Abstract: A display device, a method for producing a display device, and a gesture recognition method are disclosed. The display device includes a display module including a base and an array substrate, a resin layer, a first electrode layer, a pixel definition layer, a light-emitting unit layer, a second electrode layer disposed opposite to the first electrode layer, and an encapsulation layer. The light-emitting unit layer is between the first electrode layer and the second electrode layer and includes a plurality of light-emitting units respectively in a plurality of openings of the pixel definition layer, and an ultrasonic sensor including the second electrode layer, a piezoelectric material layer between the first electrode layer and the pixel definition layer, and a third electrode layer between the pixel definition layer and the resin layer. The piezoelectric material layer includes a plurality of piezoelectric material units separated by the plurality of light-emitting units.

Abstract: A computer-implemented method for supporting execution of batch production by a production system includes, over a sequence of steps: acquiring a system state defined by a shop floor status, inventory status and a demand of the product types, and processing the system state using a reinforcement learned policy including a deep learning model to output a control action defining an integer batch size of a selected product type. The control action is determined by using learned parameters of the deep learning model to compute logits for a categorical distribution of predicted product types and a categorical distribution of predicted batch sizes from the system state. The logits are processed to transform the categorical distribution of predicted product types into an encoding of the selected product type and reduce the categorical distribution of predicted batch sizes into an integer batch size, for producing a next batch on the shop floor.

Abstract: Provided herein are a method of preparing a Titanium:Sapphire (Ti:Sa) wafer and a photonic circuit integrated (PIC) Titanium:Sapphire (Ti:Sa) laser. The method includes depositing a titanium layer on a top surface of a first sapphire substrate; positioning a second sapphire substrate on the titanium layer, forming a face-to-face configuration with the titanium layer between the first and second sapphire substrates; annealing the first and second sapphire substrates in the face-to-face configuration, forming an annealed substrate; and polishing the annealed substrate, forming a polished substrate. The PIC-Ti:Sa laser includes a substrate; a waveguide formed on the substrate, the waveguide including a microring portion; a Ti:Sa layer formed over the microring portion of the waveguide, the Ti:Sa layer and the microring portion of the waveguide forming a microring cavity; and a laser source coupled to the waveguide. Also provided herein are methods of forming a photonic circuit integrated mode-locked Ti:Sa laser.

Abstract: The present disclosure provides an ultrasonic imaging method and apparatus. The apparatus includes an ultrasonic signal emission source and a receiving array including ultrasonic signal receiving circuits; the method includes: turning on the source to perform emission of ultrasonic waves toward an object to be detected and causing the ultrasonic waves to propagate through the object, a depth-wise direction of which is along a propagation direction of the ultrasonic waves; after a first predetermined time period having elapsed since the source was turned on, turning on the receiving array to receive reflected echoes returning from a first section plane of the object to be detected perpendicular to the depth-wise direction; thereafter, turning off the receiving array, storing the reflected echoes by the ultrasonic signal receiving circuits and acquiring reflected echo signals, and successively reading the reflected echo signals from the ultrasonic signal receiving circuits during a reading time period.

Abstract: A preparation method for transparent microcrystalline glass, and transparent microcrystalline glass and a use thereof are provided. The preparation method includes: nucleating a glass raw sheet, crystallizing the nucleated glass raw sheet, and performing heat treatment on the crystallized glass sheet to obtain microcrystalline glass having an XRD diffraction peak height H of ?870, wherein the content of lithium disilicate and petalite in the microcrystalline glass is 90-100%; the heat treatment is divided into a heating stage divided into n heating stages, a high-temperature stage divided into k high-temperature stages, and a cooling stage divided into m cooling stages; k is an integer obtained by rounding (n+k+m)/3, and 6?n+k+m?30; the maximum value of the constant temperature TKi of the high-temperature stages is TKmax, and TKmax=Tg+?T2; and in the k high-temperature stages, a temperature difference between any two adjacent heat treatment stages is within the range of 5-50° C.

Abstract: A method for adding assets to a distribution network includes using a placement generation engine to generate discrete placements of assets to be added to the distribution network subject to asset-installation constraint(s). Each placement is defined by a mapping of an asset, from multiple assets of different sizes, to a placement location defined by a node or branch of the distribution network. Each placement is used to update an operational circuit model of the distribution network for tuning control parameters of one or more controllers of the distribution network for robust operation over a range of load and/or generation scenarios. A cost function is evaluated for each placement based on a simulated operation. Parameters of the placement generation engine are iteratively adjusted based on the evaluated cost functions to arrive at an optimal placement and sizing of assets to be added to the distribution network.

