Abstract: The present invention provides a touch panel and the touch detection circuit thereof, which comprise a gate driving circuit, a source driving circuit, and a detection circuit. The gate driving circuit is coupled to a plurality of gate lines of a display panel, outputs a plurality of gate signals to the plurality of gate lines, and controls state transition of the plurality of gate signals. The source driving circuit is coupled to a plurality of source lines of the display panel. The detection circuit is coupled to the plurality of source lines or to a portion of the plurality of source lines. The detection circuit detects the levels of the plurality of signals on the coupled source lines when the gate signals change states and generates a plurality of detection signals.

Abstract: The present invention provides a fingerprint identification panel and the fingerprint identification circuit thereof, which comprise a gate driving circuit, a source driving circuit, and a detection circuit. The gate driving circuit is coupled to a plurality of gate lines, outputs a plurality of gate signals to the plurality of gate lines, and controls a state transition of the plurality of gate signals. The source driving circuit is coupled to a plurality of source lines. The detection circuit is coupled to the plurality of source lines or to a portion of the plurality of source lines. The detection circuit detects the levels of the plurality of signals on the coupled source lines when the state of the gate signal is changed and generates a plurality of detection signals.

Abstract: A screen update method for a display device and a driving device thereof, the frame update method includes: following a write-in command, controlling a driving circuit to drive a display panel to update a screen; the write-in command represents writing a display data to a storage element. The driving device includes: the driving circuit, which is coupled to the display panel and drives the display panel to update the screen; and a control circuit, which receives the write-in command and the display data, is coupled to the driving circuit; the control circuit follows the write-in command writing the display data to the storage element, and follows the write-in command to control the driving circuit to drive the display panel to update the screen.

Abstract: The present invention relates to a touch detecting circuit, which comprises a touch driving circuit and a touch sensing circuit. The touch driving circuit generates a touch driving signal and provides it to at least one common electrode of a panel. The touch sensing circuit receives a plurality of sensing signals via a plurality of source lines or/and a plurality of gate lines of the panel for detecting the touch location. The sensing signals are generated corresponding to the touch driving signal. In addition, the touch driving circuit may provide the touch driving signal to the source lines. The touch sensing circuit receives the sensing signals via the gate lines for detecting the touch location.

Abstract: The invention relates to a source driver and a composite level shifter. The source driver comprises a data buffer circuit, a plurality of level shifters and a plurality of driving circuits. The data buffer circuit receives and registers a plurality of pixel data during a driving period. The level shifters convert the voltage levels of the pixel data registered in the data buffer circuit during the driving period. The driving circuits generate a plurality of source signals according to the converted pixel data during driving period. The data buffer circuit may comprise a plurality of composite level shifters for converting the voltage levels of the pixel data, and latching the converted pixel data.

Abstract: The present invention provides a touch module, which comprises a touch panel, an analog front end circuit, and a microcontroller circuit. The touch panel generates a plurality of sensing signals. The analog front end circuit is coupled to the touch panel, generates a state signal, and generates a plurality of touch detecting signals according to the plurality of sensing signals. The microcontroller circuit is coupled to the analog front end circuit, generates one or more touch location signal according to the plurality of touch detecting signals, and enters the next switching state according to the state signal when the switching state is changed.

Abstract: A driving circuit of a display panel comprises a scanning driving circuit, a data driving circuit, and a control circuit. The scanning driving circuit is coupled to a plurality of scanning lines of the display panel, and scans the scanning lines. The data driving circuit is coupled to a plurality of data lines of the display panel and provides at least one data signal corresponding to each scanning line to at least one data line of the data lines for driving at least one pixel of the display panel. The control circuit is coupled to the scanning driving circuit and the data driving circuit, controls the scanning driving circuit and the data driving circuit, and determines a scanning order of the scanning driving circuit to scan the scanning lines according to a driving number of the pixels to be driven by the data driving circuit corresponding to each scanning line.

Abstract: A driving circuit for a display panel includes a common voltage generating circuit. The common voltage generating circuit is coupled to multiple common electrodes of the display panel and configured to provide multiple common voltages respectively to the common electrodes. During a frame period, the common voltage generating circuit respectively changes a voltage level of the common voltages at different time.

Abstract: A driving circuit for display panel is provided. Wherein, a first and a second power supply circuits produce a first and a second supply voltages. The electric charge provided by the second power supply circuit is less than that provided by the first power supply circuit. A plurality of drivers include a plurality of first power input terminals and a plurality of second power input terminals. The first power input terminals are coupled to the first power supply circuit and receives the first supply voltage. The second power input terminals are coupled to the second power supply circuit and receives the second supply voltage. The drivers increase the voltage levels of a plurality of gate signals in a voltage rising period according to the first supply voltage. The drivers hold the voltage levels of gate signals in a voltage holding period according to the second supply voltage.

