Abstract: The present disclosure provides an electromagnetic touch screen and an electromagnetic touch device including the electromagnetic touch screen. The electromagnetic touch scree includes receiving coils and transmitting coils. The transmitting coils are correspondingly arranged in a peripheral area around the receiving coils. The transmitting coils are configured to transmit transmitting signals through which a first magnetic field is generated to charge the stylus before a touch operation, and the receiving coils are configured to generate receiving signals during the touch operation.

Abstract: A display panel includes a light-emitting element and a pixel circuit. The pixel circuit includes a drive circuit and a coupling device. A control terminal of the drive circuit is electrically connected to a first node. A first terminal of the coupling device is electrically connected to a target voltage signal line, and a second terminal of the coupling device is electrically connected to the first node. The light-emitting element includes a first color light-emitting element and a second color light-emitting element. The pixel circuit includes a first pixel circuit and a second pixel circuit. The first pixel circuit is electrically connected to the first color light-emitting element, the second pixel circuit is electrically connected to the second color light-emitting element, and a capacitance value of a coupling device in the first pixel circuit is different from a capacitance value of a coupling device in the second pixel circuit.

Abstract: An array substrate is provided. The array substrate includes a plurality of first subpixels in a first region and a plurality of second subpixels in a second region. The plurality of first subpixels include a plurality of first pixel driving circuits. The plurality of second subpixels include a plurality of second pixel driving circuits. A respective first pixel driving circuit of the plurality of first pixel driving circuits includes a smaller number of transistors than a respective second pixel driving circuit of the plurality of second pixel driving circuits. The first region has a light transmittance higher than the second region, and a subpixel density same as the second region.

Abstract: The disclosure provides a display panel and a preparation method thereof. The display panel includes an array substrate and an opposite substrate. The array substrate includes a first substrate, a common electrode layer, a first metal layer, a second substrate, and a light-shielding layer. The common electrode layer includes a common electrode, a first electrode, and a groove, and the groove is disposed between the common electrode and the first electrode. The light-shielding layer includes a light-shielding part, and an orthographic projection of the light-shielding part on the first substrate covers an orthographic projection of the first electrode on the first substrate, an orthographic projection of the second electrode on the first substrate, and an orthographic projection of the groove on the first substrate.

Abstract: A communication method includes: a first apparatus obtains first information, where the first information indicates the first apparatus to perform multi-link hybrid automatic repeat request (HARQ) combination; the first apparatus receives first data from a first link, where the first data is initial transmission data or retransmission data for third data, and the first link is a link between the first apparatus and a second apparatus; the first apparatus receives second data from a second link, where the second data is retransmission data for the third data, and the second link is a link between the first apparatus and a third apparatus; and the first apparatus performs HARQ combination on the first data and the second data based on the first information.

Abstract: Embodiments of this application disclose a security verification method and apparatus. The method includes: receiving a first command from a network device, where the first command includes a first value, and the first command is one of a select command, a query command, a query repeat command, a query adjust command, or an acknowledgment command; determining a first response value based on the first value and a security key; and sending a first request, where the first request includes the first response value, and the first response value is used by a verification function to verify a terminal device. According to embodiments of this application, communication security can be ensured.

Abstract: The present disclosure relates to a display panel including a flexible substrate, where the flexible substrate includes a first side and a second side opposite to each other, an OLED device is arranged on the first side of the flexible substrate, and a heat dissipation functional film layer is directly attached to the flexible substrate at The second side, or, a thermal conductive film layer and a heat dissipation functional film layer are sequentially arranged on the flexible substrate at the second side in a direction away from the flexible substrate, and the thermal conductive film layer includes at least one sub-thermal conductive film layer arranged in a laminated manner. The present disclosure further relates to a display module.

Abstract: an interface display method and an electronic device. In the method, a target application in the electronic device may generate a view tree based on a first display window whose width is less than a width of an actual display window. The electronic device may generate, based on a second display window, a user interface corresponding to the view tree. The electronic device may stretch a second view node that may affect aesthetics of the user interface, so that a width of the second view node is adapted to a width of the second display window. For a first view node that does not affect the aesthetics of the user interface, a current state of the first view node in the user interface is maintained.

Abstract: A display device is provided in the present application. The display device includes a flexible display screen and a plate-shaped back reinforcing member attached to a back face of the flexible display screen. The back reinforcing member includes a surface facing the back face and an inner face facing away from the surface, and includes first region portion(s) and second region portion(s) adjacent to each other in a first direction that is along the surface. When the back reinforcing member is viewed in section in a second direction that is along the surface and perpendicular to the first direction, through hole(s) through the back reinforcing member are provided in first region portion(s) in a third direction perpendicular to both the first direction and the second direction, and concave portion(s) recessed from the surface toward the inner face are provided in the second region portion(s).

Abstract: The present disclosure discloses a display panel and a manufacturing method thereof. The display panel includes a first display region and a third display region; the display panel includes a substrate and a suppression layer. A ratio of an area of an orthographic projection of a second cathode suppression layer on the substrate to an area of the third display region is less than a ratio of an area of an orthographic projection of a first cathode suppression layer on the substrate to an area of the first display region. The third display region provides transitional effect, and the suppression layer is configured to increase a light transmittance of the first display region and reduce a brightness difference of each display region.

