Abstract: Provided is an organic electroluminescent device and an application thereof. The organic electroluminescent device includes a metal complex having a substituent A capable of reducing a maximum capacitance in the device, and the metal complex can be used as an emissive material in an emissive layer of the electroluminescent device. The device including a metal complex having the substituent A can obtain a decrease in the maximum capacitance of the device, thereby improving the response time and refresh frequency of an OLED display device at a low grayscale. In another aspect, the substituent A can cause a decrease in the maximum capacitance of the device, and the device prepared with the metal complex including the substituent A can still maintain excellent device performance compared with the devices prepared with the metal complexes that do not include the substituent A. Further provided is an electronic assembly including the organic electroluminescent device.

Abstract: Provided are a phosphorescent organometallic complex and a use thereof. The metal complex has a ligand with a structure represented by Formula 1 and may be used as a light-emitting material in an electroluminescent device. These novel metal complexes can not only maintain low voltage and improve device efficiency in electroluminescent devices but also greatly reduce the half-peak width of light emitted by these devices so as to greatly improve color saturation of the light emitted by these devices, thereby providing better device performance. Further provided are an electroluminescent device and a compound formulation.

Abstract: Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1, where the ligand La has a (6-5-6)-multi-membered fused cyclic structural unit and comprises particular substituents R1 and Rn. These new compounds are applied to electroluminescent devices so that very excellent device performance can be obtained, full widths at half maximum of emission spectra can be further reduced while high performance of the devices can be maintained, the luminescence saturation of the devices can be improved and the devices can have high efficiency under a condition of being closer to a BT.2020 commercial luminescence requirement. Further provided are an organic electroluminescent device comprising the metal complex and a composition comprising the metal complex.

Abstract: Provided are an organic electroluminescent device and a use thereof. The organic electroluminescent device comprises a metal complex having particular spectral characteristics (that is, satisfying requirements on D and AR), and the metal complex can better approach the commercially pursued BT.2020 luminescence. Compared with a metal complex that does not satisfy the requirements on D and AR, the metal complex is applied to the organic electroluminescent device to make the obtained organic electroluminescent device have higher device efficiency and more saturated green light emission, can better satisfy the BT.2020 luminescence requirement of the market, and can still maintain high device performance, especially device efficiency, when approaching the BT.2020 luminescence, and the metal complex basically reaches maximum efficiency of the device. The organic electroluminescent device comprising the preceding metal complex has a broad commercial application prospect and can achieve more saturated luminescence.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for blockchain-based storage of patrol inspection proof are provided. One of the methods includes: receiving proof information of patrol inspection at a patrol inspection site; obtaining one or more operating environment parameters of the mobile terminal at a time of the patrol inspection, wherein the one or more operating environment parameters comprise at least location information and sensor data of the mobile terminal; performing credibility verification on the patrol inspection site based on the proof information, the location information, and the sensor data using an algorithm model based on labeled identification information, labeled operating environment parameters, and historical attendance information; and in response to the credibility verification being successful, uploading verification information associated with the proof information for storing in a blockchain.

Abstract: A communication method in an Internet of Things environment is for transmitting an outgoing message to the Internet. The communication method includes a device status acquiring step, a switch process determining step and a message transmitting step. The device status acquiring step is performed to obtain a signal connecting status between a demand device and a first base station. The switch process determining step is performed to determine whether a switch process of the demand device is activated according to the signal connecting status. In response to determining that the switch process of the demand device is activated, establishing a first communication path to connect the demand device, a target device, a second base station, and the Internet. The message transmitting step is performed to transmit the outgoing message from the demand device to the Internet via one of the first communication path and the second communication path.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for blockchain-based storage of patrol inspection proof are provided. One of the methods includes: receiving proof information of patrol inspection at a patrol inspection site; obtaining one or more operating environment parameters of the mobile terminal at a time of the patrol inspection, wherein the one or more operating environment parameters comprise at least location information and sensor data of the mobile terminal; performing credibility verification on the patrol inspection site based on the proof information, the location information, and the sensor data using an algorithm model based on labeled identification information, labeled operating environment parameters, and historical attendance information; and in response to the credibility verification being successful, uploading verification information associated with the proof information for storing in a blockchain.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for blockchain-based storage of patrol inspection proof are provided. One of the methods includes: receiving proof information of patrol inspection at a patrol inspection site; obtaining one or more operating environment parameters of the mobile terminal at a time of the patrol inspection, wherein the one or more operating environment parameters comprise at least location information and sensor data of the mobile terminal; performing credibility verification on the patrol inspection site based on the proof information, the location information, and the sensor data using an algorithm model based on labeled identification information, labeled operating environment parameters, and historical attendance information; and in response to the credibility verification being successful, uploading verification information associated with the proof information for storing in a blockchain.

