Abstract: The present disclosure provides for sequentially turning on a plurality of power conversion modules according to the magnitude of load power at the time of driving the power conversion modules, operating power conversion modules which have already been turned on in an optimum efficiency interval, and providing increased load power through a power conversion module which has been newly turned on.

Abstract: Disclosed herein are a method for access control using real-time positioning technology and a device using the same. According to a positioning method of a positioning module, the positioning module is configured to measure a location of at least one location-unrecognized device and a location of a terminal, wherein the at least one location-unrecognized device, the terminal and at least one location-recognized device is located in a certain zone, and wherein the positioning module has coordinate information of the at least one location-recognized device and the positioning module has not coordinate information of the at least one location-unrecognized device.

Abstract: Provided are a method for preparing a catalyst composition for preparing a catalyst composition having improved catalyst activity by pre-treating a hydrogen-bonded lanthanide rare earth element compound and/or an oligomer type of a lanthanide rare earth element compound of Formula 1, which induce the deterioration of the catalyst activity, and a method for preparing a conjugated diene-based polymer using the catalyst composition prepared thereby, wherein all the variables are described herein.

Abstract: A semiconductor device and a method of manufacturing a semiconductor device. As a non-limiting example, various aspects of this disclosure provide a stackable semiconductor device with small size and fine pitch and a method of manufacturing thereof.

Abstract: The present invention relates to a hot-rolled steel sheet that can be suitably applied to an automobile chassis structure member or the like and, more specifically, to an ultrahigh-strength hot-rolled steel sheet having tensile strength of 1180 MPa or more, excellent formability, and uniform material distribution in the steel sheet, and a manufacturing method therefor.

Abstract: A display device includes a first substrate including an open portion, a first barrier insulating layer disposed on the first substrate and including a first contact hole overlapping the open portion, a first fan-out line disposed on the first barrier insulating layer, a pad part integrally formed with the first fan-out line and exposed through the open portion, a second substrate disposed on the first fan-out line, a connection part disposed on the second substrate and connected to the first fan-out line, a second fan-out line disposed on a layer between the first fan-out line and the connection part and connected to the connection part, a data line disposed on the same layer as the connection part and electrically connected to the second fan-out line, a flexible film including a lead electrode, and a contact part electrically connecting the lead electrode and the pad part.

Abstract: An electronic device having a display and a sensor and methods for operating the same are provided. The electronic device includes a housing, a display disposed on a surface of the housing, a sensor mounted under the display inside the housing to detect light received through the display, and a processor electrically connected with the display and the sensor, wherein the processor is configured to determine an illuminance of an outside of the housing using detection data obtained by the sensor while the display displays an image and relevant information between the display and the sensor.

Abstract: An electronic device having a display and a sensor and methods for operating the same are provided. The electronic device includes a housing, a display disposed on a surface of the housing, a sensor mounted under the display inside the housing to detect light received through the display, and a processor electrically connected with the display and the sensor, wherein the processor is configured to determine an illuminance of an outside of the housing using detection data obtained by the sensor while the display displays an image and relevant information between the display and the sensor.

Abstract: An electronic device having a display and a sensor and methods for operating the same are provided. The electronic device includes a housing, a display disposed on a surface of the housing, a sensor mounted under the display inside the housing to detect light received through the display, and a processor electrically connected with the display and the sensor, wherein the processor is configured to determine an illuminance of an outside of the housing using detection data obtained by the sensor while the display displays an image and relevant information between the display and the sensor.

Abstract: The present invention relates to a polymer resin composition that is capable of providing an environmentally friendly biomass-containing synthetic resin having improved chemical resistance. The present invention provides a polymer resin composition including: a polyester copolymer including a residue of a dicarboxylic acid component containing terephthalic acid, and a residue of a diol component including dianhydrohexitol; and one or more copolymers selected from the group consisting of an unsaturated nitrile-diene-based rubber-aromatic vinyl graft copolymer, an alkyl methacrylate-diene-based rubber-aromatic vinyl graft copolymer, and an alkyl methacrylate-silicone/alkyl acrylate graft copolymer, and which has a tensile strength loss defined in the following Equation 1 ranging from 0.5 to 30%.

