# US 2021/0278948 A1 · Display device

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- Number: US 2021/0278948 A1
- Document ID: US20210278948A1
- Status: Published application
- Kind: A1
- Application number: 17/096,710
- Filed: 2020-11-12
- Published: 2021-09-09
- Earliest claimed: 2020-03-03
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Mi Young KIM; Kwang Hyeok Kim; So Yeon Park; Yong Hwan Park
- Web page: https://patentgrep.com/patent/US20210278948A1

## CPC

- G06F 3/04164: {Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads}
- G06F 3/044: by capacitive means
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/40: OLEDs integrated with touch screens
- H10K 77/111: {Flexible substrates}
- H10K 2102/311: {Flexible OLED}
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

A display device including a substrate including a display area including a plurality of pixels and a non-display area adjacent to the display area, a plurality of sensing electrodes disposed to overlap with the display area, a plurality of display pads disposed along a first direction in the non-display area, a plurality of sensing pads disposed between the display pads, and a multiplexer electrically connecting the sensing electrodes and the sensing pads. The multiplexer is adjacent to at least one of the sensing pads in the first direction.

## Claims

### Claim 1

A display device, comprising:
a substrate comprising a display area including a plurality of pixels, and a non-display area adjacent to the display area;
a plurality of sensing electrodes disposed to overlap with the display area;
a plurality of display pads disposed along a first direction in the non-display area;
a plurality of sensing pads disposed between the display pads; and
a multiplexer electrically connecting the sensing electrodes and the sensing pads, wherein the multiplexer is adjacent to at least one of the sensing pads in the first direction.

### Claim 2 (depends on 1)

The display device according to claim 1, wherein the plurality of sensing pads comprises a first sensing pad disposed on a first side of the display pad, and a second sensing pad disposed on a second side of the display pad.

### Claim 3 (depends on 2)

The display device according to claim 2, wherein the multiplexer is disposed between the first sensing pad and the second sensing pad.

### Claim 4 (depends on 3)

The display device according to claim 3, wherein the multiplexer is adjacent to the first sensing pad and the second sensing pad in the first direction.

### Claim 5 (depends on 4)

The display device according to claim 4, further comprising:
a first pad line electrically connecting the first sensing pad and the multiplexer; and
a second pad line electrically connecting the second sensing pad and the multiplexer.

### Claim 6 (depends on 1)

The display device according to claim 1, wherein the multiplexer is disposed between the sensing pad and the display pad.

### Claim 7 (depends on 6)

The display device according to claim 6, wherein the multiplexer is adjacent to the sensing pad and the display pad in the first direction.

### Claim 8 (depends on 6)

The display device according to claim 6, further comprising a plurality of fan-out lines electrically connecting the display pad and the pixel.

### Claim 9 (depends on 1)

The display device according to claim 1, further comprising:
a plurality of sensing connection lines electrically connecting the sensing electrodes and the multiplexer; and
a plurality of pad lines electrically connecting the multiplexer and the sensing pads, wherein the number of the sensing connection lines is greater than the number of the pad lines.

### Claim 10 (depends on 1)

The display device according to claim 1, wherein the substrate comprises:
a bending area;
a main area located on a first side of the bending area; and
a sub-area extending from a second side of the bending area, wherein the multiplexer is disposed in the sub-area.

### Claim 11 (depends on 10)

The display device according to claim 10, wherein the main area and the sub-area overlap with each other in a third direction.

### Claim 12 (depends on 10)

The display device according to claim 10, further comprising:
a plurality of sensing connection lines electrically connecting the sensing electrodes and the multiplexer,
wherein each of the sensing connection lines comprises:
a main sensing connection line disposed in the main area;
a sub-sensing connection line disposed in the sub-area; and
a bending sensing connection line disposed in the bending area, and electrically connecting the main sensing connection line and the sub-sensing connection line.

### Claim 13 (depends on 12)

The display device according to claim 12, wherein the main sensing connection line comprises first-to-third main sensing connection lines formed of different conductive layers.

### Claim 14 (depends on 13)

The display device according to claim 13, wherein the first main sensing connection line is formed of the same conductive layer as the sensing electrode.

### Claim 15 (depends on 13)

The display device according to claim 13, wherein the second main sensing connection line is formed of the same conductive layer as the bending sensing connection line.

### Claim 16 (depends on 13)

The display device according to claim 13, wherein a first end of the second main sensing connection line is in contact with the first main sensing connection line, and a second end of the second main sensing connection line is in contact with the third main sensing connection line.

### Claim 17 (depends on 13)

The display device according to claim 13, wherein a first end of the third main sensing connection line is in contact with the second main sensing connection line, and a second end of the third main sensing connection line is in contact with the bending sensing connection line.

### Claim 18 (depends on 12)

The display device according to claim 12, further comprising a plurality of fan-out lines electrically connecting the display pad and the pixel, wherein each of the fan-out lines comprises:
a main fan-out line disposed in the main area;
a sub fan-out line disposed in the sub-area; and
a bending fan-out line electrically connecting the main fan-out line and the sub fan-out line.

### Claim 19 (depends on 18)

The display device according to claim 18, wherein the bending sensing connection line and the bending fan-out line are formed of the same conductive layer.

### Claim 20 (depends on 18)

The display device according to claim 18, wherein the bending fan-out line is formed of a first conductive layer, and the bending sensing connection line is formed of a second conductive layer, with an insulating layer being disposed between the first conductive layer and the second conductive layer.
