Abstract: A lens module includes first to seventh lenses each having refractive power and sequentially disposed in numerical order from the first lens to the seventh lens starting from an object side of the lens module, wherein each of the first and second lenses has a meniscus shape and an image-side surface that is convex, and the seventh lens has one or more inflection points on an image-side surface thereof.

Abstract: The present invention relates to a method for manufacturing a chemical adsorbent for removing harmful gases, comprising a step of preparing an aqueous chemical solution, which is a mixture of 5 to 20 parts by weight of a chemical for a neutralization or oxidation-reduction reaction of harmful gases, and 120 to 150 parts by weight of purified water, relative to 100 parts by weight of a carrier as an adsorbent; an impregnation step of immersing the carrier in the aqueous chemical solution of a reaction tank and stirring at 50 to 100 rpm for 1 to 5 hr a resulting mixture obtained by immersing the carrier in the chemical aqueous solution while maintaining a temperature of the reaction tank at 60 to 95° C.; and a drying step of evaporating and removing moisture until a moisture content of the chemical adsorbent is 5 to 25% by stirring the resulting mixture at 100 to 300 rpm for 4 to 10 hr while maintaining the temperature of the reaction tank at 105 to 130° C.

Abstract: Disclosed are a method of controlling an underwater thruster, an underwater thruster and a computer-readable storage medium. The control method includes: obtaining a current control parameter and/or a motor control parameter corresponding to an ultra-high power mode when entering the ultra-high power mode; and controlling an operating current of the underwater thruster according to the current control parameter, and/or controlling motor revolutions of the underwater thruster to rotate in a preset mode according to the motor control parameter to control the underwater thruster to operate in the ultra-high power mode. By providing the ultra-high power mode on the underwater thruster, the underwater thruster can output ultra-high power, overcome the problem of slow uplift due to the influence of water flow resistance in the process of underwater operation, and achieve the effect of enhancing the uplift speed.

Abstract: A MEMS device includes: a substrate including a silicon layer; an isolation joint configured to divide the substrate into a first portion including an insulating layer formed on the silicon layer and a second portion including the silicon layer in a plan view, and configured to electrically insulate the first portion and the second portion while mechanically connecting the first portion and the second portion; and a wiring layer arranged on the substrate.

Abstract: A deep learning-based process proximity correction method includes receiving a first layout associated with an After Cleaning Inspection (ACI), the first layout including a plurality of patterns associated with manufacturing a semiconductor device, generating a predictive model based on the plurality of patterns, through deep learning, generating a layout associated with an After Development Inspection (ADI) by correcting the first layout, and predicting an ACI using the layout of ADI, through the predictive model.

Abstract: A display apparatus includes a first reference sub-pixel emitting light in a first wavelength band and having a polygonal shape in a plan view, a first sub-pixel emitting light in a second wavelength band and having a first shape in a plan view defined by a portion of imaginary circles each having a radius and a center disposed on a side of the polygonal shape, and a second sub-pixel emitting light in a third wavelength band and having a second shape in a plan view defined by another portion of the imaginary circles.

Abstract: A fluid drive device includes a first rotor assembly, a second rotor assembly, a stator assembly and a circuit board assembly. The second rotor assembly is connected torque-transmissively to the first rotor assembly, and the stator assembly is electrically connected to the circuit board assembly. The fluid drive device is provided with a first cavity and a second cavity. The first rotor assembly is located in the first cavity. The second rotor assembly, the stator assembly and the circuit board assembly are located in the second cavity. In the case that the second cavity accommodates a working medium, at least part of the circuit board assembly is in contact with the working medium located in the second cavity.

Abstract: Provided is a semiconductor device including an active device layer including a plurality of source/drain patterns, a plurality of insulating layers on the active device layer, a back end of line (BEOL) structure on the plurality of insulating layers and configured to supply electric power to the active device layer, an intermediate layer between the plurality of insulating layers and the BEOL structure, and at least one power via penetrating through the intermediate layer and at least a part in each of the plurality of insulating layers in a vertical direction. The at least one power via electrically connects the BEOL structure and the active device layer. At least a part of a side surface of the at least one power via is in contact with the intermediate layer.

Abstract: A user device for performing narrowband Internet of Things-based communication, the user device including processing circuitry configured to descramble narrowband physical broadcast channels (NPBCHs) respectively included in at least two frames to obtain at least two descrambled NPBCHs, the NPBCHs including identical data and having different phases from each other, and measure narrowband reference signal received power (NRSRP) based on the at least two descrambled NPBCHs.

Abstract: The present disclosure discloses an earphone including a sound production component and a suspension structure. A first sound guiding hole and a second sound guiding hole are disposed on the sound production component, wherein the first sound guiding hole is configured to guide a first sound transmitted to an inside of an ear canal of a user; the second sound guiding hole is configured to communicate an inside of the sound production component with an outside of the sound production component and guide a second sound transmitted to a spatial position outside the sound production component. The suspension structure is configured to place the sound production component on an ear of the user and provide an opening between the sound production component and an opening of the ear canal of the user for acoustic communication with the spatial position outside the sound production component.

