Abstract: A touch sensing circuit includes N periodic-wave signal generation modules, an analog front-end circuit module, N mixing modules, and N integration modules. N is an integer. The N periodic-wave signal generation modules generate N first periodic-wave signals having N frequencies to N first channels of a capacitive touch panel. The analog front-end circuit module receives and demodulates the N first periodic-wave signals passing through N mutual capacitance at N intersection points of the N first channels and a second channel to output an analog front-end signal. The N mixing modules mix the analog front-end signal and N second periodic-wave signals having the N frequencies respectively into N mixed signals. The N integration modules integrate the N mixed signals to generate N output signals.

Abstract: A gate driver includes a gate driving main circuit and a power sequence control circuit. The gate driving main circuit disposed between an operating voltage and ground is coupled to a first gate voltage and a second gate voltage. The operating voltage is higher than ground and first gate voltage is higher than second gate voltage. The power sequence control circuit includes first-type transistors, a second-type transistor, a transistor and a judging circuit. The first-type transistors are coupled in series between first gate voltage and a first node and their gates are coupled to a second node. The second-type transistor is coupled between first node and second gate voltage and its gate is coupled to second node. The transistor is coupled between first gate voltage and gate driving main circuit and its gate is coupled to first node. The judging circuit generates an output signal to second node.

Abstract: The present invention provides a display panel driving circuit and compensation method thereof. The display panel driving circuit comprises a near end load, a far end load, an operating circuit and a pre-charging control circuit. The operating circuit is configured to receive display data. The pre-charging control circuit is coupled to the near end load and the far end load respectively. The pre-charging control circuit outputs a first signal and a second signal to the near end load and the far end load respectively according to the display data that a first waveform from the near end load is the same as a second waveform from the far end load.

Abstract: A self-capacitive touch display panel includes a resistor, a first capacitor, a second capacitor, a third capacitor, a common electrode, a display driving source, and a touch sensing circuit. The first capacitor is coupled between a first terminal of the resistor and a ground terminal. The second capacitor and the third capacitor are coupled in series between the first terminal of the resistor and the ground terminal. The common electrode is coupled to a second terminal of the resistor. The display driving source is coupled between the second capacitor and the third capacitor. The touch sensing circuit is coupled to the common electrode and used to sense a touch capacitance via the common electrode when touch sensing. A first driving voltage of the display driving source is larger than a second driving voltage of the common electrode, so that the touch capacitance sensed by the touch sensing circuit is smaller than the capacitance of the first capacitor.

Abstract: An in-cell touch panel and its trace layout are disclosed. The in-cell touch panel includes a plurality of pixels. Each pixel has a laminated structure bottom-up including a substrate, a TFT layer, a liquid crystal layer, a color filter layer, and a glass layer. The TFT layer is disposed on the substrate. A first conductive layer and a second conductive layer are integrated in the TFT layer. The liquid crystal layer is disposed on the TFT layer. The color filter layer is disposed on the liquid crystal layer. The glass layer is disposed on the color filter layer. The design of touch sensing electrodes and their trace layout in the in-cell touch panel of the application is simple and it can effectively reduce cost and reduce the RC loading of a common electrode.

Abstract: A capacitive fingerprint sensing apparatus includes sensing electrodes, a sensing driver, and a processing module. In a self-capacitive sensing mode, the sensing driver performs self-capacitive sensing on at least one sensing electrode to obtain a first fingerprint sensing signal. In a mutual-capacitive sensing mode, the sensing driver performs mutual-capacitive sensing on at least two adjacent sensing electrodes to obtain a second fingerprint sensing signal. The processing module generates a first fingerprint pattern and a second fingerprint pattern according to the first fingerprint sensing signal and the second fingerprint sensing signal and combines the first fingerprint pattern and the second fingerprint pattern into a combined fingerprint pattern. The resolution of the combined fingerprint pattern along at least one direction is larger than that of the first fingerprint pattern and the second fingerprint pattern along the at least one direction.

Abstract: The capacitive fingerprint sensing apparatus and capacitive fingerprint sensing method of the invention perform fingerprint sensing through self-capacitive sensing technology and mutual-capacitive sensing technology respectively and combine the self-capacitive fingerprint pattern and the mutual-capacitive fingerprint pattern into a synthesized fingerprint pattern. Therefore, the capacitive fingerprint sensing apparatus and capacitive fingerprint sensing method of the invention can effectively increase the capacity sensed by the unit sensing electrode without decreasing its high resolution. As a result, not only the noise interference can be reduced to increase the accuracy of fingerprint recognition, but also the number of signal traces can be also reduced to simplify the circuit structure and save the chip area.

Abstract: A self-capacitive touch and force sensing apparatus includes a metal layer, a sensing component layer, an air gap layer and a processing module. The sensing component layer is disposed above metal layer. The air gap layer is formed between metal layer and sensing component layer. When the self-capacitive touch and force sensing apparatus is operated in a self-capacitive touch sensing mode, metal layer is driven and synchronized with a touch signal, so that no capacitive effect between sensing component layer and metal layer and a first capacitance change is sensed; when the self-capacitive touch and force sensing apparatus is operated in a self-capacitive force sensing mode, metal layer is grounded, so that there is a capacitive effect between sensing component layer and metal layer and a second capacitance change is sensed. The processing module obtains a third capacitance change according to first capacitance change and second capacitance change.

Abstract: A touch time arranging method, applied to a panel display driving circuit having touch timing control function in a touch display panel, includes: dividing the resolution of touch display panel along a first direction by K touch regions of touch display panel along the first direction to obtain a first quotient; obtaining a digital combination including a first value I and a second value J closest to the integer part of first quotient; if the ratio of the number of occurrences of the first value and second value in the digital combination is X:Y, dividing the resolution by (I*X+J*Y) to obtain a second quotient; when the touch display panel displays R lines in order under a display mode, the touch display panel is switched to a touch mode every I lines and J lines alternately according to the digital combination to arrange a touch time to perform touch sensing.

Abstract: An in-cell mutual-capacitive touch panel is disclosed. The in-cell mutual-capacitive touch panel includes a plurality of pixels. A laminated structure of each pixel includes a substrate, a TFT layer, a liquid crystal layer, a color filter layer and a glass layer. The TFT layer is disposed on the substrate. A first conductive layer and a common electrode are disposed in the TFT layer. The first conductive layer is arranged in mesh type or only arranged along a first direction in an active area of the in-cell mutual-capacitive touch panel. The liquid crystal layer is disposed above the TFT layer. The color filter layer is disposed above the liquid crystal layer. The glass layer is disposed above the color filter layer.

Abstract: A display apparatus and operating method thereof are disclosed. The display apparatus includes a display panel and a driving IC. A display area of the display panel is divided into sub-display areas. The driving IC is coupled to the display panel. The driving IC includes registers corresponding to the sub-display areas respectively. The driving IC receives a display data and obtains a plurality of color information corresponding to the sub-display areas respectively according to the display data, and then stores the plurality of color information in the registers respectively. When the frame display by the display panel has not to be refreshed, the driving IC stops receiving the display data and converts the plurality of color information stored in the registers into corresponding colors respectively and outputs them to the sub-display areas of the display panel to display.

Abstract: A driver applied to a display apparatus is disclosed. The driver includes 2(N+1) source channels, M display lines, and an output polarity control module. N and M are positive integers. Polarity outputs of the M display lines are independently controlled and have no dependencies between each other. The output polarity control module provides (N+1) polarity inversion control signals. A K-th polarity inversion control signal of the (N+1) polarity inversion control signals controls polarities outputted by the (2K?1)-th source channel and the 2K-th source channel of the 2(N+1) source channels. K is a positive integer and 1?K?(N+1).

Abstract: A display recording information and generation method thereof are disclosed. The display recording information is used to record the corresponding relationship between the display information received by a driving IC of a display and pixels of the display. The display recording information is formed by one byte (8 bits). Its first bit through six bit record a counting result that a number counter or a column counter performs a six-bit counting on a number of pixels or a number of columns of pixels starting from 0; its seventh bit uses 0 or 1 to record that the counting result belongs to the number of pixels or a number of columns of pixels; its eighth bit uses 1 to record that a most significant bit of the display information including red, green, or blue is 1, otherwise uses 0 to record.