Abstract: A waveguide structure and a manufacturing method thereof, and a photonic integrated circuit and a manufacturing method thereof are disclosed. The waveguide structure and the manufacturing method thereof include: forming a first material layer; forming a first waveguide and a second waveguide based on the first material layer, wherein the first waveguide and the second waveguide are spaced apart from each other; forming a second material layer; and forming a waveguide coupling structure based on the second material layer, wherein the waveguide coupling structure is optically coupled to the first waveguide and the second waveguide respectively, to optically connect the first waveguide and the second waveguide.

Abstract: An electronic equipment accessory includes an accessory body and a holder assembly connected to the accessory body. The holder assembly includes a support member and a base. The base is rotatably connected to the accessory body. The support member is rotatable relative to the base between an extended position and a folded position. At the extended position, an included angle is formed between the support member and the base to thereby allow the accessory body to be supported on a support surface. The support member is rotatable relative to the base in one direction and the base is rotatable relative to the accessory body in another direction, thus the support member of the electronic equipment accessory can be adjusted with respect to the accessory body in multiple directions to thereby allow the electronic equipment accessory to support electronic equipment on a support surface at multiple different directions or tilted angles.

Abstract: A source driver chip and a display device are disclosed. The source driver chip includes an OR logic arithmetic unit, a clock buffer, a shift register, and an AND logic arithmetic unit. An OR logic operation is performed on a line latch signal and a first output data delay control enabling signal to obtain a second output data delay control enabling signal, and an AND logic operation is performed on an initial line latch sub-signals and the second output data delay control enabling signal, such that electrostatic interference of the line latch signal can be reduced.

Abstract: A display panel includes sub-pixels in a first region, sub-pixels in a second region, and a processor. The processor is configured to determine a luminance compensation signal based on a difference between a first operating temperature of the first region and a second operating temperature of the second region according to a predetermined correlation of temperature to luminance; and control data lines and gate lines associated with the first region or the second region to output the luminance compensation signal to the first region or the second region through the data lines associated with the first region or the second region, to compensate luminance of the first region or the second region.

Abstract: A power module includes a power input end, a first DC/DC power converter, a second DC/DC power converter, a switching unit, and at least two load output ends. A first input end of the first DC/DC power converter and a second input end of the second DC/DC power converter are coupled to a first power supply by using the power input end of the power module, a first output end of the first DC/DC power converter and a second output end of the second DC/DC power converter are coupled to one end of the switching unit, and the other end of the switching unit is coupled to load by using any one of the at least two load output ends of the power module.

Abstract: Embodiments of this application disclose a communication method and a device. The method includes: determining a first signal, where the first signal includes Q reference signals, every K reference signals in the Q reference signals form one group, a value of a first reference signal in the group is related to a value of a second reference signal, the second reference signal is a reference signal other than the first reference signal in the group, power of each group of reference signals at a start location of the first signal that has undergone DFT processing is 0, and both K and Q are even numbers greater than 1; and sending the first signal. Based on the method described in this application, in-band interference of a signal is reduced.

Abstract: A multi-camera extrinsic parameter calibration method, a storage medium and an electronic apparatus are disclosed.

Abstract: The invention discloses a vibration equipment with lifting function, comprising a foundation, a frame defined on the foundation, a driving member defined on the foundation or the frame, an elevating portion; one end of the elevating portion is rotatably connected on the frame and provided with a lifting assembly, one end of the lifting assembly is connected with the frame, another end with the elevating portion; the lifting assembly is used to drive the elevating portion to rotate relative to the frame, the foundation is equipped with a transmission mechanism, the frame is movably arranged on the foundation via the transmission mechanism; the transmission mechanism includes a link member, and the driving member includes an eccentric shaft, the driving member drives the eccentric shaft to rotate, the rotating eccentric shaft drives the frame to move back and forth relative to the foundation via the link member.

Abstract: The disclosure provides a security analysis method and system based on protocol state, which relates to the technical field of protocol security protection. The method includes the following: a node traversal table is built, the node traversal table is scanned and analyzed according to the protocol trigger sequence rule, a first security evaluation factor of a protocol stack is determined, and a second security evaluation factor of each protocol is determined based on protocol normal application rule, and the trustworthiness degree of the second security factor is determined based on the first security factor, and the second security factor is revised based on the trustworthiness degree, and the security state of the protocol is determined according to the revised second security factor, thus the analysis of the protocol state is realized, and the security of the protocol can be accurately determined.

Abstract: This application discloses a memory fault processing method and apparatus, and a storage medium, to improve memory fault repair efficiency. An out-of-band controller obtains fault information of a memory. The out-of-band controller determines a fault severity of a target cache block based on the fault information and a target replacement cache block based on the fault severity of the target cache block. The target replacement cache block is used to replace the target cache block, the target replacement cache block is a cache block currently used to replace a historically faulty cache block. The out-of-band controller sends a repair request to a central processing unit (CPU), where the repair request is used to request the CPU to perform fault repair on the target cache block.