# US 2014/0197392 A1 · Triphenyleno-benzofuran compound and organic light emitting element including the same

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- Number: US 2014/0197392 A1
- Document ID: US20140197392A1
- Status: Published application
- Kind: A1
- Application number: 14/128,786
- Filed: 2012-05-30
- Published: 2014-07-17
- Earliest claimed: 2011-06-28
- Assignees: Canon Kabushiki Kaisha
- Inventors: Takayuki Horiuchi; Jun Kamatani; Kenichi Ikari; Akihito Saitoh
- Web page: https://patentgrep.com/patent/US20140197392A1

## CPC

- C07D 409/10: linked by a carbon chain containing aromatic rings
- C07D 307/91: Dibenzofurans; Hydrogenated dibenzofurans
- C09K 11/06: containing organic luminescent materials
- 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}
- C09K 2211/1007: Non-condensed systems
- C09K 2211/1011: Condensed systems
- C09K 2211/1088: containing oxygen as the only heteroatom
- C09K 2211/1092: containing sulfur as the only heteroatom
- H10K 50/11: characterised by the electroluminescent [EL] layers
- H10K 59/12: Active-matrix OLED [AMOLED] displays
- H10K 85/342: {comprising iridium}
- H10K 85/633: {comprising polycyclic condensed aromatic hydrocarbons as substituents on the nitrogen atom}
- H10K 85/654: {comprising only nitrogen as heteroatom (H10K85/652 takes precedence)}
- H10K 2101/10: Triplet emission
- C07D: HETEROCYCLIC COMPOUNDS (macromolecular compounds C08)
- C09K: MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- H10K: ORGANIC ELECTRIC SOLID-STATE DEVICES

## Abstract

An organic light emitting element which realizes a high efficiency and long-life light emission is provided. An organic compound represented by the general formula [1] described in Claim 1 is provided. In the general formula [1], R1 to R3 are each independently selected from a hydrogen atom, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group. However, at least one of R1 to R3 represents the aryl group or the heterocyclic group. The aryl group represents a phenyl group, a naphthyl group, a phenanthrenyl group, a fluorenyl group, a triphenylenyl group, or a chrysenyl group. The heterocyclic group represents a dibenzofuranyl group or a dibenzothienyl group.

## Claims

### Claim 1

A triphenyleno-benzofuran compound represented by the following general formula [1]
where in the general formula [1], R1 to R3 are each independently selected from a hydrogen atom, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocyclic group,
at least one of R1 to R3 represents the aryl group or the heterocyclic group,
the aryl group represents a phenyl group, a naphthyl group, a phenanthrenyl group, a fluorenyl group, a triphenylenyl group, or a chrysenyl group, and
the heterocyclic group represents a dibenzofuranyl group or a dibenzothienyl group.

### Claim 2 (depends on 1)

The triphenyleno-benzofuran compound according to claim 1,
wherein in the general formula [1], R1 represents the aryl group or the heterocyclic group, and
R2 and R3 each represent a hydrogen atom.

### Claim 3 (depends on 1)

An organic light emitting element comprising:
an anode,
a cathode, and
at least one organic compound layer arranged between the anode and the cathode,
wherein the organic compound layer includes the triphenyleno-benzofuran compound according to claim 1.

### Claim 4 (depends on 3)

The organic light emitting element according to claim 3,
wherein the at least one organic compound layer includes a light emitting layer, and
the light emitting layer includes the triphenyleno-benzofuran compound.

### Claim 5 (depends on 4)

The organic light emitting element according to claim 4,
wherein the light emitting layer has a host material and a guest material,
the host material includes the triphenyleno-benzofuran compound, and
the guest material is a phosphorescent material.

### Claim 6 (depends on 5)

The organic light emitting element according to claim 5,
wherein the phosphorescent material includes an iridium complex.

### Claim 7 (depends on 3)

A display device comprising:
a plurality of pixels,
wherein the pixels each include the organic light emitting element according to claim 3 and a switching element connected thereto.

### Claim 8 (depends on 3)

An image input device comprising:
a display portion to display an image; and
an input portion to input image information,
wherein the display portion includes a plurality of pixels, and
the pixels each include the organic light emitting element according to claim 3 and a switching element connected thereto.

### Claim 9 (depends on 3)

A lighting device comprising:
the organic light emitting element according to claim 3; and
an inverter circuit connected thereto.

### Claim 10 (depends on 4)

A display device comprising:
a plurality of pixels,
wherein the pixels each include the organic light emitting element according to claim 4 and a switching element connected thereto.

### Claim 11 (depends on 4)

An image input device comprising:
a display portion to display an image; and
an input portion to input image information,
wherein the display portion includes a plurality of pixels, and
the pixels each include the organic light emitting element according to claim 4 and a switching element connected thereto.

### Claim 12 (depends on 4)

A lighting device comprising:
the organic light emitting element according to claim 4; and
an inverter circuit connected thereto.

### Claim 13 (depends on 5)

A display device comprising:
a plurality of pixels,
wherein the pixels each include the organic light emitting element according to claim 5 and a switching element connected thereto.

### Claim 14 (depends on 5)

An image input device comprising:
a display portion to display an image; and
an input portion to input image information,
wherein the display portion includes a plurality of pixels, and
the pixels each include the organic light emitting element according to claim 5 and a switching element connected thereto.

### Claim 15 (depends on 5)

A lighting device comprising:
the organic light emitting element according to claim 5; and
an inverter circuit connected thereto.

### Claim 16 (depends on 6)

A display device comprising:
a plurality of pixels,
wherein the pixels each include the organic light emitting element according to claim 6 and a switching element connected thereto.

### Claim 17 (depends on 6)

An image input device comprising:
a display portion to display an image; and
an input portion to input image information,
wherein the display portion includes a plurality of pixels, and
the pixels each include the organic light emitting element according to claim 6 and a switching element connected thereto.

### Claim 18 (depends on 6)

A lighting device comprising:
the organic light emitting element according to claim 6; and
an inverter circuit connected thereto.