Abstract: The present invention provides a UPS battery management system, including a micro control unit and a plurality of functional modules connected to the micro control unit. The plurality of functional modules include a first group of functional modules and a second group of functional modules. The first group of functional modules is used for battery checking, and the micro control unit is configured to control the states of the functional modules so that the UPS battery management system has the following working modes: a normal working mode, wherein the micro control unit is configured to turn on the plurality of functional modules; a sleep mode, wherein the micro control unit is configured to turn off the plurality of functional modules; and a timed check mode, wherein the micro control unit is configured to, when in the sleep mode, turn on only the first group of functional modules at regular intervals so as to check a battery.

Abstract: The present disclosure provides an ultrasonic imaging method and apparatus. The apparatus includes an ultrasonic signal emission source and a receiving array including ultrasonic signal receiving circuits; the method includes: turning on the source to perform emission of ultrasonic waves toward an object to be detected and causing the ultrasonic waves to propagate through the object, a depth-wise direction of which is along a propagation direction of the ultrasonic waves; after a first predetermined time period having elapsed since the source was turned on, turning on the receiving array to receive reflected echoes returning from a first section plane of the object to be detected perpendicular to the depth-wise direction; thereafter, turning off the receiving array, storing the reflected echoes by the ultrasonic signal receiving circuits and acquiring reflected echo signals, and successively reading the reflected echo signals from the ultrasonic signal receiving circuits during a reading time period.

Abstract: A method for manufacturing a microcrystalline glass, the microcrystalline glass manufactured according to the method, and a use thereof are provided. The method includes: (1) nucleation of a raw glass sheet, followed by primary crystallization, where: the primary crystallization temperature is x1, the primary crystallization time is t, and the primary crystallization temperature x1 and the primary crystallization time t satisfy the following conditions: first, ?a×t+652?x1??a×t+667, where a is a constant, 0.1?a?0.25, and tis 10 to 300 min; and second, y1=0.0029x1+b, where y1 is the glass density after primary crystallization, and 2.440 g/cm3?y1?2.490 g/cm3, b is a constant, and 0.55?b?0.60; and (2) secondary crystallization of the glass sheet which has been subject to primary crystallization.

Abstract: The present inventive concept provides a state of charge value estimation method for a lithium battery, including determining an estimated state of charge value by using an ampere-hour integral method; and when estimating that the lithium battery enters a low-current charging mode, determining a reference cell voltage value corresponding to the estimated state of charge value according to a look-up table, and comparing the reference cell voltage value and a measured real-time cell voltage value to determine a calibrated state of charge value. The state of charge value estimation method for a lithium battery of the present inventive concept is simple in operation and high in accuracy.

Abstract: A display panel includes a display layer, a photosensitive layer and an infrared mask. The display layer is configured to display an image, the display layer has light-transmitting portions, and the light-transmitting portions are configured to transmit infrared light. The photosensitive layer is disposed on a side of the display layer. The infrared mask is disposed on a side of the photosensitive layer proximate to the display layer, the infrared mask has hollowed-out regions, the hollowed-out regions are configured to make the infrared mask have a preset pattern, and a region in the infrared mask except the hollowed-out regions is configured to prevent transmission of the infrared light. The photosensitive layer is configured to receive infrared light passing though the hollowed-out regions and the light-transmitting portions, and convert the infrared light into an image signal.

Abstract: An exposure apparatus includes a droplet supplier to supply a target droplet inside a vacuum chamber, an irradiator irradiating a pulsed laser onto the target droplet, a condensing mirror installed inside the vacuum chamber and configured to condense a light emitted from the target droplet by irradiation of the pulsed laser onto the target droplet, a gas supplier to flow a hydrogen gas along a surface of the condensing mirror, a controller to change a supply condition of the target droplet and an irradiation condition of the pulsed laser to conditions different from conditions during an exposure operation to increase an amount of production of hydrogen radicals in the vacuum chamber, and an exhaust pump to exhaust a gas from an inside of the vacuum chamber.

