# US 10,483,337 B2 · Organic light emitting display device and method of manufacturing the same

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- Number: US 10,483,337 B2
- Document ID: US10483337B2
- Status: Granted
- Kind: B2
- Application number: 15/965,730
- Filed: 2018-04-27
- Published: 2019-04-18
- Granted: 2019-11-19
- Earliest claimed: 2017-10-17
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Eui Kang Heo; Youngdae Kim; Jeong-Seon Kim; Cha-Dong Kim; Hyunae Kim
- Web page: https://patentgrep.com/patent/US10483337B2

## CPC

- H10K 59/122: Pixel-defining structures or layers, e.g. banks
- H10K 59/123: Connection of the pixel electrodes to the thin film transistors [TFT]
- H10K 59/124: Insulating layers formed between TFT elements and OLED elements
- H10K 59/131: Interconnections, e.g. wiring lines or terminals
- H10K 59/8051: {Anodes}
- H10K 59/1201: {Manufacture or treatment}
- H10K 71/00: Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K 71/10: Deposition of organic active material
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

An organic light emitting display device may include a switching element disposed on a substrate, a planarization layer covering the switching element, a first electrode disposed on the planarization layer and coupled to the switching element, a first through hole being defined in a peripheral portion of the first electrode, a pixel defining layer covering the peripheral portion of the first electrode to expose an emission portion of the first electrode, an organic light emitting layer disposed on the emission portion of the first electrode, and a second electrode disposed on the organic light emitting layer.

## Claims

### Claim 1

An organic light emitting display device, comprising:
a switching element disposed on a substrate;
a planarization layer covering the switching element;
a first electrode disposed on the planarization layer and coupled to the switching element, a first through hole being defined in a peripheral portion of the first electrode;
a pixel defining layer covering the peripheral portion of the first electrode to expose an emission portion of the first electrode;
an organic light emitting layer disposed on the emission portion of the first electrode; and
a second electrode disposed on the organic light emitting layer.

### Claim 2 (depends on 1)

The organic light emitting display device of claim 1, further comprising a plurality of first through holes.

### Claim 3 (depends on 2)

The organic light emitting display device of claim 2, wherein the plurality of first through holes are disposed along the peripheral portion of the first electrode to surround the emission portion of the first electrode.

### Claim 4 (depends on 1)

The organic light emitting display device of claim 1, wherein the first through hole has a circular shape in a plan view.

### Claim 5 (depends on 4)

The organic light emitting display device of claim 4, wherein a diameter of the first through hole is less than a width of the peripheral portion of the first electrode.

### Claim 6 (depends on 1)

The organic light emitting display device of claim 1, further comprising a wiring disposed on the planarization layer and spaced apart from the first electrode, a second through hole being defined in the wiring.

### Claim 7 (depends on 6)

The organic light emitting display device of claim 6, wherein the second through hole has a circular shape in a plan view.

### Claim 8 (depends on 7)

The organic light emitting display device of claim 7, wherein a diameter of the second through hole is less than a width of the wiring.

### Claim 9 (depends on 6)

The organic light emitting display device of claim 6, wherein the wiring transmits a driving voltage to the switching element.

### Claim 10 (depends on 1)

The organic light emitting display device of claim 1, wherein the planarization layer includes a siloxane-based organic material.

### Claim 11

An organic light emitting display device, comprising:
a switching element disposed on a substrate;
a planarization layer covering the switching element;
a first electrode disposed on the planarization layer and coupled to the switching element;
a wiring disposed on the planarization layer and spaced apart from the first electrode, a through hole being defined in the wiring;
a pixel defining layer covering the peripheral portion of the first electrode to expose an emission portion of the first electrode and covering the wiring;
an organic light emitting layer disposed on the emission portion of the first electrode; and
a second electrode disposed on the organic light emitting layer.

### Claim 12 (depends on 11)

The organic light emitting display device of claim 11, further comprising a plurality of through holes.

### Claim 13 (depends on 12)

The organic light emitting display device of claim 12, wherein the plurality of through holes are disposed along a direction in which the wiring is extended.

### Claim 14 (depends on 11)

The organic light emitting display device of claim 11, wherein the through hole has a circular shape in a plan view.

### Claim 15 (depends on 14)

The organic light emitting display device of claim 14, wherein a diameter of the through hole is less than a width of the wiring.

### Claim 16 (depends on 11)

The organic light emitting display device of claim 11, wherein the wiring transmits a driving voltage to the switching element.