Abstract: The present application discloses a display panel and a display device. The display panel includes: a substrate; a pixel definition layer disposed on a side of the substrate, the pixel definition layer including first openings in the active area and second openings in the non-active area; and a support layer including first support parts and second support parts, the first support parts being disposed adjacent to the first openings, and the second support parts being disposed adjacent to the second openings. In a thickness direction of the display panel, a difference value between a distance from the top of a side of the first support part facing away from the substrate to the substrate and a distance from the top of a side of the second support part facing away from the substrate to the substrate is less than or equal to a preset difference value.

Abstract: An array substrate, a display panel, and a display device. The array substrate includes a binding region, and the binding region includes a driving chip binding region and a flexible printed circuit binding region. The driving chip binding region is centrally distributed in the binding region, and the flexible printed circuit binding region is distributed on two sides of the driving chip binding region in a second direction. The driving chip binding region includes a first pad, a wiring region and a second pad sequentially distributed in the first direction. The first pad is arranged close to the first region. The second pad includes a second solder joint group and an isolation region, and the second solder joint group is located on two sides of the isolation region in the second direction.

Abstract: An array substrate, a display panel and a display module. The array substrate includes a substrate including a non-display area. The non-display area includes a chip integration area. A first pad group is arranged in the chip integration area, the first pad group includes a plurality of first pads. A second pad group is arranged in the non-display area, each second pad group includes a plurality of second pads. A plurality of connecting lines are configured to electrically connect the second pads with the first pads. Lengths of the connecting lines are respectively electrically connected to the plurality of second pads in each second pad group arranged along a direction away from the first pad group increase.

Abstract: The present application relates to a light-emitting device and a fabrication method thereof, a display device or lighting device, the light-emitting device comprising: a substrate; a light-emitting structure layer disposed on one side of the substrate and comprising a light-emitting function layer; a first light extraction layer disposed on a light exit side of the light-emitting function layer, a light exit surface of the first light extraction layer having an irregular brush-like micro-nano structure.

Abstract: The present application discloses an evenly heating transducer and a preparation method therefor. The transducer includes a piezoelectric material layer, where the piezoelectric material layer is cylindrical and has a through hole in the middle, a support structure is disposed on an inner side of the through hole, and the piezoelectric material layer and an external device are connected via the support structure. A conductive layer is disposed on a surface of the piezoelectric material layer and an isolation strip is disposed on the conductive layer.

Abstract: The invention discloses a pet appliance which includes a container, an entrance and exit and a claw grinding member, the container includes a placement area, the entrance and exit is configured to enter and exit the placement area, the claw grinding member is detachably connected with the container, and at least part of a claw grinding portion of the claw grinding member is exposed from an outer wall of the container. The invention has a simple structure, and the whole container is egg-shaped and a surrounding structure, which can prevent odor from escaping. In combination with a cat scratch board, the pet appliance can realize multiple functions, and the claw grinding portion can smooth out tips of pet claws.

Abstract: The embodiments of the disclosure provide an organic electroluminescent device, including an anode, a cathode, an emitting layer arranged between the anode and the cathode, and an assistant luminescent layer located on one side, facing the anode, of the emitting layer. The assistant luminescent layer includes a first host material and a first fluorescent guest material. The emitting layer includes a second host material, a TADF material, and a second fluorescent guest material. The first host material and the first fluorescent guest material satisfy: S1(B)?T1(B)>0.2 eV; S1(B)>S1(C); T1(B)>T1(C); ?HOMO(B)?LUMO(C)|?S1(C)|?0.2 eV. The lowest singlet state energy of the first host material is S1(B), and the lowest triplet state energy is T1(B). The lowest singlet state energy of the first fluorescent guest material is S1(C), and the lowest triplet state energy is T1(C).

Abstract: Techniques for optimizing and deploying deep neural network (CNN) machine learning models for inference using static analysis are described. A method includes obtaining a deep neural network (DNN) machine learning (ML) model, generating an intermediate representation for the ML model, the intermediate representation including one or more nodes corresponding to one or more operators utilized by the ML model, identifying, for at least one node of the intermediate representation, an optimized schedule for at least one operator corresponding to the at least one node using a static analysis that is based on a hardware-specific cost model, generating an optimized intermediate representation using the optimized schedule that is optimized for execution on a hardware platform, and generating code corresponding to the ML model based at least in part on the optimized intermediate representation, wherein the code is specific to the hardware platform.

