Abstract: A method for rapidly and quantitatively adjusting a beam angle of an illuminating device includes: determining a target beam angle according to an actual scene, and sending, by using an input apparatus, the target beam angle to the illuminating device; receiving, by a receiver of the illuminating device, the target beam angle and sending the target beam angle to a controller of the illuminating device; determining, by the controller of the illuminating device, target power of each light source according to the target beam angle and a parameter table stored in a local read-only memory (ROM) or cloud of the illuminating device; and driving, by a driver, each light source to emit light according to the corresponding target power, enabling radiated light to be mixed in an illuminated space to change the beam angle, and obtaining the target beam angle according to a superposition principle for the intensity of light.

Abstract: A lens module includes a printed circuit board, a lens component, and at least two electric conductors. The lens component includes a first lens and a microscope base, the first lens is formed on the microscope base, the microscope base is formed on the printed circuit board, and the first lens is electrically conductive and deforms under voltage. The first lens is electrically connected to the printed circuit board by the electric conductors. The printed circuit board outputs a voltage to the first lens through the electric conductors; the first lens deforms according to the voltage thereby changing a focal distance of light passing through the first lens. The disclosure also relates to an electronic device using the lens module. The lens module can has a zoom function and has a litter volume.

Abstract: A rotatable optical module able to aim structured light in different directions includes a driver and an optical assembly positioned at a side of the driver and connected to the driver. The optical assembly projects structured light. The driver drives the optical assembly to rotate, thereby changing the aiming direction of the structured light. An electronic device using such module and placed directly between two target objects is able to function as a meter of the distance between the objects in addition to mapping the contours of each.

Abstract: The present disclosure provides an electrical connector and an electrical connector assembly, the electrical connector includes a conductive seat, a movable contact pin and a spring member. The conductive seat includes a first receiving section, a second receiving section, at least one connection arm connected between the first receiving section and the second receiving section, and two elastic contact arms bending from one of the first receiving section and the second receiving section toward the other of the first receiving section and the second receiving section and extending; a through hole is provided to a front end of the first receiving section.

Abstract: A lens protection structure includes a base, a polyester film, a first silica gel, a second silica gel, and a protective cover. Each of the base, the polyester film, the first silica gel, and the second silica gel defines a through hole for cooperatively receiving a lens. The polyester film is coupled to a surface of the base, and the first silica gel is coupled to a surface of the base opposite the polyester film. The second silica gel is coupled to the polyester film. The protective cover is coupled to the second silica gel and seals a receiving cavity within the base. At least one air escape channel is defined in the base. The at least one air escape channel communicates the receiving cavity of the base to an exterior of the lens protection structure.

Abstract: A positive electrode material, an electrochemical device that uses same, and an electronic device. Specifically, a positive is a layered structure. The layered structure includes a strip-like structure containing an atom cluster. The positive electrode material according to this application helps to improve cycle performance and storage performance of the electrochemical device under a high voltage working condition.

Abstract: A pyranoglucose-substituted pyrazole compound, used as a pharmaceutical intermediate, having the structural formula represented by formula (9c). The present invention further relates to an intermediate compound represented by formula (10c) or a salt thereof. The present invention further relates to a preparation method of the aforementioned intermediate compound and a method of using the same to prepare an SGLT inhibitor. By means of the novel key intermediate, the preparation technique of an SGLT inhibitor is greatly simplified. In addition, because the intermediate can be precipitated in the form of a salt and is easy to purify, the purity of the SGLT inhibitor is significantly increased, compared with the original preparation pathway (crude product purity can reach 99% or more).

Abstract: A camera module shielded against electromagnetic interference but of reduced size comprises a voice coil motor, a circuit board, and a base between voice coil motor and circuit board. The voice coil motor comprises conductive housing. The circuit board comprises a conductive wire itself comprising shielded wire, ground pad, and a surrounding and grounded closed ground loop. The base comprises a main body and a conductive loop sleeved thereon. A first side of the conductive loop is electrically connected to the conductive housing, a second side of the conductive loop is electrically connected to the closed ground loop. The conductive housing, the conductive loop, and the closed ground loop form a shield against electromagnetic interference. The disclosure further provides an electronic device including the camera module.

Abstract: A camera module includes a printed circuit board, a sensor, and a refrigeration chip. A first receiving groove is defined in the printed circuit board. The sensor is received in the first receiving groove and electrically connected to the printed circuit board. The refrigeration chip is formed on and electrically connected to the printed circuit board. The refrigeration chip comprises a cold surface. The sensor is formed on the cold surface. The cold surface is configured to absorb heat from the sensor when the refrigeration chip is powered on. The camera module is capable of dissipating heat and controlling an internal temperature of the camera module.

