# US 2017/0255307 A1 · A full-in-cell touch screen panel and a mobile device

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- Number: US 2017/0255307 A1
- Document ID: US20170255307A1
- Status: Published application
- Kind: A1
- Application number: 14/893,152
- Filed: 2015-10-29
- Published: 2017-09-07
- Earliest claimed: 2015-09-15
- Assignees: Shenzhen China Star Optoelectronics Technology Co., Ltd.; Wuhan China Star Optoelectronics Technology Co., Ltd.
- Applicants: Shenzhen China Star Optoelectronics Technology Co., Ltd.; Wuhan China Star Optoelectronics Technology Co., Ltd.
- Inventors: Feilin JI; Taisheng AN
- Web page: https://patentgrep.com/patent/US20170255307A1

## CPC

- G06F 3/0412: {Digitisers structurally integrated in a display}
- G02F 1/13338: {Input devices, e.g. touch panels}
- G02F 1/134309: {characterised by their geometrical arrangement}
- G02F 1/136286: {Wiring, e.g. gate line, drain line}
- G02F 1/1368: in which the switching element is a three-electrode device {(G02F1/136277 takes precedence)}
- G06F 3/04166: {Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving (Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally G06F3/04184)}
- G06F 3/04184: {Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally}
- G06F 3/0443: {using a single layer of sensing electrodes}
- G02F 1/133514: {Colour filters}
- G02F 2201/121: common or background
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS

## Abstract

The invention disclosure a full-in-cell touch screen panel and a mobile device including a plurality of the sensor pads arranged in a matrix, a plurality of date line arranged along the row direction of the matrix, a plurality of data driving devices connected to the data lines and a plurality of transistors formed on the data line, wherein one of the transistor of the plurality of the transistors is formed in each of the data line, the drain electrode of each transistor is connected to the corresponding data line, the gate electrodes of all of the plurality of the transistors are all connected to the specific enable terminal of the data driving device. According to the full-in-cell touch screen panel and its display apparatus, the electric charge coupled to the liquid crystal in the touch scanning period can be released.

## Claims

### Claim 1

A full-in-cell touch screen panel comprising: a plurality of the sensor pads arranged in a matrix; a plurality of date line arranged along the row direction of the matrix; a plurality of data driving devices connected to the data lines; and a plurality of transistors formed on the data line, wherein one of the transistor of the plurality of the transistors is formed in each of the data line, the drain electrode of each transistor is connected to the corresponding data line, the gate electrodes of all of the plurality of the transistors are all connected to the specific enable terminal of the data driving device.

### Claim 2 (depends on 1)

The full-in-cell touch screen panel according to claim 1, wherein the source electrode of each of the transistor is connected to the last ends of the sensor pads in a row of the sensors pads in the adjacent row of the corresponding data line.

### Claim 3 (depends on 1)

The full-in-cell touch screen panel according to claim 1, wherein the source electrode of each of the transistor is connected to each of the sensor pads.

### Claim 4 (depends on 1)

The full-in-cell touch screen panel according to claim 1, wherein the plurality of the sensor pads and the common electrode are in multiple operation by time divisions, wherein in the normal display period of the liquid crystal panel, the plurality of the sensor pads is operated as a common electrode; in the touch scanning period, the plurality of the sensor pads is operated for the touch scanning

### Claim 5 (depends on 1)

The full-in-cell touch screen panel according to claim 1, wherein the full-in-cell touch screen panel further comprising a liquid crystal panel integrated with the full-in-cell touch screen panel, a gate driving device for driving the liquid crystal panel, and a plurality of the gate line to transmit the gate driving signal to the liquid crystal panel, wherein the plurality of the data line is connected to the liquid crystal panel to transmit the data signal of the data driving device to the liquid crystal panel.

### Claim 6 (depends on 5)

The full-in-cell touch screen panel according to claim 5, wherein a plurality of frames is includes in a standby mode of the display panel, each frame has a predetermine touch scanning period, the plurality of the sensor pads operate the touch scanning of the predetermine touch scanning period in each frame, wherein in the period from the Mth frame to the Nth frame, the specific enable terminal of the data driving device input a low electrical level signal, the gate driving device not input a gate driving signal, in the N+1th frame period, the clean screen period after the touch scanning period, the specific enable terminal of the data driving device input a high electrical level signal, the gate driving device input a gate driving signal to each of the plurality of the gate line accordingly, and the plurality of the sensor pads is operated as a common electrode, wherein the M and N is a whole number and N is larger than M.

### Claim 7 (depends on 6)

The full-in-cell touch screen panel according to claim 6, wherein the electrical level of the common electrode is a ground electrical level in the clean screen period.

### Claim 8

A mobile device, wherein the mobile device having a full-in-cell touch screen panel, and the full-in-cell touch screen panel comprising: a plurality of the sensor pads arranged in a matrix; a plurality of date line arranged along the row direction of the matrix; a plurality of data driving devices connected to the data lines; and a plurality of transistors formed on the data line, wherein one of the transistor of the plurality of the transistors is formed in each of the data line, the drain electrode of each transistor is connected to the corresponding data line, the gate electrodes of all of the plurality of the transistors are all connected to the specific enable terminal of the data driving device.