Abstract: The present disclosure relates to a ligand for a quantum dot, a ligand quantum dot, a quantum dot layer and a method for patterning the same. The surface of the ligand quantum dot of the present disclosure is connected with the cleavage-type ligand including a first ligand unit A, a cleavage unit B, and an adhesion adjusting unit C. The method includes: providing a substrate; coating a mixture containing the ligand quantum dot on the substrate to form a quantum dot film; exposing a preset region of the quantum dot film to ultraviolet light, so that the cleavage unit B in the cleavage-type ligand undergoes a photolysis reaction, and a molecular segment containing the adhesion adjusting unit C and obtained after decomposition is detached from a surface of the quantum dot; and washing off an unexposed region of the quantum dot film with an organic solvent, followed by drying.

Abstract: A method includes a device in an area 1 that requests a ultra-wideband (UWB) base station in the area 1 to measure an initial position, and starts inertial measurement unit (IMU) measurement. The device moves to an area 2, and the device requests to measure distances between each UWB base station in the area 2 and at least three locations. The device returns to the area 1, and requests the UWB base station in the area 1 to measure an end point position. The device corrects coordinates of the device in the area 2 calculated using data obtained through the IMU measurement based on the measured end point position. Calculate the coordinates of each UWB base station in the area 2 based on the corrected coordinates in the area 2 and the measured distances between each UWB base station and the device in the area 2.

Abstract: This application relates to a UWB base station anomaly detection method. The method includes: obtaining a first distance that is between each of the N UWB base stations and the UWB tag and that is obtained through measurement; obtaining an estimated value of spatial coordinates of the UWB tag in the first coordinate system based on the first distance and spatial coordinates of each UWB base station in the first coordinate system; obtaining a second distance between each UWB base station and the UWB tag based on the estimated value and the spatial coordinates of each UWB base station in the first coordinate system; and determining, based on the first distance and the second distance that correspond to each UWB base station, whether a UWB base station in the N UWB base stations is abnormal.

Abstract: An electron transport material, an electroluminescent device and a preparation method therefor, and a display apparatus. The electron transport material includes: inorganic metal oxide nanoparticles, and a ligand for modifying the inorganic metal oxide nanoparticles, wherein the ligand includes a coordination group, and the coordination group is coordinated with and bound to at least one of a hydroxyl group and a metal cation on the surface of the inorganic metal oxide nanoparticles.

Abstract: A quantum dot film and a preparation method therefor, a photoelectric device, a display apparatus, and a preparation method for a quantum dot light-emitting device. The quantum dot film is formed by quantum dots containing a ligand, and the ligand is a halogen ion. The preparation method for the quantum dot film includes: S100: preparing an initial quantum dot film by using quantum dots containing an oil-soluble ligand; and S200: using a solid-state ligand exchange method to perform ligand exchange on the oil-soluble ligand on the surface of the initial quantum dot film by using an organic salt of a halogen, such that the oil-soluble ligand on the surface of the quantum dot film is exchanged into the halogen ion.

Abstract: Disclosed are a quantum dot device, a display apparatus, and a manufacturing method for a quantum dot device. The quantum dot device includes: a substrate assembly; a first fixing layer, the first fixing layer being located on one side of the substrate assembly and having silane coupling agents with multi coordinate bonds, and first connection structures being provided between the first fixing layer and the substrate assembly; a quantum dot film layer, the quantum dot film layer being located on the side of the first fixing layer away from the substrate assembly and having a plurality of pattern portions, the pattern portions having quantum dots, and second connection structures being provided between the pattern portion and the first fixing layer.

Abstract: Disclosed are a quantum dot material, a method for patterning a quantum dot film and a quantum dot light emitting device. when preparing a patterned quantum dot film, firstly, a quantum dot film is made by using the quantum dot material with the photolysis group, and a corresponding region of the quantum dot film is irradiated with ultraviolet light under the shielding of a mask template, so that the photolysis group in the corresponding region is photolyzed into the polarity change group, thereby changing the solubility of the quantum dot material in the corresponding region; and subsequently, the quantum dot film is cleaned by using a solvent which can dissolve the quantum dot material with the photolysis group, the quantum dot material in non-irradiated regions is dissolved and removed, and the quantum dot material in the corresponding region is retained to form a pattern of the quantum dot film.

