Organic compound, composition, organic optoelectric device, and display device

• US 10,446,764 B2
• Filed: 04/17/2015
• Issued: 10/15/2019
• Est. Priority Date: 05/22/2014
• Status: Active Grant

• Current Assignee: Samsung SDI Company Limited
• Original Assignee: Samsung SDI Company Limited
• Inventors: Min, Soohyun, Kim, Youngkwon, Kim, Jun Seok, Lui, Jinhyun, Yu, Eun Sun, Lee, Sangshin, Lee, Seungjae, Lee, Hanill, Lee, Hyungyu, Jeong, Sooyoung
• Primary Examiner(s): Yang, Jay
• Application Number:
  US15/307,108
• Publication Number:
  US 20170047529A1
• Time in Patent Office: 1,642 Days
• Field of Search: None
• 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: C07D 239/74 with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, attached to ring carbon atoms of the hetero ring
• CPC Class Codes: C07D 401/14 containing three or more hetero rings
• CPC Class Codes: C07D 487/04 Ortho-condensed systems
• CPC Class Codes: C09K 11/025 non-luminescent particle coatings or suspension media
• CPC Class Codes: C09K 11/06 containing organic luminescent materials
• CPC Class Codes: C09K 2211/1007 Non-condensed systems
• CPC Class Codes: C09K 2211/1029 containing one nitrogen atom as the heteroatom
• CPC Class Codes: C09K 2211/185 of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd
• CPC Class Codes: H10K 2101/10 Triplet emission
• CPC Class Codes: H10K 2101/90 Multiple hosts in the emissive layer
• CPC Class Codes: H10K 50/11 characterised by the electroluminescent [EL] layers
• CPC Class Codes: H10K 85/342 comprising iridium
• CPC Class Codes: H10K 85/622 containing four rings, e.g. pyrene
• CPC Class Codes: H10K 85/654 comprising only nitrogen as heteroatom H10K85/652 takes precedence
• CPC Class Codes: H10K 85/6572 comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole

Abstract

Related are: an organic compound represented by Chemical Formula 1; a composition for an organic optoelectric device, which includes the organic compound; an organic optoelectric device that employs the organic compound or the composition; and a display device including the organic optoelectric device.

Claims

1. An organic compound represented by one of Chemical Formulae 3 to 6:

2. The organic compound of claim 1, wherein R^a1 is a substituted or unsubstituted C6 to C20 aryl group, a substituted or unsubstituted C3 to C30 heterocyclic group, or a combination thereof.

5. A composition for an organic optoelectric device, comprising

the organic compound of claim 1 as a first organic compound, and

at least one second organic compound having a carbazole moiety.

6. The composition for an organic optoelectric device of claim 5, wherein the second organic compound includes at least one of a compound represented by Chemical Formula 11 and a compound consisting of a moiety represented by Chemical Formula 12 and a moiety represented by Chemical Formula 13:

7. The composition for an organic optoelectric device of claim 6, wherein:

the second organic compound includes a compound represented by Chemical Formula 11, and

the second organic compound represented by Chemical Formula 11 is represented by at least one of Chemical Formulae 11-I to 11-III;

8. The composition for an organic optoelectric device of claim 5, wherein the first organic compound and the second organic compound are included in a weight ratio of 1:

10 to 10;

1.

9. The composition for an organic optoelectric device of claim 5, further comprising a phosphorescent dopant.

10. An organic optoelectric device, comprising

an anode and a cathode facing each other, and

at least one organic layer between the anode and the cathode, wherein:

the organic layer includes the organic compound of claim 1.

11. The organic optoelectric device of claim 10, wherein:

the organic layer includes an emission layer, and

the emission layer includes the organic compound.

12. The organic optoelectric device of claim 11, wherein the organic compound is included as a host in the emission layer.

13. A display device comprising the organic optoelectric device of claim 10.

14. The organic compound of claim 1, which is one of compounds of Group 1:

15. The composition for an organic optoelectric device of claim 6, wherein:

the second organic compound includes a compound represented by Chemical Formula 11, and

the second organic compound represented by Chemical Formula 11 is selected from compounds of Group 2;

16. The composition for an organic optoelectric device of claim 6, wherein:

the second organic compound includes a compound consisting of a moiety represented by Chemical Formula 12 and a moiety represented by Chemical Formula 13, and

the second organic compound consisting of the moiety represented by Chemical Formula 12 and the moiety represented by Chemical Formula 13 is selected from compounds of Group 3;

3. An organic compound represented by one of Chemical Formulae 8a to 8c:

4. An organic compound represented by Chemical Formula 9a: