Abstract: The present disclosure relates to a method of preparing an organic zinc catalyst through solid phase blending that does not require a solvent and a washing process, and a method of preparing a polyalkylene carbonate resin by using the organic zinc catalyst prepared thereby.

Abstract: The present disclosure relates to an offset elimination operation of an internal operational amplifier of a data driving circuit and relates to a technique that applies different offset elimination methods for each position of an operational amplifier.

Abstract: An embodiment relates to a temperature sensor having a correction function and is able to reduce errors in measurement by the temperature sensor by calibrating a correlation between temperature and voltage.

Abstract: Provided are a display driving device capable of accurately detecting characteristics of pixels of a display panel regardless of an offset of an amplifier, and a display device including the same. The display device includes a display panel including pixels and a display driving device including a sense circuit configured to detect pixel signals from the pixels. The sense circuit includes sense amplifiers configured to provide the first reference voltage to the pixels so that the pixels are programmed using a first reference voltage in a programming mode.

Abstract: The present disclosure provides a technology for mitigating retransmission in a low ground mass (LGM) state and improving the touch sensitivity by not driving two adjacent sensor electrodes simultaneously.

Abstract: Disclosed are a source driver for sensing the degree of deterioration in pixels in some regions of a display panel and compensating for the deterioration in the display panel based on the sensed degree, by considering a characteristic in which pixels included in each display panel similarly deteriorate, and a display device including the same. The display device may include a display panel including pixels, a sensing circuit configured to provide sensing data by sensing the degree of deterioration in pixels in at least one first region of the display panel, and a compensation circuit configured to calculate an amount of compensation of each of the pixels in the first region using the sensing data and compensate for the deterioration in the pixels in the first region and pixels in a second region whose degree of deterioration is not sensed, based on the amount of compensation.

Abstract: The present disclosure provides a technology for mitigating retransmission in a low ground mass (LGM) state and improving the touch sensitivity by not driving two adjacent sensor electrodes simultaneously.

Abstract: Disclosed is a touch sensing device for preventing touch sensing performance from being reduced by a parasitic capacitance. The touch sensing device includes a plurality of buffers buffering a difference between a reference signal and a reception signal received from a touch electrode through a touch sensing line and generating first and second currents corresponding to a buffered signal, a plurality of current mirror unit respectively connected to the plurality of buffers, a plurality of filter circuits generating a first filter signal and a second filter signal by removing common noise included in a first output signal output from an nth current mirror unit of the plurality of current mirror units and a second output signal output from an (n?1)th current mirror unit of the plurality of current mirror units, and a plurality of integrators respectively connected to the plurality of filter circuits.

Abstract: Provided are a display driving device capable of accurately detecting characteristics of pixels of a display panel regardless of an offset of an amplifier, and a display device including the same. The display device includes a display panel including pixels and a display driving device including a sense circuit configured to detect pixel signals from the pixels. The sense circuit includes sense amplifiers configured to provide the first reference voltage to the pixels so that the pixels are programmed using a first reference voltage in a programming mode.

Abstract: An embodiment provides a touch sensing device configured to divide one driving cycle into two parts and to summate or subtract touch sensing data regarding respective parts, thereby removing periodic noise.

Abstract: An embodiment relates to a temperature sensor having a correction function and is able to reduce errors in measurement by the temperature sensor by calibrating a correlation between temperature and voltage.

Abstract: A touch sensing device of a current driving type, which separately drives a parasitic capacitor by using an electric charge controller, includes a parasitic capacitance charger connected to a touch sensing line to charge a parasitic capacitor of a touch electrode connected to the touch sensing line with a predetermined charging current during a charging period and a sensing unit connected to the touch sensing line during a first driving period to drive a capacitor of the touch electrode with a first driving current corresponding to a difference voltage between a first voltage, charged into the parasitic capacitor when a touch does not occur, and a second voltage charged into the parasitic capacitor when a touch occurs and to sense a first touch voltage of the capacitor based on the first driving current during a first sensing period.

