Abstract: A display device including a fingerprint sensor including a first layer having at least one photo sensor to generate a fingerprint image corresponding to reflected light from a fingerprint contact surface, light emitting elements to transmit light reflected by the fingerprint, and a second layer including pin holes to allow reflected light to be incident upon the at least one photo sensor; and a fingerprint detector to receive the fingerprint image from the fingerprint sensor, to extract a first image corresponding to a first region of the fingerprint and a second image corresponding to a second region of the fingerprint, to compare the first and second images to determine similarity, and to perform fingerprint authentication, based on similarity determination, where the fingerprint first region is in contact with the fingerprint contact surface and the fingerprint second region is not in contact with the fingerprint contact surface.

Abstract: A lithium secondary battery according to an embodiment of the present invention comprises a cathode and an anode. The cathode comprises lithium metal oxide particles that contains lithium and metal elements. The lithium metal oxide particles have a concentration gradient region formed in at least one region between a center and a surface. A concentration of at least one of the metal elements is changed in the concentration gradient region. The anode comprises an anode active material that contains a silicon-based active material and a carbon-based active material. A content of the carbon-based active material in the anode active material is greater than a content of the silicon-based active material.

Abstract: A semiconductor device and a method for fabricating the same, the device including an active pattern extending in a first direction on a substrate; a field insulating film surrounding a part of the active pattern; a first gate structure extending in a second direction on the active pattern and the field insulating film, a second gate structure spaced apart from the first gate structure and extending in the second direction on the active pattern and the field insulating film; and a first device isolation film between the first and second gate structure, wherein a side wall of the first gate structure facing the first device isolation film includes an inclined surface having an acute angle with respect to an upper surface of the active pattern, and a lowermost surface of the first device isolation film is lower than or substantially coplanar with an uppermost surface of the field insulating film.

Abstract: Proposed is a smart antenna module for a vehicle in which a plurality of cellular antennas are mounted in a non-ground area and spaced apart from a ground pattern to minimize mutual interference. In the proposed smart antenna module for a vehicle, a first antenna is disposed in a ground area of a base substrate, the cellular antennas are disposed in a non-ground area of the base substrate, and the cellular antennas are electrically connected to the ground area of the lower surface of the base substrate.

Abstract: Disclosed is an electronic device. The electronic device according to an embodiment may include an ultrasonic sensor and a processor electrically connected to the ultrasonic sensor. The processor may be configured to obtain a noise signal at a periphery of the electronic device, via the ultrasonic sensor, to determine an attribute of a first ultrasonic signal oscillated by the ultrasonic sensor, based on the obtained noise signal, and to obtain fingerprint information based on the second ultrasonic signal obtained via the ultrasonic sensor and the determined attribute. Moreover, various embodiment found through the disclosure are possible.

Abstract: A fingerprint sensor includes a substrate, a light blocking layer that is on a first surface of the substrate and includes openings in a light blocking mask, and a sensor layer that is on a second surface of the substrate and includes photo sensors. A fingerprint sensing method of the fingerprint sensor includes: storing a calibration image; generating an original image, based on sensing signals from the photo sensors; performing calibration on the original image by utilizing the calibration image; and detecting a fingerprint, based on the calibrated image. The calibration image is generated by synthetizing valid regions extracted from an original calibration image corresponding to the original image.

Abstract: A lithium secondary battery comprises a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separator interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide including a continuous concentration gradient in at least one region between a central portion and a surface portion. The second cathode active material particle includes a constant concentration composition.

Abstract: The present invention suggests a multi-band patch antenna in which an antenna pin is inserted into a single-band patch antenna, so that the multi-band patch antenna requires a minimum mounting space and can resonate in both the existing frequency bands and the V2X frequency band. The suggested multi-band patch antenna comprises: a base substrate through which a first through-hole and a second through-hole are formed; an upper patch and a lower patch arranged on the upper and lower surfaces of the base substrate, respectively; an inner conductor disposed on the inner wall surface of the first through-hole to electrically connect the upper patch to the lower patch; an antenna pin extending through the first through-hole, and including an end part disposed above the base substrate; and a first feed pin extending through the second through-hole.