Abstract: A patterned quantum dot film layer, a quantum dot light-emitting device and a manufacturing method. The manufacturing method includes: forming a patterned mask layer on one side of a base substrate; forming a quantum dot thin film on the side of the mask layer that faces away from the base substrate, the quantum dot thin film includes quantum dot bodies and native ligands connected to the quantum dot bodies; forming, on the side of the quantum dot thin film that faces away from the mask layer, a ligand thin film that includes replacement ligands, and leaving same to stand for a first duration, such that the native ligands are replaced by the replacement ligands; performing cleaning by means of a cleaning solvent, removing unreacted replacement ligands and replaced native ligands; peeling off the mask layer, and removing together the quantum dot thin film attached to the mask layer.

Abstract: A light-emitting device and a manufacturing method therefor, and a display device are disclosed. The light-emitting device includes a plurality of pixel units. Each pixel unit includes at least n sub-pixels capable of emitting light of n different colors. Each sub-pixel includes: a first electrode and a second electrode arranged oppositely; a light-emitting layer located between the first electrode and the second electrode, in at least one pixel unit, the light-emitting layer of the at least one sub-pixel includes a host quantum dot and at least one residual quantum dot emitting light of color different from the host quantum dot; and a color filter layer located on the side of the first electrode or the second electrode away from the light-emitting layer. The color filter layer is configured to pass through light emitted by the host quantum dot, and prevent light emitted by the residual quantum dot from passing through.

Abstract: Disclosed are a mine dust real-time detection system based on double-photoacoustic spectrometry and a detection method. The mine dust real-time detection system based on double-photoacoustic spectrometry includes a first sampling unit, a first photoacoustic detection cavity, a second sampling unit, a second photoacoustic detection cavity, a signal unit and a processing unit; the first sampling unit is used for sampling in respective, the first photoacoustic detection cavity provides a photoacoustic effect field to substances sampled by the first sampling unit, the second sampling unit is used for sampling in respective, the second photoacoustic detection cavity provides the photoacoustic effect field to substances sampled by the second sampling unit, the signal unit is used for providing a laser signal, and the processing unit is used for collecting and processing a photoacoustic signal.

Abstract: The present disclosure provides a hole transport material, a quantum dot light-emitting device and a manufacturing method thereof and a display apparatus. A surface of a quantum dot is modified with a ligand capable of being cross-linked with a modifying group of the hole transport material, that is, a cross-linking group in the ligand, so that when the quantum dot light-emitting device is manufactured, the cross-linking group of the quantum dot material is cross-linked with the modifying group of the hole transport material under a set external stimulus, so that the coupling degree between a light-emitting layer and a hole transport layer is increased and an interface structure between the light-emitting layer and the hole transport layer is weakened, thus facilitating carrier transmission.

Abstract: Embodiments of the present disclosure provide a quantum dot light emitting device, a preparation method thereof and a quantum dot display panel, the method includes: forming a first function layer; forming a first sacrificial layer and a first photoresist layer; patterning the first photoresist; patterning the first sacrificial layer, the first function layer includes a first part and a second part, and the first sacrificial layer pattern and the first photoresist pattern are stacked on the first part, the second part is exposed by the first sacrificial layer pattern and the first photoresist pattern; forming a first quantum dot material layer; stripping the first sacrificial layer pattern to remove the first sacrificial layer pattern, the first photoresist pattern and the first quantum dot material layer on the first sacrificial layer pattern, retaining the first quantum dot material layer on the second part of the first function layer.

Abstract: Disclosed are an electronic apparatus, an information processing device, and an information processing method. According to one embodiment, an electronic device used for a base station side comprises a processing circuit. The processing circuit is configured to: perform channel detection for a target channel; broadcast, to a user equipment, a resource indication used for uplink transmission based on a result of the channel detection; and receive uplink transmission performed by the user equipment based on the resource indication.

