# US 9,040,176 B2 · Organic light-emitting device

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- Number: US 9,040,176 B2
- Document ID: US9040176B2
- Status: Granted
- Kind: B2
- Application number: 13/830,107
- Filed: 2013-03-14
- Published: 2014-05-29
- Granted: 2015-05-26
- Earliest claimed: 2012-11-23
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Nam-Jin Kim; Chul-Hwan Park
- Web page: https://patentgrep.com/patent/US9040176B2

## CPC

- H10K 50/8445: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers}
- H10K 59/8731: {multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers}
- Y10S 428/917: Electroluminescent
- Y10T 428/239: Complete cover or casing
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

An organic light-emitting device including: a substrate; a display unit on the substrate; and an encapsulation layer covering the display unit, the encapsulation layer having an alternating stack structure of an organic layer and an inorganic layer, and the organic layer including a polymer polymerized from monomers of Formula 1 and Formula 2:

## Claims

### Claim 1

An organic light-emitting device comprising:
a substrate;
a display unit on the substrate; and
an encapsulation layer covering the display unit,
the encapsulation layer having an alternating stack structure of an organic layer and an inorganic layer, and
the organic layer comprising a polymer polymerized from monomers of Formula 1 and Formula 2 below:
in Formulae 1 and 2,
R1 to R6 are each independently a hydrogen atom, a deuterium atom, or a C1-10 alkyl group,
X1 is a C1 to C30 alkyl group, a C6 to C20 aromatic ring-containing C1 to C30 alkyl group, or C6 to C20 cyclicalkyl ring-containing C1 to C30 alkyl group,
X2 is a C1 to C30 alkylene group, a C6 to C20 aromatic ring-containing C1 to C30 alkylene group, or C6 to C20 cyclicalkyl ring-containing C1 to C30 alkylene group, and
I is 0 or 1.

### Claim 2 (depends on 1)

The organic light-emitting device of claim 1, wherein
R1 to R6 are each independently a hydrogen atom, a deuterium atom, or methyl.

### Claim 3 (depends on 1)

The organic light-emitting device of claim 1, wherein
X1 is any one of Formulae 2a to 2e:
wherein n is an integer of 1 to 12, and * represents a bonding site.

### Claim 4 (depends on 1)

The organic light-emitting device of claim 1, wherein
X2 is any one of Formulae 3a to 3e:
wherein n is an integer of 1 to 12, and * represents a bonding site.

### Claim 5 (depends on 1)

The organic light-emitting device of claim 1, wherein
the polymer of the organic layer is a polymer polymerized from monomers of Formula 1, Formula 2, and Formula 3:
in Formula 3,
R1 to R8 are each independently a hydrogen atom, a deuterium atom, or a C1-10 alkyl group,
X3 to X5 are each independently a C1 to C30 alkylene group, a C6 to C20 aromatic ring-containing C1 to C30 alkylene group, or C6 to C20 cyclicalkyl ring-containing C1 to C30 alkylene group,
X6 is a hydrogen atom, or a C1 to C30 alkyl group, and
l, m, and n are each independently 0 or 1.

### Claim 6 (depends on 5)

The organic light-emitting device of claim 5, wherein
R1 to R8 are each independently a hydrogen atom, a deuterium atom, or a methyl group.

### Claim 7 (depends on 5)

The organic light-emitting device of claim 5, wherein
X3 to X5 are each independently represented by any one of Formulae 3a to 3h below:
wherein * represents a bonding site.

### Claim 8 (depends on 1)

The organic light-emitting device of claim 1, wherein
the monomer of Formula 1 is represented by Formula 10 below:

### Claim 9 (depends on 1)

The organic light-emitting device of claim 1, wherein
the monomer of Formula 2 is represented by Formula 20 below:

### Claim 10 (depends on 1)

The organic light-emitting device of claim 1, wherein
the inorganic layer comprises a metal oxide.

### Claim 11 (depends on 1)

The organic light-emitting device of claim 1, wherein
the display unit comprises one or more layers selected from the group consisting of an emission layer, an electron injection layer, an electron transport layer, a functional layer having electron injection and electron transport abilities, a hole injection layer, a hole transport layer, and a functional layer having hole injection and hole transport abilities, and
the emission layer comprises one or more layers selected from the group consisting of a red layer, a green layer, a blue layer, and a white layer, and any one layer of the red layer, the green layer, the blue layer, and the white layer of the emission layer comprises a phosphorescent compound.

### Claim 12 (depends on 11)

The organic light-emitting device of claim 11, wherein
at least one of the hole injection layer, the hole transport layer, or the functional layer having hole injection and hole transport abilities comprises a charge generating material.

### Claim 13 (depends on 12)

The organic light-emitting device of claim 12, wherein
the charge generating material comprises a p-dopant.

### Claim 14 (depends on 13)

The organic light-emitting device of claim 13, wherein
the p-dopant comprises a quinone derivative.

### Claim 15 (depends on 13)

The organic light-emitting device of claim 13, wherein
the p-dopant comprises a metal oxide.

### Claim 16 (depends on 13)

The organic light-emitting device of claim 13, wherein
the p-dopant comprises a cyano group-containing compound.

### Claim 17 (depends on 1)

The organic light-emitting device of claim 1, wherein
the display unit comprises an electron transport layer, and the electron transport layer comprises a metal complex.

### Claim 18 (depends on 17)

The organic light-emitting device of claim 17, wherein the metal complex comprises an Li complex.

### Claim 19 (depends on 18)

The organic light-emitting device of claim 18, wherein
the metal complex comprises Compound 203

### Claim 20 (depends on 1)

A flat panel display device comprising the organic light-emitting device of claim 1, wherein the organic light-emitting device includes a first electrode electrically connected to a source or drain electrode of a thin film transistor.
