Abstract: A touch sensing apparatus may include a driving signal generating circuit including a first switch and a second switch and providing driving signals to a first node of a node capacitor, the driving signals being generated by switching operations of the first switch and the second switch, and a C-V converting circuit including a buffer circuit having a first feedback capacitor and a third switch disposed between a second node of the node capacitor and the first feedback capacitor and transferring a charging voltage of the node capacitor to the first feedback capacitor through a switching operation of the third switch to generate an output voltage. The buffer circuit further includes a fourth switch disposed between the second node of the node capacitor and a current source, and the fourth switch is turned on in an off operation section of the third switch.

Abstract: A touch input sensing device includes a sensing electrode, a driver configured to apply a driving signal to the sensing electrode, and a sensor configured to sense a touch input from the sensing electrode and to operate at a frequency higher than that of the driving signal.

Abstract: Disclosed are sensors for detecting a fingerprint and methods of manufacturing the sensor. The sensor for detecting a fingerprint includes a substrate, first conductor lines formed on a surface of the substrate, an insulating layer formed on the first conductor lines, and second conductor lines formed on the insulating layer. A width of the first conductor lines or a width of the second conductor lines is 1-10 ?m.

Abstract: A fingerprint sensing device includes a sensing circuit configured to extract sensing data from nodes included in each of sampling regions of a sensor array. The fingerprint sensing device also includes a control circuit configured to calculate a number of the nodes based on the extracted sensing data to produce sensing data distributions for each of the sampling regions and compare the sensing data distributions with reference distributions, configured to determine that the sampling regions from which the sensing data distributions corresponding to the reference distributions are extracted are effective contact regions, and configured to generate fingerprint information from the sensor array when the number of effective contact regions is greater than or equal to a threshold.

Abstract: An apparatus and method for transmitting a multimedia data packet are provided. The method includes receiving Bottom-up Network Abstraction Layer (B-NAL) information from a network entity, determining a media data quality based on the received B-NAL information and generating media data having the determined media data quality, and generating a packet including the generated media data and transmitting the packet to the network entity.

Abstract: Disclosed are a method of managing power using a wireless charging system, and an apparatus and system therefor. The wireless power management method in a wireless power transmitter for supplying power to at least one user device including a wireless power receiver installed therein includes receiving first to nth state information items corresponding to the at least one user device, respectively, calculating first statistical information based on the first to nth state information items, and transmitting the first statistical information to a server connected via a network. Accordingly, an effective wireless power management method in a wireless charging system is provided.

Abstract: A touchscreen device may include: a panel unit, a driving circuit unit, a sensing circuit unit and a control unit. The control unit may apply a driving signal to a first node capacitor formed at an intersection between a first and a first one of the plurality of sensing electrodes and calibrate gains of the plurality of converter circuit units. Each of the plurality of panel deviation calibration units may calibrate an output signal from the respective one of the plurality of converter circuit units by using a capacitance value of a first capacitor included in the respective one of the plurality of panel deviation calibration units when a driving signal is applied to the first one of the driving electrodes.

Abstract: A capacitance sensing apparatus includes: a driving circuit unit applying a driving signal of a first period to a node capacitor; a first integrating circuit unit integrating voltage charged in the node capacitor to generate output voltage of which a voltage level is changed twice during a second period; a buffer capacitor charged or discharged by the output voltage of the first integrating circuit unit; a second integrating circuit unit integrating voltage charged in the buffer capacitor to generate output voltage of which a voltage level is changed twice during the first period; and an amplifying unit differentially amplifying non-inverted output voltage and inverted output voltage of the second integrating circuit unit, wherein the amplifying unit amplifies voltage corresponding to a difference between the non-inverted output voltage and the inverted output voltage during a reset section of the second integrating circuit unit to generate offset information.

Abstract: There is provided an apparatus for regulating an output voltage, including: a sensing circuit sensing an output voltage from a charge pump; a comparator circuit receiving the output voltage from the sensing circuit so as to compare it with a predetermined reference voltage; and a limiter circuit regulating the output voltage according to an output signal from the comparator circuit.

Abstract: There are provided a touch sensing device and a touchscreen device, the touch sensing device including a plurality of driving electrodes extended in a first axial direction, a plurality of sensing electrodes extended in a second axial direction intersecting with the first axial direction, an integrating circuit unit generating a first analog signal by integrating a change in capacitance generated in a first sensing electrode among the plurality of sensing electrodes and generating a second analog signal from a change in capacitance generated in a second sensing electrode adjacent to the first sensing electrode, and a subtracting unit calculating a difference in levels between the first and second analog signals.

