Abstract: The present invention relates to a wireless power control method for wireless charging, and an apparatus therefor. A wireless power control method for a wireless power transmission apparatus that wirelessly transmits power to a wireless power reception apparatus according to an embodiment of the present invention may comprise the steps of: measuring the magnitude of a current flowing in a resonant circuit when power is being transmitted to the wireless power reception apparatus; comparing the measured magnitude of the current with a predetermined threshold so as to determine whether the impedance of the resonant circuit needs to be adjusted; and adjusting the impedance by altering the total inductance value of the resonant circuit if it is necessary to adjust the impedance according to the determination result. As a result, the present invention can efficiently prevent the wireless power transmission apparatus from radiating heat.

Abstract: The present invention relates to a wireless power control method and device for wireless charging, and the wireless power control method of a wireless power transmitter according to an embodiment of the present invention may comprise: a step of receiving, from a wireless power receiver, a first feedback signal requesting power control; a step of determining the intensity of a first transmission power on the basis of the first feedback signal; a step of determining an inverter type and a power control method which correspond to the determined intensity of the first transmission power; a step of activating an inverter corresponding to the determined inverter type; and a step of controlling the intensity of alternating current power outputted from the inverter, by using the determined power control method.

Abstract: The present invention relates to a method for detecting foreign material, and an apparatus and a system therefor, and a method for detecting foreign material in a wireless power transmitter, according to one embodiment of the present invention, comprises the steps of: measuring a quality factor value, which corresponds to a reference operation frequency, when an object is sensed; searching for a current peak frequency having a maximum quality factor value within an operation frequency band; receiving, form a wireless power receiver, a foreign material detection state packet including information on a reference peak frequency; correcting the measured quality factor value by using a difference value between the current peak frequency and the reference peak frequency; and determining whether the foreign material exists by comparing the corrected quality factor value with a predetermined quality factor threshold value.

Abstract: The present invention relates to a foreign object (FO) detection method for wireless charging, and a device and a system therefor. The FO detection method on a wireless power transmitter, according to one embodiment of the present invention, may comprise the steps of: receiving a second packet comprising a second reference quality factor value; determining a threshold by using the second reference quality factor value; measuring the current quality factor value; and detecting an FO on the basis of the threshold and the current quality factor value. Thus, the present invention has the advantage of enabling an FO to be more effectively detected.

Abstract: A transfer device comprising: a transfer coil; a power converter for providing transmission power to the transfer coil; and a controller for receiving, from a reception device, allowable reception power information and a control error value so as to control the power converter, wherein the controller determines new transmission power on the basis of the control error value and determines whether to output the new transmission power on the basis of the allowable reception power.

Abstract: Disclosed is an organic light emitting display device which includes an auxiliary line connected to a first power line and an auxiliary electrode connected to a second power line, thereby lowering a line resistance of each of the first and second power lines. The organic light emitting display device includes a substrate, a thin film transistor (TFT) disposed on the substrate, a first power line disposed in a first layer including the source electrode and the drain electrode of the TFT, a second power line disposed over the first layer, an auxiliary line disposed in a second layer including the second power line, an anode electrode disposed on the second power line and the auxiliary line and electrically connected to the drain electrode, an organic layer disposed on the anode electrode, and a cathode electrode covering the organic layer and electrically connected to the second power line.

Abstract: Disclosed is an organic light emitting display device which includes an auxiliary line connected to a first power line and an auxiliary electrode connected to a second power line, thereby lowering a line resistance of each of the first and second power lines. The organic light emitting display device includes a substrate, a thin film transistor (TFT) disposed on the substrate, a first power line disposed in a first layer including the source electrode and the drain electrode of the TFT, a second power line disposed over the first layer, an auxiliary line disposed in a second layer including the second power line, an anode electrode disposed on the second power line and the auxiliary line and electrically connected to the drain electrode, an organic layer disposed on the anode electrode, and a cathode electrode covering the organic layer and electrically connected to the second power line.

Abstract: An electronic shelf label tag includes a communications unit configured to wirelessly communicate with an electronic shelf label repeater; a control unit configured to control operations including receiving display data including display information mapped to a display information index from the communications unit prior to a preset time, storing the display data, receiving change command data including the display information index from the communications unit after the preset time, retrieving the display information mapped to the display information index included in the change command data from the stored display data, and displaying the retrieved display information on a screen; a memory unit configured to store the display data including the display information mapped to the display information index under the control of the control unit; and a display unit configured to display the retrieved display information on the screen under the control of the control unit.

Abstract: Provided is a photo active layer for a solar cell or a light emitting diode and a fabricating method thereof. The photo active layer is formed by alternately stacking silicon quantum dot layers in which a plurality of silicon quantum dots containing conductive type impurities are formed in a medium, which is a silicon compound, and conductive layers, which are polycrystalline silicon layers, containing the same conductive type impurities as those of the silicon quantum dots.

