Novatek Microelectronics Corp.

Wing-Kai Tang

Ching-Chun Lin

Tsen-Wei Chang

Jiun-Jie Tsai

Chun-Yi Chou

Ching-Ho Hung

Hsueh-Yi Lee

Chih-Wei Tang

Hao-Jan Huang

Jin-Sheng Hsieh

Po-Chuan Chang-Chian

Yi-Liang Lin

Chih-Chang Lai

Shang-I Liu

Chia-Hsin Tung

Yu-Tsung Lu

Tzung-Yuan Lee

Chung-Jian Li

Shih-Jung Lu

Chun-Hung Chen

Kuang-Feng Sung

Yun-Hsiang Yeh

He-Wei Huang

Shu-Wei Chang

Ching-Yang Pai

Kai-I Dai

Chia-Lun Hsu

Shir-Kuan Lin

Tsun-Tu Wang

Wei-Yi Wei

Chao-chia Tsai

Shih-Chi Lin

Han-Chang Lin

Tzu-Jen Lo

Hsien-Lung Chen

A method for driving a touch panel includes applying a touch driving signal to the touch panel for touch sensing, wherein an amplitude of the touch driving signal rises and falls gradually.

Method for driving touch panel and related touch control circuit

A data transmission method applied in a display, which includes a display panel, is provided. The data transmission method includes the following steps of: providing a host controller and n display drivers, n is a natural number greater than 1; providing a communication link under mobile industry processor interface (MIPI), connecting the host controller to the n display drivers; determining n virtual channel values Vc-Vcn corresponding to the respective n display drivers; employing the host controller for providing a command with a virtual channel parameter through the communication link under MIPI; when the virtual channel parameter corresponds to an ivirtual channel values Vci, an idisplay driver executing corresponding operations in response to the command, while the rest n&#x2212;1 display drivers ignoring the command, wherein i is a natural number smaller than or equal to n.

Data transmission method and display driving system

An apparatus for driving a touch display panel is provided. The touch display panel has a plurality of data lines and a plurality of sensing lines. The apparatus includes a first device, a second device and a touch controller. The first device includes a plurality of touch sensing channels configured to sense the first portion of the sensing lines. The second device includes a plurality of touch sensing channels configured to sense the second portion of the sensing lines. The touch controller receives respective touch information from the first device and the second device. The respective touch information includes a first touch information corresponding to the first portion of the sensing lines and a second touch information corresponding to the second portion of the sensing lines. The touch controller determines a touch event of the touch display panel according to the first touch information and the second touch information.

Apparatus and method for driving a touch display panel

The touch panel includes a plurality of touch pads arranged in an array on the touch panel. Each of the touch pads are arranged in N columns and M rows, the touch pad in the icolumn and in the jrow is coupled to the touch pad in the (i&#x2212;1)column and in the (j&#x2212;1)row and the touch pad in the (i+1)column and in the (j+1)row, or the touch pad in the icolumn and in the jrow is coupled to the touch pad in the (i+1)column and in the (j&#x2212;1)row and the touch pad in the (i&#x2212;1)column and in the (j+1)row.

Touch panel

A touch panel module including a touch panel and an electrostatic discharge (ESD) protection circuit is provided. The touch panel includes one or more conductive electrodes and one or more dummy electrodes. The one or more conductive electrodes include at least one of one or more driving electrodes and one or more sensing electrodes. The one or more dummy electrodes are configured to fill areas between the one or more conductive electrodes or areas outside the one or more conductive electrodes. The ESD protection circuit is electrically connected to at least one dummy electrode of the one or more dummy electrodes, and configured to provide an electrostatic discharging path to the at least one dummy electrode. Furthermore, an electrostatic discharging method of the touch panel module is also provided.

Touch panel module and electrostatic discharging method

A touch panel module including a touch panel area and a non-touch panel area is provided. The touch panel module includes a touch panel. The touch panel is located in the touch panel area. The touch panel senses a touch gesture by using a plurality of first and second sensing electrodes. At least one part of the first sensing electrodes is located in the non-touch panel area. Another one part of the first sensing electrodes and a whole of the second sensing electrodes are located in the touch panel area. The touch gesture touches the touch panel module to generate a touch area. A touch position corresponding to the touch gesture on the touch panel is determined based on a ratio of an area of the first sensing electrodes touched by the touch gesture and the touch area.

