Abstract: Disclosed are a product surface inspecting apparatus and method which detect a defect on products having different feature using a previously trained artificial neural network. A product surface inspecting apparatus according to an exemplary embodiment includes a sensor unit which photographs a product to generate image data and measures at least one of a color, a saturation, a brightness, a transparency, and a reflectance of the product; and a detection unit which detects a defect on a product by inputting the image data to a convolutional neural network trained to detect a defect on a product surface, the number of convolution layers of the convolutional neural network may be determined based on at least one of the color, the saturation, the brightness, the transparency, and the reflectance of the product.

Abstract: A display device includes a first substrate including a display area comprising pixels, and a non-display area surrounding the display area, a thin film transistor layer disposed on the first substrate and comprising a thin film transistor, a second substrate disposed on the thin film transistor layer and facing the first substrate, a sealing part disposed between the first substrate and the second substrate in the non-display area, and bonding the first and second substrates, a metal line disposed in the non-display area on the thin film transistor layer and overlapping the sealing part, and an antistatic member comprising a support supported by the metal line, a first receiver protruding from a top portion of the support to an exterior of the sealing part, and a second receiver protruding from a bottom portion of the support toward the exterior of the sealing part and facing the first receiver.

Abstract: A thin film transistor according to an exemplary embodiment of the present invention includes an oxide semiconductor. A source electrode and a drain electrode face each other. The source electrode and the drain electrode are positioned at two opposite sides, respectively, of the oxide semiconductor. A low conductive region is positioned between the source electrode or the drain electrode and the oxide semiconductor. An insulating layer is positioned on the oxide semiconductor and the low conductive region. A gate electrode is positioned on the insulating layer. The insulating layer covers the oxide semiconductor and the low conductive region. A carrier concentration of the low conductive region is lower than a carrier concentration of the source electrode or the drain electrode.

Abstract: A non-volatile memory device including a memory cell region over a peripheral circuit region. The memory cell region includes an upper substrate, channel structures extending in a vertical direction, and a first upper metal line extending in a first direction. The peripheral circuit region includes a first lower metal line extending in a second direction, and first and second via structures on the first lower metal line, a top surface of the second via structure in contact with the upper substrate. The memory cell region includes a first through-hole via structure passing through the upper substrate and the first via structure, and electrically connecting the first upper metal line to the first lower metal line; and the first upper metal line is electrically connected to the upper substrate through the first through-hole via structure, the first lower metal line, and the second via structure.

Abstract: Provided are plated steel sheets for hot press forming, hot press formed parts, and manufacturing methods thereof, the plated steel sheets comprising: a base steel sheet comprising, in weight %, C: 0.07 to 0.5%, Si: 0.05 to 1%, Mn: 0.5 to 5%, P: 0.001 to 0.015%, S: 0.0001 to 0.02%, Al: 0.01 to 0.1%, Cr: 0.01 to 1%, N: 0.001 to 0.02%, Ti: 0.1% or less, B: 0.01% or less, Sn: 0.01 to 0.1%, and a balance of Fe and inevitable impurities; an aluminum or aluminum alloy plating layer disposed on at least one surface of the base steel sheet; and an Sn-enriched layer provided between the base steel sheet and the plating layer, wherein the Sn-enriched layer satisfies a specific relationship.

Abstract: An electric curtain includes an upper beam, two curtain ropes, a curtain body and a lower beam. The upper beam includes a rotating shaft, a pivotal member, two rope winders, a controller and a wireless control unit installed inside the controller. The wireless control unit has the technical feature of receiving and matching with a wireless transmission communication protocol originated from the external, thereby allowing the electric curtain to achieve the effect of establishing the most optimal electrical conduction and wireless communication transmission between the two based on the external wireless transmission communication protocol selected and matched.

