Abstract: In order that a boost converter of an LDI can reduce electromagnetic interference by generating a panel driving voltage through the use of a variable frequency, while achieving a stable boosting operation using the same frequency whenever each frame begins, an oscillator generates an oscillation signal having a frequency, which varies in a predetermined pattern or hops in a random pattern around a center frequency, and generates an oscillation signal having a preset fixed frequency whenever each frame begins.

Abstract: A dishwasher including a washing chamber to wash dishes, a sump concavely formed at a lower portion of the washing chamber to collect water used in washing, a microfilter disposed at the sump to filter out dirt produced when the dishes are washed, and an ultrasonic generator to radiate ultrasonic waves toward the microfilter. Since the microfilter is automatically cleaned by the ultrasonic generator, a user may not need to manually clean the microfilter.

Abstract: The present invention discloses a control circuit of a touch screen and a noise removing method. The present invention provides a technique for performing differential sensing on two adjacent detection lines of a touch screen panel and integrating a differential sensing signal to filter noise. The control circuit and the noise removing method may remove display noise having an effect on two adjacent detection lines, three-wavelength lamp noise having a predetermined frequency, 60 Hz noise, and charger noise caused by battery charging.

Abstract: The present invention discloses a signal processing circuit and a signal processing system for processing an input signal provided from a touch screen in response to a driving signal.

Abstract: An uplink scheduling method using one bit per user feedback includes: receiving one-bit feedback of the user's channel condition from a plurality of users, the one-bit feedback of the user's channel condition corresponds to a value of the cumulative distribution function of the user's instantaneous achievable rate; selecting a user from the users whose channel condition is equal to or greater than a predetermined threshold; and transmitting data at an instantaneous achievable rate of the selected user.

Abstract: An organic light emitting device having increased outcoupling efficiency, a lighting apparatus including the organic light emitting device, and an organic light emitting display apparatus including the organic light emitting device. The organic light emitting device includes a substrate, a first electrode layer that is uniformly patterned on the substrate, a low refractive conductive layer disposed on the first electrode layer, and having a conductive material with a lower refractive index than a refractive index of an organic layer that is disposed on the low refractive conductive layer, and a second electrode layer formed on the organic layer.

Abstract: An audio signal processing apparatus and method are provided. The apparatus includes a stability determiner and a sigma-delta modulator. The stability determiner divides a frequency band of an input audio signal into one or more sub-frequency bands, compares a level of the input audio signal for each of the sub-frequency bands with a threshold for the sub-frequency band, and generates a stability determination signal according to a result of the comparison. The sigma-delta modulator sigma-delta modulates the input audio signal according to the stability determination signal, and outputs a modulation signal.

Abstract: A touch sensing circuit detects a difference in variation of coupling capacitances between mutually adjacent driving electrodes through the use of a differential amplifier, and senses whether or not a touch is made on a touch screen panel, thereby being capable of removing display noise.

Abstract: A cleaning composition for a semiconductor device and a method of cleaning a semiconductor device, the composition including about 0.001 to about 0.5 wt % of a fluorine compound, based on a total weight of the composition; about 0.1 to about 10 wt % of an alkyl, aryl, or aralkyl-substituted ammonium hydroxide compound, based on a total weight of the composition; about 0.1 to about 10 wt % of a nitrogen-containing carboxylic acid, based on a total weight of the composition; about 0.01 to about 1 wt % of a water-soluble polymer compound, based on a total weight of the composition; and water.

Abstract: A nonvolatile memory device includes a plurality of memory blocks, a plurality of erasure detection units provided at the plurality of memory blocks, respectively, and configured to each detect erasure of the respective memory blocks, and a control unit configured to determine that a memory block is a bad memory block when a number of erasure operations performed on the memory block as detected by the respective erasure detection unit is greater than a reference value.

Abstract: A power supply circuit of a liquid crystal display device includes a first positive polarity charge charging unit including a first capacitor connected to positive and negative power terminals through switches to charge a charge, a second positive polarity charge charging unit including a second capacitor connected to the positive power terminal and a ground terminal through switches to charge a charge, a first positive polarity charge loading unit loading the charge supplied through the positive power terminal to a negative polarity terminal, a second positive polarity charge loading unit loading the charge charged in the first capacitor to a negative polarity terminal, a third positive polarity charge loading unit loading the charge charged in the second capacitor, and a positive polarity charge charging/loading control unit outputting charging control signals with a same phase to the switches, and periodically or irregularly changing durations of the charging and loading control signals.