Abstract: Implementations of the present specification provide an interaction behavior detection method, apparatus, system, and device. The method includes the following: obtaining a to-be-detected depth image photographed by a depth photographing device, extracting a foreground image used to represent a moving object from the to-be-detected depth image, obtaining spatial coordinate information of the moving object based on the foreground image, comparing the spatial coordinate information of the moving object with spatial coordinate information of a shelf in a rack, and determining an article touched by the moving object based on a comparison result and one or more articles on the shelf.

Abstract: A computer-implemented method includes: obtaining, by a detection device, first device information of a first set of devices detected in a target area using a first communication mode; determining, based on the first device information, a first quantity of devices in the target area; determining, based on second device information of a second set of devices, a verification coefficient, the second set of devices being detected in the target area using a second communication mode; and calculating, based on the first quantity of devices and a verification coefficient, a measure of real-time human traffic in the target area.

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for blockchain-based storage of patrol inspection proof are provided. One of the methods includes: receiving proof information of patrol inspection at a patrol inspection site; obtaining one or more operating environment parameters of the mobile terminal at a time of the patrol inspection, wherein the one or more operating environment parameters comprise at least location information and sensor data of the mobile terminal; performing credibility verification on the patrol inspection site based on the proof information, the location information, and the sensor data using an algorithm model based on labeled identification information, labeled operating environment parameters, and historical attendance information; and in response to the credibility verification being successful, uploading verification information associated with the proof information for storing in a blockchain.

Abstract: A communication method in an Internet of Things environment is for transmitting an outgoing message to the Internet. The communication method includes a device status acquiring step, a switch process determining step and a message transmitting step. The device status acquiring step is performed to obtain a signal connecting status between a demand device and a first base station. The switch process determining step is performed to determine whether a switch process of the demand device is activated according to the signal connecting status. In response to determining that the switch process of the demand device is activated, establishing a first communication path to connect the demand device, a target device, a second base station, and the Internet. The message transmitting step is performed to transmit the outgoing message from the demand device to the Internet via one of the first communication path and the second communication path.

Abstract: Disclosed are methods, systems, and apparatus, including computer programs encoded on computer storage media, for performing interaction behavior detection. One method includes obtaining a depth image from a depth camera disposed above a rack, and a filming range of the depth camera covers an outer edge of each shelf in the rack and an aisle. A foreground images associated with a moving object from the depth image is extracted. Spatial coordinates of the moving object are obtained based on the foreground image. An object on a shelf in the rack that is physically contacted by the moving object is determined based on comparing the spatial coordinates of the moving object with spatial coordinates of the shelf, where the spatial coordinates of the shelf is determined based on a background depth image captured by the depth camera at a predetermined angle unobstructed by the moving object.

Abstract: A control method for application feature rules is provided. In the method, an application feature server preprocesses one or more application feature fields of a third-party application; and the application feature server provides the one or more preprocessed application feature fields and a corresponding application Identifier (ID) for an Application Detection Control (ADC) as an application feature rule.

Abstract: A control method for application feature rules is provided. In the method, an application feature server preprocesses one or more application feature fields of a third-party application; and the application feature server provides the one or more preprocessed application feature fields and a corresponding application Identifier (ID) for an Application Detection Control (ADC) as an application feature rule.