# US 2018/0026079 A1 · Display device and method of manufacturing the same

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- Number: US 2018/0026079 A1
- Document ID: US20180026079A1
- Status: Published application
- Kind: A1
- Application number: 15/622,029
- Filed: 2017-06-13
- Published: 2018-01-25
- Earliest claimed: 2016-07-25
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Min Jung LEE; Do Hyun Kwon; Mi Jang
- Web page: https://patentgrep.com/patent/US20180026079A1

## CPC

- H10K 59/38: comprising colour filters or colour changing media [CCM]
- H10K 59/122: Pixel-defining structures or layers, e.g. banks
- H10K 59/126: Shielding, e.g. light-blocking means over the TFTs
- H10K 59/40: OLEDs integrated with touch screens
- H10K 59/873: {Encapsulations}
- H10K 59/8792: {comprising light absorbing layers, e.g. black layers}
- H10K 59/1201: {Manufacture or treatment}
- H10K 2102/311: {Flexible OLED}
- Y02E 10/549: Organic PV cells
- Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

A display device including a base substrate, a display element disposed on the base substrate, a thin film encapsulation layer covering the display element, a first organic layer disposed on the thin film encapsulation layer, an inorganic layer disposed on the first organic layer, touch electrodes disposed on the inorganic layer, and a second organic layer disposed on the inorganic layer, the second organic layer covering the touch electrodes.

## Claims

### Claim 1

A display device comprising:
a base substrate;
a display element disposed on the base substrate;
a thin film encapsulation layer covering the display element;
a first organic layer disposed on the thin film encapsulation layer;
an inorganic layer disposed on the first organic layer;
touch electrodes disposed on the inorganic layer; and
a second organic layer disposed on the inorganic layer, the second organic layer covering the touch electrodes.

### Claim 2 (depends on 1)

The display device of claim 1, further comprising a color filter disposed on the second organic layer.

### Claim 3 (depends on 2)

The display device of claim 2, wherein the color filter is disposed to overlap with an organic light emitting layer of the display element.

### Claim 4 (depends on 2)

The display device of claim 2, wherein the second organic layer and the inorganic layer comprise a through-hole through which the first organic layer is exposed.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the color filter is disposed on the first organic layer through the through-hole.

### Claim 6 (depends on 1)

The display device of claim 1, further comprising a black matrix disposed on the second organic layer.

### Claim 7 (depends on 1)

The display device of claim 1, wherein the base substrate has flexibility.

### Claim 8 (depends on 1)

The display device of claim 1, wherein the display element comprises:
a thin film transistor disposed on the base substrate;
an insulating layer disposed on the thin film transistor, the insulating layer comprising a contact hole through which a portion of a drain electrode of the thin film transistor; and
an organic light emitting element disposed on the insulating layer.

### Claim 9 (depends on 8)

The display device of claim 8, wherein the thin film transistor comprises:
a semiconductor layer disposed on the base substrate;
a gate electrode disposed on the semiconductor layer; and
source and drain electrodes each connected to the semiconductor layer.

### Claim 10 (depends on 8)

The display device of claim 8, wherein the organic light emitting element comprises:
a first electrode disposed on the insulating layer;
a pixel defining layer disposed on the insulating layer, the pixel defining layer defining pixel regions;
an organic light emitting layer disposed on the first electrode; and
a second electrode disposed on the organic light emitting layer.

### Claim 11 (depends on 1)

The display device of claim 1, wherein the first organic layer comprises multiple layers or a multi-layered structure.

### Claim 12 (depends on 1)

The display device of claim 1, wherein the second organic layer is in contact with the inorganic layer.

### Claim 13

A method of manufacturing a display device, the method comprising:
forming a display element on a base substrate;
forming a thin film encapsulation layer covering the display element;
forming a first organic layer on the thin film encapsulation layer;
forming an inorganic layer on the first organic layer; and
forming a touch sensing part on the inorganic layer.

### Claim 14 (depends on 13)

The method of claim 13, wherein the forming of the touch sensing part comprises:
forming touch electrodes on the inorganic layer;
forming a second organic layer on the inorganic layer to cover the touch electrodes; and
forming a color filter on the second organic layer.

### Claim 15 (depends on 14)

The method of claim 14, further comprising, before the color filter is formed, forming a through-hole through which the second organic layer and the inorganic layer expose the first organic layer.