JP2008060379A5 - - Google Patents

Claims (9)

  An organic electroluminescence device comprising at least one layer containing at least one compound having a bisdibenzofuran skeleton between a pair of electrodes. The organic according to claim 1, wherein at least one layer containing at least one aromatic compound represented by the general formula (1), the general formula (2) or the general formula (3) is sandwiched between the pair of electrodes. Electroluminescent device.

[Wherein R _{1 to} R ₈ each independently represent a hydrogen atom or a substituent, and Ar _{1 to} Ar ₆ each independently represent a hydrogen atom, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted group. An amino group, a linear, branched or cyclic alkyl group having 1 to 24 carbon atoms, a linear, branched or cyclic alkoxy group having 1 to 24 carbon atoms, a substituted or unsubstituted aryloxy group, or a substituted or unsubstituted group. Represents a substituted aromatic heterocyclic group, and at least one of Ar _{1 to} Ar ₆ is a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryloxy group, or substituted or unsubstituted Represents an unsubstituted aromatic heterocyclic group, and X ₁ and X ₂ each independently represents an oxygen atom or a sulfur atom] The organic electroluminescent device according to claim 2 , wherein the layer containing the aromatic compound represented by the general formula (1), the general formula (2) or the general formula (3) is a light emitting layer. The organic electroluminescence device according to claim 2 , wherein the layer containing the aromatic compound represented by the general formula (1), the general formula (2) or the general formula (3) is a hole injection transport layer. Emitting layer is formed from a host material and a dopant material, the general formula (1), formula (2) or (3) an aromatic compound containing has been and claim 2, wherein the emissive layer host material represented Organic electroluminescent element. The organic electroluminescent element according to any one of claims 2 to 5 , further comprising a hole injection transport layer between the pair of electrodes. The organic electroluminescent element according to any one of claims 2 to 6 , further comprising an electron injecting and transporting layer between the pair of electrodes. An aromatic compound represented by general formula (1), general formula (2), or general formula (3).

[Wherein R _{1 to} R ₈ each independently represent a hydrogen atom or a substituent, and Ar _{1 to} Ar ₆ each independently represent a hydrogen atom, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted group. An amino group, a linear, branched or cyclic alkyl group having 1 to 24 carbon atoms, a linear, branched or cyclic alkoxy group having 1 to 24 carbon atoms, a substituted or unsubstituted aryloxy group, or a substituted or unsubstituted group. Represents a substituted aromatic heterocyclic group, and at least one of Ar _{1 to} Ar ₆ is a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryloxy group, or substituted or unsubstituted Represents an unsubstituted aromatic heterocyclic group, and X ₁ and X ₂ each independently represents an oxygen atom or a sulfur atom] In the aromatic compound represented by the general formula (1), the general formula (2) and / or the general formula (3), at least one of Ar _{1 to} Ar ₆ is independently independently represented by the general formulas (4) to (14). The aromatic compound of Claim 8 represented by these.

_{[Wherein, R 21 ~R 27, R 31} ~R 39, R 41 ~R 47, R 51 ~R 57, R 61 ~R 69, R 71 ~R 79, R 81 ~R 89, R 91 ~R ₉₉ and R _{101 to} R ₁₀₉ each independently represent a hydrogen atom or a substituent, X ₃ represents an oxygen atom or a sulfur atom, and Ar ₇ , Ar _8, and Ar ₉ each independently represent a hydrogen atom, a substituted or an unsubstituted group. A substituted aromatic hydrocarbon group or a substituted or unsubstituted aromatic heterocyclic group)