Abstract: The invention presents a method for estimating a direct current internal resistance of a battery, which defines a depth of discharge detection interval including a first threshold and a second threshold. When the battery is discharging, a currently battery voltage are periodically measured, a currently depth of discharge is calculated, and an open-circuit voltage is queried. The currently battery voltage is subtracted from the open-circuit voltage to obtain a voltage difference. The voltage difference is continuously accumulated to obtain a currently accumulated voltage difference. The currently depth of discharge reaches the first threshold or the second threshold, the currently accumulated voltage difference is a first accumulated voltage difference or a second accumulated voltage difference.

Abstract: A map update data processing apparatus and method are provided. The method includes: obtaining first information from at least one vehicle terminal in a time window; determining, based on the first information and second information in a map, first change information of the second information and precision information and/or confidence information of the first change information, wherein the first change information indicates a difference between the first information and the second information; and finally, sending the first change information of the second information and the precision information and/or the confidence information to a first vehicle terminal.

Abstract: Presented herein is a printed circuit board (PCB) assembly with an absorber having a perforated structure. The absorber is positioned between a trace of a PCB and a connector that couples the PCB to an enclosure. The absorber includes a perforated structure to maintain an integrity of a signal propagated along the trace, while improving electromagnetic interference and/or electromagnetic compatibility properties.

Abstract: The present application provides a synthesis method for 1-methyl-1H-indazole-6-carboxylic acid. The synthesis method comprises: using 2-fluoro-4-bromobenzaldehyde and methylhydrazine as raw materials to obtain 6-bromo-1-methylindazole by means of an annulation reaction, and then performing a methyl formate reaction and a hydrolysis reaction, so as to obtain the 1-methyl-1H-indazole-6-carboxylic acid. The synthesis method provided in the present application can directly synthesize a 1-position methyl substituted indazole without isomers, thereby avoiding the problem that impurities are difficult to be removed in subsequent separation, thus improving the purity of a product. The yield of the annulation reaction can reach 85%.

Abstract: Embodiments of this application disclose a video image processing method and apparatus. A specific solution is as follows: obtaining identity information and location information of each subject in an ith video image frame; determining M main subjects from the ith video image frame based on identity information of subjects in N video image frames before the ith video image frame, where the identity information of the subjects in the N video image frames includes identity information of the M main subjects; cropping the ith video image frame based on location information of the main subjects, where a cropped ith video image frame includes the M main subjects; and scaling down or scaling up the cropped ith video image frame, so that a display displays the cropped ith video image frame based on a preset display specification.

Abstract: The present application discloses an image processing method and image processing apparatus for recognizing a target object.

Abstract: Embodiments of the present disclosure provide a quantum dot pattern, a quantum dot light-emitting device, a display apparatus and a manufacturing method. The method includes: forming grooves in one side of an original substrate; forming an isolation layer on the side, with the grooves, of the original substrate; forming quantum dot pattern portions in pattern pits; forming a sacrificial layer on sides, facing away from the isolation layer, of the quantum dot pattern portions; attaching an adhesive layer to a side, facing away from the quantum dot pattern portions, of the sacrificial layer; peeling off the adhesive layer to separate the quantum dot pattern portions and the sacrificial layer from the isolation layer together with the adhesive layer; and enabling a surface, exposing the quantum dot pattern portions, of the laminated structure to be in contact with a target substrate, and removing the sacrificial layer and the adhesive layer.

Abstract: Provided are an array substrate, a display panel and a display assembly. The array substrate includes: a plurality of repeating units, where the plurality of repeating units are arranged in an array, each of the plurality of repeating units includes two pixel circuits disposed in two adjacent columns, and each of the two pixel circuits includes a plurality of function circuits; and a plurality of first signal lines extending in a column direction, where a plurality of function circuits in repeating units of each column are connected to a respective first signal line, and the plurality of function circuits in each of the plurality of repeating units are connected to the same first signal line.

Abstract: A display panel and a display apparatus, the display panel includes a first display area and a second display area, and a light transmittance of the first display area is greater than a light transmittance of the second display area. The display panel includes sub-pixel units located in the first display area and pixel driving units located in the second display area. Each of the sub-pixel units includes first sub-pixels, the pixel driving units are electrically connected with the first sub-pixels, and each of the pixel driving units includes a plurality of first pixel driving circuits connected in parallel.