Heterocyclic compound and organic light emitting device using same

• US 10,644,244 B2
• Filed: 06/26/2015
• Issued: 05/05/2020
• Est. Priority Date: 06/27/2014
• Status: Active Grant

• Current Assignee: Lt Materials Co., Ltd.
• Original Assignee: Lt Materials Co., Ltd.
• Inventors: Lee, Jung-Hyun, No, Young-Seok, Park, Geon-Yu, Kim, Dong-Jun, Kim, Kee-Yong, Choi, Jin-Seok, Choi, Dae-Hyuk, Eum, Sung-Jin, Lee, Joo-Dong
• Primary Examiner(s): Yang, Jay
• Application Number:
  US15/318,794
• Publication Number:
  US 20170141325A1
• Time in Patent Office: 1,775 Days
• Field of Search: None
• CPC Class Codes: C07D 491/048 the oxygen-containing ring being five-membered
• CPC Class Codes: C07D 495/04 Ortho-condensed systems
• CPC Class Codes: C07D 519/00 Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
• CPC Class Codes: C07F 7/0812 comprising a heterocyclic ring
• CPC Class Codes: C07F 9/6561 containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings
• CPC Class Codes: C09K 11/025 non-luminescent particle coatings or suspension media
• CPC Class Codes: H10K 50/11 characterised by the electroluminescent [EL] layers
• CPC Class Codes: H10K 50/15 Hole transporting layers
• CPC Class Codes: H10K 50/16 Electron transporting layers
• CPC Class Codes: H10K 50/171 Electron injection layers
• CPC Class Codes: H10K 50/18 Carrier blocking layers
• CPC Class Codes: H10K 85/40 Organosilicon compounds, e.g. TIPS pentacene
• CPC Class Codes: H10K 85/615 Polycyclic condensed aromatic hydrocarbons, e.g. anthracene
• CPC Class Codes: H10K 85/622 containing four rings, e.g. pyrene
• CPC Class Codes: H10K 85/626 containing more than one polycyclic condensed aromatic rings, e.g. bis-anthracene
• CPC Class Codes: H10K 85/636 comprising heteroaromatic hydrocarbons as substituents on the nitrogen atom
• CPC Class Codes: H10K 85/654 comprising only nitrogen as heteroatom H10K85/652 takes precedence
• CPC Class Codes: H10K 85/657 Polycyclic condensed heteroaromatic hydrocarbons
• CPC Class Codes: H10K 85/6572 comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
• CPC Class Codes: H10K 85/6574 comprising only oxygen in the heteroaromatic polycondensed ring system, e.g. cumarine dyes
• CPC Class Codes: H10K 85/6576 : comprising only sulfur in the heteroaromatic polycondensed ring system, e.g. benzothiophene

Abstract

The present application provides a hetero-cyclic compound which may significantly improve the service life, efficiency, electrochemical stability, and thermal stability of an organic light emitting device, and an organic light emitting device in which the hetero-cyclic compound is contained in an organic compound layer.

Claims

1. A hetero-cyclic compound represented by the following Formula 1:

2. The hetero-cyclic compound of claim 1, wherein Formula 1 is represented by the following Formula 2 or 3:

3. The hetero-cyclic compound of claim 1, wherein Formula 1 is represented by any one of the following Formulae 4 to 7:

7. An organic light emitting device comprising:

a positive electrode;

a negative electrode; and

one or more organic material layers provided between the positive electrode and the negative electrode, wherein one or more layers of the organic material layers comprise the hetero-cyclic compound of claim 1.

8. The organic light emitting device of claim 7, wherein the organic material layer comprises one or more layers selected from the group consisting of a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer.

9. The organic light emitting device of claim 8, wherein the organic material layer comprising the hetero-cyclic compound is an electron transport layer.

10. The organic light emitting device of claim 8, wherein the organic material layer comprising the hetero-cyclic compound is a light emitting layer.

11. The organic light emitting device of claim 8, wherein the organic material layer comprising the hetero-cyclic compound is a hole blocking layer.

4. A hetero-cyclic compound represented by any one of the following Formulae 8 to 11:

5. The hetero-cyclic compound of claim 4, wherein A is selected from the group consisting of monocyclic or polycyclic substituted or unsubstituted C₆ to C₁₀ arylene;

polycyclic substituted or unsubstituted C₁₅ to C₆₀ arylene; and

monocyclic or polycyclic substituted or unsubstituted C₂ to C₆₀ heteroarylene.

6. A hetero-cyclic compound selected from the following compounds: