Mstar Semiconductor, Inc.

Ili Technology Corporation

Chi Kang Liu

Guo-Kiang Hung

Chin-Wei Lin

Min-Nan Hsieh

Chien Chuan Chen

Ping-Yu Chan

Huimin Tsai

A touch display panel includes a substrate, a plurality of data lines, a plurality of touch sensing lines, and a plurality of gate lines. The data lines are disposed above the substrate, and extend along a first direction. The touch sensing lines are disposed above the substrate, extend along a second direction different from the first direction, and intersect with the data lines. The gate lines are disposed above the substrate, extend along the second direction, and intersect with the data lines. The touch sensing lines or the gate lines and the data lines form touch sensing elements.

Touch display panel

An in-cell touch display panel includes a substrate, a semiconductor stack, a transparent layer, an insulation layer, and a metal layer. The semiconductor stack is disposed on the substrate, and includes a plurality of pixel control elements. The transparent layer is disposed on the semiconductor layer stack, and includes a plurality of first touch electrode portions and a plurality of first connecting lines extending along a first direction. The insulation layer is disposed on the transparent layer. The metal layer is disposed on the insulation layer, and includes a plurality of second touch electrode portions and a plurality of second connecting lines extending along a second direction. The second connecting lines and the first touch electrode portions form a plurality of first touch electrode strips, and the first connecting lines and the second touch electrode portions form a plurality of second touch electrode strips.

In-cell touch display panel

A touch sensing method of an electronic apparatus is provided. The electronic device includes a touch sensor and a motion sensor. The touch sensing method includes: performing touch detection with the touch sensor to generate a touch signal having a first amplitude; performing motion detection with the motion sensor to generate a motion signal having a second amplitude; determining whether the first amplitude is smaller than a first predetermined value, and determining whether the second amplitude is greater than a second predetermined value; and when the first amplitude is smaller than the first predetermined value and the second amplitude is greater than the second predetermined value, increasing a signal gain corresponding to the touch signal.

Electronic apparatus and mode control method and touch sensing method thereof

An in-cell touch display panel includes a substrate, a semiconductor stack, a transparent layer, an insulating layer and a metal layer. The semiconductor stack is disposed on the substrate. The transparent layer is disposed on the semiconductor stack, and includes a plurality of connecting electrode strips extending along a first direction. The insulating layer is disposed on the transparent layer. The metal layer is disposed on the insulating layer, and includes a plurality of first touch electrode strips and a plurality of first touch electrode portions. The first touch electrode strips extend along a second direction. The first touch electrode portions and the connecting electrode strips form a plurality of second touch electrode strips extending along the first direction. The first touch electrode strips intersect and are insulated from the second touch electrode strips.

An in-cell touch display device includes a first substrate, a plurality of common lines and a plurality of data lines. The common lines are disposed on the first substrate and extend along a first direction. The data lines are disposed on the first substrate and extend along a second direction. The common lines intersect and are insulated from the data lines. A plurality of touch sensing capacitors are formed at intersections of the common lines and the data lines to perform touch sensing.

In-cell touch display device and driving method thereof

An in-cell touch display panel includes a substrate, a semiconductor stack, a transparent layer, an insulation layer and a metal layer. The semiconductor stack is disposed on the substrate, and includes a plurality of pixel control elements. The transparent layer is disposed on the semiconductor stack, and includes a plurality of first touch electrode strips extending along a first direction. The insulation layer is disposed on the transparent layer. The metal layer is disposed on the insulation layer, and includes a plurality of second touch electrode strips extending along a second direction. The first touch electrode strips intersect and are insulated from the second touch electrode strips.

A capacitive touch screen sensing apparatus is provided. The apparatus includes a protecting layer; a sensing layer under the protecting layer for sensing a touch to generate a position signal; and a DC common voltage signal layer electrically connected with a DC voltage for shielding against signal interferences.

Capacitive sensing apparatus and method applied to touch screen using the capacitive sensing apparatus

A portable control apparatus includes a driver, a baseband controller, and a crystal oscillator. The driver includes an oscillating circuit that generates a feedback signal. The baseband controller coupled to the driver receives the feedback signal, and outputs a calibrating signal to the driver according to the feedback signal. The crystal oscillator coupled to the baseband controller generates an accurate output frequency for operating the baseband controller.

Portable control apparatus and method thereof for calibrating an oscillating circuit

A control system for a touch screen is provided. The control system includes a voltage-level shifter between a screen controller and a touch controller. The voltage-level shifter level-shifts a common voltage for driving the screen to a corresponding timing signal with an input signal range acceptable by the touch controller.

Control system for touch screen

A touch screen includes an LCD panel; a display controller for processing a video signal to generate a panel control signal and a sensing control signal, with the panel control signal controlling the LCD panel so that the LCD panel displays images according to the panel control signal; a touch panel, for generating the sensing signal in response to a touch; and a sensing circuit, coupled to the touch panel and the display controller, for receiving the sensing signal and the sensing control signal to generate a position signal with reference to the sensing control signal.

Touch sensing method and associated apparatus based on display panel common voltage

A driving circuit on a liquid crystal display (LCD) panel and associated control method is provided. The LCD panel connected to a display control circuit via a flexible print circuit (FPC) includes a master source driver, for inputting a digital image signal in compliance with a first electrical specification via an FPC board and converting the digital image signal to a gate driving signal and a slave source driving signal, which are in compliance with a second electrical specification; a gate driver, for receiving the gate driving signal in compliance with the second electrical specification; and a slave source driver, for receiving the slave source driving signal in compliance with the second electrical specification. The master source driver, the slave source driver and the gate driver drive a thin-film transistor (TFT) on the LCD panel.

LCD panel driving circuit having transition slope adjusting means and associated control method

A touch sensing device capable of accurately detecting a touched position on a touch panel includes a touch panel, a conversion unit and a calculation unit. The touch panel having a plurality of horizontal sensing lines and vertical sensing lines generates a plurality of horizontal sensing signals and vertical sensing signals in response to a touch on the touch panel. The conversion unit generates a plurality of two-dimensional (2D) sensing signals according to the horizontal and vertical sensing signals. The calculation unit determines a touched position on the touch panel according to the 2D sensing signals.

Touch sensing device and method

An e-fuse and an e-fuse control circuit are provided. The e-fuse includes a polysilicon layer and a metal silicide layer stacked on the polysilicon layer. The e-fuse operates in an open state when the silicide layer is broken by burning while one portion of the polysilicon layer is exposed.

Growing community of inventors

Hsinchu Hsien, Taiwan

Chi Kang Liu