Abstract: The present disclosure provides a display panel and a display device. The display panel includes: a base substrate including a display unit and a bendable unit, the bendable unit being connected to the display unit and bendable to a back of the display unit; a multiplexer on the bendable unit; and a metal shielding portion on a side of the multiplexer away from the base substrate, wherein an orthographic projection of the metal shielding portion on the base substrate covers an orthographic projection of the multiplexer on the base substrate, and the metal shielding portion is connected to a fixed voltage signal to shield signal interference caused by the multiplexer.

Abstract: A preparation apparatus for uniform silicon carbide crystals comprises a circular cylinder, a doping tablet, and a plate to stabilize and control the supply of dopants. The accessory does not participate in the reaction in the growth chamber but maintains its efficacy during growth. Finally, a single semi-insulating silicon carbide crystal with uniform electrical characteristics can be obtained.

Abstract: A display substrate and a display device are provided. The display substrate includes a base substrate and a plurality of sub-pixels on the base substrate. Each sub-pixel includes a pixel circuit and pixel circuits are in columns in a first direction and rows in a second direction. The sub-pixels includes a first sub-pixel and a second sub-pixel which are directly adjacent in the second direction. A first capacitor electrode in the first sub-pixel and a first capacitor electrode in the second sub-pixel are in a same layer and are spaced apart from each other.

Abstract: A computational method for controlling a powder particle uptake by a shielding gas in a laser additive manufacturing system. The computational method includes receiving a gas fluid domain, a powder bed domain, and an inlet shielding gas flow velocity of the laser additive manufacturing system. The method further includes determining a maximum gas flow velocity within the gas fluid domain based on the inlet shielding gas flow velocity and the gas fluid domain. The method also includes determining a threshold uptake flow velocity within the gas fluid domain based on the inlet shielding gas flow velocity and the powder bed domain. The method also includes controlling the powder particle uptake of the shielding gas in the laser additive manufacturing system in response to the maximum gas flow velocity and the threshold uptake flow velocity.

Abstract: Improved gas flow systems and methods for use with powder bed-based laser additive manufacturing chambers are described. The disclosed gas flow configurations and associated build chamber designs enhance the removability of laser melting emissions. In accordance with various configurations, the clear rate of generated-spatter contamination is improved by employing system designs in which the gas flow outlet is lowered toward the substrate, the gas flow inlet channel length is increased, uniform gas flow is enabled using multi-channeled pumps, and/or one or more supplementary gas inlet flows are introduced to the chamber design.

Abstract: A display substrate, a method of forming the same and a display device are provided. The display substrate includes: a base substrate, and a light shielding layer, a first insulating layer, a first metal layer, a second insulating layer and a light emitting device stacked in sequence on the base substrate; where the second insulating layer has a first groove and a second groove, and a portion of the second insulating layer between the first groove and the second groove forms a barrier structure; the first groove is at a side of the barrier structure adjacent to the light emitting device with respect to the second groove; the first metal layer includes a signal line at a side of the first groove away from the barrier structure and a connection terminal at a side of the second groove away from the barrier structure; the light shielding layer includes a connection lead through which the signal line and the connection terminal are electrically connected.

Abstract: A powder bed fusion additive manufacturing system includes a build platform on which a substrate is supported, an energy generator configured to generate an energy beam directed at the substrate, a roller having an actuator system configured to rotate the roller, and a controller operably connected to the roller and to the energy generator. The controller is configured to produce a build object by rotating the roller at a first rotational speed to spread powder particles at a first porosity, operating the energy generator to selectively melt the powder particles to form a first layer of the build object, rotating the roller at a second rotational speed to spread powder particles at a second porosity, and operating the energy generator to selectively melt the powder particles spread at the second porosity to form a second layer. The first and second rotational speeds are different from one another.

Abstract: A composite substrate structure includes a circuit substrate, a first anisotropic conductive film, a first glass substrate, a dielectric layer, a patterned circuit layer and a conductive via. The first anisotropic conductive film is disposed on the circuit substrate. The first glass substrate is disposed on the first anisotropic conductive film and has a first surface and a second surface opposite to the first surface. The first glass substrate includes a first circuit layer, a second circuit layer and at least one first conductive via. The first circuit layer is disposed on the first surface. The second circuit layer is disposed on the second surface. The first conductive via penetrates the first glass substrate and is electrically connected to the first circuit layer and the second circuit layer. The first glass substrate and the circuit substrate are respectively located on two opposite sides of the first anisotropic conductive film.

Abstract: An intelligent positioning system includes at least one lamp apparatus and a handheld electronic apparatus. The handheld electronic apparatus includes an optical code receiving unit and an artificial intelligence positioning algorithm unit. The at least one lamp apparatus wirelessly transmits an optical code signal to the optical code receiving unit. The optical code receiving unit analyzes the optical code signal to obtain an optical identification code of the optical code signal and a light intensity value of the optical code signal. The optical code receiving unit transmits the optical identification code of the optical code signal and the light intensity value of the optical code signal to the artificial intelligence positioning algorithm unit. The artificial intelligence positioning algorithm unit converts the optical identification code of the optical code signal and the light intensity value of the optical code signal into a positioning information.

Abstract: A display substrate, a manufacturing method and a display device are provided. The display substrate includes a functional region and a peripheral region surrounding the functional region. A barrier structure is arranged at the peripheral region of the display substrate, and includes a plurality of barrier members spaced from each other in a direction away from the functional region. At least a part of the barrier member are made of metal.

