# US 11,910,707 B2 · Organic light-emitting device

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

- Number: US 11,910,707 B2
- Document ID: US11910707B2
- Status: Granted
- Kind: B2
- Application number: 15/390,210
- Filed: 2016-12-23
- Published: 2017-06-29
- Granted: 2024-02-20
- Earliest claimed: 2015-12-23
- Assignees: Samsung Display Co., Ltd.
- Applicants: Samsung Display Co., Ltd.
- Inventors: Myeong-Suk Kim; Sung-Wook Kim; Hwan-Hee Cho; Jin-Soo Hwang; Chang-Woong Chu
- Web page: https://patentgrep.com/patent/US11910707B2

## CPC

- H10K 85/654: {comprising only nitrogen as heteroatom (H10K85/652 takes precedence)}
- C09K 11/025: {non-luminescent particle coatings or suspension media}
- H10K 85/615: {Polycyclic condensed aromatic hydrocarbons, e.g. anthracene}
- H10K 85/633: {comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom}
- H10K 85/636: {comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom}
- H10K 85/6572: {comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole}
- H10K 85/6574: {comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes}
- H10K 85/6576: {comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene}
- H10K 50/11: characterised by the electroluminescent [EL] layers
- H10K 2101/10: Triplet emission
- H10K 2101/40: Interrelation of parameters between multiple constituent active layers or sublayers, e.g. HOMO values in adjacent layers
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE

## Abstract

According to one or more embodiments, an organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer. The organic layer includes a first compound represented by Formula 1 and a second compound represented by one selected from Formulae 2-1 to 2-3:

## Claims

### Claim 1

An organic light-emitting device comprising:
a first electrode;
a second electrode; and
an organic layer between the first electrode and the second electrode, the organic layer comprising an emission layer and a hole transport region between the emission layer and the first electrode,
wherein the emission layer consists of one host and one or more dopants, the one host consisting of a first compound selected from Compounds A-101 to A-221 and B-101 to B-230,
the hole transport region comprises an emission auxiliary layer on the emission layer, a hole transport layer directly on the emission auxiliary layer, and a hole injection layer on the hole transport layer,
the emission auxiliary layer comprises a second compound selected from Compounds E-104 to E-113, E-115, E-118, E-120, E-122 to E-128, E-130, E-135, E-137 to E-157, E-159 to E-168, and E-259 to E-270:

### Claim 2

An organic light-emitting device comprising:
a substrate having a first sub-pixel region, a second sub-pixel region, and a third sub-pixel region;
a plurality of first electrodes, one on each of the first sub-pixel region, the second sub-pixel region, and the third sub-pixel region on the substrate;
a second electrode facing the plurality of first electrodes; and
an organic layer between the first electrode and the second electrode, the organic layer comprising an emission layer and a hole transport region between the emission layer and the first electrode,
wherein the emission layer consists of one host and one or more dopants, the one host consisting of a first compound selected from Compounds A-101 to A-221 and B-101 to B-230,
the hole transport region comprises an emission auxiliary layer on the emission layer, a hole transport layer directly on the emission auxiliary layer, and a hole injection layer on the hole transport layer,
the emission auxiliary layer comprises a second compound selected from Compounds E-104 to E-113, E-115, E-118, E-120, E-122 to E-128, E-130, E-135, E-137 to E-157, E-159 to E-168, and E-259 to E-270:

### Claim 3

An organic light-emitting device comprising:
a first electrode;
a second electrode; and
an organic layer between the first electrode and the second electrode, the organic layer comprising an emission layer and a hole transport region between the emission layer and the first electrode,
wherein the emission layer consists of one host and one or more dopants, the one host consisting of a first compound selected from the group consisting of Compounds A-115, A-134, A-149, A-153, A-187, and A-213,
the hole transport region comprises an emission auxiliary layer on the emission layer, a hole transport layer directly on the emission auxiliary layer, and a hole injection layer on the hole transport layer, and
the emission auxiliary layer comprises a second compound selected from the group consisting of Compounds E-107, E-115, and E-154,

### Claim 4 (depends on 3)

The organic light-emitting device of claim 3, wherein the emission auxiliary layer comprises compound E-154.