Ili Technology Corporation

Mstar Semiconductor, Inc.

Ping-Yu Chan

Guo-Kiang Hung

Song-Yi Lin

Kai-Ting Ho

Chi Kang Liu

Chi-Kang Liu

I-Cheng Ting

A double-layer mutual capacitive touch panel includes a first conductive layer and a second conductive layer. The first conductive layer includes multiple electrodes arranged in an array. In each column of the array, the electrodes at the ((N*M)&#x2212;1)row are mutually electrically connected to form a first electrodes series, and the electrodes at the (N*M)row are mutually electrically connected to form a second electrode series, where N is a positive integer greater than or equal to 2 and M is a positive integer greater than or equal to 1. The second conductive layer includes M mutually insulated electrode strip groups sequentially arranged along a column direction of the array. Each electrode strip group includes N electrode strips mutually electrically connected, and each electrode strip of each electrode strip group extends along a row direction of the array and overlaps the electrodes of the corresponding row.

Double-layer mutual capacitive touch panel

A capacitive sensing device includes: a substrate; a touch sensing electrode group, disposed above the substrate; a fingerprint sensing electrode group, disposed above the substrate; and a capacitive sensing integrated circuit, electrically connected to the touch sensing electrode group and the fingerprint sensing electrode group, sensing a capacitance change in the touch sensing electrode group to generate a touch control instruction, and sensing a capacitance change in the fingerprint sensing electrode group to generate a fingerprint pattern.

Capacitive sensing device, fingerprint sensing device and method for manufacturing capacitive sensing device

A control method for a touch display device including a display panel is provided. The display panel includes multiple first gate lines and multiple second gate lines respectively corresponding to a first field and a second field of a frame, and multiple sensing electrodes for touch sensing. Within one single frame period, the control method includes: scanning the first gate lines to update the first field; controlling the sensing electrodes to perform touch sensing and providing a first touch report; scanning the second gates lines to update the second field; and controlling the sensing electrodes to perform touch sensing and providing a second touch report. At least one of the first gates lines is located between two of the second gate lines, and at least one of the second gate lines is located between two of the first gate lines.

Touch display device and associated control method

A touch control and display control module of a touch screen includes (n&#xd7;y) rows of sensing units disposed on a substrate. The touch control and display control module includes: a control circuit, controlling the touch screen to operate in one of a frame update mode and a touch sensing mode; and n first control lines, y second control lines and n control signal output circuits disposed on the substrate. Each control signal output circuit is coupled to one of the n first control line, and includes y control signal buffer units. Each control signal buffer units is coupled to one of the y second control lines and sensing units of one row to output a voltage signal to the sensing units of that row, to cause the sensing units of that row to operate in one of the frame update mode and the touch sensing mode.

Touch screen control and display circuit and method alternating a frame update mode and a touch sensing mode

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.

In-cell touch display panel

A single-layer multi-touch sensing electrode group of a touch panel includes a plurality of first electrodes, and a plurality of second electrodes including a plurality of first sub-electrodes and a plurality of second sub-electrodes that are alternately arranged. Each of the first sub-electrodes includes a first body and a first extension portion. A first accommodating space is formed between the first body and the first extension portion. Each of the second sub-electrodes includes a second body and a plurality of second extension portions. At least one second accommodating space is formed among the second extension portions. Each of first accommodating spaces accommodates one of the second extension portions, and the second accommodating spaces accommodate the first bodies. A plurality of mutual capacitance changes between the first electrodes and the second electrodes are for calculating a position of a touch event.

Growing community of inventors

Hsinchu County, Taiwan

Ping-Yu Chan