Patent ID: 6746784
Filing Date: 2004-06-08
Classification: H01L,Y10S

Abstract:
An organic electroluminescent device comprising:an anode; a cathode; and one or more organic thin film layers including a light-emitting layer sandwiched between said anode and said cathode, wherein at least one of said organic thin film layers contains, either singly or as a mixture, a compound represented by the following general formula [A]: â€ƒwherein Ar1 represents a substituted or unsubstituted aromatic hydrocarbon group having 5 to 42 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 4 to 42 carbon atoms; each of Ar2 to Ar5 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 20 carbon atoms, or a substituted or unsubstituted aromatic heterocyclic group having 6 to 20 carbon atoms; each of X1 and X2 independently represents a divalent linking group; and each of R1 to R20 independently represents a hydrogen atom, a halogen atom, a substituted or unsubstituted amino group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted cycloalkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aromatic hydrocarbon group, a substituted or unsubstituted aromatic heterocyclic group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryloxy group, or a substituted or unsubstituted alkoxycarbonyl group; any two of R1 to R10 and R11 to R20 may form a ring; Ar2 and Ar3 or Ar4 and Ar5 may be bonded to each other to form a ring.