Electrically conducting organic compound and electronic device

• US 20030089904A1
• Filed: 03/28/2002
• Published: 05/15/2003
• Est. Priority Date: 10/15/2001
• Status: Active Grant

• Current Assignee: Fujifilm Corporation (Fujifilm Holdings Corporation)
• Original Assignee: Fujitsu Limited
• Inventors: Yoshida, Hiroaki, Sotoyama, Wataru
• Granted Patent: US 6,940,092 B2
• Time in Patent Office: Days
• US Class Current: 257/40
• CPC Class Codes: C07C 15/56 polycyclic condensed
• CPC Class Codes: C07C 2603/54 containing more than five condensed rings
• CPC Class Codes: H01B 1/12 organic substances organic macromolecular compounds or compositions C08
• CPC Class Codes: H01B 1/121 Charge-transfer complexes
• CPC Class Codes: H10K 10/466 Lateral bottom-gate IGFETs comprising only a single gate
• CPC Class Codes: H10K 85/624 containing six or more rings

Abstract

An electrically conducting organic compound comprising a condensed polycyclic aromatic compound containing from 8 to 14 condensed rings and being solubilized in a solvent by the introduction of a functional group into any condensed ring of the compound. The electrically conducting organic compound is used as a constituent element in the production of electronic devices.

Claims

1. An electrically conducting organic compound comprising a condensed polycyclic aromatic compound containing from 8 to 14 condensed rings, in which any one of the condensed rings has a functional group introduced therein.

2. The electrically conducting organic compound as defined in claim 1, wherein the functional group is an alkyl group, an aryl group, an ether group or a silane group.

3. The electrically conducting organic compound defined in claim 1 or 2, which is an ovalene derivative represented by the following formula (I):

4. The electrically conducting organic compound defined in claim 1 or 2, which is an ovalene derivative represented by the following formula:

or

5. The electrically conducting organic compound defined in claim 1 or 2, which is a bianthrene derivative represented by the following formula:

6. The electrically conducting organic compound defined in claim 1 or 2, which has a field effect mobility of 0.001 cm²/Vs or more.

7. The electrically conducting organic compound defined in claim 1 or 2, which has a molecular weight of from 350 to 2,000.

8. An electronic device comprising, as one member thereof, a constituent element formed from the electrically conducting organic compound comprising a condensed polycyclic aromatic compound containing from 8 to 14 condensed rings, in which any one of the condensed rings has a functional group introduced therein.

9. The electronic device as defined in claim 8, wherein the functional group of said organic compound is an alkyl group, an aryl group, an ether group or a silane group.

10. The electronic device as defined in claim 8 or 9, in which said organic compound is an ovalene derivative represented by the following formula (I):

11. The electronic device as defined in claim 8 or 9, in which said organic compound is an ovalene derivative represented by the following formula:

or

12. The electronic device as defined in claim 8 or 9, in which said organic compound is a bianthrene derivative represented by the following formula:

13. The electronic device as defined in claim 8 or 9, in which said organic compound has a field effect mobility of 0.001 cm²/vs or more.

14. The electronic device as defined in claim 8 or 9, in which said organic compound has a molecular weight of from 100 to 2,000.

15. The electronic device as defined in claim 8, which is in the form of an organic thin film transistor comprising a substrate having thereon a gate electrode, a gate insulator, a source electrode, a drain electrode and a channel layer, with the channel layer being formed of said electrically conducting organic compound.

16. The electronic device as defined in claim 15, wherein the substrate comprises a plastic material.

17. The electronic device as defined in claim 8 or 15, wherein the constituent element is formed by dissolving said electrically conducting organic compound in a solvent.

18. The electronic device as defined in claim 17, wherein the constituent element is formed by coating and curing a solution of said electrically conducting organic compound.

19. The electronic device as defined in claim 17, wherein the constituent element is formed by printing and curing a solution of the electrically conducting organic compound.

20. The electronic device as defined in claim 8 or 15, which has flexibility and is foldable.

21. The electronic device as defined in claim 8 or 15, which is in the form of electronic paper.