Abstract: The three-dimensional scattered radiation imaging apparatus of the present invention includes: a detection unit which includes a first detector for detecting the position and energy of radiation irradiated from a radiation source and scattered from a subject, a second detector for detecting the position and energy of radiation scattered from the first detector, and a third detector for detecting the position and energy of radiation scattered from the second detector; a signal processing unit for receiving, from the first detector, the second detector, and the third detector of the detection unit, information on the positions and energy of the radiation detected by the first detector, the second detector, and the third detector of the detection unit; and an image processing unit for receiving information from the signal processing unit and displaying the information as an image.

Abstract: Disclosed is a resin composition for forming a steering wheel remote control bezel. The resin composition comprises: an amount of about 40 to 50 wt % of a polyester copolymer including a dicarboxylic acid component residue including terephthalic acid and a diol component residue including dianhydrohexitol; an amount of about 10 to 20 wt % of at least one copolymer selected from a group consisting of unsaturated nitrile-diene-based rubber-aromatic vinyl grafted copolymers and alkylmethacrylate-diene-based rubber-aromatic vinyl grafted copolymers; and an amount of about 40 to 50 wt % of polycarbonate. Further, an amount of 0.1 to 0.5 parts by weight of a phosphate base antioxidant-based on 100 parts by weight of the resin composition is further added to the resin composition.

Abstract: The present invention relates to a polymer resin composition including: one or more copolymers selected from the group consisting of an unsaturated nitrile-diene-based rubber-aromatic vinyl graft copolymer, an alkyl methacrylate-diene-based rubber-aromatic vinyl graft copolymer, and an alkyl methacrylate-silicone/alkyl acrylate graft copolymer; a polyester resin; a polycarbonate resin; and a block copolymer including two or more alkylene-based repeating units having 2 to 10 carbon atoms and an aromatic vinyl-based repeating unit, and a molded article thereof. According to the present invention, a polymer resin composition providing an environment-friendly biomass-containing synthetic resin representing improved chemical resistance, and a polymer resin molded article obtained using the same may be provided.

Abstract: An apparatus for measuring noise includes: a signal generator configured to input an input signal having an excitation frequency to an audio device; and a controller configured to measure rattle noise from a sound pressure signal generated in response to the input signal. The controller measures the rattle noise by comparing a frequency component of the sound pressure signal with a masking curve corresponding to the excitation frequency.

Abstract: The present invention relates to parts for automobiles, electrical/electronic devices, home appliances, office equipment, or daily necessities, which are manufactured by using a polymer resin composition that is capable of providing an environmentally friendly biomass-containing synthetic resin having improved chemical resistance.

Abstract: An electronic device having a display and a sensor and methods for operating the same are provided. The electronic device includes a housing, a display disposed on a surface of the housing, a sensor mounted under the display inside the housing to detect light received through the display, and a processor electrically connected with the display and the sensor, wherein the processor is configured to determine an illuminance of an outside of the housing using detection data obtained by the sensor while the display displays an image and relevant information between the display and the sensor.

Abstract: Provided are components for vehicles, electric/electronic products, home appliances, office equipments or household items, which are manufactured using a high heat resistant polymer resin composition capable of providing an environmentally friendly biomass-containing synthetic resin which exhibits improved chemical resistance.

Abstract: The present invention relates to a polycyclohexylenedimethylene terephthalate resin composition having improved reflectivity, heat resistance, and yellowing resistance. The resin composition according to one embodiment of the present invention includes 40 to 95 wt % of polycyclohexylenedimethylene terephthalate resin; 1 to 50 wt % of a white pigment; and 1 to 50 wt % of a filler, and the amount of germanium (Ge) atoms remaining in the resin is 30 to 1,000 ppm based on the weight of the resin.

Abstract: An apparatus for measuring noise includes: a signal generator configured to input an input signal having an excitation frequency to an audio device; and a controller configured to measure rattle noise from a sound pressure signal generated in response to the input signal. The controller measures the rattle noise by comparing a frequency component of the sound pressure signal with a masking curve corresponding to the excitation frequency.