Abstract: A display panel and a display device, where the display panel includes a substrate, an insulation layer, a conductive layer, a first planarization layer, an OLED layer and an encapsulation layer which are stacked in sequence, where a plurality of first grooves are formed in the conductive layer, and the first planarization layer fills the first grooves and covers the conductive layer; the display panel further includes a compensation layer, where a plurality of second grooves are formed in the compensation layer, and projection of the compensation layer on the substrate at least overlaps with projection of part of the first grooves on the substrate.

Abstract: Embodiments of this application provide an electronic device. A first terminal of the trigger member is connected to the button, and a second terminal of the trigger member has a first assembly part. A via hole that passes through the outer wall and an inner wall of the middle frame is formed at a bottom of the button slot. The trigger member passes through the via hole and rotates in the via hole to a pre-assembly position or an assembly position. When the trigger member rotates in the via hole to the pre-assembly position, the trigger member passes through the via hole. When the trigger member rotates in the via hole to the assembly position, the first assembly part abuts against the inner wall of the middle frame.

Abstract: An electronic device includes at least a housing, a mainboard, a conductive coil, and a conductive adapter. The housing includes an inner surface and an outer surface provided opposite to each other. The mainboard is arranged on the inner surface. The conductive coil is arranged on the inner surface and is integrally arranged with the housing. The conductive coil includes a winding portion, an outer connection terminal, and an inner connection terminal. In a radial direction of the winding portion, the mainboard is located at an outer side of the winding portion. The outer connection terminal is connected to the winding portion and is located at the outer side of the winding portion. The outer connection terminal is electrically connected to the mainboard.

Abstract: An electronic device and a manufacturing method for a middle frame are provided. The electronic device includes a middle frame, and the middle frame includes a bezel and a middle plate. The bezel is of an annular structure and is disposed around an edge of the middle plate, and the bezel includes at least two layers of annular structures. A concavo-convex fit between any two adjacent annular structures in the at least two layers of annular structures is used to locate the annular structure. The at least two layers of annular structures are respectively at least two metal materials of different densities. In this application, in a processing manner of hot forging a composite plate, the bezel, the middle plate, and a rib in the middle frame are an integrated structure, and at least two types of metal are arranged on the bezel at the same time.

Abstract: A housing assembly includes a middle frame, a support and a decorative part. The middle frame includes a middle frame body and a border frame, where the border frame is connected to an outer edge of the middle frame body. The support includes a support body and tailbones. The support body includes a first support surface and a second support surface, where the first support surface and the second support surface face away from each other. The tailbone is connected to an outer edge of the support body. The tailbone includes a protrusion with the protrusion protruding from the first support surface. The decorative part is mounted on the first support surface with an end of the decorative part connected to the tailbone. The support is mounted on the middle frame with the second support surface facing the middle frame.

Abstract: A bracket, a module assembly, and an electronic device, so as to improve position stability of the module in the electronic device. Two first limiting parts arranged opposite to each other are arranged at two ends of the bracket, a second limiting part is arranged on at least one side of the bracket, and the two first limiting parts and the second limiting part are enclosed to form a mounting position for mounting the module. Both the first limiting parts and the second limiting part may limit the module, so as to limit in all directions and ensure position stability of the module in the bracket. The bracket is further fixed to the electronic device through fixing parts, so that the position stability of the module in the electronic device may be improved.

Abstract: An electronic device may include a mobile phone, a tablet computer, a handheld computer, a walkie-talkie, a POS machine, an event data recorder, a wearable device, a virtual reality device, or in-vehicle original equipment or another terminal product with a loudspeaker. An inner wall of a mounting cavity for mounting a loudspeaker and the loudspeaker are respectively provided with mating surfaces that adapt to each other. In the two mating surfaces, one is provided with a flexible sealing member and a limiting structure, and the other is provided with a rigid sealing member. When the loudspeaker is mounted, the rigid sealing member can move relative to the flexible sealing member along a first direction, until the rigid sealing member is mated with the flexible sealing member. The limiting structure can restrict the flexible sealing member from moving.

