Abstract: A display device includes: a plurality of pixels, each being coupled to a corresponding data line among a plurality of data lines and a corresponding scan line among a plurality of scan lines; a scan driver to supply a scan signal to the scan lines; a sensor coupled to the pixels and the data lines and configured to detect a sensing current according to a test signal input to the data lines; and a controller configured to detect a pixel current of a pixel corresponding to a scan line to which the scan signal is supplied, by using a first sensing current corresponding to a first pixel and a second sensing current corresponding to a second pixel, when the scan signal is selectively supplied to a first scan line coupled to the first pixel and a second scan line coupled to the second pixel.

Abstract: A display device according to an embodiment of the present invention includes: a pixel configured to emit light according to a data signal supplied to a data line, a power source voltage supplier configured to supply a power source voltage to the pixel, a driving transistor configured to drive the pixel to be emitted according to the data signal and the power source voltage, and a sensor configured to supply a test signal to a data line and to detect a sensing current flowing to the data line through the driving transistor according to the test signal.

Abstract: A driver for semiconductor memory, comprising: a storage unit configured to match and store a memory cell address and bucket charge current data corresponding to the memory cell address; a selection controller configured to receive the memory cell address and a target charge current data, and output a bucket charge current select signal and a target charge current select signal corresponding to the bucket charge current data and the target charge current data, respectively, by referring to the storage unit; and a current supply unit configured to supply a bucket charge current and a target charge current in response to the bucket charge current select signal and the target charge current select signal, respectively.

Abstract: A non-linear gamma compensation current mode digital-analog converter includes: a first digital-analog converter block configured to: receive a digital signal, a first reference voltage, and a gamma adjustment voltage, and provide a reference current to a ground, wherein a first current flowing to a first current output terminal is determined according to the digital signal and the gamma adjustment voltage; and a second digital-analog converter block configured to: receive the digital signal, a second reference voltage, and a ground voltage, and provide the first current to the first digital-analog converter, wherein a second current flowing to a second current output terminal is determined according to the digital signal and the first current.

Abstract: A switching circuit, a charge sense amplifier, and a photon counting device are provided. The switching circuit configured to close and open a connection between a first terminal and a second terminal of a predetermined circuit element, includes: a first transistor comprising a source connected to the first terminal, a drain connected to the second terminal, and a gate; a second transistor comprising a drain, a source, and a gate connected to the drain of the second transistor; a current source configured to supply a current flowing through the drain and the source of the second transistor, to generate a gate voltage of the gate of the second transistor; and a multiplexer configured to receive the gate voltage, a reference voltage, and a control signal, and selectively apply the gate voltage or the reference voltage to the gate of the first transistor based on the control signal.

Abstract: A driver for a semiconductor memory includes: a selection controller configured to output a target charge current select signal and a bucket charge current select signal in response to an inputted memory cell address and a target charge current value and a bucket charge current value, which are to be applied to a memory cell of the memory cell address; a current supply unit configured to supply a target charge current to the memory cell of the memory cell address in response to the target charge current select signal; and a bucket charge current supply unit configured to supply a bucket charge current to the memory cell of the memory cell address, in order to pre-charge the memory cell of the memory cell address in response to the bucket charge current select signal.

Abstract: An ultra slim power supply device for supplying power to an electric vehicle in a contactless manner includes at least one power supply track buried in a road. Each power supply track includes a plate-shaped magnetic core extending along the road, a plate or strip shaped magnetic field generator arranged above the magnetic core through which an alternating current is supplied to generate a magnetic field, a plate or strip shaped insulating body positioned between the magnetic core and the magnetic field generator to isolate them from each other, and a housing for enclosing the magnetic core, the magnetic field generator and the insulating body.

Abstract: An organic light emitting display device includes pixels positioned at crossing regions between data lines and scan lines, each of the pixels including an organic light emitting diode, a scan driver configured to supply a scan signal to scan lines, a data driver configured to drive the data lines, wherein the data driver includes, in each channel, a supply part comprising a digital-to-analog converter configured to generate data signals using second data supplied from outside in a driving period, and a deterioration part configured to measure deterioration information of the organic light emitting diode using the digital-to-analog converter in a sensing period.

Abstract: A wireless electric power receiver for receiving wireless electric power from a wireless electric transmitter is provided. The wireless electric power receiver includes an electric power receiving unit that receives wireless electric power from the wireless electric power transmitter; a rectifying unit that rectifies wireless electric power in the form of alternating current output from the wireless electric power receiving unit and outputs rectified electric power; and an electric power regulation unit that receives an input of the rectified electric power, outputs first electric power which has a lower value of a first voltage than that of the rectified electric power for a first period, and does not output electric power for a second period, so as to output electric power with a predetermined voltage value.