Abstract: The present invention relates to a fan control system, which comprises a controller and a detection circuit. The controller controls a fan. The detection circuit detects at least one state of the fan control system, and generates a confirmation signal according to the at least one state. The confirmation signal represents the state of the fan control system.

Abstract: The present invention provides a reference voltage generating circuit. The reference voltage generating circuit includes a charge supply circuit providing a first reference voltage during a first period; and a voltage supply circuit providing a second reference voltage during a second period. The voltage supply circuit does not provide the second reference voltage during the first period.

Abstract: The present invention discloses a lead structure of the circuit, which comprises a first lead and a second lead. The first lead includes a first bump connecting part and a first lead segment. The first lead segment is connected to the first bump connecting part. The width of the first lead segment is smaller than the width of the first bump connecting part. The second lead is adjacent to the first lead and there is a lead gap therebetween. The second lead also includes a second bump connecting part and a first lead segment. The first lead segment of the second lead is connected to the second bump connecting part. The second bump connecting part and the first bump connecting part are arranged staggeredly. The second bump connecting part is adjacent to the first lead segment of the first lead.

Abstract: The present invention provides a touch circuit, which comprises a detection circuit and an emulation circuit. The detection circuit detects a detection signal; the emulation circuit includes a reference load and receives a signal. The emulation circuit generates an emulation signal according to the reference load and the signal. The touch circuit outputs a touch signal according to the detection signal and the emulation signal.

Abstract: The invention relates to a display driving circuit, which comprises a gate driving circuit and a source driving circuit. The gate driving circuit outputs a plurality of gate signals. The source driving circuit outputs a plurality of source signals and changes the levels of the source signals when the levels of the gate signals are a turn-off level.

Abstract: The present invention relates to a driving circuit of a display panel. A plurality of driving units produce a reference driving voltage according to a gamma voltage of a gamma circuit, respectively. A plurality of digital-to-analog converting circuits receive the reference driving voltages output by the plurality of driving units, and select one of the plurality of reference driving voltage as a data driving voltage according to pixel data, respectively. The plurality of digital-to-analog converting circuits transmit the plurality of data driving voltages to the display panel for displaying images. A voltage boost circuit is used for producing a first supply voltage and providing the first supply voltage to the plurality of digital-to-analog converting circuits. At least a voltage boost unit is used for producing a second supply voltage and providing the second supply voltage to the plurality of driving units.

Abstract: The present invention discloses a video data display device including a plurality of driving circuit. Each driving circuit includes a status controller, a data receiver, an output data generation unit, and an output buffer. The status controller couples with the data receiver, the output data generation unit, and the output buffer. The status controller generates a status signal based on the operation information of the data receiver, the output data generation unit, or the output buffer. The status controller transmits the status signal to the status controller of other driving circuits.

Abstract: The invention is related to a back-light device. The back-light device comprises a reflection structure and a back-light plate. A plurality of light-emitting elements, disposed on the back-light plate, face a light-entering side of the reflection structure, and the emitted light of the light-emitting elements enters the light-entering side of the reflection structure and is reflected to a light-emitting side of the reflection structure by the reflection of the reflection structure for forming a back-light source emitted to a display panel.

Abstract: The present invention provides a compensation circuit for display images and a method for determining compensation region for display images. The method calculates a first compensation boundary and a second compensation boundary corresponding to the locations of panel cut regions. The region between the first compensation boundary and the second compensation boundary is an image compensation region for compensating the pixels therein. Thereby, according to the compensation circuit and method of the present invention, the image compensation region can be determined corresponding to the locations of the panel cut regions. By adjusting the compensation boundaries, the image compensation region can be modified.

Abstract: The present invention relates to a driving circuit, the touch device thereof, the touch module thereof, and the method for manufacturing the same. The present invention comprises a control circuit, a scan circuit, a touch panel, and a detection circuit. The control circuit generates an input signal. The scan circuit comprises a plurality of signal generating circuits, which receive the input signal, generate a plurality of scan signals according to the input signal, and output the plurality of scan signals to the plurality of scan electrodes of the touch panel. The detection circuit detects the touch panel according to the plurality of scan signals and outputs a detection signal to the control circuit to let the control circuit know at least a touch point of the touch panel being touched.

Abstract: A power supply system for a circuit device includes a power supply unit, a switch unit and a voltage detector. The power supply unit, coupled to the circuit device via a power line, is used for supplying basic power for the circuit device via the power line, wherein the power line is coupled to the circuit device via a plurality of nodes. The switch unit, near to a node among the plurality of nodes, is coupled to the circuit device via the power line. The voltage detector, coupled to the circuit device and the switch unit, is used for detecting a voltage of the node and controlling the switch unit to be closed to allow the circuit device to receive auxiliary power via the switch unit when detecting that the voltage of the node is lower than a first threshold value.