Abstract: A touch controller includes a noise detection circuit that respectively provides a first reference voltage and a second reference voltage for detecting display noise to a first electrode and a second electrode arranged on lines except a line on which touch sensing is performed, among sensing electrodes, the second reference voltage being different from the first reference voltage, a driving signal generation circuit that receive a first noise voltage and a second noise voltage generated based on the first reference voltage and the second reference voltage and alternately selects the first noise voltage and the second noise voltage as a driving signal, and a receiving circuit that receives the driving signal, a touch sensing signal generated based on the driving signal from a third electrode arranged on the line on which touch sensing is performed, among the sensing electrodes, and generates a sensing voltage based on the touch sensing signal.

Abstract: A touch driving circuit and a touch display device are disclosed. A group sensing control switch connected between lines connected to sensing units included in a touch driving circuit is disposed, thereby providing a structure in which one sensing unit can drive a touch electrode driven by another sensing unit. One sensing unit simultaneously drives two or more touch electrodes according to an operation state of a group sensing control switch to perform touch sensing, thereby providing a touch driving circuit and a touch display device capable of maintaining the resolution of touch sensing and improving touch sensitivity according to a driving environment.

Abstract: A touch screen driving circuit for driving a touch screen which includes a display layer and a touch sensor layer on the display layer is provided. The touch screen driving circuit includes: a touch controller configured to provide a plurality of drive signals respectively to a plurality of first electrodes of the touch sensor layer, in a driving period, wherein the plurality of drive signals are phase synchronized during a first sub-period of the driving period; and a display driving circuit configured to provide a compensation signal to at least some of a plurality of source lines of the display layer in the first sub-period of the driving period, wherein the plurality of compensation signals are phase synchronized opposite to the plurality of drive signals in the first sub-period.

Abstract: A touch controller includes a noise detection circuit that respectively provides a first reference voltage and a second reference voltage for detecting display noise to a first electrode and a second electrode arranged on lines except a line on which touch sensing is performed, among sensing electrodes, the second reference voltage being different from the first reference voltage, a driving signal generation circuit that receive a first noise voltage and a second noise voltage generated based on the first reference voltage and the second reference voltage and alternately selects the first noise voltage and the second noise voltage as a driving signal, and a receiving circuit that receives the driving signal, a touch sensing signal generated based on the driving signal from a third electrode arranged on the line on which touch sensing is performed, among the sensing electrodes, and generates a sensing voltage based on the touch sensing signal.

Abstract: A display device, including: a touch screen panel including a touch panel and a display panel stacked under the touch panel; a touch driving circuit; and one or more rollers on which at least a portion of the touch screen panel is rolled. The touch panel may include receiving electrodes extending in a first axis direction and arranged in parallel in a second axis direction perpendicular to the first axis direction and driving electrodes extending in the second axis direction and arranged in parallel in the first axis direction. The display panel may include gate lines and source lines intersecting with the gate lines. The touch driving circuit may be configured to apply driving signals to the driving electrodes. The touch screen panel rolled on the one or more rollers may be unfolded as the one or more rollers slide in the first axis direction.

Abstract: A touch display system includes: a display driver integrated circuit (IC) configured to drive a display panel; a touch screen controller configured to drive a touch screen panel; a driving voltage generator configured to provide driving voltages to the display panel, the display driver IC, and the touch screen controller; and a ground modulation device configured to receive a driving signal, which is used to drive the touch screen panel and periodically swings between a first reference voltage level and a second reference voltage level, from the touch screen controller, configured to generate a modulated ground voltage, which periodically swings between the first reference voltage level and the second reference voltage level, based on the driving signal, and configured to provide the modulated ground voltage to the display panel, the display driver IC, and the touch screen controller

Abstract: A touch display controller, panel and system may include a select circuit having a first selectable input terminal connected to touch sensors, a second selectable input terminal connected to display pixels, and an output terminal; an analog front-end circuit coupled to the output terminal of the select circuit to receive a raw analog signal, and having a shared processing path for analog signals from both the touch sensors and the display pixels; and a control circuit configured to control the an analog front-end circuit based on which type of element among the touch sensors or the display pixels is connected to the analog front-end circuit.

