminous layer, and a cathode, which are disposed in a stacked manner, and a material of the luminous layer includes a perovskite material. A first transport layer is further provided between the luminous layer and the anode, and the first transport layer is configured to transport holes. Alternatively, a second transport layer is further provided between the cathode and the luminous layer, and the second transport layer is configured to transport electrons.

Abstract: The present disclosure provides a display module, a preparation method thereof, and an electronic device of the present disclosure. The display module includes a bending flexible driving substrate and display unit. The bending flexible driving substrate includes a display area, a bending area, and a binding area, wherein the bending flexible driving substrate has a cavity, the display unit is bound to the display area, wherein the display unit includes a plurality of miniature light-emitting diodes, the support body is provided in the cavity, and a shape of a longitudinal section of the support body is a rounded rectangle.

Abstract: The present application discloses a perovskite light-emitting device, a preparation method thereof, and a display. The perovskite light-emitting device includes a first injection layer, a first transport layer, a light-emitting layer, a second transport layer, and a second injection layer, which are sequentially stacked, wherein the first injection layer includes indium tin oxide, the second injection layer includes carbon nanotubes, the light-emitting layer includes halide perovskite, and light emitted by the light-emitting layer is simultaneously emitted from the first injection layer and the second injection layer. The perovskite light-emitting device of the present application can stably emit light on double sides.

Abstract: A perovskite organic light-emitting diode and a preparing method thereof are provided. The perovskite organic light-emitting diode comprises an anode layer, a hole transport layer, a light-emitting layer, an electron transport layer and a cathode layer. The hole transport layer, the light-emitting layer and the electron transport layer are prepared by solution processing. Every film layer is prepared by solution spin coating and dried, thereby the whole preparing process is simple, material utilization rate is high and luminous performance of the device is excellent.

Abstract: A quantum dot luminescent material and a method of producing thereof. The quantum dot luminescent material includes a hole injection layer, a hole transport layer, a quantum dot light emitting layer, an electron transport layer, and an electron injection layer. The quantum dot luminescent layer is located on the hole transport layer, and the quantum dot luminescent layer includes uniformly distributed perovskite nanodots.

Abstract: A method of preparing a film and a light-emitting device are disclosed. The method includes: providing at least one gas-phase source above a substrate, the at least one gas-phase source made of materials comprising a perovskite material; and controlling an evaporation rate of the at least one gas-phase source to form a perovskite film. In the method provided by the present invention, a perovskite light-emitting layer is prepared by gas-phase source evaporation coating without an organic solvent, which avoids miscibility between the organic solvent and other layers and improves compatibility between the perovskite material and other film materials, thereby realizing the low preparation cost and the simple preparation process.

Abstract: A present application provides a light-emitting device and a method of manufacturing the same. The light-emitting device includes an anode, a hole transport layer, a light-emitting layer, an electron transport layer, and a cathode all laminated together. The hole transport layer is treated with a high boiling point polar solution to reduce a Coulomb force of the hole transport layer. The light-emitting device of the present application can improve light-emitting efficiency of the light-emitting device.

Abstract: The present disclosure provides a perovskite-type electroluminescent device and a method for fabricating the same. The perovskite-type electroluminescent device comprises a hole transport layer and an emissive layer disposed on the hole transport layer, wherein the hole transport layer comprises an upper hole transport layer and a lower hole transport layer. The lower hole transport layer is a porous structural layer. The upper hole transport layer adopts a material used in conventional hole transport layers. The hole transport layer composed of the upper hole transport layer and the porous structural layer has a high specific surface area that can effectively increase an interface contact area between the hole transport layer and the emissive layer. Therefore, an injection transport rate of holes is increased. This contributes to balance of electron and hole injection transport, thereby increasing external quantum conversion efficiency of the perovskite-type electroluminescent device.