Abstract: Presented is a UWB antenna module configured to implement omni-directional characteristics with respect to bearings even when mounted on a metal ground plane. The presented UWB antenna module comprises: a base sheet; a radiation pattern formed on a front surface of the base sheet; and a ground pattern formed on the front surface of the base sheet and arranged to surround the radiation pattern.

Abstract: A display device in one example includes a display panel, a supporting frame supporting the display panel, and an adhesive between the display panel and the supporting frame. The supporting frame includes a case, and a thermal shape changing part constituting a portion of the case. The thermal shape changing part includes a shape memory material.

Abstract: A lithium secondary battery comprises a cathode formed from a cathode active material including a first cathode active material particle and a second cathode active material particle, an anode and a separator interposed between the cathode and the anode. The first cathode active material particle includes a lithium metal oxide including a continuous concentration gradient in at least one region between a central portion and a surface portion. The second cathode active material particle includes a constant concentration composition.

Abstract: A method for preventing an inrush current of an electric vehicle charger may include the steps of determining whether there is a need for an increase or decrease in a charging current level while currently supplied to an electric vehicle to be charged; decreasing the charging current level at a predetermined ratio when it is determined that there is the need for the increase or decrease in the charging current level; checking whether an inrush current occurs for a first time; activating or deactivating at least one charging module to increase or decrease the charging current level according to the request of the electric vehicle to be charged, when the inrush current does not occur for the first time; checking whether the inrush current occurs for a second time; and increasing the charging current level by the charging current level requested by the electric vehicle to be charged, when the inrush current does not occur for the second time.

Abstract: Provided is a lithium secondary battery including a cathode containing a cathode active material in which a central part has a different concentration from a surface part, and a conductive material having a specific composition ratio, and specifically, a lithium secondary battery including a cathode containing a cathode active material in which a central part of one or more kinds of metals configuring the cathode active material has a different concentration from a surface part thereof, and two or more kinds of conductive materials mixed at a specific ratio, thereby having excellent stability and high low-temperature characteristic and high output characteristic as compared to a conventional lithium secondary battery.

Abstract: A semiconductor circuit may include a first flip-flop configured to output a first input data as a first output signal in response to an inverted input clock signal, a second flip-flop configured to output a second input data as a second output signal in response to an input clock signal, a glitch-free circuit configured to receive the inverted input clock signal, the input clock signal, the first output signal, and the second output signal, and to determine a voltage level of a node on the basis of the inverted input clock signal, the input clock signal, the first output signal, and the second output signal, and an inverter configured to output an output clock signal obtained by inverting the voltage level of the node determined by the glitch-free circuit. The glitch-free circuit does not include a transistor having a gate connected to the node.

Abstract: Provided are a system and/or method of providing a to-do list of a user. A device for providing a to-do list of a user may include: a communicator configured to communicate with an external device; a display; and a processor configured to determine at least one keyword used to determine at least one task to be performed by the user in the to-do list, based on data obtained by an application executed on the display, generate a keyword list of the determined at least one keyword, and display a graphical user interface (GUI) for selecting at least one of the at least one keyword in the keyword list by controlling the display.

Abstract: Disclosed is a patch antenna in which coupling gaps are formed between a lower patch and feed pins so as to maximize the performance of the antenna. The disclosed patch antenna comprises: a base layer; an upper patch disposed on the upper surface of the base layer; a lower patch disposed on the lower surface of the base layer; and feed pins passing through the base layer, upper patch, and lower patch, wherein the feed pins are spaced from the upper patch and thereby form coupling gaps.

Abstract: A memory device includes a plurality of latches arranged in a plurality of columns including a first column and a second column and in a plurality of rows, a first flip flop configured to output first data, to first latches arranged in the first column, among the plurality of latches, based on a clock, and a second flip flop configured to output second data, to second latches arranged in the second column, among the plurality of latches, based on the clock. The first flip flop is further configured to, in a lock time section in which the first latches and the second latches maintain an output regardless of an input, block output of the first data to the first latches, and the second flip flop is further configured to, in the lock time section, block output of the second data to the second latches.