Abstract: A piezoelectric element driving apparatus may apply a predetermined driving signal to a piezoelectric element to drive the piezoelectric element. The driving signal may be an asymmetrical waveform in which amplitudes of first and second polarities thereof are different from each other. An exemplary embodiment in the present disclosure may provide a piezoelectric element driving apparatus and method having a high output while protecting dielectric characteristics of a piezoelectric element by driving the piezoelectric element using an asymmetrical driving signal.

Abstract: A method by which a base station supports the removal of an interference signal from a reception signal of a terminal in a wireless communication system, according to one embodiment of the present invention, comprises the steps of receiving, from the terminal, information on capability relating to carrier aggregation (CA); determining a method for removing an interference signal of the terminal, on the basis of information on the capability relating to the CA; and transmitting, to the terminal, the determined interference signal removal method, wherein the information on the capability relating to the CA can include a CA bandwidth class and MIMO capability of the terminal for the respective bands of respective band combinations for the CA.

Abstract: The present disclosure relates to a fixed quantity discharge device for a liquid container, more specifically a fixed quantity discharge device for a liquid container which includes a contents suction tube extended into the inside of the container body for enabling a pipette tube to be inserted and drawn so as to make the lower end of the pipette tube be exposed to the contents, thus preventing contamination of the pipette tube, and a piston provided in the container body so as to rise as the contents are consumed, thus minimizing the residual contents in the container body.

Abstract: A flexible display apparatus includes a first functional layer, a second functional layer above the first functional layer, a third functional layer above the second functional layer, a first adhesive layer between the first functional layer and the second functional layer, and having a first recovery rate, and a second adhesive layer between the second functional layer and the third functional layer, and having a second recovery rate that is lower than the first recovery rate.

Abstract: An organic light emitting display apparatus including a substrate including a plurality of pixel areas; a pixel electrode on the substrate; an opposite electrode on the pixel electrode, the opposite electrode transmitting light; an organic light emitting layer between the pixel electrode and the opposite electrode, the organic light emitting layer emitting a first light toward the opposite electrode; a light emitting layer on the opposite electrode, the light emitting layer absorbing a portion of the first light and emitting a second light; and a sealing layer on the light emitting layer, the sealing layer sealing the pixel electrode, the opposite electrode, the organic light emitting layer, and the light emitting layer.

Abstract: A method is provided for transmitting, by a User Equipment (UE), a Device-to-Device (D2D) signal in a Long Term Evolution (LTE) Time Division Duplex (TDD) system. The UE receives, from a Base Station (BS), information on a Timing Advance (TA). The UE acquires a timing of an uplink (UL) subframe by applying the TA and a predetermined timing offset to a timing of a downlink (DL) subframe. The UE transmits a D2D discovery signal in a first D2D subframe configured for a D2D link. A transmission timing of the first D2D subframe is determined by applying only the predetermined timing offset to the timing of the DL subframe.

Abstract: A toothbrush comprises a plurality of bristles, each of which comprises an upper part and a lower part, wherein toughness of the lower part is smaller than the toughness of the upper part, an enrooting member into which the bristles are enrooted, wherein the enrooting member comprises a plurality of enrooting holes that receive the plurality of bristles, wherein each of enrooting hole comprises an enrooting recess that receives the lower part of the bristle. A method of manufacturing a toothbrush comprises steps of cutting a predetermined length from a plastic wire; processing the cut wire into a bristle having an upper part and a lower part, wherein toughness of the lower part is smaller than the toughness of the upper part; and enrooting the bristles into a plurality of enrooting holes of the enrooting member.

Abstract: The invention described in the present specification relates to a color conversion film including: a substrate; a color conversion layer provided on the substrate; and a pressure-sensitive adhesive or adhesive layer provided on the color conversion layer, in which the color conversion layer includes an organic fluorescent material dispersed therein and the pressure-sensitive adhesive or adhesive layer includes light diffusion particles dispersed therein, a backlight unit including the same, and a display device including the same.

Abstract: A method of receiving uplink control information is provided at a communication apparatus configured with a plurality of cells including a first cell and a second cell in a wireless communication system. A first set of one or more Physical Downlink Shared Channel (PDSCH) signals is transmitted within M downlink subframes through the first cell, where M?1. A second set of zero or more PDSCH signals is transmitted within N downlink subframes through the second cell, where N?1. The communication apparatus receives acknowledgment information on an uplink subframe, the acknowledgment information including acknowledgment information for the first set and acknowledgment information for the second set.