Abstract: Disclosed is a touch sensing device for preventing touch sensing performance from being reduced by a parasitic capacitance. The touch sensing device includes a plurality of buffers buffering a difference between a reference signal and a reception signal received from a touch electrode and generating first and second currents corresponding to a buffered signal, a plurality of current mirror units generating a first output signal using a first mirror current generated through mirroring of the first current and a third mirror current generated through mirroring of the second current and generate a second output signal using a second mirror current generated through mirroring of the first current and a fourth mirror current generated through mirroring of the second current, and a plurality of integrators integrating a difference between the first output signal from an nth current mirror unit and the second output signal from an (n?1)th current mirror unit.

Abstract: Disclosed is a touch sensing device for preventing touch sensing performance from being reduced by a parasitic capacitance. The touch sensing device includes a plurality of buffers buffering a difference between a reference signal and a reception signal received from a touch electrode and generating first and second currents corresponding to a buffered signal, a plurality of current mirror units generating a first output signal using a first mirror current generated through mirroring of the first current and a third mirror current generated through mirroring of the second current and generate a second output signal using a second mirror current generated through mirroring of the first current and a fourth mirror current generated through mirroring of the second current, and a plurality of integrators integrating a difference between the first output signal from an nth current mirror unit and the second output signal from an (n?1)th current mirror unit.

Abstract: A touch sensing device of a current driving type, which separately drives a parasitic capacitor by using an electric charge controller, includes a parasitic capacitance charger connected to a touch sensing line to charge a parasitic capacitor of a touch electrode connected to the touch sensing line with a predetermined charging current during a charging period and a sensing unit connected to the touch sensing line during a first driving period to drive a capacitor of the touch electrode with a first driving current corresponding to a difference voltage between a first voltage, charged into the parasitic capacitor when a touch does not occur, and a second voltage charged into the parasitic capacitor when a touch occurs and to sense a first touch voltage of the capacitor based on the first driving current during a first sensing period.

Abstract: Disclosed is a touch sensing device for preventing touch sensing performance from being reduced by a parasitic capacitance. The touch sensing device includes a plurality of buffers buffering a difference between a reference signal and a reception signal received from a touch electrode through a touch sensing line and generating first and second currents corresponding to a buffered signal, a plurality of current mirror unit respectively connected to the plurality of buffers, a plurality of filter circuits generating a first filter signal and a second filter signal by removing common noise included in a first output signal output from an nth current mirror unit of the plurality of current mirror units and a second output signal output from an (n?1)th current mirror unit of the plurality of current mirror units, and a plurality of integrators respectively connected to the plurality of filter circuits.

Abstract: An embodiment provides a touch sensing device configured to divide one driving cycle into two parts and to summate or subtract touch sensing data regarding respective parts, thereby removing periodic noise.

Abstract: The present invention relates to a bipolar electrode, and more particularly, to an electrode for high-frequency heat treatment capable of cauterizing and necrotizing lesions by heating the lesions, such as a cancer tissue of a body organ, with a high frequency, in particular, an overlapping bipolar electrode for high-frequency heat treatment capable of cauterizing lesions of tubular organs, such as a blood vessel, with a minimum invasion.

Abstract: A combined cauterization and stent operation device for moving a stent to a lesion of a tubular tissue through a pipe member and performing a stent operation is provided that includes a bipolar electrode for cauterization configured to be disposed at an operation end of the pipe member to cauterize the lesion, and a high frequency generator configured to be connected to the bipolar electrode for cauterization to allow the bipolar electrode for cauterization to radiate a high frequency current.

Abstract: Disclosed herein is a delivery apparatus for delivering a self-expanding stent to a target position along the inside of a microcatheter, the delivery apparatus including an outer tube configured to communicate with the microcatheter, a shaft part configured to pass through the microcatheter while moving forwards and backwards in the outer tube and including a distal marker and a proximal marker to specify a position of the stent at the target position, and an elastic coating part formed on the outer surface of the shaft part between the distal marker and the proximal marker.