Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are stacked in a first direction and a plurality of internal electrodes stacked with the dielectric layer interposed therebetween and external electrodes formed outside the body and connected to the internal electrodes. The body includes an active portion and a side margin portion covering the active portion and opposing each other in a second direction, and 1<A2/M1?1.5 and A2<A1 in which A1 is an average grain size of the dielectric layers in a central region of the active portion, A2 is an average grain size of the dielectric layers at an active boundary part of the active portion adjacent to the side margin portion, and M1 is an average grain size of the dielectric layers in a central region of the side margin portion.

Abstract: A display apparatus including a display and a supporter. The supporter being mounted on the display and configured to support the display and rotate the display module between a first position and a second position. The supporter including a drive motor, a first gear, and a detection sensor. The drive motor configured to supply a driving force to rotate the display. The first gear configured to rotate together with the display by receiving the driving force from the drive motor. The detection sensor configured to detect a rotation amount of a second gear configured to rotate in with the first gear.

Abstract: A semiconductor device includes first and second substrates connected to each other. The second substrate includes a plate layer having first and second faces. Gate electrode layers are disposed on the first face of the plate layer. Channel structures extend through the gate electrode layers. Word-line cutting structures extend through the gate electrode layers and are spaced apart from each other. Via structures are disposed on the second face of the plate layer. Via connecting structures are disposed on the top face of the via structures. A width of the bottom face of each of the via structures is greater than a width of the top face of each of the via structures. A width of the bottom face of each of the via connecting structures is less than a width of the top face of each of the via connecting structures.

Abstract: A storage controller and a storage system comprising the same are provided. Provided is a device security manager configured to set a first device security zone to allow a first tenant to access first tenant data stored in a non-volatile memory, receive access information from a host device and writing the received access information in a mapping table, wherein the access information includes a first host memory address in which the first tenant data is stored in the host device, a first namespace identifier for identifying the first tenant data stored in the non-volatile memory, a first logic block address corresponding to the first namespace identifier, and an encryption key, encrypt the first tenant data by using the encryption key, and write the encrypted first tenant data in the first device security zone of the non-volatile memory.

Abstract: A camera module disclosed in an embodiment of the invention includes: a first holder having a plurality of first lens groups arranged in a first direction; a second holder having a plurality of second lens groups arranged in the first direction; and a first driving means for moving the first holder having the plurality of first lens groups in the optical axis direction, wherein each of the plurality of first lens groups may include a plurality of lenses, and each of the plurality of second lens groups may include a plurality of lenses.

Abstract: The present embodiment relates to a light output module comprising: a first lens part including at least one lens; a second lens part including at least one lens and disposed at a lower side of the first lens part; an actuator for moving the second lens part; a third lens part disposed at a lower side of the second lens part; and a light source disposed at a lower side of the third lens part, wherein the actuator comprises: a first housing receiving the second lens part and including at least one first magnet disposed therein; a second housing receiving the first housing and including at least one second magnet disposed therein; and a third housing including a first coil facing the first magnet and a second coil facing the second magnet, wherein the first housing is operated in a first direction, and the first housing and the second housing are operated in a second direction.

Abstract: Provided are a shaper unit and an image stabilization device. A shaper unit, according to one aspect of the present invention, comprises: a shaper body formed of a transparent material; first glass disposed on one side of the shaper body, a membrane disposed on one side of the first glass; a variable prism disposed on one side of the membrane; and a second glass disposed on one side of the variable prism.

Abstract: Disclosed are a payment service apparatus for providing product information to an offline merchant on the basis of location information and supporting payment processing based on a virtual currency and an operating method thereof.

Abstract: Disclosed is a method for providing a communication service based on a push, which may include: when an application loaded on a client is executed, requesting a communication service based on the push keys to an account server; receiving push keys of multiple target clients from the account server; requesting a push server to transfer the push keys of the client and a service request for a predetermined service to at least some of the multiple target clients; and when communication connection with a target client which responds to the service request is performed based on the push keys, performing the predetermined service.

Abstract: Disclosed are a payment processing apparatus using a virtual currency with an automatic trading function of the virtual currency and an operating method thereof. The present invention may provide a platform which may use a virtual currency as a trading means of goods by presenting a payment processing apparatus for supporting a product purchaser to pay a price of a product to a product seller using a virtual currency and an operating method thereof.

