Patent ID: 6835474
Filing Date: 2004-12-28
Classification: C07D,C09K,H01L,Y10S

Abstract:
An organic luminescence element comprising a pair of electrodes having therebetween at least one organic compound thin layer including a luminescent layer, wherein at least one organic compound thin layer is a layer comprising a methine compound represented by formula (VI): wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R each represents a hydrogen atom or a substituent; A represents a heterocyclic ring containing an aromatic ring; X represents an oxygen atom, a sulfur atom, or Nâ€”R10, wherein R10 represents a hydrogen atom or a substituent; L1 and L2 each represents a substituted or unsubstituted methine group; and n represent 1 or 2.