Abstract: Disclosed herein is a touch sensing apparatus capable of supporting hover sensing, including: a plurality of capacitance-voltage converters (C-V converters) outputting different voltage values depending on a change in capacitance of each of the sensing electrodes; a plurality of integrators integrating output voltages of each of the C-V converters; a first multiplexer multiplexing outputs of the plurality of integrators; a second multiplexer multiplexing the outputs of the plurality of integrators; a first differential amplification unit for touch sensing receiving an output of the first multiplexer and an output of the second multiplexer; a second differential amplification unit for hover sensing receiving the output of the first multiplexer and the output of the second multiplexer; and a control unit sensing a touch event or a hover event, thereby removing a common noise to accurately sense both the touch event and the hover event.

Abstract: A charge pump system may include a charge pump including a plurality of boosting units boosting an input voltage input to an input terminal multiple times depending on clock signals and outputting the boosted voltage to an output terminal; and a charge pump protection circuit including a series resistor unit disposed between the output terminal and a ground and including a plurality of resistors connected to each other in series. A portion of the plurality of resistors are disposed in parallel to a portion of the plurality of boosting units.

Abstract: A memory device includes a gate structure, a contact plug, and a spacer. The gate structure includes first and second conductive layer patterns sequentially stacked on a substrate. The contact plug passes through the second conductive layer pattern, and a sidewall of the contact plug directly contacts at least a portion of the second conductive layer pattern. The spacer surrounds a portion of the sidewall of the contact plug and contacting the gate structure.

Abstract: Disclosed herein are a printed circuit board and a method of manufacturing the same. The printed circuit board includes a light-blocking glass substrate; a negative photosensitive insulating layer formed on the glass substrate; and a circuit pattern formed on the glass substrate and embedded in the negative photosensitive insulating layer.

Abstract: There are provided an apparatus for sensing capacitance, a method for sensing capacitance, and a touch screen apparatus. The apparatus for sensing capacitance includes; a first integration circuit unit including a first capacitor charged by a change in capacitance occurring in a sensing electrode; a comparison circuit unit comparing a level of an output signal of the first integration circuit unit with a predetermined reference level; and a noise removal unit including a plurality of switches operating according to an output of the comparison circuit unit, wherein the comparison circuit unit controls an operation of each of the plurality of switches to discharge charges charged in the first capacitor when the level of the output signal of the first integration circuit unit is higher than the reference level.

Abstract: A high voltage driver may include: a low side switching unit including first to n-th N-channel metal oxide semiconductor (NMOS) transistors; a high side switching unit including first and second to n-th P-channel MOS (PMOS) transistors; a voltage dividing unit dividing a voltage between the output terminal and the ground; a first constant voltage unit providing a constant voltage and a unidirectional signal path between a source and a gate of each of the first to n-th NMOS transistors; a second constant voltage unit providing a constant voltage and a unidirectional signal path between a source and a gate of each of the first to n-th PMOS transistors; a first charging unit providing a charged voltage to each of the gates of the second to n-th NMOS transistors; and a second charging unit providing a charged voltage to each of the gates of the second to n-th PMOS transistors.

Abstract: There are a touch input sensing device and a touch input sensing method. The touch input sensing device includes: a plurality of sensing electrodes; and a controller obtaining sensing signals generated from the plurality of sensing electrodes through a plurality of sensing channels electrically connected to the plurality of sensing electrodes, wherein the controller calculates a difference value between the sensing signals obtained from the plurality of sensing channels connected to the mutually adjacent sensing electrodes among the plurality of sensing electrodes to determine a touch input. A weighting value is assigned to a difference value between sensing signals obtained from mutually adjacent sensing electrodes, based on which the coordinates, or the like, of a touch input are determined, thus significantly reducing the influence of noise and accurately determining a touch input.

Abstract: There are provided a touch sensing device and a touchscreen device. The touch sensing device according to an embodiment of the invention may include: a buffer unit including a buffer capacitor charged and discharged by a first voltage and a second voltage input at a predetermined period; an integrating circuit unit integrating a charging voltage of the buffer capacitor; a signal conversion unit comparing a voltage output from the integrating circuit unit with a predetermined reference voltage to generate the second voltage; and a touch determination unit counting the second voltage with a predetermined reference clock to determine a touch.

Abstract: A semiconductor device includes a lower insulating pattern on a semiconductor substrate, a lower gate pattern on the lower insulating pattern and formed of a doped polysilicon layer, a residual insulating pattern with an opening exposing a portion of a top surface of the lower gate pattern, an upper gate pattern on the residual insulating pattern, the upper gate pattern filling the opening, and a diffusion barrier pattern in contact with the portion of the top surface of the lower gate pattern and extending between the residual insulating pattern and the upper gate pattern.

Abstract: An integration circuit may include a plurality of switches, at least one operational amplifier, and at least one feedback capacitor, sequentially transfers electrical charges charged in a node capacitor to the feedback capacitor, and integrates the electrical charges. The operational amplifier may be synchronized with a clock signal applied to at least one of the plurality of switches to thereby be operated in one of a normal mode and a low power mode.