Electrically conducting organic compound and electronic device

• US 6,940,092 B2
• Filed: 03/28/2002
• Issued: 09/06/2005
• Est. Priority Date: 10/15/2001
• Status: Expired due to Term

• Current Assignee: Fujifilm Corporation (Fujifilm Holdings Corporation)
• Original Assignee: Fujitsu Limited
• Inventors: Yoshida, Hiroaki, Sotoyama, Wataru
• Primary Examiner(s): Pham, Long
• Assistant Examiner(s): Le, Thao X.
• Application Number:
  US10/107,450
• Publication Number:
  US 20030089904A1
• Time in Patent Office: 1,258 Days
• Field of Search: 257/40, 257/313, 252/301.16, 252/301.36, 252/299.01
• 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 electronic device comprising, as one member thereof, a constituent element formed from the electrically conducting organic compound, in which said organic compound is an ovalene derivative represented by the following formula (I):

wherein R₁ to R₈, which may be the same or different, each represents hydrogen atom on an arbitrary substituent, provided that at least two of R₁ to R₈ are a silane group;

or

a bianthrene derivative represented by the following formula (II);

wherein R₁ to R₆, which may be the same or different, each represents a hydrogen atom or an arbitrary substituent, provided that at least two R₁ to R₅ are a silane group.

2. The electronic device as defined in claim 1, in which said organic compound has a field effect mobility of 0.001 cm²/Vs or more.

3. The electronic device as defined in claim 1, in which said organic compound has a molecular weight of from 100 to 2,000.

8. The electronic device as defined in claim 1 or 6, wherein the constituent element is formed by dissolving said electrically conducting organic compound in a solvent.

9. The electronic device as defined in claim 8, wherein the constituent element is formed by coating and curing a solution of said electrically conducting organic compound.

10. The electronic device as defined in claim 8, wherein the constituent element is formed by printing and curing a solution of the electrically conducting organic compound.

11. The electronic device as defined in claim 1 or 6, which has flexibility and is foldable.

12. The electronic device as defined in claim 1 or 6, which is in the form of electronic paper.

4. An electronic device comprising, as one member thereof, a constituent element formed from the electronically conducting organic compound, in which said organic compound is an ovalene derivative represented by the following formula:

5. An electronic device comprising, as one member thereof, a constituent element formed from the electrically conducting organic compound, in which said organic compound is a bianthrene derivative represented by the following formula:

6. An electronic device in 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, the channel layer being formed of an electrically conducting organic compound, in which said organic compound is an ovalene derivative represented by the following formula (I):

wherein R₁ to R₆, which may be the same or different, each represents a hydrogen atom or an arbitrary substituent, provided that at least two of R₁ to R₈ are a silane group;

or

a bianthrene derivative represented by the following formula (II);

wherein R₁ to R₆, which may be the same or different, each represents a hydrogen atom or an arbitrary substituent, provided that at least two of R₁ to R₆ are a silane group.

7. The electronic device as defined in claim 6, wherein the substrate comprises a plastic material.