Abstract: A method for calculating a current illumination level of a target scene capable of quantitatively evaluating an illumination level in a scene through a camera, and a method for automatically adjusting an illumination level of the target scene capable of automatically performing a constant light control over a scene, and a camera, capable of quantitatively evaluating the illumination level in the scene and a smart illumination control system are provided. The smart illumination control system is capable of quantitatively evaluating the illumination level in the scene and automatically adjusting an illumination brightness, a color temperature, a color or a contrast in the scene to realize a constant control over a light environment. In addition, by setting the illumination level on a setting terminal, an illumination product also performs a light-supplementing automatically for the camera to realize a constant light control over a shooting.

Abstract: Described herein are immuno-stimulatory RNA nanostructures (which comprises a single-stranded RNA (ssRNA) molecule, wherein the ssRNA molecule forms at least one paranemic cohesion crossover), as well as compositions and methods of use thereof.

Abstract: A memory evaluation method and apparatus are provided. The method includes: determining a health degree evaluation model indicating a relationship in which a health degree of a memory changes with at least one health degree influencing factor of the memory; obtaining at least one running parameter value corresponding to each of the at least one health degree influencing factor; separately matching the at least one running parameter value corresponding to each health degree influencing factor to the health degree evaluation model, to obtain the health degree of the memory; and outputting health degree indication information which indicate whether the memory needs to be replaced. Therefore, the memory is not faulty and the health degree of the memory is a relatively low, a user is prompted to replace the memory.

Abstract: A lens module includes a printed circuit board, a lens component, and at least two electric conductors. The lens component includes a first lens and a microscope base, the first lens is formed on the microscope base, the microscope base is formed on the printed circuit board, and the first lens is electrically conductive and deforms under voltage. The first lens is electrically connected to the printed circuit board by the electric conductors. The printed circuit board outputs a voltage to the first lens through the electric conductors; the first lens deforms according to the voltage thereby changing a focal distance of light passing through the first lens. The disclosure also relates to an electronic device using the lens module. The lens module can has a zoom function and has a litter volume.

Abstract: The present disclosure relates to a device that includes a first layer having an active material and a stabilizing material, where the active material includes a semiconductor, the stabilizing material includes at least one of an oligomer, an elastomer, a polymer, and/or a resin, and the stabilizing material provides to the device an improved performance metric compared to a device constructed of the first layer but constructed of only the active material (i.e., in the absence of the stabilizing material).

Abstract: A positive electrode material includes a lithium composite oxide, and the positive electrode material comprises stress relief particles. There are cavities inside the stress relief particles, and the cavities are closed structures. The positive electrode material that includes the stress relief particles can be used to effectively tackle a stress and relieve the stress in advance, relieve a strain of the positive electrode material used at a high voltage, avoid ruptures of particles of the positive electrode material, and enhance structural stability of the positive electrode material. The positive electrode material and the electrochemical device having the positive electrode material achieve good high-voltage cycle performance and cycle stability.

Abstract: A voice coil motor strongly attached to the base of a camera module comprises the base and a casing. The casing and the base are interlocked with each other. The casing is a hollow structure. The casing comprises a top surface and a side wall surrounding the top surface. The side wall and the base are engaged with each other. The side wall is extended in parts to form at least one extending leg. The extending leg extends to a side of the base away from the top surface and is bent toward the base.

Abstract: The present disclosure relates to a method that includes applying a first perovskite precursor solution to a substrate to form a first liquid film of the first perovskite precursor solution on the substrate; from the first liquid film, forming a first intermediate solid perovskite layer on the substrate; repeating at least once, both the applying and the forming, resulting in the creation of at least one additional intermediate solid perovskite layer; and treating a last intermediate solid perovskite layer, resulting from the at least one additional applying and the at least one additional forming, to create a final solid perovskite layer.

Abstract: Provided in the present disclosure is a type of pyrazolopyrimidine compound as shown in formula (I) or a pharmaceutically acceptable salt thereof, and a preparation method thereof and the use of same in the preparation of a drug for treating or preventing cancers. Such a compound is a new-type PI3K inhibitor and has an excellent inhibitory activity, and can hopefully be used for treating a variety of malignant tumors.

Abstract: A lens protective film includes a base layer, a buffer layer, and a protective layer. The buffer layer and the protective layer are laminated on the base layer. The base layer includes a main body and a first handle extending from the main body. An opening is defined in each of the main body and the buffer layer. The openings of the main body and the buffer layer overlap to form the receiving structure. The receiving structure is used to receive a raised part of a lens. The lens protective film can prevent the buffer layer and the protective layer from being broken and generating debris.

Abstract: First and second connectors and an electrical connector assembly are provided. The first connector comprises: an insulating base; a magnetic attraction metal piece which is fixed into the base; a magnet which sheathes the base and is attached to the metal piece; a first terminal which is fixed to the base; and a metal shell which covers the magnet. The second connector comprises: a magnetic attraction metal ring; a fixing base which is integrated with the metal ring; and a second terminal which is correspondingly received in the fixing base. The magnet and the metal ring are correspondingly magnetically attracted, so that the metal shell and the metal ring are attached to each other and the first terminal and the second terminal are electrically connected. The first connector and the second connector can be stably mated with each other and facilitate miniaturization of an electronic device.