Organic Compound, Light-Emitting Element, Light-Emitting Device, Electronic Device, and Lighting Device

• US 20130277653A1
• Filed: 04/10/2013
• Published: 10/24/2013
• Est. Priority Date: 04/20/2012
• Status: Active Grant

• Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Original Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Inventors: Osaka, Harue, Ogita, Kaori, Ohsawa, Nobuharu, Seo, Hiromi, Seo, Satoshi
• Granted Patent: US 9,882,138 B2
• Time in Patent Office: Days
• US Class Current: 257/40
• CPC Class Codes: C07D 209/86 with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
• CPC Class Codes: C09K 11/06 containing organic luminescent materials
• CPC Class Codes: C09K 2211/1007 Non-condensed systems
• CPC Class Codes: C09K 2211/1011 Condensed systems
• CPC Class Codes: C09K 2211/1029 containing one nitrogen atom as the heteroatom
• CPC Class Codes: H05B 33/14 characterised by the chemical or physical composition or the arrangement of the electroluminescent material , or by the simultaneous addition of the electroluminescent material in or onto the light source
• CPC Class Codes: H10K 2102/103 comprising indium oxides, e.g. ITO
• CPC Class Codes: H10K 50/15 Hole transporting layers
• CPC Class Codes: H10K 85/342 comprising iridium
• CPC Class Codes: H10K 85/615 Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
• CPC Class Codes: H10K 85/655 comprising only sulfur as heteroatom
• CPC Class Codes: H10K 85/6572 comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole

Abstract

A novel organic compound with which the emission characteristics, emission efficiency, and reliability of a light-emitting element can be improved; a light-emitting element including the organic compound; and a light-emitting device, an electronic device, and a lighting device each including the light-emitting element. The light-emitting element includes a hole-transport layer and a light-emitting layer between a pair of electrodes. At least one of the hole-transport layer and the light-emitting layer includes an organic compound having a skeleton represented by General Formula (G0).

Claims

1. A light-emitting element comprising:

a hole-transport layer and a light-emitting layer between a pair of electrodes,

wherein at least one of the hole-transport layer and the light-emitting layer includes an organic compound having a skeleton represented by a formula (G0),

2. The light-emitting element according to claim 1, wherein Ar¹ and Ar² are each independently a phenyl group or a biphenyl group.

3. The light-emitting element according to claim 1, wherein the substituent is a substituted or unsubstituted N-carbazolyl group.

4. A light-emitting device comprising the light-emitting element according to claim 1.

5. An electronic device comprising the light-emitting device according to claim 4.

6. A lighting device comprising the light-emitting device according to claim 4.

7. An organic compound having a skeleton represented by a formula (G0),

8. An organic compound represented by a formula (G1),

9. The organic compound according to claim 8,

wherein Ar² is a phenyl group or a biphenyl group, and

wherein Ar³ is a phenylene group or a biphenyldiyl group.

10. The organic compound according to claim 9, wherein Ar³ is a metaphenylene group or a biphenyl-3,3′

-diyl group.

11. The organic compound according to claim 8, wherein the organic compound is represented by a formula (G2-1).

12. The organic compound according to claim 8, wherein the organic compound is represented by a formula (G2-2).

13. The organic compound according to claim 8, wherein the organic compound is represented by a formula (G3).