Abstract: A wireless electric power receiver for receiving wireless electric power from a wireless electric transmitter is provided. The wireless electric power receiver includes an electric power receiving unit that receives wireless electric power from the wireless electric power transmitter; a rectifying unit that rectifies wireless electric power in the form of alternating current output from the wireless electric power receiving unit and outputs rectified electric power; and an electric power regulation unit that receives an input of the rectified electric power, outputs first electric power which has a lower value of a first voltage than that of the rectified electric power for a first period, and does not output electric power for a second period, so as to output electric power with a predetermined voltage value.

Abstract: A driver for a semiconductor memory includes: a selection controller configured to output a target charge current select signal and a bucket charge current select signal in response to an inputted memory cell address and a target charge current value and a bucket charge current value, which are to be applied to a memory cell of the memory cell address; a current supply unit configured to supply a target charge current to the memory cell of the memory cell address in response to the target charge current select signal; and a bucket charge current supply unit configured to supply a bucket charge current to the memory cell of the memory cell address, in order to pre-charge the memory cell of the memory cell address in response to the bucket charge current select signal.

Abstract: The present invention relates to a signal detection system of a touch screen, and more particularly to a signal detection system of a large-sized mutual capacitive multi touch screen that is capable of effectively reducing RC time delay, signal distortion, an effect of noise, parasitic resistance, and parasitic capacitance.

Abstract: There is provided a linear amplifier capable of suppressing a reduction in bandwidth and reducing a ripple voltage by using a source follower and a local feedback loop. The linear amplifier includes an amplifier amplifying an input signal according to a difference in signal level between the input signal and a feedback signal, and a buffer buffering a signal amplified in the amplifier by a source follow method, suppressing a reduction in bandwidth of the signal, outputting the signal, and providing the bufferred signal to the amplifier as the feedback signal.

Abstract: A switching circuit, a charge sense amplifier, and a photon counting device are provided. The switching circuit configured to close and open a connection between a first terminal and a second terminal of a predetermined circuit element, includes: a first transistor comprising a source connected to the first terminal, a drain connected to the second terminal, and a gate; a second transistor comprising a drain, a source, and a gate connected to the drain of the second transistor; a current source configured to supply a current flowing through the drain and the source of the second transistor, to generate a gate voltage of the gate of the second transistor; and a multiplexer configured to receive the gate voltage, a reference voltage, and a control signal, and selectively apply the gate voltage or the reference voltage to the gate of the first transistor based on the control signal.

Abstract: There is provided an organic light emitting diode driver capable of compensating for pixel deterioration in real time during the driving of pixels by selectively compensating pixels, requiring compensation, for the deterioration thereof, and precisely setting calibration data by removing an IR drop across a transistor, employed as a switch in the pixels, by calculating a difference between at least two representative values of different gray scale ranges among predetermined gray scale ranges.

Abstract: The present invention relates to a space-division multiple power feeding and collecting apparatus, and more specifically to a space-division multiple power feeding and collecting apparatus which is composed of multiple power feeding type lines using phase division, time division or frequency division and the like along a traveling direction of a moving body and receives electric power therethrough so as to feed the electric power to and to collect electric power from various moving bodies of a vehicle, and underwater moving body or a robot and the like in a non-contact manner.

Abstract: A digital-to-analog converter includes a voltage-to-current converter, a current-mode digital-to-analog converter and an operational amplifier. The voltage-to-current converter generates a first current signal, and the current-mode digital-to-analog converter generates a second current signal. The operational amplifier modulates a drain current in response to the second current signal and generates an output signal having an offset.

Abstract: According to example embodiments, an image sensor includes a charge sensing amplifier configured to amplify charges sensed by a sensing unit. The charge sensing amplifier includes an input terminal, an amplification terminal, an output terminal, a first capacitor connected between the input terminal and the amplification terminal, a first switch connected between the input terminal and the amplification terminal, a second capacitor connected between the amplification terminal and the output terminal, and a second switch connected between the output terminal and a reference voltage terminal.

Abstract: A wireless power receiver for wirelessly receiving a supply of power from a wireless power supplier is disclosed. The wireless power receiver includes a power reception unit for wirelessly receiving wireless power from the wireless power supplier; a rectifier for rectifying the wireless power into power including a DC waveform; a power adjustor for configuring a closed loop with the power reception unit for a first period and transferring the wireless power to the rectifier for a second period to adjust a size of the wireless power; and a controller for determining the first period and the second period, wherein the power adjustor is electrically connected to the power reception unit and the rectifier.

Abstract: An apparatus for distinguishing an energy band of a photon in a readout circuit that counts photons in multi-energy radiation incident onto a sensor for each energy band includes an integrator configured to accumulate an electric signal received from the sensor that has undergone photoelectric conversion from the photon; a comparator configured to compare an accumulated electric signal received from the integrator with one of a plurality of threshold values; and a signal processor configured to instruct sequential switching from one of the plurality of threshold values to another one of the plurality of threshold values according to a result of a comparison received from the comparator; and output a digital signal that distinguishes an energy band of the photon based on results received from the comparator of sequential comparisons of the accumulated electric signal with the plurality of threshold values.