Abstract: A display chipset structure that is based on an integrated display controller is provided. The display controller includes including a display processor comprising a first digital circuit, and configured to receive image data from an application processor (AP) and output the image data to a first component driver chip configured to drive a gate line and a source line of a display panel; and a touch processor comprising a second digital circuit, and configured to receive touch data from a second component driver chip configured to drive sensing electrodes of a touch panel. The display controller is implemented as one semiconductor chip and separated from each of the first and second component driver chips, and the display processor and the touch processor communicate with each other through an internal interconnection of the one semiconductor chip.

Abstract: A display device, including: a touch screen panel including a touch panel and a display panel stacked under the touch panel; a touch driving circuit; and one or more rollers on which at least a portion of the touch screen panel is rolled. The touch panel may include receiving electrodes extending in a first axis direction and arranged in parallel in a second axis direction perpendicular to the first axis direction and driving electrodes extending in the second axis direction and arranged in parallel in the first axis direction. The display panel may include gate lines and source lines intersecting with the gate lines. The touch driving circuit may be configured to apply driving signals to the driving electrodes. The touch screen panel rolled on the one or more rollers may be unfolded as the one or more rollers slide in the first axis direction.

Abstract: A touch screen driving circuit for driving a touch screen which includes a display layer and a touch sensor layer on the display layer is provided. The touch screen driving circuit includes: a touch controller configured to provide a plurality of drive signals respectively to a plurality of first electrodes of the touch sensor layer, in a driving period, wherein the plurality of drive signals are phase synchronized during a first sub-period of the driving period; and a display driving circuit configured to provide a compensation signal to at least some of a plurality of source lines of the display layer in the first sub-period of the driving period, wherein the plurality of compensation signals are phase synchronized opposite to the plurality of drive signals in the first sub-period.

Abstract: A touch display system includes: a display driver integrated circuit (IC) configured to drive a display panel; a touch screen controller configured to drive a touch screen panel; a driving voltage generator configured to provide driving voltages to the display panel, the display driver IC, and the touch screen controller; and a ground modulation device configured to receive a driving signal, which is used to drive the touch screen panel and periodically swings between a first reference voltage level and a second reference voltage level, from the touch screen controller, configured to generate a modulated ground voltage, which periodically swings between the first reference voltage level and the second reference voltage level, based on the driving signal, and configured to provide the modulated ground voltage to the display panel, the display driver IC, and the touch screen controller

Abstract: A touch display controller, panel and system may include a select circuit having a first selectable input terminal connected to touch sensors, a second selectable input terminal connected to display pixels, and an output terminal; and an analog front-end circuit coupled to the output terminal of the select circuit to receive a raw analog signal, and having a shared processing path for analog signals from both the touch sensors and the display pixels.

Abstract: A display chipset structure that is based on an integrated display controller is provided. The display controller includes including a display processor comprising a first digital circuit, and configured to receive image data from an application processor (AP) and output the image data to a first component driver chip configured to drive a gate line and a source line of a display panel; and a touch processor comprising a second digital circuit, and configured to receive touch data from a second component driver chip configured to drive sensing electrodes of a touch panel. The display controller is implemented as one semiconductor chip and separated from each of the first and second component driver chips, and the display processor and the touch processor communicate with each other through an internal interconnection of the one semiconductor chip.

Abstract: An operating method of a touch display driving integrated circuit that is connected with a touch display panel through touch sensing lines and data lines is provided. The method includes applying a common voltage to each touch sensing line, increasing voltages of the touch sensing lines and the data lines by a predetermined level, providing a first touch sensing signal to each touch sensing line, and sensing a touch of a user based on signal variations of the touch sensing lines.

Abstract: A method and apparatus for analyzing a measured signal are provided in a resonance fatigue test that causes a complicated behavior and nonsymmetrical bending of a test article such as a wind turbine blade due to a coupling effect. In the method, a processor of the apparatus receives the measured signal from each of at least two measurement sensors attached to the test article and then extracts a moment load from the received measured signal by considering all of a first measured value in a first direction due to a first direction load, a second measured value in a second direction due to the first direction load, a third measured value in the first direction due to a second direction load, and a fourth measured value in the second direction due to the second direction load.

Abstract: The present invention relates to an OTP ROM using a CMOS gate oxide antifuse.

Abstract: The present invention relates to an OTP ROM using a CMOS gate oxide antifuse.