Abstract: A heavy oil lifting device and a heavy oil lifting method are disclosed. The device includes: a plurality of liquid injection pumps each including a liquid inlet and a liquid outlet and configured to intake in liquid and discharge the liquid after pressurization; a control valve including a first end and a second end, the liquid outlets of the plurality of liquid injection pumps are connected with the first end; a power liquid transmission pipe connected with the second end and configured to transmit the liquid after pressurization; an operation pump connected with the power liquid transmission pipe, and the liquid after pressurization is used as power liquid to drive the operation pump to reciprocate; the control valve is in switchable communication with the liquid injection pump so that the power liquid transmission pipe is in switchable communication with the liquid injection pump.

Abstract: This application relates to a separator for a rechargeable battery. The separator includes a porous substrate and a coating layer on at least one surface of the porous substrate. The coating layer includes a binder including a fluorine-based binder and a (meth)acryl-based binder, and a filler. The fluorine-based binder includes a first structural unit derived from vinylidene fluoride and a second structural unit derived from at least one monomer of hexafluoropropylene, chlorotrifluoroethylene, trifluoroethylene, ethylene tetrafluoride, and ethylene monomers, and the second structural unit is included in an amount of 10 wt % or less with respect to the fluorine-based binder. The fluorine-based binder includes a first fluorine-based binder having a weight average molecular weight of 800,000 to 1,500,000 and a second fluorine-based binder having a weight average molecular weight of less than or equal to 600,000. The (meth)acryl-based binder has pencil hardness of 5H or higher.

Abstract: An antireflection film includes a plurality of convex structures formed on a light transmission surface included in an optical waveguide. A maximum radial length of a surface that is of each convex structure and that is close to the light transmission surface is less than a minimum value of a visible light wavelength. The maximum radial length of each convex structure gradually decreases in a direction away from the light transmission surface. A height of each convex structure is greater than or equal to 310 nm. A distance between geometric centers of surfaces that are of two adjacent convex structures and that are close to the light transmission surface is less than or equal to 220 nm.

Abstract: This application provides a data encryption method, a data decryption method, a secure data backup method, a secure data restoration method, and an electronic device. Different types of data packets in the card data are separately encrypted by using a secure element SE and a trusted execution environment TEE. In the encryption process, a user and a third-party card data provider are introduced, and are separately responsible for generation, storage, and delivery of one of key factors. Then, a real backup key is generated with reference to a key factor provided by a mobile phone party. After being encrypted in the SE and the TEE by using the backup key, the card data is uploaded to a cloud server for backup. The application can ensures data backup security in the SE and the TEE.

Abstract: A domain name system query method in which: a first network element receives a DNS query request including a first domain name from a terminal apparatus; the first network element sends first request information which comprises location information of the terminal apparatus and the first domain name to a second network element; the second network element determines, based on the first request information, an IP address and feeds back the IP address to the first network element; and the first network element sends the IP address to the terminal apparatus. When a terminal apparatus performs domain name query, a core network element determines an IP address of an application server based on location information of the terminal apparatus and a queried domain name. In this way, the terminal apparatus obtains an IP address of an application server close to the terminal apparatus, thereby improving service access efficiency of the terminal apparatus.

Abstract: Disclosed is a separating mechanism for a magnetic foreign matter in a sintering slurry of a lithium ion battery, including a separating machine body; the separating machine body includes an upper cover and a separating cylinder; the upper cover is provided with a driving motor at a top end; a stirring and separating mechanism is arranged in an inner cavity of the separating cylinder; the stirring and separating mechanism includes a planetary gear set, a stirring shaft, a collecting frame, a magnetic guide sleeve and a balancing ring; the planetary gear set includes a gear ring, planetary gears, a sun gear and a connecting plate; one end of the stirring shaft is connected with a central rotating shaft of the planetary gears; the collecting frame is connected with a central rotating shaft of the sun gear; and the magnetic guide sleeve is spirally sleeved on an outer side of the stirring shaft.