Abstract: A power on reset circuit applied to a gate driver of a display apparatus is disclosed. The power on reset circuit is coupled between an operating voltage and a ground terminal. The power on reset circuit includes an output terminal, a first transistor, a second transistor, a resistor, and a buffer circuit. The first transistor is coupled between the operating voltage and a first node. A gate of first transistor is coupled to the first node. The second transistor is coupled between the operating voltage and the first node. A gate of second transistor is coupled to the ground terminal. The resistor is coupled between the first node and ground terminal. The buffer circuit is coupled between the first node and output terminal and outputs a reset signal through the output terminal. A second threshold voltage of second transistor is larger than a first threshold voltage of first transistor.

Abstract: An in-cell touch panel including pixels is disclosed. A laminated structure of each pixel includes a substrate, a TFT layer, a color filter layer, at least one protrusion, a first conductive layer and a second conductive layer. The TFT layer is disposed on the substrate. The color filter layer is disposed above the TFT layer. The at least one protrusion is disposed under the color filter layer opposite to the TFT layer. The first conductive layer is disposed above the TFT layer opposite to the color filter layer. The second conductive layer is disposed on the at least one protrusion. The first conductive layer and a part of second conductive layer are electrically connected, so that the first conductive layer which is disposed near the TFT layer and not electrically connected originally can be electrically connected through the second conductive layer disposed near the color filter layer.

Abstract: A display including a display panel and a control module is disclosed. The display panel includes a plurality of same sub-pixel matrixes. Each sub-pixel matrix is formed by arranging a plurality of sub-pixels. The plurality of sub-pixels includes first sub-pixels corresponding to a first color, second sub-pixels corresponding to a second color, and third sub-pixels corresponding to a third color. The first sub-pixels, the second sub-pixels, and the third sub-pixels are all arranged on the display panel to form a shape of fold line having different folding lengths. The control module is coupled to the display panel and used to output a control signal to the display panel according to a display data to drive the plurality of sub-pixels on the display panel.

Abstract: A driving circuit applied to a LCD apparatus is disclosed. The driving circuit includes a channel data line, a reference voltage generation unit, an external storage capacitor, a comparing unit, a switching unit, and an operation unit. The channel data line transmits a data. The reference voltage generation unit generates a reference voltage. A terminal of the external storage capacitor is coupled to ground. The comparing unit compares the reference voltage and a capacitor voltage and outputs a compared result. The switching unit is coupled to another terminal of the external storage capacitor and the channel data line. The operation unit is coupled to the comparing unit, the channel data line, and the switching unit to receive the compared result and a MSB of the data to operate, and to selectively switch on the switching unit.

Abstract: An in-cell mutual-capacitive touch panel and its trace layout are disclosed. Horizontal traces of first direction touch electrode and horizontal traces of MFL electrode are disposed at both upper-side and lower-side out of an active area of in-cell mutual-capacitive touch panel respectively. The horizontal traces of MFL electrode are closer to the active area of in-cell mutual-capacitive touch panel than the horizontal traces of first direction touch electrode to reduce the additional coupling between the traces and electrodes. At least one trace is disposed at right-side and left-side out of an active area of in-cell mutual-capacitive touch panel to reduce entire RC loading of the in-cell mutual-capacitive touch panel.

Abstract: A level shifter applied to a driving circuit of a display is disclosed. The level shifter at least includes a first stage of level shifting unit, a second stage of level shifting unit, and two third stage of level shifting units belonging to different power domains and used to perform boost conversion of voltage signals in different power domains. The first stage of level shifting unit includes eight transistors. The second stage of level shifting unit includes four transistors. The two third stage of level shifting units both include six transistors and two output terminals. The level shifter of the driving circuit in this invention makes the output terminals of the two third stage of level shifting units belonging to different power domains to synchronously output the voltage-shifted voltage signals.

Abstract: An in-cell mutual-capacitive touch panel having low RC loading and its trace layout are disclosed. A first conductive layer and a second conductive layer are used as bridge of TX electrode and MFL electrode above an active area of in-cell mutual-capacitive touch panel. The second conductive layer and a transparent conductive layer are used as bridge of TX electrode and MFL electrode at the lower-side out of the active area. Cooperated with at least one driving IC having more than two sets of TX electrode pins and MFL electrode pins and the number of the at least one driving IC is determined according to the size of the in-cell mutual-capacitive touch panel. At the same time, the second conductive layer has traces in parallel distributed in the same electrode area of the active area. Therefore, the RC loading of the in-cell mutual-capacitive touch panel of the invention can be largely reduced.