Abstract: The method comprises registering at least one of an internet protocol (IP) address and a media access control (MAC) address of the security devices, generating a plurality of public key and private key pairs, encrypting and storing private keys comprised in the plurality of public key and private key pairs using a master key provided from a master key management unit, selecting any one of a plurality of public key and private key pairs when the access of the security device is approved and providing a certificate comprising the selected public key to the security device, receiving a symmetric key encrypted with the public key of the certificate from the security device, and decrypting the private key using the master key provided from the master key management unit.

Abstract: The button structure including a front panel configured to define a body and having a mounting hole formed in a front surface of the front panel directed toward an interior of an occupant compartment, a button unit accommodated in the mounting hole and configured to selectively control various types of AV systems of a vehicle, a detection unit accommodated in the front panel and configured to detect a user's hand, a switch unit configured to operate various types of AV systems of the vehicle under the control of the button unit, and a lighting unit accommodated in a housing and configured to emit light to the button unit in response to a detection signal of the detection unit, in which the detection unit is disposed rearward of the button unit and positioned from the button unit in a direction opposite to the direction toward the interior of the occupant compartment.

Abstract: The flow rate control device includes a main plate corresponding to an inner diameter and including a through hole which is formed at the center thereof and through which a fluid flows, a sub-plate corresponding to a size of the through hole, disposed in front of the main plate, and applied with a pressure of the flowing fluid, and an expansion and contraction flow path formed to connect the through hole and a circumference of the sub-plate to each other and expanded and contracted by the pressure applied to the sub-plate. The expansion and contraction flow path includes a plurality of holes which are formed in a side surface thereof and through which the flow flows, and has a cross-sectional area changed by the pressure to control a flow rate.

Abstract: An orbit transition apparatus that transitions an orbit of a payload in outer space includes a rotating body, an adapter disposed on a center part of the rotating body for docking a payload, a launch module disposed outside of the rotating body for launching the payload, and a thruster for rotating the rotating body. The launch module may launch the payload to a target orbit.

Abstract: A gas-detecting apparatus includes a pump module connected to a first input and a second input to intake air, a sensor module including at least one unit sensor configured to output a sensing signal in response to gas present in the air, and a control module configured to detect the gas using the sensing signal. The control module controls the pump module to intake second air by opening the second input when gas is detected in first air introduced through the first input, and determines that gas is detected when a concentration of gas detected in the second air is lower than a concentration of gas detected in the first air.

Abstract: The present specification discloses a composition for external application to skin, containing a tea plant root extract as an active ingredient, for treatment of skin damage caused by fine dust, whereby the expression level of one or more selected from a group consisting of IL-36G (NM_019618), S100A7 (NM_002963), S100A8 (NM_002964) and XDH (NM_000379), which are genes in skin cells the expression level of which is affected by fine dust, is regulated to a normal level.

Abstract: According to an aspect of an exemplary embodiment, an image display method may include displaying, on a display, an item list including a plurality of items and a cursor; detecting a user input for moving the cursor; and moving the cursor based on the user input and changing a property of at least one item of the plurality of items included in the item list based on a spatial relationship between the at least one item and the cursor.

Abstract: An electronic device is provided. The electronic device includes a communicator; a memory storing one or more instructions; and a processor electrically connected to the communicator and the memory, wherein the processor executes the one or more instructions to group a plurality of electronic devices into one group, control the communicator to receive cost information from at least one electronic device included in the group, sum the received cost information, distribute the summed cost information based on a number of the plurality of electronic devices, and control the communicator to transmit the distributed cost information to the plurality of electronic devices.

Abstract: The present invention discloses an image sensor including a quantum dot layer. The image sensor including a quantum dot layer according to the present invention includes photoelectric conversion elements formed on a substrate to correspond to a plurality of pixel regions; a wiring layer formed on the substrate on which the photoelectric conversion elements are formed; color filters formed on the wiring layer to correspond to the photoelectric conversion elements; and a quantum dot layer formed on the color filters and absorbing light and emitting visible light having a specific range of wavelengths converted from the absorbed light.