Abstract: A preparation method of a high-rate foamed polylactic acid (PLA) sheet includes first-stage extrusion, second-stage extrusion, and foamed sheet extrusion. The method requires the following raw materials in parts by mass: 88 to 94 parts of PLA, 1 to 2 parts of a nucleating agent, 2 to 5 parts of a foaming agent, and 2 to 5 parts of an additive. The new method effectively solves the problems of low foaming rate, low strength, and the like in the industrial production using carbon dioxide, and a prepared PLA sheet with high foaming rate and excellent surface performance can be used in the fields of food packaging, disposable fully-degradable lunch boxes, and the like.

Abstract: A wireless charging control method for an electric vehicle or a wireless charging transmitter includes an inner-loop control circuit, a boost circuit, an inverter circuit, and a transmitting coil, where the inner-loop control circuit is coupled to both the boost circuit and the inverter circuit, and an input end and an output end of the inverter circuit are respectively coupled to the boost circuit and the transmitting coil, and the inner-loop control circuit is configured to obtain a first current reference signal and a sampled current signal of the transmitting coil, compare the first current reference signal with the sampled current signal to obtain an absolute value of a difference between the first current reference signal and the sampled current signal, and adjust a phase shift angle of the inverter circuit or a duty cycle of the boost circuit when the absolute value is greater than a preset deviation.

Abstract: A method for preparing the ferrous sulfide-containing passivator includes: dissolving a sulfide in an alkaline solution to form a mixed solution with a pH of 12-13; adding sodium silicate to the mixed solution and stirring for 0.5-1 hour at 20-40° C.; adding an aqueous solution of ferrous salt to the mixed solution containing sodium silicate, and allowing to react at 40-60° C. for 2-3 hours; where, with decrease of the pH of the mixed solution, sodium silicate is converted into silica nanoparticles, and the ferrous salt reacts with the sulfide to form ferrous sulfide; and further adding an aqueous solution of an organic modifier, and allowing to react at 40-60° C. for 1-2 hours to form a passivator slurry including surface-modified ferrous sulfide doped with silicon dioxide; filtering the passivator slurry to form a passivator.

Abstract: An insert molding sheet to be used for insert molding has a positioning rib to be fixed to a mold facing a cavity.

Abstract: A semiconductor apparatus includes first and second semiconductor chips, and a circuit board. The circuit board is a laminated board sequentially including an insulating plate, a circuit layer, and a metal layer. The circuit layer includes a first mounting portion on which the first semiconductor chip is installed, a second mounting portion on which the second semiconductor chip is installed, and a first and second upper surface slit provided between the first and second mounting portion and extending in a first direction. The metal layer includes a first lower surface slit extending in the first direction. In a plan view, the first mounting portion, the first upper surface slit, the second upper surface slit, and the second mounting portion are provided side by side in the second direction. The first lower surface slit is located within a range defined by the first and second upper surface slit.

Abstract: Provided are a method and a device for electrical DRC of an integrated circuit. The method includes: acquiring a parasitic parameter netlist of the integrated circuit; receiving a circuit simulation result of the integrated circuit and electrical DRC rules; and performing electrical DRC on the integrated circuit based on the parasitic parameter netlist, the circuit simulation result and the electrical DRC rules.

Abstract: A display device includes a display panel; a chip on film attached to an end of the display panel; a printed circuit board electrically connected to an end of the chip on film and including a connector portion; a rotation shaft including the printed circuit board and extending in a direction; and a flexible cable having an end electrically connected to the connector portion of the printed circuit board. The connector portion of the printed circuit board does not overlap the display panel in a plan view.

Abstract: A display compensation module, a display compensation method and a display device are provided. The display compensation module includes a search circuit, a compensation control circuit and a compensation circuit. The search circuit is configured to obtain compensation information corresponding to the display gray-scale value of the M-th row in the N-th frame of display data and the display gray-scale value of the M-th row in the (N?1)-th frame of display data, and when the compensation information indicates that the display gray-scale values of at least part of columns of sub-pixels in the M-th row in the display panel increase from the (N?1)-th frame to the N-th frame, apply the first control signal to the compensation control circuit; N is an integer greater than 1, M is a positive integer.