Abstract: An automatic driving track obtaining method and apparatus are provided. The method includes: obtaining a driving style coefficient of a driver of a vehicle A (S101); calculating a cost function of the driver of the vehicle A based on the driving style coefficient of the driver of the vehicle A (S102), where the cost function is used to represent costs paid when the vehicle A travels from an initial node to a current node in a driving track of the vehicle A; and obtaining the driving track of the vehicle A on a first three-dimensional spatial-temporal map through calculation according to the cost function (S103). The driving track obtained by using the method and the apparatus can match driving styles of all drivers. This improves driver satisfaction on the driving track, and lessens a running-in period in which the driver performs automatic driving.

Abstract: An uplink control method, includes: determining a downlink path loss based on a first reference signal receive power that is of a serving cell in which the terminal device is located and that is obtained through measurement; receiving a first transmit power and a second transmit power that are sent by the base station; and if the first reference signal receive power is greater than or equal to a preset threshold, obtaining, by the terminal, an uplink transmit power of the terminal in a first network; or if the first reference signal receive power is less than a preset threshold, obtaining, by the terminal, an uplink transmit power of the terminal in the first network.

Abstract: A memory management method for a rewritable non-volatile memory module is provided according to an exemplary embodiment of the disclosure. The memory management method includes: recording sorting information corresponding to a plurality of first physical units of the rewritable non-volatile memory module according to a data storage status of the first physical units; receiving at least one command, and the command is configured to change the data storage status of the first physical units; updating the sorting information according to the command; and copying data stored in at least one physical unit among the first physical units to at least one second physical unit of the rewritable non-volatile memory module according to the updated sorting information.

Abstract: Systems and methods for simulating a melt pool characteristic for selective laser melting additive manufacturing. The system includes a selective laser melting apparatus and an electronic controller configured to obtain a surface geometry of a previous layer of a component being manufactured using the selective laser melting apparatus, simulate an addition of a powder layer having a desired powder layer thickness to the component based upon the surface geometry of the previous layer, determine a melt pool characteristic based upon geometric information of the simulated powder layer and the desired powder layer thickness, determine an adjustment to the simulated powder layer based upon the melt pool characteristic, and actuate the selective laser melting apparatus based upon the simulated powder layer and the determined adjustment.

Abstract: A composite substrate structure includes a circuit substrate, a first anisotropic conductive film, a first glass substrate, a dielectric layer, a patterned circuit layer and a conductive via. The first anisotropic conductive film is disposed on the circuit substrate. The first glass substrate is disposed on the first anisotropic conductive film and has a first surface and a second surface opposite to the first surface. The first glass substrate includes a first circuit layer, a second circuit layer and at least one first conductive via. The first circuit layer is disposed on the first surface. The second circuit layer is disposed on the second surface. The first conductive via penetrates the first glass substrate and is electrically connected to the first circuit layer and the second circuit layer. The first glass substrate and the circuit substrate are respectively located on two opposite sides of the first anisotropic conductive film.

Abstract: The present disclosure provides a method and a device for controlling a vehicle. The vehicle is in a vehicle queue, the vehicle queue includes n vehicles {vehicle 0, vehicle 1, . . . , vehicle n?1} arranged in order along a traveling direction, the method is performed by a computing device of the vehicle i, i is from 1 to n?1. A vehicle-following subsystem model is established based on the relative speed and the relative vehicle distance error between the vehicle i and a vehicle i?1, and the acceleration of the vehicle i, a state trajectory of the vehicle-following subsystem model on a ?v-?R plane is determined, a plurality of division graphs of the vehicle i?1 in a plurality of travelling phases are combined to obtain a switching control graph for the vehicle i, and the travelling phase of the vehicle i is adjusted.

Abstract: A memory management method for a rewritable non-volatile memory module, a memory control circuit unit and a memory storage apparatus are provided. The rewritable non-volatile memory module includes a plurality of super physical units, and the super physical units at least include a plurality of good super physical units and a plurality of partial good super physical units. The method includes: receiving a host write command; selecting a first super physical unit set according a number rate of the good super physical units and the partial good super physical units, and the first super physical unit set includes a plurality of first good super physical units and at least one first partial good super physical unit selected from the super physical units according to the number rate; and writing data into the good physical erasing units of the first super physical unit set, in response to the host write command.

Abstract: A lighting device is disclosed, including an LED die, a light-transmissive encapsulant and a light-transmissive wall. The light-transmissive encapsulant covers the light-emitting side surfaces and the top surface, and the light-transmissive wall surrounds the light-transmissive encapsulant and covers the side surfaces of the light-transmissive encapsulant. Furthermore, the refractive index of the light-transmissive encapsulant is not greater than the refractive index of the light-transmissive wall. A lighting module is further disclosed, including a circuit substrate and the lighting devices, as described above, which are disposed on the circuit substrate. Therefore, when lights generated from the LED die are transmitted into the light-transmissive wall from the light-transmissive encapsulant, the lights will be deflected towards the lateral direction, thereby increasing the viewing angle of the lighting device.

Abstract: The present invention provides a flash memory controller including an artificial intelligence (AI) module and a microprocessor. In the operations of the flash memory controller, the AI module receives data from a host device, and determines if the data is hot data or cold data to generate a determination result. The microprocessor is configured to selectively write the data into a first block or a second block within a flash memory module according to the determination result, wherein quantity of bits stored in each memory cell within the first block is different from quantity of bits stored in each memory cell within the second block.