Abstract: In accordance with an example aspect of the present disclosure, a method for providing content information in a communication system is provided. The method includes obtaining consumption information relating to consumption of content; recording the consumption information in a recording area of the content to manage the content; and outputting the content and the consumption information if a request event to request the content is detected.

Abstract: A communication method in a wireless communication system, the method includes receiving a first control channel including first scheduling information on a first physical downlink shared channel (PDSCH); receiving a second control channel including second scheduling information on a second PDSCH; determining whether the first PDSCH and the second PDSCH are scheduled to be overlapped on at least one subframe; and determining which one of the first PDSCH and the second PDSCH is to be received on the at least one overlapped subframe.

Abstract: There is disclosed a refrigerator; a lighting device provided in the storage chamber, a first door rotatably coupled to the case to open and close the storage chamber, an auxiliary storage chamber provided in the first door, a second door, a front panel formed of a transparent material, an evaporation treatment unit evaporated on an overall back surface of the front panel to transmit lights partially, a variable transparency film attached to a back surface of the evaporation treatment unit provided in the front panel to get transparent when the power is supplied, a frame unit with an opening having a corresponding size to an opening provided in the first door, an insulation panel distant from the front panel, a power supply unit for supplying an electric power to the variable transparency film and the lighting device, a proximity sensor provided in the second door to sense a user's approaching.

Abstract: A power supply system has a lithium battery. The system includes an uninterruptible power supply (UPS) connected between a commercial power source and a device of a first type. A lithium battery is connected to the uninterruptible power supply. A voltage drop protector (VDP) is connected to the lithium battery and connected between the commercial power source and a device of a second type. Tolerable error thresholds for a voltage and frequency required for the device of the first type are smaller than tolerable error thresholds for voltage and frequency required for the device of the second type.

Abstract: A wireless communication system is disclosed. A method for transmitting uplink control information in a wireless communication system supporting carrier aggregation and operating in TDD includes: generating a first HARQ-ACK (hybrid automatic repeat request-acknowledgement) set for a first cell using a value M; generating a second HARQ-ACK set for a second cell using the value M; and transmitting a bit value corresponding to a third HARQ-ACK set including the first HARQ-ACK set and the second HARQ-ACK set in an uplink subframe n, wherein M=max(M1, M2), max(M1, M2) representing a value being equal to or larger than not smaller between M1 and M2, wherein M1 corresponds to the number of downlink subframes corresponding to the uplink subframe n in the first cell, and M2 corresponds to the number of downlink subframes corresponding to the uplink subframe n in the second cell, wherein the first cell and the second cell have different UL-DL configurations.

Abstract: An egomotion estimation system may include: a stereo camera suitable for acquiring a stereo image; a map generation unit suitable for generating a depth map and a disparity map using the stereo image; a feature point extraction unit suitable for extracting a feature point from a moving object in the stereo image using the disparity map; a motion vector detection unit suitable for detecting a motion vector of the extracted feature vector point; an error removing unit suitable for removing an error of the detected motion vector; and an egomotion determination unit suitable for calculating and determine an egomotion using the error-removed motion vector.

Abstract: A method for controlling an upload size of data by a device is provided. The method includes determining whether to change a size of data to be uploaded based on a policy of an upload target server, upon determining to change the size of the data to be uploaded, determining an initial transfer size of the data, and uploading a part of the data corresponding to the determined initial transfer size, updating an upload result of the partial data in an upload history, and determining a next transfer size for the data depending on a reception result of the part of the data from the upload target server for a period obtained from the policy.

Abstract: An organic light emitting display device is provided. The organic light emitting display device may include at least one light emitting part between an anode and a cathode, and the at least one light emitting part having at least one organic layer and a light emitting layer, wherein the at least one organic layer comprises a compound represented by Chemical Formula 1 or 2.

Abstract: A method is provided for preparing a catecholamine-based compound by using plasma polymerization, and more specifically, to a method for artificially synthesizing various catecholamines, that is, monomolecular compounds capable of having a hydroxyl group (—OH) as an ortho group of a benzene ring and various alkylamines as a para group thereof from a catecholamine precursor material such as phenol or aniline by using dry plasma polymerization.

Abstract: A deformable display device is provided. The deformable display device includes a deformable display, a sensor which senses a deformation located in a first area of the deformable display and a second area of the deformable display and a controller which receives deformation information corresponding to the deformation, determines whether to identify one of only the first area and only the second area as a deformation area of the deformation based on the deformation information, and identifies i) only the first area as the deformation area if it is determined to identify only the first area and ii) only the second area as the deformation area if it is determined to identify only the second area.