# US 2019/0095018 A1 · Display Device with Touch Structure and Method of Manufacturing the Same

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2019/0095018 A1
- Document ID: US20190095018A1
- Status: Published application
- Kind: A1
- Application number: 16/132,694
- Filed: 2018-09-17
- Published: 2019-03-28
- Earliest claimed: 2017-09-27
- Assignees: LG Display Co., Ltd.
- Applicants: LG Display Co., Ltd.
- Inventors: Young-Sub Shin; Byong-Hoo Kim
- Web page: https://patentgrep.com/patent/US20190095018A1

## CPC

- 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}
- G06F 3/0443: {using a single layer of sensing electrodes}
- G06F 3/0445: {using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer}
- G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes}
- H10K 59/40: OLEDs integrated with touch screens
- H10K 59/873: {Encapsulations}
- G06F 2203/04103: Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
- G06F 2203/04111: Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

A display device and method of manufacturing the same are provided. A display device includes: a device substrate, a light-emitting element on the device substrate, an encapsulating structure on the light-emitting element, a touch structure on the encapsulating structure, an elastic insulating layer on the touch structure, the elastic insulating layer including an elastic material, and a high-permittivity particles dispersed in the elastic insulating layer.

## Claims

### Claim 1

A display device, comprising:
a device substrate;
a light-emitting element on the device substrate;
an encapsulating structure on the light-emitting element;
a touch structure on the encapsulating structure;
an elastic insulating layer on the touch structure, the elastic insulating layer comprising an elastic material; and
a high-permittivity particles dispersed in the elastic insulating layer.

### Claim 2 (depends on 1)

The display device of claim 1, wherein a thickness of the elastic insulating layer is 10 μm to 25 μm.

### Claim 3 (depends on 1)

The display device of claim 1, wherein each of the high-permittivity particles comprises:
a core; and
a shell surrounding the core.

### Claim 4 (depends on 3)

The display device of claim 3, wherein the core comprises a metal oxide.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the metal oxide comprises lanthanum (La).

### Claim 6 (depends on 3)

The display device of claim 3, wherein the shell comprises an epoxy-based material.

### Claim 7 (depends on 3)

The display device of claim 3, wherein the shell comprises an acryl co-polymer.

### Claim 8 (depends on 1)

The display device of claim 1, further comprising:
a polarizing film on the elastic insulating layer,
wherein the elastic insulating layer comprises a side surface vertically aligned with a side surface of the polarizing film.

### Claim 9 (depends on 1)

The display device of claim 1, wherein:
the touch structure comprises touch electrodes; and
the elastic insulating layer directly contacts the touch electrodes.

### Claim 10 (depends on 1)

The display device of claim 1, wherein the elastic insulating layer comprises a resin.

### Claim 11 (depends on 1)

The display device of claim 1, further comprising a cover substrate on the elastic insulating layer.

### Claim 12

A method of manufacturing a display device, the method comprising:
providing a device substrate;
providing a light-emitting element on the device substrate;
providing an encapsulating structure on the light-emitting element;
providing a touch structure on the encapsulating structure;
providing an elastic insulating layer on the touch structure, the providing the elastic insulating layer comprising providing an elastic material; and
providing high-permittivity particles that are dispersed in the elastic insulating layer.

### Claim 13 (depends on 12)

The method of claim 12, wherein a thickness of the elastic insulating layer is 10 μm to 25 μm.

### Claim 14 (depends on 12)

The method of claim 12, wherein the providing each of the high-permittivity particles comprises:
providing a core; and
providing a shell surrounding the core.

### Claim 15 (depends on 14)

The method of claim 14, wherein the providing the core comprises providing a metal oxide.

### Claim 16 (depends on 15)

The method of claim 15, wherein the providing the metal oxide comprises providing lanthanum (La).

### Claim 17 (depends on 14)

The method of claim 14, wherein the providing the shell comprises providing an epoxy-based material.

### Claim 18 (depends on 14)

The method of claim 14, wherein the providing the shell comprises providing an acryl co-polymer.

### Claim 19 (depends on 12)

The method of claim 12, further comprising:
providing a polarizing film on the elastic insulating layer,
wherein the providing the elastic insulating layer comprises vertically aligning a side surface with a side surface of the polarizing film.

### Claim 20 (depends on 12)

The method of claim 12, wherein:
the providing the touch structure comprises providing touch electrodes; and
the elastic insulating layer directly contacts the touch electrodes.

### Claim 21 (depends on 12)

The method of claim 12, wherein the providing the elastic insulating layer comprises providing a resin.

### Claim 22 (depends on 12)

The method of claim 12, further comprising providing a cover substrate on the elastic insulating layer.