Abstract: The present invention discloses a control device for a touch panel that comprises a plurality of X-directional sensing lines and Y-directional sensing lines. The X-directional sensing lines and Y-directional sensing lines are arranged in an interlaced manner. The control device comprises a clock generation circuit, a selection module, a driving signal generation circuit, a differential detection module, and a digital-to-analog conversion module. The selection module selects a first sensing line and a second sensing line from the X-directional sensing lines or Y-directional sensing lines. The driving signal generation circuit generates first and second driving signals to the first and second sensing lines, respectively. The digital to analog conversion module selectively outputs a first voltage to the first sensing line or outputs a second voltage to the second sensing line. The operation frequency of the touch panel can be increased using the control device of the present invention.

Abstract: A signal circuit includes a clock terminal for transmitting a reference clock and a data terminal for transmitting an input/output data. In an embodiment, the frequency of the reference clock is one-eighth of the bit rate of the input/output data.

Abstract: The present invention discloses a control device for a touch panel. The touch panel comprises a plurality of X-directional sensing lines and a plurality of Y-directional sensing lines arranged in a staggered manner. The control device comprises a clock generation circuit, a selection module, an analog to digital conversion circuit, and a control unit. The selection module selects sensing lines to be measured from the X-directional sensing lines and Y-directional sensing lines. The control unit controls the operation mode of the analog to digital conversion circuit. The analog to digital conversion circuit outputs an n-bit digital signal when it operates in a normal mode, and outputs an m-bit digital signal when it operates in a detecting mode, wherein n>m. According to the control device of the present invention, valid data is output in the presence of noise.

Abstract: A source driving apparatus and a driving method thereof are provided. The source driving apparatus comprises an encoder and a source driver. The encoder encodes a video data with n bits to the encoded data according to encoding rules, such that the bit change in two adjacent grays is less than n. The source driver outputs a pixel voltage corresponding to the video data according to the encoded data.

Abstract: A capacitance evaluation circuit includes a capacitive voltage divider, an analog-to-digital converter (ADC) and a processing module. The capacitive voltage divider includes a switch circuit, a known capacitor and a capacitor under test. The switch circuit is controlled by first and second clock signals. A voltage variation at a first terminal of the known capacitor is coupled to a first terminal of the capacitor under test based on a conduction state of the switch circuit. The ADC converts a voltage on the first terminal of the capacitor under test into a digital signal. The processing module detects a capacitance and a capacitance variation of the capacitor under test according to the digital signal from the ADC and a parameter of the ADC.

Abstract: A dual triggered silicon controlled rectifier (DTSCR) comprises: a semiconductor substrate; a well region, a first N+ diffusion region, a first P+ diffusion region, a second N+ diffusion region, a second P+ diffusion region, a third P+ diffusion region, positioned in one side of the DTSCR and across the well region and semiconductor substrate; a third N+ diffusion region, positioned in another side of the DTSCR and across the well region and the semiconductor substrate; a first gate, positioned above the semiconductor substrate between the first P+ diffusion region and the third P+ diffusion region, utilized as a P-type trigger node to receive a first trigger current or a first trigger voltage; and a second gate, positioned above the well region between the second N+ diffusion region and the third N+ diffusion region, utilized as an N-type trigger node to receive a second trigger current or a second trigger voltage.

Abstract: A segmented transmission signal circuit is provided with a parallel bus of data transmission. The bus includes a plurality of sections, each section transmits a corresponding parallel data of multiple bits, and the parallel data corresponding to different sections are in different bit orders.

Abstract: A semiconductor device, such as a semiconductor device of chip on film package, is provided. The semiconductor device includes at least an integrated circuit formed on a film base, each integrated circuit includes a chip and a plurality of leads formed interior to a boundary of a predetermined range, each lead is formed with a predetermined distance from the boundary. While the integrated circuit is punched from the film base along the boundary, conductive residue of leads left on the puncher is therefore reduced or avoided.

Abstract: A touch panel includes a plurality of X-directional sensing lines and a plurality of Y-directional sensing lines. The X-directional sensing lines and the Y-directional sensing lines are arranged in a staggered manner. The control device includes a clock generation circuit, a selection module, a drive signal generation circuit, a digital to analog conversion module, first and second capacitors and a differential detection circuit. The X-directional sensing lines and Y-directional sensing lines on the touch panel operate according to a predetermined scanning sequence. According to the control device and the predetermined scanning sequence of the present invention, the sensing speed of the touch panel can be improved.

Abstract: A capacitance evaluation circuit includes a capacitive voltage divider, an analog-to-digital converter (ADC) and a processing module. The capacitive voltage divider includes a switch circuit, a known capacitor and a capacitor under test. The switch circuit is controlled by first and second clock signals. A voltage variation at a first terminal of the known capacitor is coupled to a first terminal of the capacitor under test based on a conduction state of the switch circuit. The ADC converts a voltage on the first terminal of the capacitor under test into a digital signal. The processing module detects a capacitance and a capacitance variation of the capacitor under test according to the digital signal from the ADC and a parameter of the ADC.

Abstract: In an evaluation method, voltages at ends of a to-be-measured capacitor and a capacitance-adjustable circuit are switched in response to a first set of clock signals so as to adjust an integrated voltage to be a sum of the integrated voltage and a first difference voltage. Next, whether a first control event is received is judged. If not, the previous step is performed. If yes, an integration operation is performed to switch a voltage of an end of a known capacitor in order to adjust the integrated voltage to be a sum of the integrated voltage and a second difference voltage. Next, whether an integrating period ends is judged. If not, the first step is repeated. If yes, a capacitance of the to-be-measured capacitor is obtained according to the number of times that the integration operation is performed in the integrating period and a capacitance of the known capacitor.

