Abstract: The present invention relates to a position detector and a touch sensing device of using same with SNR enhancement. In one embodiment, the position detector has (P+1) inputs, each input for receiving an input signal associated with a position, P being a positive integer, and P operational amplifiers, each operational amplifier having a non-inverting input and an inverting input, where the inverting input of the j-th operational amplifier is electrically connected to the non-inverting input of the (j+1)-th operational amplifier, and the non-inverting input and the inverting input of the j-th operational amplifier are electrically connected to the j-th input port and the (j+1)-th input port, respectively, j=1, 2, 3, . . . , (P?1).

Abstract: A panel circuit structure for transmitting electrical signals to an active area is provided. The panel circuit structure includes a first transmission pad, a first test pad, a second transmission pad, a second test pad, and a third transmission pad, which are connected to a driving element. The first transmission pad, the first test pad, the second transmission pad, and the second test pad transmit electrical signals to the active area via the first transmission lines and second transmission lines. The first transmission pads and the second transmission pads are disposed at a first end of the driving element while the third transmission pad is disposed at a second end of the driving element. The first and second test pads are disposed outside the coverage area of the driving element.

Abstract: A control circuit includes a plurality of shift register stages. Each shift register stage is capable of outputting an individual output signal. The output signal is utilized to be a driving signal of next shift register stages. Each shift register stage comprises a transistor for receiving a clear signal CLR. The residual charges of the shift register stage can be released when the clear signal CLR is in a high voltage level. The clear signal CLR is enabled during a non-blanking time of a liquid crystal display (LCD). Each current register stage can use an output signal of another shift register stage which is apart from the current shift register stage by a predetermined interval as the clear signal CLR. The clear signal CLR is used to release the residual charges of the shift register stage before the shift register stage outputs its own output signal.

Abstract: An exemplary capacitive touch detection system includes a capacitive touch panel and a detection control circuit. The capacitive touch panel includes a plurality of input terminals and output terminals. The detection control circuit includes a scanning signal transmitting module electrically coupled to the input terminals and a detection signal receiving and waveform shaping module including a receiver and an impedance-matching network. The detection signal receiving and waveform shaping module is electrically coupled to the output terminals for receiving and processing a plurality of detection signals outputted from the respective output terminals and thereby producing a plurality of processed detection signals. The receiver is used for receiving the detection signals.

Abstract: A display is provided. The display includes a first timing controller, a second timing controller and drivers. The first timing controller receives and transmits a first portion of pixel values, in which the first portion of the pixel values includes the pixel values of at least two non-adjacent pixels. The second timing controller receives and transmits a second portion of the pixel values, in which the second portion of the pixel values includes the pixel values of at least two non-adjacent pixels. Each of the drivers receives respectively a part of the first portion of the pixel values transmitted by the first timing controller and a part of the second portion of the pixel values transmitted by the second timing controller. A method of transmitting image data in the display is also disclosed.

Abstract: A touch panel device having high touch sensitivity includes sensing capacitors, switches, storage capacitors, a differential amplifier and a signal processing unit. During a sense period, the switches are periodically turned on alternately for periodically transferring the charges of the sensing capacitors to the storage capacitors. The differential amplifier is put in use for amplifying the voltage difference of two corresponding storage capacitors for generating a touch readout signal. The signal processing unit performs an OR operation on two touch readout signals generated during different sense periods based on different sensing capacitor combinations regarding same panel touch position for providing a touch position signal.

Abstract: A touch panel includes a sensing region, a storage unit, a precision rectifier circuit and a comparing circuit. There exists an equivalent capacitance at a predetermined location in the sensing region. At the predetermined location, the sensing region can provide a first signal before a touch action occurs and a second signal after the touch action occurs. The precision rectifier circuit can control the signal transmission path between the predetermined location and the storage unit. After being charged by the first and second signals, the storage unit can respectively provide corresponding third and fourth signals. The comparing circuit can thus determine whether the touch action occurs at the predetermined location according to the third and fourth signals.

Abstract: A gate driver includes several first and second circuit units outputting first and second driving signals to odd and even gate lines, respectively, and each of the first circuit units or the second circuit units includes a signal output unit for outputting the driving signal and a shift register unit for outputting a start signal to a next circuit unit. A driving method is also disclosed.

Abstract: A light module includes a plurality of light sources for generating light, a power controller, a bridge converter, a first piezoelectric transformer, a second piezoelectric transformer, a resonance balance circuit, and a protection circuit. The power controller is used for generating a power driving signal based on a control signal. The bridge converter is used for generating a supply voltage signal based on the power driving signal. The first piezoelectric transformer is used for transforming the supply voltage signal into a first driving voltage signal to a first end of each of the plurality of lamps. The second piezoelectric transformer is used for transforming the supply voltage signal into a second driving voltage signal to a second end of each of the plurality of lamps.

Abstract: An exemplary detecting method for a photo-sensor touch panel and a touch-sensitive electronic apparatus using the same are provided. In aforementioned method, an image frame is obtained by scanning the photo-sensor touch panel. Then, a distribution area of data points in the image frame each having a brightness between a predetermined brightness and a first threshold brightness is defined as a first sensing area, and a distribution area of data points in the image frame each having a brightness between the predetermined brightness and a second threshold brightness is defined as a second sensing area. Afterward, it is determined that whether a real touch probably/really occurred according to a relative distance between one of first data points and corresponding one of second data points. The first data points located in the first sensing area, and the second data points located in the second sensing area.