Abstract: A camera module according to an embodiment of the present invention includes a prism part configured to convert incident light to parallel light in an optical axis direction, a tilting part through which the parallel light passes and which changes an optical path of the parallel light by changing an angle of a surface through which the parallel light passes, a lens part configured to collect the parallel light of which the optical path is changed, and an image sensor part configured to convert the parallel light collected by the lens part to an electrical signal, wherein the tilting part is disposed between the prism part and the lens part.

Abstract: An optical device includes a light receiving element for detecting light reflected and transmitted from a subject; a voltage part for providing a first bias voltage or a second bias voltage to the light receiving element; and a controller for controlling the voltage part so that the second bias voltage provided from the voltage part is synchronized with a light output of a light emitting part to be provided to the light receiving element.

Abstract: The embodiment relates to a lens assembly and a camera module including the same. The lens assembly according to the embodiment may include a housing 20, a first group lens assembly 210 disposed in the housing 20, and a second group lens assembly 320 disposed at one side of the first group lens assembly 210. The first group lens assembly 210 may be a fixed lens assembly, and may include a first lens 211 and a liquid lens 215. The second group lens assembly 320 may be a movable lens assembly and may include a second lens group 220. In an embodiment, the first group lens assembly 210 may have a negative (?) refractive power as a whole, and the second group lens assembly 320 may have a positive (+) refractive power as a whole.

Abstract: The embodiment relates to an image stabilization device and a camera module including the same. The image stabilization device according to the embodiment includes: a first prism for changing a path of a light beam; a second prism disposed below the first prism and changing a path of light beam emitted from the first prism; an image stabilization control unit for controlling a shape of the second prism including a coil part and a magnet part. The first prism may be disposed inside the image stabilization control unit. The second prism may be a variable wedge prism. The image stabilization control unit may control the path of the light beam by changing the shape of the second prism through the magnet part.

Abstract: A method of providing a video in a portable terminal according to the present invention may include: monitoring whether an execution request event for a multi-camera mode of a portable terminal is generated; when the execution request event is generated, executing a virtual multi-preview menu including a plurality of pre-view regions, which is divided into independent separate regions and displays a plurality of different contents, respectively, and when the virtual multi-preview menu is executed, photographing a multi-preview image, so that different contents are displayed on the plurality of preview regions, respectively, with a virtual camera implemented in the portable terminal.

Abstract: An optical system according to one embodiment of the present invention includes a first lens, a second lens, a third lens, and a fourth lens, which are sequentially arranged from an object side to an image side, and has an F value of 1.7 or less and a ratio (total top length (TTL)/F value) of a TTL to the F value of 2.1 to 3.

Abstract: Provided are a light-receiving device and lidar comprising the light-receiving device. The light-receiving device comprises: a first lens comprising a first lens surface for receiving light from an outside and a second lens surface for changing the path of the light received by the first lens surface and outputting the light to the outside; and a sensor on which light transmitted through the second lens surface is incident, wherein the first lens surface is a spherical surface, the second lens surface is an aspherical surface, and the focus of the first lens deviates from the sensor surface of the sensor.

Abstract: A security device includes a physical unclonable function (PUF) cell array including PUF cells connected with word lines and bit lines; first decoder circuitry connecting a first bit line connected to a target PUF cell with a first data line and a second bit line connected with a reference PUF cell to a second data line; a digital-to-analog converter (DAC) control circuit outputting first and second digital codes; a first DAC between a power supply voltage and the first data line, the first DAC generating a first analog output in response to the first digital code; a second DAC between the power supply voltage and the second data line, the second DAC generating a second analog output in response to the second digital code; and a sense amplifier comparing the first analog output and the second analog output and outputting a comparison result.

Abstract: A polyolefin and a method for preparing same are provided. The polyolefin is formed by copolymerizing an olefin-based monomer and a comonomer in the presence of an olefin polymerization catalyst comprising a transition metal compound for an olefin polymerization catalyst represented by formula 1, and the weight average molecular weight (Mw) thereof may be 20,000 or less. The description of formula 1 is the same as that in the description of the invention.

Abstract: Disclosed are a payment processing apparatus using a virtual currency with an automatic trading function of the virtual currency and an operating method thereof. The present invention may provide a platform which may use a virtual currency as a trading means of goods by presenting a payment processing apparatus for supporting a product purchaser to pay a price of a product to a product seller using a virtual currency and an operating method thereof.