Abstract: An image display apparatus and an image display method are provided. The image display method includes displaying an item list including items, and a cursor indicating a position of a user input for moving the cursor. The image display method further includes sensing the user input, moving the cursor based on the user input, and changing a gap between a first item and a second item adjacent to the first item, among the items, based on a positional relationship between the cursor and the first item.

Abstract: The present invention discloses a dual image sensor. The dual image sensor according to one embodiment of the present invention includes first and second image sensor modules mounted on a printed circuit board, wherein the first image sensor module includes a first housing mounted on the printed circuit board; a first image sensor mounted on the printed circuit board and formed on a first surface of the first housing; and a first lens formed on a second surface of the first housing, and the second image sensor module includes a second housing mounted on the printed circuit board; a second image sensor mounted on the printed circuit board and formed on a first surface of the second housing; a second lens formed on a second surface of the second housing; and a quantum dot layer formed between the second image sensor and the second lens and absorbing ultraviolet light and emitting visible light converted from the absorbed ultraviolet light.

Abstract: The present invention discloses an image sensor including a quantum dot layer. The image sensor including a quantum dot layer according to the present invention includes photoelectric conversion elements formed on a substrate to correspond to a plurality of pixel regions; a wiring layer formed on the substrate on which the photoelectric conversion elements are formed; color filters formed on the wiring layer to correspond to the photoelectric conversion elements; and a quantum dot layer formed on the color filters and absorbing light and emitting visible light having a specific range of wavelengths converted from the absorbed light.

Abstract: The present invention discloses a dual image sensor. The dual image sensor according to one embodiment of the present invention includes first and second image sensor modules mounted on a printed circuit board, wherein the first image sensor module includes a first housing mounted on the printed circuit board; a first image sensor mounted on the printed circuit board and formed on a first surface of the first housing; and a first lens formed on a second surface of the first housing, and the second image sensor module includes a second housing mounted on the printed circuit board; a second image sensor mounted on the printed circuit board and formed on a first surface of the second housing; a second lens formed on a second surface of the second housing; and a quantum dot layer formed between the second image sensor and the second lens and absorbing ultraviolet light and emitting visible light converted from the absorbed ultraviolet light.

Abstract: An electronic device is provided. The electronic device includes a communicator; a memory storing one or more instructions; and a processor electrically connected to the communicator and the memory, wherein the processor executes the one or more instructions to group a plurality of electronic devices into one group, control the communicator to receive cost information from at least one electronic device included in the group, sum the received cost information, distribute the summed cost information based on a number of the plurality of electronic devices, and control the communicator to transmit the distributed cost information to the plurality of electronic devices.

Abstract: The present invention relates to a skin external composition containing an extract of green tea produced by an extreme light-shielding cultivation method, which is distinguished from a conventional light-shielding cultivation method of green tea. More specifically, the present invention relates to a skin external composition, which contains an extract of green tea cultivated by extreme light-shielding, in which the amino acid content is remarkably increased by cultivating the green tea by a light-shielding cultivation under a light-shielding rate of 99% or more, thereby obtaining more excellent skin moisturizing, skin protecting, and anti-aging effects.

Abstract: The present specification discloses a composition for external application to skin, containing a tea plant root extract as an active ingredient, for treatment of skin damage caused by fine dust, whereby the expression level of one or more selected from a group consisting of IL-36G (NM_019618), S100A7 (NM_002963), S100A8 (NM_002964) and XDH (NM_000379), which are genes in skin cells the expression level of which is affected by fine dust, is regulated to a normal level.

Abstract: A gas-detecting apparatus includes a pump module connected to a first input and a second input to intake air, a sensor module including at least one unit sensor configured to output a sensing signal in response to gas present in the air, and a control module configured to detect the gas using the sensing signal. The control module controls the pump module to intake second air by opening the second input when gas is detected in first air introduced through the first input, and determines that gas is detected when a concentration of gas detected in the second air is lower than a concentration of gas detected in the first air.

Abstract: The present invention relates to a cosmetic composition comprising a compound represented by Formula 1 below as an active ingredient. in the above Formula 1, R1 is -glc(2-1)glc, R2 is -glc, or R1 is -glc, R2 is -glc(6-1)ara(pyr).