Abstract: A touch panel includes a plurality of X-directional sensing lines and a plurality of Y-directional sensing lines. The X-directional sensing lines and the Y-directional sensing lines are arranged in a staggered manner, and a plurality of mutual capacitors are formed between every X-directional sensing line and every Y-directional sensing line. According to one embodiment of the present invention, the scanning method first selects the number of sensing lines to be measured to determine a measurement channel. Driving signals are applied to other sensing lines excluding the measurement channel in scanning procedures. After the driving signals are applied, two voltages at nodes of the measurement channel are detected to obtain a touch position on the touch panel.

Abstract: The invention provides a fluid measuring apparatus, which includes a collector, a sensing circuit, and an electrochromic device electrically connected to the sensing circuit. When the concentration of a fluid flowing through the collector and between the sensing circuit varies, the color of the electrochromic device changes accordingly. Further, the electrochromic device includes an electrochromic material, and the sensing circuit includes a first electrode and a second electrode, wherein the first and the second electrodes are disposed in the collector and the electrochromic material is disposed on the first electrode. When the concentration of an electrolytic solution flowing between the first electrode and the second electrode varies, the color of the electrochromic material changes accordingly.

Abstract: The invention discloses a touch sensing device, which includes a containing space, a first substrate layer, a second substrate layer, a driver, and a sensor. The first substrate layer and the second substrate layer define the containing space for containing a fluid. The driver can provide charges to a first conducting layer of the first substrate layer, a second conducting layer of the second substrate layer, and the fluid. The sensor can sense the electric characteristics of the fluid. When a point unit approaches the touch sensing device and influences the charges, the appearance of the fluid could be changed and then the electric characteristics could also be changed.

Abstract: A dual triggered silicon controlled rectifier (DTSCR) comprises: a semiconductor substrate; an N-well, a P-well, a first N+ diffusion region and a first P+ diffusion region, a second N+ diffusion region and a second P+ diffusion region, a third P+ diffusion region, positioned in one side of the DTSCR and across the N-well and the P-well; a third N+ diffusion region, positioned in another side of the DTSCR and across the N-well and the P-well; a first gate, positioned above the N-well between the second P+ diffusion region and the third P+ diffusion region, for use as a P-type trigger node to receive a first trigger current or a first trigger voltage; and a second gate, positioned above the P-well between the first N+ diffusion region and the third N+ diffusion region, for use as an N-type trigger node to receive a second trigger current or a second trigger voltage.

Abstract: A control circuit applied in a light emitting diode (LED) driver includes a counter, a sample circuit, and a signal source. The counter counts a parameter indicating the duty cycle width of a dimming signal in response to a front edge of the dimming signal. The sample circuit obtains a sample signal by means of sampling the most significant bit (MSB) of the parameter in response to the rear edge of the dimming signal. The duty cycle width is determined to be greater than a threshold value and smaller than that when the sample signal corresponds with a terminal value and an initial value, respectively. The signal source provides a reference voltage corresponding to first level and that corresponding to second level, higher than the first level, to drive a boost converter of the LED driver in response to the terminal value and the initial value, respectively.

Abstract: The invention discloses a controlling apparatus for a signal outputting circuit in an electronic system. The controlling apparatus includes a detecting circuit, a switch, and a controlling circuit. The detecting circuit is used for detecting whether the electronic system has an abnormal condition. The switch is electrically connected between a signal receiving terminal and the signal outputting circuit. The controlling circuit is electrically connected between the detecting circuit and the switch. Once the detecting circuit detects that the electronic system has the abnormal condition, the controlling circuit sets the switch into a high-impedance state.

Abstract: An touch input electronic device includes: a touch input device; a clock generation circuit, generating a first clock and a second clock; a touch sensing circuit, coupled to the touch input device, the touch sensing circuit operated under the first clock; a logic circuit, receiving a sensing output signal from the touch sensing circuit, the logic circuit operated under the second clock; and a conversion circuit, outputting an output voltage under control of the logic circuit, the output voltage coupled to the touch sensing circuit, the conversion circuit operated under the second clock. In response to the sensing output signal from the touch sensing circuit, the logic circuit controls the conversion circuit to adjust the output voltage to detect a capacitance variance of the touch input device.

Abstract: The invention discloses a driving circuit system and a method of elevating a slew rate of an operational amplifier. The driving circuit system comprises an operational amplifier, a judging module and a bias enhancing module. The operational amplifier has an input stage driven by a bias current. The bias enhancing module is electrically connected to the judging module and the input stage of the operational amplifier respectively. The judging module is used to generate a bias enhancing signal according to an edge-trigger of a control signal. When the bias enhancing module receives the bias enhancing signal, the bias enhancing module provides an additional current, which cooperates with the bias current, for driving the input stage of the operational amplifier, so as to elevating a slew rate of the operational amplifier.

Abstract: An electronic device includes: a touch input device, a touch sensing circuit coupled to the touch input device and a capacitance offset compensation circuit. The capacitance offset compensation circuit includes: a first offset compensation capacitance array, coupled to a reference voltage or a driving signal in response to a control signal from the touch sensing circuit, coupled to one of a first coupling voltage and a second coupling voltage from the touch input device in response to the control signal. The first offset compensation capacitance array adjusts an output equivalent capacitance in response to the control signal, for compensating at least one of a GND parasitic capacitance and a cross coupling capacitance of the touch input device.