Touch panel module

A touch panel and a display apparatus are provided. The touch panel includes a substrate, first sensing lines, second sensing lines, first extending portions, second extending portions, and insulation pads. The first sensing lines are disposed on the substrate in parallel with a first direction. The second sensing lines are disposed on the substrate in parallel with a second direction. The first sensing lines intersect the second sensing lines to define meshes. The first extending portions are connected to the first sensing lines and extended toward the meshes. The second extending portions are connected to the second sensing lines and extended toward the meshes. The first extending portions and the second extending portions are distributed next to each other in the meshes. The insulation pads are disposed at where the first sensing lines intersect the second sensing lines to insulate the first sensing lines from the second sensing lines.

Touch panel and display apparatus

A sensing and driving apparatus suitable for a sensing interface is provided. The sensing and driving apparatus includes a driving module and a sensing unit. The driving module outputs a first reference signal and a second reference signal which have different polarities with each other, and respectively transmits the first reference signal and the second reference signal to a first driving line and a second driving line of the sensing interface so as to generate a first sensing signal during a first period. The sensing unit receives the first sensing signal and detects a change of the first signal so as to generate a sensing result. A sensing and driving method, a touch sensing system and a device using the same are also provided herein.

Sensing and driving apparatus, touch sensing system, and sensing and driving method

A driving apparatus of a display is disclosed. The driving apparatus includes a digital-to-analog converter (DAC) circuit, an output buffer circuit and a pre-charge circuit. The DAC circuit receives a display data with a digital format for generating a gray level voltage. The output buffer circuit is coupled to the DAC circuit, and has an output terminal to output an output signal. The output buffer circuit receives the gray level voltage and the output signal, and compares the gray level voltage and the output signal to generate a comparison result. The pre-charge circuit is coupled to the output buffer circuit, and generates a pre-charge output signal to the output terminal of the output buffer circuit according to the comparison result and a pre-charge enable signal.

Driving apparatus of display with pre-charge mechanism

A single flexible printed circuit (FPC) board for connecting multiple modules including a thin film is provided. The thin film has a first module connecting portion, a second module connecting portion and a third module connecting portion. The first module connecting portion is located on a first side of the thin film. The second module connecting portion and the third module connecting portion are located on a second side of the thin film. The first side is opposite to the second side. At least one first line is disposed between the first module connecting portion and the second module connecting portion. At least one second line is disposed between the first module connecting portion and the third module connecting portion.

Single FPC board for connecting multiple modules and touch sensitive display module using the same

An integrated circuit (IC) including a high-speed signal input pin, a common node, a high-speed signal output pin, and a core circuit is provided. The high-speed signal input pin and the high-speed signal output pin are disposed on a package of the IC. The common node and the core circuit are disposed in the IC. The common node is directly and electrically coupled to the high-speed signal input pin. The high-speed signal output pin is directly and electrically coupled to the common node. A high-speed signal input terminal of the core circuit is directly and electrically coupled to the common node.

Integrated circuit chip with high speed input and output pins directly coupled to common node

A touch sensing system including a touch interface, at least one sensing unit, and a switching unit is provided. The sensing unit is coupled to the touch interface. The touch sensing system is switched to a first sensing mode or a second sensing mode by the switching unit according to a control signal. When the touch sensing system is in the first sensing mode, the sensing unit senses a first sensing signal and a second sensing signal of the touch interface. On the other hand, when the touch sensing system is in the second sensing mode, the sensing unit senses the first sensing signal according to a driving signal. An electronic touch apparatus and a touch sensing method are also provided.

Touch sensing system, electronic touch apparatus, and touch sensing method

A driving apparatus of a display is disclosed. The driving apparatus includes a digital-to-analog converter (DAC) circuit, an output buffer circuit and a pre-charge circuit. The DAC circuit receives a display data with a digital format for generating a gray level voltage. The output buffer circuit is coupled to the DAC circuit, and receives the gray level voltage. The output buffer circuit has an output terminal to output a driving output signal. The pre-charge circuit is coupled to the output buffer circuit, and generates a pre-charge output signal according to the gray level voltage and a pre-charge enable signal, and outputs the pre-charge output signal to the output terminal of the output buffer circuit.

Growing community of inventors

Hsinchu, Taiwan

Wing-Kai Tang