# US 2026/0101643 A1 · Display apparatus and electronic apparatus including the same

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- Number: US 2026/0101643 A1
- Document ID: US20260101643A1
- Status: Published application
- Kind: A1
- Application number: 19/343,072
- Filed: 2025-09-29
- Published: 2026-04-09
- Earliest claimed: 2024-10-07
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: HYUNEOK SHIN
- Web page: https://patentgrep.com/patent/US20260101643A1

## CPC

- H10K 59/122: Pixel-defining structures or layers, e.g. banks
- H10K 59/80517: {Multilayers, e.g. transparent multilayers}
- H10K 59/80522: {combined with auxiliary electrodes}
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

Provided is a display apparatus including a substrate, a pixel electrode arranged on the substrate, a pixel defining layer on the pixel electrode, the pixel defining layer having a first opening extending to a central portion of the pixel electrode, an intermediate layer on the pixel electrode and including an emission layer, a metal layer on the intermediate layer, the metal layer having a second opening extending to expose a central portion of the intermediate layer, and an opposite electrode continuously disposed on the intermediate layer and the metal layer.

## Claims

### Claim 1

A display apparatus comprising:
a substrate;
a pixel electrode arranged on the substrate;
a pixel defining layer on the pixel electrode, the pixel defining layer having a first opening extending to a central portion of the pixel electrode;
an intermediate layer on the pixel electrode and comprising an emission layer;
a metal layer on the intermediate layer, the metal layer having a second opening extending to a central portion of the intermediate layer; and
an opposite electrode on the intermediate layer and the metal layer.

### Claim 2 (depends on 1)

The display apparatus of claim 1, wherein
the metal layer comprises an amorphous metal material.

### Claim 3 (depends on 2)

The display apparatus of claim 2, wherein
the amorphous metal material is an aluminum (Al)-based alloy.

### Claim 4 (depends on 3)

The display apparatus of claim 3, wherein
the Al-based alloy has an atomic ratio of aluminum in a range of at least 90 at % and less than 100 at %.

### Claim 5 (depends on 3)

The display apparatus of claim 3, wherein
the Al-based alloy comprises one or more of terbium (Tb), cerium (Ce), yttrium (Y), iron (Fe), and nickel (Ni).

### Claim 6 (depends on 1)

The display apparatus of claim 1, wherein
the metal layer has a lower resistivity than the opposite electrode.

### Claim 7 (depends on 1)

The display apparatus of claim 1, wherein
at least a portion of the metal layer overlaps the pixel defining layer.

### Claim 8 (depends on 1)

The display apparatus of claim 1, wherein
the metal layer forms a closed curve along an edge of the intermediate layer in plan view.

### Claim 9 (depends on 1)

The display apparatus of claim 1, wherein
an area of the second opening is equal to or greater than an area of the first opening.

### Claim 10

A display apparatus comprising:
a substrate;
a first pixel electrode and a second pixel electrode spaced apart from each other on the substrate;
a pixel defining layer on the first pixel electrode, the second pixel electrode, and between the first pixel electrode and the second pixel electrode, the pixel defining layer having an opening that extends to a central portion of the first pixel electrode and another opening that extends to a central portion of the second pixel electrode;
a first intermediate layer on the first pixel electrode and comprising a first emission layer;
a second intermediate layer on the second pixel electrode and comprising a second emission layer;
a first metal layer on the first intermediate layer, the first metal layer having a first metal-layer opening extending to a central portion of the first intermediate layer;
a second metal layer on the second intermediate layer, the second metal layer having a second metal-layer opening extending to a central portion of the second intermediate layer; and
an opposite electrode on the first intermediate layer, the second intermediate layer, the first metal layer, and the second metal layer, and
wherein the first metal layer and the second metal layer are spaced apart from each other.

### Claim 11 (depends on 10)

The display apparatus of claim 10, wherein
the first metal layer and the second metal layer comprise a same amorphous metal material.

### Claim 12 (depends on 11)

The display apparatus of claim 11, wherein
the amorphous metal material is an aluminum (Al)-based alloy.

### Claim 13 (depends on 12)

The display apparatus of claim 12, wherein
the Al-based alloy has an atomic ratio of aluminum in a range of at least 90 at % and less than 100 at %.

### Claim 14 (depends on 12)

The display apparatus of claim 12, wherein
the Al-based alloy comprises one or more of terbium (Tb), cerium (Ce), yttrium (Y), iron (Fe), and nickel (Ni).

### Claim 15 (depends on 10)

The display apparatus of claim 10, wherein
the first metal layer and the second metal layer each have a resisivity that is lower than a resistivity of the opposite electrode.

### Claim 16 (depends on 10)

The display apparatus of claim 10, wherein
at least a portion of the first metal layer and at least a portion of the second metal layer overlap the pixel defining layer.

### Claim 17 (depends on 10)

The display apparatus of claim 10, wherein
the first metal layer forms a closed curve along an edge of the first intermediate layer in plan view, and
the second metal layer forms a closed curve along an edge of the second intermediate layer in plan view.

### Claim 18 (depends on 10)

The display apparatus of claim 10, further comprising:
a spacer on the pixel defining layer between the first metal layer and the second metal layer.

### Claim 19 (depends on 18)

The display apparatus of claim 18, wherein
a width of the spacer is smaller than a width of the pixel defining layer.

### Claim 20

An electronic apparatus comprising:
a memory;
a processor executing an application stored in the memory; and
a display apparatus that comprises:
a substrate;
a pixel electrode arranged on the substrate;
a pixel defining layer on the pixel electrode, the pixel defining layer having a first opening extending to expose a central portion of the pixel electrode;
an intermediate layer on the pixel electrode and comprising an emission layer;
a metal layer on the intermediate layer, the metal layer having a second opening extending to a central portion of the intermediate layer; and
an opposite electrode on the intermediate layer and the metal layer.