Abstract: A cationic cyanuric chloride derivative tanning agent and a preparation method thereof are disclosed. The method includes: mixing 9.22-36.88 parts of cyanuric chloride, 21.35-100.31 parts of a solvent, and 7.12-33.44 parts of deionized water, all by mass, in an ice-water bath to obtain a mixture A; at a temperature of 0-5° C., adding 2.98-20.44 parts of a tertiary ammonia compound to the mixture A, and subjecting the resulting mixture to a reaction for 4-6 hours, during which its pH value is adjusted with an acid-binding agent solution to 6.0-7.0, to obtain a mixture B; filtering the mixture B, washing the filter cake, and vacuum drying for 4-6 h to obtain a solid C, and grinding to obtain the cationic cyanuric chloride derivative tanning agent.

Abstract: Embodiments of this application provide a detection label for an electronic device and an electronic device. The detection label includes a detection part and an adhesive layer, where the detection part is configured to detect whether liquid flows into an electronic device, and the adhesive layer is configured to connect the detection part to a housing of the electronic device. The detection part has a first surface, the first surface is a surface of a side facing towards the housing, the adhesive layer may be disposed on the first surface, and an area of the adhesive layer is less than an area of the first surface. In this way, a part of the first surface is not covered with the adhesive layer, and liquid can be in contact with the first surface, so that the detection part can perform detection in a plurality of directions simultaneously.

Abstract: This application provides an electronic device, including: an appearance member, a first housing, and a second housing. The appearance member includes a main body portion, and a first side portion and a second side portion respectively connected to opposite sides of the main body portion and both bent relative to the main body portion. The appearance member encloses a receiving cavity, and the first side portion and the second side portion are spaced opposite to each other to form an opening. The first housing is located in the receiving cavity and includes a first anti-collision portion and a support portion connected to the first anti-collision portion, a material hardness of the first anti-collision portion is less than a material hardness of the support portion. The second housing is located in the receiving cavity; and in a direction from the first side portion to the second side portion.

Abstract: This application provides an electronic device, including a first cover, a first shell, and a second shell. The first cover includes a first side portion, a middle portion, and a second side portion. The middle portion is connected between the first side portion and the second side portion. The first side portion and the second side portion are spaced apart from and opposite to each other to form an opening. The first side portion, the middle portion, and the second side portion are enclosed to form an accommodating cavity. The first shell and the second shell are both mounted in the accommodating cavity. The first shell and the second shell are matched to support the first cover. The solution of this application can resolve the problem of difficulty in assembling the shells with an exterior part.

Abstract: A cationic cyanuric chloride derivative tanning agent and a preparation method thereof are disclosed. The method includes: mixing 9.22-36.88 parts of cyanuric chloride, 21.35-100.31 parts of a solvent, and 7.12-33.44 parts of deionized water, all by mass, in an ice-water bath to obtain a mixture A; at a temperature of 0-5° C., adding 2.98-20.44 parts of a tertiary ammonia compound to the mixture A, and subjecting the resulting mixture to a reaction for 4-6 hours, during which its pH value is adjusted with an acid-binding agent solution to 6.0-7.0, to obtain a mixture B; filtering the mixture B, washing the filter cake, and vacuum drying for 4-6 h to obtain a solid C, and grinding to obtain the cationic cyanuric chloride derivative tanning agent.

Abstract: An information processing method and an electronic device are provided. The method is applied to an electronic device and comprises collecting audio information received by the electronic device before waking up the electronic device; storing the audio information; and based on the stored audio information, generating alternative wake words. The wake words facilitate the electronic device to switch from a sleep mode to a wake mode.

