# US 2017/0255288 A1 · Touch display panel and touch display device

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- Number: US 2017/0255288 A1
- Document ID: US20170255288A1
- Status: Published application
- Kind: A1
- Application number: 15/207,715
- Filed: 2016-07-12
- Published: 2017-09-07
- Earliest claimed: 2016-03-03
- Assignees: Boe Technology Group Co., Ltd.; Beijing Boe Optoelectronics Technology Co., Ltd.
- Applicants: BOE Technology Group Co., Ltd.; Beijing BOE Optoelectronics Technology Co., Ltd.
- Inventors: Lei Wang; Rui Xu; Xiaochuan Chen; Ming Yang; Pengcheng Lu; Wenqing Zhao; Qian Wang; Xiaochen Niu; Jian Gao
- Web page: https://patentgrep.com/patent/US20170255288A1

## CPC

- G02F 1/1345: Conductors connecting electrodes to cell terminals
- G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F 3/0412: {Digitisers structurally integrated in a display}
- G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads}
- G02F 1/13338: {Input devices, e.g. touch panels}
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- 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
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

The present disclosure provides a touch display panel and a touch display device, for simplifying the structure of the touch display panel and reducing the cost of the touch display panel. The touch display panel includes an array substrate and an opposite substrate assembled together to form a cell, a sealant located within the edge frame area between the array substrate and the opposite substrate and containing therein a conductive gold ball, a sensing electrode located on a side of the opposite substrate facing away from the array substrate, and a touch drive integrated circuit located on the array substrate. The opposite substrate is provided with, within the edge frame area, a first via hole penetrating the opposite substrate and filled therein with a first conductor, and the sensing electrode is electrically connected with the touch drive integrated circuit via the first conductor and the conductive gold ball.

## Claims

### Claim 1

A touch display panel, the touch display panel having a display area and an edge frame area around the display area and comprising:
an array substrate and an opposite substrate, which are assembled together to form a cell;
a sensing electrode located on a side of the opposite substrate facing away from the array substrate;
a first conductive structure provided within the edge frame area; and
a touch drive integrated circuit located on the array substrate,
wherein the sensing electrode is electrically connected with the touch drive integrated circuit via the first conductive structure.

### Claim 2 (depends on 1)

The touch display panel according to claim 1, further comprising a sealant located within the edge frame area and between the array substrate and the opposite substrate and containing therein a conductive gold ball,
wherein the opposite substrate is provided with a first via hole within the edge frame area, the first via hole penetrates the opposite substrate and is filled therein with a first conductor that is electrically connected with a corresponding conductive gold ball in the sealant, and the first conductive structure is comprised of the first conductor and the conductive gold ball.

### Claim 3 (depends on 2)

The touch display panel according to claim 2, wherein each sensing electrode corresponds to at least one first via hole.

### Claim 4 (depends on 2)

The touch display panel according to claim 2, wherein the first via hole is provided in a portion of the opposite substrate within the edge frame area and corresponding to the sealant, such that the first conductor filled in each first via hole is in direct electrical contact with a corresponding conductive gold ball in the sealant.

### Claim 5 (depends on 2)

The touch display panel according to claim 2, wherein the first via hole has a circular cross-section with a diameter smaller than or equal to a width of the corresponding sensing electrode.

### Claim 6 (depends on 2)

The touch display panel according to claim 2, further comprising a first signal line arranged on the array substrate, the first signal line being electrically connected with the touch drive integrated circuit and the conductive gold ball that corresponds to the first via hole.

### Claim 7 (depends on 6)

The touch display panel according to claim 6, wherein there is a one-to-one correspondence between the first signal line and the sensing electrode.

### Claim 8 (depends on 1)

The touch display panel according to claim 1, further comprising a touch electrode arranged on the array substrate, the touch electrode being provided in a one-to-one correspondence with the sensing electrode.

### Claim 9 (depends on 1)

The touch display panel according to claim 1, further comprising a touch electrode arranged on the opposite substrate and a second conductive structure provided within the edge frame area, the touch electrode being electrically connected with the touch drive integrated circuit via the second conductive structure.

### Claim 10 (depends on 2)

The touch display panel according to claim 2, further comprising a touch electrode arranged on the opposite substrate and a second conductive structure provided within the edge frame area, the touch electrode being electrically connected with the touch drive integrated circuit via the second conductive structure.

### Claim 11 (depends on 9)

The touch display panel according to claim 9, wherein the opposite substrate is provided with a second via hole within the edge frame area, the second via hole penetrates the opposite substrate and is filled therein with a second conductor that is electrically connected with a corresponding conductive gold ball in the sealant, and the second conductive structure is comprised of the second conductor and the conductive gold ball corresponding to the second conductor.

### Claim 12 (depends on 10)

The touch display panel according to claim 10, wherein the opposite substrate is provided with a second via hole within the edge frame area, the second via hole penetrates the opposite substrate and is filled therein with a second conductor that is electrically connected with a corresponding conductive gold ball in the sealant, and the second conductive structure is comprised of the second conductor and the conductive gold ball corresponding to the second conductor.

### Claim 13 (depends on 12)

The touch display panel according to claim 12, wherein each sensing electrode corresponds to at least one second via hole.

### Claim 14 (depends on 12)

The touch display panel according to claim 12, wherein the second via hole is provided in a portion of the opposite substrate within the edge frame area and corresponding to the sealant, such that the second conductor filled in each first via hole is in direct electrical contact with the corresponding conductive gold ball in the sealant.

### Claim 15 (depends on 12)

The touch display panel according to claim 12, wherein the second via hole has a circular cross-section with a diameter smaller than or equal to a width of the corresponding touch electrode.

### Claim 16 (depends on 12)

The touch display panel according to claim 12, further comprising a second signal line arranged on the array substrate, the first signal line being electrically connected with the touch drive integrated circuit and the conductive gold ball that corresponds to the second via hole.

### Claim 17 (depends on 16)

The touch display panel according to claim 16, wherein there is a one-to-one correspondence between the second signal line and the touch electrode.

### Claim 18 (depends on 1)

A touch display device, comprising the touch display panel according to claim 1.

### Claim 19 (depends on 2)

A touch display device, comprising the touch display panel according to claim 2.

### Claim 20 (depends on 11)

A touch display device, comprising the touch display panel according to claim 11.