Abstract: A backlight module including a plurality of lamps, a first circuit board, and a second circuit board is provided. Each lamp has a first electrode and a second electrode. The first circuit board has a plurality of first openings and first conductive clips. The first electrode is disposed to extend through the first opening and to be clamped by the first conductive clip. Furthermore, a plurality of current adjustment devices is disposed on the first circuit board. The current adjustment device is electrically coupled to the first electrode through the first conductive clips. In the backlight module, the conductive clips or clamping pins of the current adjustment devices are used to hold the electrodes of lamps, thereby facilitating the assembly process of backlight module.

Abstract: A control signal generation method of integrated gate driver circuit includes the steps of: providing one gate control signal to an integrated gate driver circuit; and generating a plurality of internal control signals by the integrated gate driver circuit according to on the gate control signal to control internal operations of the integrated gate driver circuit. Furthermore, an integrated gate driver circuit is adapted to receive one external gate control signal. The integrated gate driver circuit includes an internal control signal generation circuit for generating a plurality of internal control signals according to the external gate control signal to control internal operations of the integrated gate driver circuit. In addition, a liquid crystal display device using the above-mentioned integrated gate driver circuit also is provided.

Abstract: A driving apparatus for a liquid crystal display (LCD) is provided. The driving apparatus includes a plurality of data driving ICs and a control board. The data driving ICs are used for receiving and transmitting a clock signal, a plurality of data signals and a first reference voltage from the 1st data driving IC to the last data driving IC in series. The control board is used for providing the clock signal, the data signals and the first reference voltage, and changing the first reference voltage received by each data driving IC according to a variation of the clock signal and the data signals transmitted between the data driving ICs, so that the operation frequency of the data driving ICs is unrestricted.

Abstract: A panel circuit structure for transmitting electrical signals to an active area is provided. The panel circuit structure includes a first transmission pad, a first test pad, a second transmission pad, a second test pad, and a third transmission pad, which are connected to a driving element. The first transmission pad, the first test pad, the second transmission pad, and the second test pad transmit electrical signals to the active area via the first transmission lines and second transmission lines. The first transmission pads and the second transmission pads are disposed at a first end of the driving element while the third transmission pad is disposed at a second end of the driving element. The first and second test pads are disposed outside the coverage area of the driving element.

Abstract: A shift register includes a plurality of register stages. Each register stage includes an output circuit, a first switching circuit and a second switching circuit. The output circuit is capable of outputting a first driving signal. The first switching circuit is used to pull down the output circuit into a low voltage level when the output circuit is not outputting the first driving signal. The second switching circuit is capable of receiving an input signal. The first switching circuit holds electric charges by the parasitical capacitor resident in the transistor in order to keep the first switching circuit in a turn-on state when the output circuit is not outputting the first driving signal.

Abstract: A display is provided. The display includes a first timing controller, a second timing controller and drivers. The first timing controller receives and transmits a first portion of pixel values, in which the first portion of the pixel values includes the pixel values of at least two non-adjacent pixels. The second timing controller receives and transmits a second portion of the pixel values, in which the second portion of the pixel values includes the pixel values of at least two non-adjacent pixels. Each of the drivers receives respectively a part of the first portion of the pixel values transmitted by the first timing controller and a part of the second portion of the pixel values transmitted by the second timing controller. A method of transmitting image data in the display is also disclosed.

Abstract: A backlight module including a plurality of lamps, a first circuit board, and a second circuit board is provided. Each lamp has a first electrode and a second electrode. The first circuit board has a plurality of first openings and first conductive clips. The first electrode is disposed to extend through the first opening and to be clamped by the first conductive clip. Furthermore, a plurality of current adjustment devices is disposed on the first circuit board. The current adjustment device is electrically coupled to the first electrode through the first conductive clips. In the backlight module, the conductive clips or clamping pins of the current adjustment devices are used to hold the electrodes of lamps, thereby facilitating the assembly process of backlight module.

Abstract: A gate driver includes several first and second circuit units outputting first and second driving signals to odd and even gate lines, respectively, and each of the first circuit units or the second circuit units includes a signal output unit for outputting the driving signal and a shift register unit for outputting a start signal to a next circuit unit. A driving method is also disclosed.

Abstract: A driving circuit controlled with a clock signal to drive scan lines of a liquid crystal display includes cascade-connected driving circuit units, and each of the driving circuit units includes an input unit, an output unit, a pull-down circuit, and a control unit. The input unit receives a start signal, and the output unit outputs a driving signal and a carry signal, and the pull-down circuit and the control unit stabilizes the driving signal and the carry signal to prevent the circuit errors.

Abstract: A driving circuit includes a plurality of connected driving circuit units, and each of the driving circuit units includes an input unit, an output unit, a first control unit, a second control unit, and a pull-down circuit. Each of the driving circuit units receives a start signal and a clock signal to output an output signal to a next driving circuit unit. The first control unit, the second control unit, and the pull-down circuit are used to release the accumulative charges of the circuit and stabilize the output signal.