Abstract: A battery module includes a plurality of secondary batteries, each including an electrode assembly and an electrolyte accommodated in an inner space of an exterior case. The battery module also includes an electrode lead having a body and a plate-shaped head portion. A first end of the body is electrically connected to a positive electrode plate or a negative electrode plate of the electrode assembly, and a second end of the body protrudes outward from the exterior case. The plate-shaped head extends in both directions perpendicular to the protruding direction of the body from the second end. The battery module also includes a bus bar having a plate shape with a slit extending inwardly from one end thereof so as to receive a portion of the body. The electrode lead and the bus bar may be at least partially made of an electrically conductive material.

Abstract: A method of controlling a wireless power transmitter to detect a foreign object can include in response to a wireless power receiver being placed in a charging area of the wireless power transmitter, determining a current peak frequency; collecting a communication error count related to communication between the wireless power transmitter and the wireless power receiver; determining a reference frequency for detecting the foreign object based on a reference peak frequency received from the wireless power receiver; and determining that the foreign object is present within the charging area based on the current peak frequency, the communication error count and the reference frequency.

Abstract: A secondary battery includes a plurality of secondary batteries, each secondary battery having two side surfaces that are flat and parallel to each other; and a housing having a bottom part formed in a horizontal direction, two vertical sidewalls extending parallel to each other in a longitudinal direction at opposite ends of the bottom part, and a ceiling part extending from an upper end of each of the sidewalls and disposed parallel to the bottom part. The plurality of secondary batteries are mounted to be stacked in a thickness direction thereof so that side surfaces of outermost secondary batteries of the plurality of secondary batteries face respective sidewalls. A rib is formed inside each of edges connecting the bottom part and the sidewalls of the housing to each other to have a thickness thicker than other portions of the sidewalls.

Abstract: A processor-implemented method with liveness detection includes: receiving a plurality of phase images of different phases; generating a plurality of preprocessed phase images by performing preprocessing, including edge enhancement processing, on the plurality of phase images of different phases; generating a plurality of differential images based on the preprocessed phase images; generating a plurality of low-resolution differential images having lower resolutions than the differential images, based on the differential images; generating a minimum map image based on the low-resolution differential images; and performing a liveness detection on an object in the phase images based on the minimum map image.

Abstract: A transparent display device is provided, which may reduce loss of light transmittance due to a touch sensor and a touch line and may make sure of separating a touch sensor electrode of a touch sensor from a cathode electrode of a light emitting element. The transparent display device includes a substrate provided with a plurality of transmissive areas and a non-transmissive area including a plurality of light emission areas, a plurality of light emitting elements respectively disposed in the plurality of light emission areas on the substrate, including an anode electrode, a light emitting layer and a cathode electrode, a plurality of touch sensors respectively disposed in the plurality of transmissive areas on the substrate, including a touch sensor electrode, and a first undercut structure disposed along an edge of the transmissive area to separate the cathode electrode from the touch sensor electrode, including a plurality of eaves.

Abstract: A battery module prevents performance degradation due to a swelling phenomenon caused by charging and discharging and increases durability. The battery module includes a cell assembly comprising a plurality of battery cells stacked in a left-right direction; and a module housing configured to accommodate the cell assembly therein. The module housing includes an upper plate covering an upper portion of the cell assembly, a left plate covering a left portion of the cell assembly, a right plate covering a right portion of the cell assembly, and a lower plate covering a lower portion of the cell assembly, and at least one of the left plate and the right plate includes a support portion having a shape protruding toward the cell assembly from an inner surface facing the plurality of battery cells to pressurize at least a part of the cell assembly with a relatively small volume expansion.

Abstract: A method of controlling a power transmitter, the method including entering a negation phase with a power receiver including receiving a foreign object detection status packet from the power receiver, detecting whether a foreign object is present based on the foreign object detection status packet, and transmitting a NACK response to the power receiver indicating the power transmitter has detected the foreign object is present or transmitting an ACK response to the power receiver indicating the power transmitter has detected the foreign object is not present; and entering a power transfer phase including transmitting a first power to the power receiver in response to the transmitted NACK response and again detecting whether the foreign object is present while transmitting the first power, and transmitting a second power greater than the first power in response to the transmitted ACK response.

Abstract: A 1,4-dioxane solvate of lithium difluoro bis(oxalato)phosphate, a method for preparing the same, and an electrolyte composition containing the same are disclosed. The 1,4-dioxane solvate of lithium difluorobis(oxalato)phosphate has excellent crystallinity and filterability, so that a compound with high purity can be obtained in high yield. Further, since it has excellent stability against moisture, its distribution and storage are easy and the stability of the composition containing 1,4-dioxane solvate of lithium difluoro bis(oxalato)phosphate can be greatly improved.

Abstract: A display apparatus includes a first substrate including a plurality of pixel areas provided in a display portion, a second substrate coupled to the first substrate, and a routing portion disposed on an outer surface of the first substrate and an outer surface of the second substrate. The first substrate includes a passivation layer disposed on the display portion, a barrier pattern portion implemented in the passivation layer on an edge portion of the display portion, the barrier pattern portion including a barrier metal pattern, and a light emitting device layer including a light emitting device disposed on the barrier pattern portion and the plurality of pixel areas, and the light emitting device is isolated by the barrier pattern portion.