Abstract: An electronic shelf label tag includes a communications unit configured to wirelessly communicate with an electronic shelf label repeater; a control unit configured to control operations including receiving display data including display information mapped to a display information index from the communications unit prior to a preset time, storing the display data, receiving change command data including the display information index from the communications unit after the preset time, retrieving the display information mapped to the display information index included in the change command data from the stored display data, and displaying the retrieved display information on a screen; a memory unit configured to store the display data including the display information mapped to the display information index under the control of the control unit; and a display unit configured to display the retrieved display information on the screen under the control of the control unit.

Abstract: An electronic shelf label tag includes a communications unit configured to perform wireless communications; a control unit configured to receive and store reservation data before a reserved display time by requesting the reservation data including display information corresponding to the reserved display time through the communications unit and control displaying of corresponding display information included in the reservation data when a current time reaches the reserved display time; a memory unit configured to store the reservation data including the display information corresponding to the reserved display time; and a time management unit configured to provide current time information to the control unit. The control unit may further receive reservation change information on corresponding reservation data before the reserved display time ends and applies the reservation change information to the corresponding reservation data.

Abstract: A top emission OLED includes a driving TFT including a channel region and source and drain electrodes. A power supply, a ground line, and a light emitting diode are electrically coupled to the TFT and an auxiliary electrode is electrically coupled to the ground line and to the source electrode of the driver transistor. The auxiliary electrode resides between the light emitting diode and the channel region of the driver transistor and is configured to shield the channel region of the driver transistor from an electric field generated by the light emitting diode.

Abstract: An apparatus and method for adjusting a white balance, and more particularly, an apparatus and method for adjusting a white balance of an image captured with a complex light source are provided. The apparatus includes a camera unit, and a controller for controlling recognition of a facial image from an image captured by the camera unit and, if it is determined that the image has been captured with a complex light source based on a comparison between a white balance gain calculated based on a facial skin color of the recognized facial image and a white balance gain calculated based on a white balance scheme, for adjusting a white balance of the captured image based on a final white balance gain extracted by interpolating the two white balance gains.

Abstract: There are provided a machine-to-machine (M2M) server and a data processing method thereof. The M2M server includes: a receiving unit receiving a plurality of pieces of sensor data from a plurality of M2M devices; a combining unit combining the plurality of pieces of sensor data transferred from a receiving unit with each other according to a preset profile; and a transmitting unit transmitting the combined pieces of sensor data.

Abstract: Provided is a manufacturing method of a semiconductor quantum dot-sensitized solar cell. More particularly, the manufacturing method according to the present invention includes: a quantum dot forming step of forming a semiconductor layer containing a group 4 element and InP on a substrate and then performing heat-treatment on the substrate including the semiconductor layer formed thereon to remove indium (In) therefrom, thereby forming an n-type semiconductor quantum dot, which is a group 4 element quantum dot doped with phosphorus (P).

Abstract: An method of fabricating an organic electroluminescent device includes forming a switching element and a driving element connected to the switching element on a substrate in a pixel region, forming an overcoat layer on the switching element and the driving element, forming a contact layer on the overcoat layer, wherein the contact layer is made of one of molybdenum and indium tin oxide, forming a cathode on the contact layer, the cathode connected to the driving element through the contact layer, forming an emitting layer on the cathode, and forming an anode on the emitting layer.

Abstract: Provided are an apparatus and method for managing digital rights. An agent unit manages application programs to which DRM is to be applied and rights to contents processed by the application programs to which DRM is to be applied, and encrypt and decrypt the contents processed by the application programs. A rights management unit authenticates a user and manages a user right to the contents processed by the application programs. A kernel API hooking unit monitors input/output of a file through hooking kernel native APIs, requests the rights management unit to verify the user right to the contents to be processed, and requests the agent unit to encrypt or decrypt the contents when the user right to the contents to be processed is verified.

Abstract: Provided is a photo active layer for a solar cell or a light emitting diode and a fabricating method thereof. The photo active layer is formed by alternately stacking silicon quantum dot layers in which a plurality of silicon quantum dots containing conductive type impurities are formed in a medium, which is a silicon compound, and conductive layers, which are polycrystalline silicon layers, containing the same conductive type impurities as those of the silicon quantum dots.

Abstract: An organic light emitting diode device includes a gate electrode of a first transistor on a substrate; a gate insulation film on the gate electrode of the first transistor; a source electrode of a second transistor on the gate insulation film and overlapping with the gate electrode of the first transistor; a contact hole exposing the gate electrode of the first transistor and the source electrode of the second transistor; a conductive wiring in the contact hole, for electrically connecting the gate electrode of the first transistor and the source electrode of the second transistor.

Abstract: An organic electroluminescent device including a switching element and a driving element connected to the switching element on a substrate including a pixel region, a cathode connected to the driving element, in which the cathode includes molybdenum (Mo), an emitting layer on the cathode, and an anode on the emitting layer.