Abstract: A pulsed light high-speed polarization locking method of a continuous variable quantum key distribution system is disclosed. An integral type optical detector is used for converting energy of a single pulsed light into a peak voltage of an output electric pulse in real time so as to achieve real-time measurement of light pulse energy without conducting high-speed data sampling and simplify the data acquisition and processing. By utilizing the FPGA hardware, a conditional simulated annealing algorithm is quickly operated to search the target polarization state and achieve high-speed polarization locking under the pulsed light. In addition, the power change of a local oscillator is monitored in real time to strengthen the resistance of the system against local oscillator dithering attack. The present invention can effectively solve a problem of rapid fluctuations of polarization state of pulsed light caused by complex external environments.

Abstract: A one-dimensional modulation continuous-variable quantum key distribution method is provided. The method includes transmitting, at a transmit end, a signal light field that passes through a first amplitude modulator and a first signal adjustment apparatus, and a reference light field, to an optical fiber combiner, and to a receive end through a quantum transmission channel. The method also includes separating, at the receive end, a quantum signal after the quantum signal passes through a second signal adjustment apparatus and an optical fiber splitter; and transmitting a separated reference light field and a separated signal light field to a measurement apparatus after the separated reference light field passes through a third signal adjustment apparatus and a phase modulator. Signal amplitude modulation and phase locking can be implemented by an amplitude modulator and a phase modulator, thereby simplifying the structure of the apparatus and reducing production costs.

Abstract: A pulsed light high-speed polarization locking method of a continuous variable quantum key distribution system is disclosed. An integral type optical detector is used for converting energy of a single pulsed light into a peak voltage of an output electric pulse in real time so as to achieve real-time measurement of light pulse energy without conducting high-speed data sampling and simplify the data acquisition and processing. By utilizing the FPGA hardware, a conditional simulated annealing algorithm is quickly operated to search the target polarization state and achieve high-speed polarization locking under the pulsed light. In addition, the power change of a local oscillator is monitored in real time to strengthen the resistance of the system against local oscillator dithering attack. The present invention can effectively solve a problem of rapid fluctuations of polarization state of pulsed light caused by complex external environments.

Abstract: An information processing method and an electronic device are provided. The method is applied to an electronic device and comprises collecting audio information received by the electronic device before waking up the electronic device; storing the audio information; and based on the stored audio information, generating alternative wake words. The wake words facilitate the electronic device to switch from a sleep mode to a wake mode.

Abstract: A one-dimensional modulation continuous-variable quantum key distribution method is provided. The method includes transmitting, at a transmit end, a signal light field that passes through a first amplitude modulator and a first signal adjustment apparatus, and a reference light field, to an optical fiber combiner, and to a receive end through a quantum transmission channel. The method also includes separating, at the receive end, a quantum signal after the quantum signal passes through a second signal adjustment apparatus and an optical fiber splitter; and transmitting a separated reference light field and a separated signal light field to a measurement apparatus after the separated reference light field passes through a third signal adjustment apparatus and a phase modulator. Signal amplitude modulation and phase locking can be implemented by an amplitude modulator and a phase modulator, thereby simplifying the structure of the apparatus and reducing production costs.

Abstract: Embodiments of the present invention provide a photovoltaic (PV) connector, comprising a first connecting unit and a second connecting unit detachably connected with the first connecting unit, wherein the first connecting unit includes a first conductor, a first stop ring, a first housing and a first conductor core provided inside and detachably connected to the first housing; the first conductor is electrically connected with a pressing end of the first conductor core; the first stop ring is detachably connected with the first housing; the second connecting unit includes a second conductor, a second housing, a second stop ring and a second conductor core provided inside and detachably connected to the second housing; the second conductor is electrically connected with a pressing end of the second conductor core; the second stop ring is detachably connected with the second housing.

Abstract: The present invention provides an islanding detection method and an islanding detection system. The method includes: acquiring a voltage signal at a grid-connected node of a power generation system, and extracting phase information of the voltage signal; constructing a slip-mode frequency shift islanding detection curve in the form of a quadratic function according to the phase information; and generating a disturbance signal according to the slip-mode frequency shift islanding detection curve, and sending the disturbance signal to an inverter of the power generation system. The method and system can avoid a non-detection zone, and can perform an inverter islanding detection in a fast and accurate manner under simple control.