# US 12,765,192 B2 · Display device

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- Number: US 12,765,192 B2
- Document ID: US12765192B2
- Status: Granted
- Kind: B2
- Application number: 18/631,112
- Filed: 2024-04-10
- Published: 2025-01-02
- Granted: 2026-10-13
- Earliest claimed: 2023-06-27
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., LTD.
- Inventors: Jeongoh Jin; Hyungjun An; Minji Lee; Jiphyo Hong
- Web page: https://patentgrep.com/patent/US12765192B2

## CPC

- H10K 59/126: Shielding, e.g. light-blocking means over the TFTs
- H10K 59/40: OLEDs integrated with touch screens
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

A display device includes a display panel containing a base layer having a first region having an active region, a second region bent about a bending axis, and a third region, a pixel overlapping the active region, a shielding part disposed in the second region, and pads disposed in the third region, an input sensor disposed on the display panel and containing sensing electrodes and a ground part, and a flexible circuit film connected to the pads, wherein the ground part is connected to a ground pad among the pads, and the shielding part includes a pattern part exposed to the outside and a connection part connected to the pattern part and the ground pad.

## Claims

### Claim 1

A display device comprising:
a display panel including a base layer containing a first region having an active region, a second region bent about a bending axis, and a third region spaced apart from the first region with the second region disposed therebetween, a pixel overlapping the active region, a shielding part disposed in the second region, and pads disposed in the third region;
an input sensor disposed on the display panel and including sensing electrodes overlapping the active region and a ground part disposed in a peripheral region adjacent to the active region; and
a flexible circuit film connected to the pads,
wherein the ground part is connected to a ground pad among the pads, and
wherein the shielding part includes a pattern part exposed to the outside, and a connection part connected to the pattern part and the ground pad.

### Claim 2 (depends on 1)

The display device of claim 1, wherein the display panel further comprises a cover part in which an opening exposing the pattern part is defined, and which is disposed in the second region to cover the pattern part, wherein
the cover part includes an organic material.

### Claim 3 (depends on 2)

The display device of claim 2, wherein the display panel comprises a ground line which is disposed in the first region, the second region and the third region, and which has one end connected to the ground part through a contact hole defined in the first region and the other end connected to the ground pad, wherein
the ground part is connected to the ground pad through the ground line.

### Claim 4 (depends on 3)

The display device of claim 3, wherein the connection part is connected to the ground pad through the ground line.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the display panel further comprises a data line disposed in the first region, the second region and the third region, and is connected to the pixel and a pixel pad among the pads, wherein
the connection part crosses the data line on a plane.

### Claim 6 (depends on 5)

The display device of claim 5, wherein the shielding part further comprises a connection pattern disposed on a different layer from a layer on which the connection part is disposed, and overlapping a place at which the data line and the connection part cross each other,
wherein the connection part is disconnected at the place where the connection part crosses the data line, and
wherein portions of the connection part, disconnected and spaced apart from each other with the data line therebetween, are connected by the connection pattern.

### Claim 7 (depends on 3)

The display device of claim 3, wherein each of the pads comprises a first pattern and a second pattern disposed on the first pattern, wherein the first pattern and the second pattern are in contact with the flexible circuit film.

### Claim 8 (depends on 7)

The display device of claim 7, wherein the shielding part is disposed on a same layer as a layer on which the first pattern is disposed.

### Claim 9 (depends on 7)

The display device of claim 7, wherein the shielding part is disposed on a same layer as a layer on which the second pattern is disposed.

### Claim 10 (depends on 3)

The display device of claim 3, wherein the input sensor comprises a first sensing insulation layer directly disposed on the display panel, a first conductive layer disposed on the first sensing insulation layer and constituting a part of the sensing electrodes, a second sensing insulation layer covering the first conductive layer and disposed on the first sensing insulation layer, and a second conductive layer disposed on the second sensing insulation layer and constituting a remaining part of the sensing electrodes.

### Claim 11 (depends on 10)

The display device of claim 10, wherein the shielding part comprises a same material as that of the second conductive layer, and the connection part is connected to the ground line by passing through at least one of the first sensing insulation layer and the second sensing insulation layer.

### Claim 12 (depends on 1)

The display device of claim 1, wherein the pattern part includes a plurality of pattern parts spaced apart from each other, and wherein the connection part is connected to each of the pattern parts.

### Claim 13 (depends on 12)

The display device of claim 12, wherein the display panel further comprises a driving chip disposed in the third region, wherein
the driving chip is disposed between the pads and the plurality of pattern parts on a plane.

### Claim 14 (depends on 13)

The display device of claim 13, wherein the driving chip is connected to a driving ground pad among the pads, and the connection part is connected to the driving ground pad.

### Claim 15 (depends on 1)

The display device of claim 1, wherein the display panel further comprises an alignment mark disposed in the first region and including a conductive material.

### Claim 16 (depends on 15)

The display device of claim 15, wherein the connection part is connected to the alignment mark.

### Claim 17 (depends on 1)

The display device of claim 1, wherein the pixel comprises a semiconductor pattern, a control electrode overlapping the semiconductor pattern, an upper electrode overlapping the control electrode, a transistor including a source and a drain connected to the semiconductor pattern, and a light-emitting element connected to the transistor, wherein
the display panel comprises
a barrier layer disposed on the base layer, a buffer layer disposed on the barrier layer, a first insulation layer disposed on the buffer layer and covering the semiconductor pattern, a second insulation layer disposed on the first insulation layer and covering the control electrode, a third insulation layer disposed on the second insulation layer and covering the upper electrode, a fourth insulation layer disposed on the third insulation layer and having the source and the drain disposed therein, a fifth insulation layer disposed on the fourth insulation layer and covering the source and the drain, and a sixth insulation layer disposed on the fifth insulation layer.

### Claim 18 (depends on 17)

The display device of claim 17, wherein the display panel further comprises a connection electrode connected to the source and the light-emitting element through a contact hole defined in the fifth insulation layer, and covered by the sixth insulation layer.

### Claim 19 (depends on 18)

The display device of claim 18, wherein a groove, passing through the first insulation layer, the second insulation layer, the third insulation layer and the fourth insulation layer to expose the base layer, is defined in the second region, and wherein the fifth insulation layer is disposed on the groove.

### Claim 20 (depends on 19)

The display device of claim 19, wherein the shielding part is covered by the sixth insulation layer.
