Patent ID: 6689491
Filing Date: 2004-02-10
Classification: C09K,H01L,Y10S

Abstract:
A luminescent device comprising at least one layer of an organic thin film between electrodes, said device comprising at least one compound represented by the following formula (V), (VI), (VII), (VIII), (IX) or (X):wherein R1, R2, R7, n, R4, R5, R6 and m in formula (V) to (X) have the same meaning as follows: wherein R1 and R2, which are the same or different, each represent an aryl group, a heterocyclic group or an aliphatic hydrocarbon group, provided that at least one of R1 and R2 is an aryl group or a heterocyclic group; R1 and R2 may combine with each other to complete a ring; R7 represents a substituent group; n represents an integer of 0 to 4, provided that when n is 2, 3 or 4, the R7 groups are the same or different; R4, R5 and R6 each represent a hydrogen atom or a substituent group and m represents 0, 1 or 2; wherein in formula (V), XB1 and XB2 each represent a oxygen atom, a sulfur atom, Nâ€”RB1 or CRB2RB3; RB1, RB2 and RB3 each represent a hydrogen atom or a substituent group; ZB1 represents an atomic group for forming a 5, 6 or 7-membered ring, provided that the 5-membered ring formed by ZB1 is a substituted 1,3-indanedione nucleus, a heterocyclic ring-condensed cyclopenta-1,3-dione nucleus or a 3,5-pyrazolidinedione nucleus, and XB1 and XB2 are substituents on the 5, 6 or 7-membered ring; wherein in formula (VI), Xc represents an oxygen atom, a sulfur atom, Nâ€”RC1 or CRc2Rc3; Rc1, Rc2 and Rc3 each represent a hydrogen atom or a substituent group; Yc1 and Yc2 each represent a nitrogen atom or Câ€”RC4; RC4 represents a hydrogen atom or a substituent group; and Zc1 represents an atomic group for forming a 5-membered ring, provided that the 5-membered ring formed by Zc1 is an isooxazolinone nucleus, an oxyazolinone nucleus, a furanone nucleus, an oxyindole nucleus or an imidazolidone nucleus; wherein in formula (VII), XD represents an oxygen atom, a sulfur atom, Nâ€”RD1 or CRD2RD3; RD1, RD2 and RD3 each represent a hydrogen atom or a substituent group; ZD1 represents â€”Sâ€”, â€”SOâ€”, â€”SO2â€”, or â€”Oâ€” for completing a 5, 6 or 7-membered ring; and RD represents a substituent group; and d represents an integer of 0 to 4, provided that when d is 2, 3 or 4, the RD groups are the same or different; wherein in formula (VIII), XE represents an oxygen atom, a sulfur atom, Nâ€”RE1 or CRE2RE3; RE1, RE2 and RE3 each represent a hydrogen atom or a substituent group; YE1 and YE2 each represent a nitrogen atom or Câ€”RE4; RE4 represents a hydrogen atom or a substituent group; and ZE1 represents an atomic group for completing a 5, 6 or 7-membered ring; wherein in formula (IX), XF1, and XF2 each represents an oxygen atom, a sulfur atom, Nâ€”RF1 or CRF2RF3; RF1, RF2 and RF3 each represent a hydrogen atom or a substituent group; YF1 and YF2 each represent an oxygen atom, a sulfur atom or Nâ€”RF5; RF5; and RF5 represents a hydrogen atom or a substituent group; wherein in formula (X), XG represents an oxygen atom, a sulfur atom, Nâ€”RG1 or CRG2RG3; RG1, RG2 and RG3 each represent a hydrogen atom or a substituent group; YG1 and YG2 each represent a nitrogen atom or Câ€”RG4; RG4 represents a hydrogen atom or a substituent group; m1 represents 1 or 2; and ZG1 represents an atomic group for completing a 5, 6 or 7-membered ring.