US 7,468,212 B2
Organic electroluminescent device
Jun Ogasawara, Minami-ashigara (Japan); Tatsuya Igarashi, Minami-ashigara (Japan); and Satoshi Sano, Minami-ashigara (Japan)
Assigned to Fujifilm Corporation, Tokyo (Japan)
Filed on Nov. 18, 2004, as Appl. No. 10/990,463.
Claims priority of application No. 2003-393050 (JP), filed on Nov. 21, 2003; and application No. 2004-314729 (JP), filed on Oct. 28, 2004.
Prior Publication US 2005/0112407 A1, May 26, 2005
Int. Cl. H01L 51/54 (2006.01)
U.S. Cl. 428—690  [428/917; 313/504; 313/506; 257/40; 257/E51.049] 15 Claims
 
1. An organic electroluminescent device, having, between a pair of electrodes, at least one organic layer including a light-emitting layer, wherein the organic layer contains at least one compound represented by formula (1), and wherein the light-emitting layer contains a phosphorescent material:

OG Complex Work Unit Drawing
wherein, in formula (1), R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, and R16 each represent a hydrogen atom or a substituent, and at least one of R1 to R16 represents a heteroaryl group.