Abstract: The present disclosure relates to an electronic apparatus, a wireless communication method and a computer-readable medium. According to one embodiment, an electronic apparatus for a user equipment side comprises a processing circuit. The processing circuit is configured to carry out control so that a current user equipment receives transmission information sent by another user equipment via an unlicensed frequency band, wherein the destination of the transmission information is a service base station of the current user equipment. The processing circuit is also configured to carry out control so that indication information is sent to the other user equipment, wherein the indication information indicates whether the current user equipment needs to relay the transmission information.

Abstract: Disclosed are an electronic device in a wireless communication system, and a wireless communication method. The wireless communication system comprises multiple unlicensed carriers. The electronic device comprises: one or more processing circuits configured to: configure each of a plurality of unlicensed carriers to be a primary channel or a secondary channel, so as to obtain at least two primary channels and at least one secondary channel; perform a first channel detection process over each of the primary channels to detect whether each of the primary channels is idle, and perform a second channel detection process over each of the secondary channels to detect whether each of the secondary channels is idle; and perform downlink data transmission over the primary channel determined to be idle by means of the channel detection or over the primary and secondary channels determined to be idle by means of the channel detection.

Abstract: Disclosed are a quantum dot material, a method for patterning a quantum dot film and a quantum dot light emitting device. when preparing a patterned quantum dot film, firstly, a quantum dot film is made by using the quantum dot material with the photolysis group, and a corresponding region of the quantum dot film is irradiated with ultraviolet light under the shielding of a mask template, so that the photolysis group in the corresponding region is photolyzed into the polarity change group, thereby changing the solubility of the quantum dot material in the corresponding region; and subsequently, the quantum dot film is cleaned by using a solvent which can dissolve the quantum dot material with the photolysis group, the quantum dot material in non-irradiated regions is dissolved and removed, and the quantum dot material in the corresponding region is retained to form a pattern of the quantum dot film.

Abstract: Disclosed are a wireless communication method and a wireless communication device. The wireless communication device comprises a processing circuit, wherein the processing circuit is configured to: detect broadcast information on a specific subchannel in an unlicensed frequency band; and broadcast time information on the specific subchannel when the broadcast information cannot be successfully detected, wherein the time the occupation of the specific subchannel by the wireless communication device ends can be determined according to the time information.

Abstract: The present disclosure relates to a ligand for a quantum dot, a ligand quantum dot, a quantum dot layer and a method for patterning the same. The surface of the ligand quantum dot of the present disclosure is connected with the cleavage-type ligand including a first ligand unit A, a cleavage unit B, and an adhesion adjusting unit C. The method includes: providing a substrate; coating a mixture containing the ligand quantum dot on the substrate to form a quantum dot film; exposing a preset region of the quantum dot film to ultraviolet light, so that the cleavage unit B in the cleavage-type ligand undergoes a photolysis reaction, and a molecular segment containing the adhesion adjusting unit C and obtained after decomposition is detached from a surface of the quantum dot; and washing off an unexposed region of the quantum dot film with an organic solvent, followed by drying.

Abstract: The present disclosure relates to an electronic apparatus, a wireless communication device, and a wireless communication method. According to an embodiment, the electronic device for a base station side comprises a processing circuit. The processing circuit is configured to: perform control to perform, on a beam corresponding to a user equipment, channel detection on a target channel, the channel detection being based on a specific beam direction; and determine the access to the target channel according the channel detection result.

Abstract: Disclosed are a radio communication method and a radio communication device. The radio communication device comprises a processing circuit. The processing circuit is configured to: configure different resources respectively for the initial transmission and a retransmission of an uplink transmission; and to generate resource indication information, the resource indication information indicating correlations between different resources and the initial transmission and the retransmission of the uplink transmission. In addition, the processing circuit is configured to identify the resource used by the uplink transmission to determine the number of transmissions of the uplink transmission.