Abstract: A nonvolatile memory device includes a plurality of memory blocks, a plurality of erasure detection units provided at the plurality of memory blocks, respectively, and configured to each detect erasure of the respective memory blocks, and a control unit configured to determine that a memory block is a bad memory block when a number of erasure operations performed on the memory block as detected by the respective erasure detection unit is greater than a reference value.

Abstract: In order that a boost converter of an LDI can reduce electromagnetic interference by generating a panel driving voltage through the use of a variable frequency, while achieving a stable boosting operation using the same frequency whenever each frame begins, an oscillator generates an oscillation signal having a frequency, which varies in a predetermined pattern or hops in a random pattern around a center frequency, and generates an oscillation signal having a preset fixed frequency whenever each frame begins.

Abstract: A static memory device includes a bit cell connected to an internal voltage line, and a power supply control circuit connected between the internal voltage line and a power supply voltage, wherein the power supply control circuit is configured to supply the power supply voltage level to the internal voltage line, and the power supply control circuit is configured to perform a write assist function that includes floating the internal voltage line during a write operation on the bit cell, the internal voltage line being floated in response to a signal of a mode control signal group.

Abstract: An uplink scheduling method using one bit per user feedback includes: receiving one-bit feedback of the user's channel condition from a plurality of users, the one-bit feedback of the user's channel condition corresponds to a value of the cumulative distribution function of the user's instantaneous achievable rate; selecting a user from the users whose channel condition is equal to or greater than a predetermined threshold; and transmitting data at an instantaneous achievable rate of the selected user.

Abstract: A gamma voltage output circuit of a source driver includes a reference voltage generation unit configured to generate upper and lower reference voltages; and upper and lower gamma buffers configured to stabilize and output the reference voltages. The lower gamma buffers include a first gamma buffer having a first operational amplifier which operates as a rail amplifier in a region between a positive power supply voltage and a ground voltage to receive a first lower reference voltage of a positive voltage region and output a first gamma voltage of the positive voltage region, and the upper gamma buffers include a second gamma buffer having a second operational amplifier which operates as a rail amplifier in a region between the ground voltage and a negative power supply voltage to receive a first upper reference voltage of a negative voltage region and output a second gamma voltage of the negative voltage region.

Abstract: An organic light emitting device having increased outcoupling efficiency, a lighting apparatus including the organic light emitting device, and an organic light emitting display apparatus including the organic light emitting device. The organic light emitting device includes a substrate, a first electrode layer that is uniformly patterned on the substrate, a low refractive conductive layer disposed on the first electrode layer, and having a conductive material with a lower refractive index than a refractive index of an organic layer that is disposed on the low refractive conductive layer, and a second electrode layer formed on the organic layer.

Abstract: A method for performing a copy-back operation in a non-volatile memory device includes: measuring and recording a maximum program voltage used to program a part of target data to copy-back when a copy-back command is inputted; and performing a copy-back operation using the recorded maximum program voltage.

Abstract: Disclosed herein are a chemical mechanical polishing slurry composition for chemical mechanical planarization of metal layers, which comprises a non-ionized, heat-activated nano-catalyst, and a polishing method using the same. The polishing slurry composition comprises: a non-ionized, heat-activated nano-catalyst which releases electrons and holes by energy generated in a chemical mechanical polishing process; an abrasive; and an oxidizing agent. The non-ionized, heat-activated nano-catalyst and the abrasive are different from each other, and the non-ionized, heat-activated nano-catalyst is preferably a semiconductor material which releases electrons and holes at a temperature of 10 to 100° C. in an aqueous solution state, more preferably a transition metal silicide selected from the group consisting of CrSi, MnSi, CoSi, ferrosilicon (FeSi), mixtures thereof, and most preferably, a semiconductor material such as nano ferrosilicon.

Abstract: Disclosed herein are a chemical mechanical polishing slurry composition for chemical mechanical planarization of metal layers, which comprises a non-ionized, heat-activated nano-catalyst, and a polishing method using the same. The polishing slurry composition comprises: a non-ionized, heat-activated nano-catalyst which releases electrons and holes by energy generated in a chemical mechanical polishing process; an abrasive; and an oxidizing agent. The non-ionized heat-activated nano-catalyst and the abrasive are different from each other, and the non-ionized, heat-activated nano-catalyst is preferably a semiconductor material which releases electrons and holes at a temperature of 10 to 100° C. in an aqueous solution state, more preferably a transition metal silicide selected from the group consisting of CrSi, MnSi, CoSi, ferrosilicon (FeSi), mixtures thereof, and most preferably, a semiconductor material such as nano ferrosilicon.