Abstract: The present disclosure relates to an acoustic output device. The acoustic output device may include an earphone core, a controller, a power source, and a flexible circuit board. The earphone core may include at least one low-frequency acoustic driver configured to output sounds from at least two first guiding holes and the at least one high-frequency acoustic driver configured to output sounds from at least two second guiding holes. The controller may be configured to direct the at least one low-frequency acoustic driver to output the sounds in a first frequency range and direct the at least one high-frequency acoustic driver to output the sounds in a second frequency range. The power source may be configured to provide power supply for the earphone core. The flexible circuit board may be configured to connect the earphone core with the power source.

Abstract: A method and a device for detecting the position of an object are disclosed. According to an embodiment of the present disclosure, the method for detecting the position of an object includes: detecting a position of the object in a sensing zone, which is divided into multiple divided sensing zones along one direction, by causing multiple light-emitting elements disposed along the one direction to emit light sequentially along the one direction and measuring an intensity and a reception time point of a reflected signal by using a light-receiving element; and reflecting and displaying the detected position of the object on a display screen.

Abstract: A simulation device comprising: a memory to store plan data indicating a plan related to a task planed in advance; a data obtainer to acquire implementation data indicating a status in which the task is under implementation; a controller to control, based on the stored plan data and the acquired implementation data, simulation processing to simulate a predicted progress status in which the task is implemented after the status indicated by the implementation data; and an output interface to output information, wherein the controller detects a delayed state in which the predicted progress status is delayed compared with the plan, determines, based on a prediction result from the simulation processing for a case where a measure for improving the detected delayed state is applied, an application deadline to apply the measure to improve the delayed state, and causes the output interface to output presentation information including the determined application deadline.

Abstract: A method includes causing a computer of a communication terminal to perform a process including acquiring, in response to receipt of a beacon signal transmitted from a vending machine, identification information and type information of a plurality of drinks from the vending machine by using short-range wireless communication; acquiring preference information on drinks of a user of the communication terminal; generating, based on the identification information, the type information, and the preference information, a push notification screen that recommends at least one drink that matches a preference of the user indicated by the preference information from among the plurality of drinks stored in the vending machine indicated by the identification information; and displaying the push notification screen on a display of the communication terminal.

Abstract: Provided is a semiconductor package including a first semiconductor chip, a plurality of second semiconductor chips sequentially stacked on the first semiconductor chip, a plurality of conductive front pads on lower surfaces of the plurality of second semiconductor chips, a plurality of conductive rear pads attached to an upper surface of the first semiconductor chip and an upper surface of each of the plurality of second semiconductor chips, and including a plurality of first bonding pads and a plurality of second bonding pads in different regions, and a plurality of chip connection terminals between the plurality of conductive front pads and the plurality of conductive rear pads, wherein each of the plurality of second bonding pads includes a supporting part configured to support each of the plurality of chip connection terminals, and a fixing part protruding from an upper surface of the supporting part.

Abstract: Provided is an image sensor including a device isolation structure. The image sensor includes a semiconductor substrate including a pixel array including a plurality of pixels, a first photoelectric conversion device and a second photoelectric conversion device inside the semiconductor substrate and included in each of the plurality of pixels, microlenses on the first photoelectric conversion device and the second photoelectric conversion device and a device isolation structure between the plurality of pixels and between the first photoelectric conversion device and the second photoelectric conversion device, the device isolation structure opening a part between the first photoelectric conversion device and the second photoelectric conversion device, including an open region at each edge of the plurality of pixels, and may be continuous in the pixel array.

Abstract: This application provides a heater and a vapor generation device. The heater is constructed to be a pin or in a needle shape, and includes a front end and a rear end that are opposite in an axial direction, and a resistance heating element extending between the front end and the rear end; the resistance heating element includes a first electrical connection portion close to the front end, a second electrical connection portion close to the rear end, and a heating portion located between the first electrical connection portion and the second electrical connection portion; and a plurality of notches or hollow holes are provided on the heating portion. The heater is powered by the electrical connection portions at the front end and the rear end, and generates heat at the heating portion that is formed between the electrical connection portions and has the plurality of notches or hollow holes.

Abstract: An airtight structure of an airtight powder case includes a powder tray and an inner lid, where the inner lid is hinged to one side of the powder tray through a rotating shaft; the inner lid is configured to open and close the powder tray; an aperture of the powder tray is provided with a seal ring; the seal ring includes a first seal ring and a second seal ring; a lower side of the second seal ring is located at the aperture of the powder tray; a lower side of the first seal ring is connected to an upper side of the second seal ring (a die may be used for integral injection molding); the second seal ring is hard, while the first seal ring is soft; and an upper side of the first seal ring is shaped as a downward flanging, and the flanging forms a top.

Abstract: A tooth of a subject is irradiated with light having a specific polarization direction, and each of two or more polarization components in Raman-scattered light from the tooth is separated by a polarization separation element and detected by a detector. Polarization anisotropy of the Raman-scattered light is obtained from a detection signal of each polarization component, and dental caries in the tooth is detected based on the polarization anisotropy.

Abstract: A compound of formula (1): Z1-?a-?b-?c-?d-?e-Z2 ??(1), wherein ?, ?, ?, ?, and ? are respectively units of formulas (1?), (1?), (1?), (1?), and (1?): and the structure of the unit ? is different from the structure of the unit ?, the structure of the unit ? is different from the structure of the unit ?, the structure of the unit ? is different from the structure of the unit ?, and the structure of the unit ? is different from the structure of the unit ?.