Abstract: The disclosure provides an ultrasonic signal detection circuit including a sensing circuit, a unidirectional conduction circuit and a source follower circuit. The sensing circuit is connected to an input terminal of the source follower circuit through the unidirectional conduction circuit; the sensing circuit is configured to generate a piezoelectric signal according to a received ultrasonic echo signal and output the piezoelectric signal to the unidirectional conduction circuit. The piezoelectric signal is an alternating current signal; the unidirectional conduction circuit is configured to rectify the alternating current signal to only allow a forward or a reverse current portion thereof to pass through. The forward/reverse current portion charges/discharges the input terminal of the source follower circuit after passing through the unidirectional conduction circuit.

Abstract: Provided are a networking method, communication method, and communication system for a multi-mode communication device, a device, and a chip. The networking method includes: sending response information about available communication modes between a network access node and a to-be-connected node to the network access node, where the available communication modes are divided into a plurality of sets, and modes in each of the sets are incompatible with each other, and modes in different sets are compatible with each other; and locking an optimal mode, selected from each of the sets based on the response information, as handshake information between the two nodes when a preset negotiation result is met, such that the network access node reports corresponding routing information, and a root node updates networking routing information.

Abstract: System and method simulate power distribution system reconfigurations for multiple contingencies. Decision tree model is instantiated as a graph with nodes and edges corresponding to simulated outage states of one or more buses in the power distribution system and simulated states of reconfigurable switches in the power distribution system, Edges related to each outage are disconnected. A reconfiguration path is determined with a plurality of switches reconfigured to a closed state by an iteration of tree search algorithms. A simulation estimates feeder cable and transformer loading and bus voltages on the reconfigured path for comparing against constraints including system capacity ratings and minimum voltage.

Abstract: The present disclosure provides a backlight substrate, a manufacturing method thereof, and a display device. The backlight substrate includes: a base substrate; a plurality of first light emitting elements on the base substrate and configured to emit first light; a plurality of second light emitting elements on the base substrate and configured to emit second light having a different wavelength from the first light; a plurality of depth sensors on the base substrate and configured to receive the second light emitted from the plurality of second light emitting elements and reflected by an object and determine depth information of the object based on the received second light; and a diffusion layer in direct contact with light emitting surfaces of the plurality of first light emitting elements and configured to diffuse the first light emitted from the plurality of first light emitting elements.

Abstract: Methods for predictive maintenance with using machine learning in a building automation system and corresponding systems and computer-readable mediums. A method includes receiving device event data corresponding to a device and executing an inference engine to determine root cause fault data corresponding to the device event data. The method includes executing a predictive maintenance engine to produce a survival analysis for the physical device based on the root cause fault data. The method includes producing updated failure data by the predictive maintenance engine, based on the survival analysis, and providing the updated failure data to the inference engine. The inference engine thereafter uses the updated failure data in a subsequent root cause analysis. The method includes outputting the survival analysis.

Abstract: The present disclosure provides a backlight substrate, a manufacturing method thereof, and a display device. The backlight substrate includes: a base substrate; a plurality of first light emitting elements on the base substrate and configured to emit first light; a plurality of second light emitting elements on the base substrate and configured to emit second light having a different wavelength from the first light; a plurality of depth sensors on the base substrate and configured to receive the second light emitted from the plurality of second light emitting elements and reflected by an object and determine depth information of the object based on the received second light; and a diffusion layer in direct contact with light emitting surfaces of the plurality of first light emitting elements and configured to diffuse the first light emitted from the plurality of first light emitting elements.

Abstract: A method for controlling a power distribution system having a number of nodes and controllable grid assets associated with at least some of the node includes acquiring observations via measurement signals associated with respective nodes and generating a graph representation of a system state based on the observations and topological information of the power distribution system. The topological information is used to determine edges defining connections between nodes. The observations are used to determine nodal features of respective nodes, which are indicative of a measured electrical quantity and a status of controllable grid assets associated with the respective node. The graph representation is processed using a reinforcement learned control policy to output a control action for effecting a change of status of one or more of the controllable grid assets, to regulate voltage and reactive power flow in the power distribution system based on a volt-var optimization objective.

Abstract: A method for controlling a power distribution system having a number of discretely controllable devices includes processing a system state, defined by observations acquired via measurement signals from a number of meters, using a reinforcement learned control policy including a deep learning model, to output a control action including integer actions for the controllable devices. The integer actions are determined by using learned parameters of the deep learning model to compute logits for a categorical distribution of predicted actions from the system state, that define switchable states of the controllable devices. The logits are processed to reduce the categorical distribution of predicted actions for each controllable device to an integer action for that controllable device. The control action is communicated to the controllable devices for effecting a change of state of one or more of the controllable devices, to regulate voltage and reactive power flow in the power distribution system.