Abstract: Disclosed is a fault detection system for a vacuum pump. The fault detection system for a vacuum pump according to an embodiment of the disclosure includes an acoustic sensor configured to detect sounds, generate a sound pattern from the sounds, and collect the sound pattern and a processor configured to analyze the sound pattern and identify whether a vacuum pump is faulty.

Abstract: A wireless power receiver including a transmitter configured to transmit to a wireless power transmitter, a foreign object detection status packet including a mode bit field indicating whether a foreign object detection status packet includes a reference peak frequency of the wireless power receiver, in which the reference peak frequency is pre-assigned to the wireless power receiver; and a receiver configured to receive from the wireless power transmitter, a response indicating the foreign object is present or not present in a charging area of the wireless power transmitter, wherein the response is determined based on a comparison of a measured peak frequency of a power signal transmitted by the wireless power transmitter and an adaptable threshold frequency adapted based on the reference peak frequency included in the foreign object detection status packet from the wireless power receiver.

Abstract: The present disclosure relates to an apparatus and method for evaluating durability of a battery module frame for a vehicle. According to the present disclosure, it is possible to easily evaluate the durability or a similar quality of the welded portion of the battery module frame by providing constraints similar to a situation in which a swelling phenomenon occurs in a battery cell in the battery module frame.

Abstract: The present invention relates to: a composition for stabilizing a radiopharmaceutical, the composition comprising a vitamin B compound as an active component; and a radiopharmaceutical composition comprising the same. Due to the inclusion of the vitamin B compound, it is possible to stabilize the radiochemical purity of the radioactive compound by inhibiting the radioactive degradation thereof at room temperature as well as at high temperature.

Abstract: The present invention relates to a battery module simulation system and method for easily implementing pressure and temperature conditions in a battery module by easily changing the pressure and temperature applied to a battery cell in a pressure measurement test of the battery cell.

Abstract: The present invention relates to a foreign substance detection method, and an apparatus and a system therefor. A foreign substance detection method in a wireless power transmitter, according to an embodiment of the present invention, may comprise the steps of: if an object placed in a charging area is detected, searching for a current peak frequency with a maximum quality factor value in an available frequency band; receiving, from a wireless power receiver, a foreign substance detection state packet including a reference peak frequency; determining a foreign substance detection reference frequency on the basis of the reference peak frequency; and determining whether or not a foreign substance is present by comparing the current peak frequency with the foreign substance detection reference frequency. Therefore, the present invention has an advantage of being capable of detecting a foreign substance more effectively and accurately.

Abstract: Disclosed is a method and apparatus for testing a liveness, where the liveness test method includes receiving a color image and a photodiode (PD) image of an object from an image sensor comprising a pixel formed of a plurality of PDs, preprocessing the color image and the PD image, and determining a liveness of the object by inputting a result of preprocessing the color image and a result of preprocessing the PD image into a neural network.

Abstract: A method with liveness testing may include: acquiring an infrared (IR) image including an object, and a depth image including the object; generating a first preprocessed IR image by performing first edge enhancement preprocessing on the IR image; generating a preprocessed depth image by performing second edge enhancement preprocessing on the depth image; and determining whether the object is a genuine object based on the first preprocessed IR image and the preprocessed depth image.

Abstract: A battery module includes a plurality of secondary batteries, each including an electrode assembly and an electrolyte accommodated in an inner space of an exterior case. The battery module also includes an electrode lead having a body and a plate-shaped head portion. A first end of the body is electrically connected to a positive electrode plate or a negative electrode plate of the electrode assembly, and a second end of the body protrudes outward from the exterior case. The plate-shaped head extends in both directions perpendicular to the protruding direction of the body from the second end. The battery module also includes a bus bar having a plate shape with a slit extending inwardly from one end thereof so as to receive a portion of the body. The electrode lead and the bus bar may be at least partially made of an electrically conductive material.

Abstract: A method of controlling a power receiver. The method includes entering a negotiation phase with a power transmitter including transmitting a foreign object detection status packet including at least one of a reference quality factor and a reference quality factor peak frequency to the power transmitter, and receiving a NAK response from the power transmitter indicating the power transmitter has detected the foreign object is present based on the foreign object detection status packet or receiving an ACK response from the power transmitter indicating the power transmitter has detected the foreign object is not present based on the foreign object detection status packet; and entering a power transfer phase including receiving a first power from the power transmitter in response to the received NAK response and receiving a second power greater than the first power in response to the received ACK response.

Abstract: The present disclosure discloses a fluoroalkyl glycerin derivative usable as an excellent surfactant by having functional groups and the number of carbon atoms controlled in the molecular structure, and its use as a surfactant. A fluoroalkyl glycerin derivative according to the present disclosure is used as a fluorine-based nonionic surfactant, and replaces existing fluoro compounds as well as having excellent surfactant properties compared to existing surfactants having a linear alkyl group.