| abstract |
The organic electroluminescent device of the present invention includes: a substrate; a pair of electrodes disposed on the substrate and including an anode and a cathode; and at least one organic layer disposed between the electrodes and including a light-emitting layer; wherein the at least one organic layer Any one of the layers contains at least one compound represented by the following formula; the luminous efficiency, the driving voltage, and the driving durability are both good, and the vapor deposition rate dependence of the properties is small (in the formula, the L1 to L4 linkage group; n1) ~n4 indicates 0 or 1, n1+n2=1 and n3+n4=1; A1, A5, A6 and A10 are C atoms, C-R1 or N atoms, respectively; A2~A4 and A7~A9 are independent C-R1 or N atom; R1 is a separate hydrogen atom or a substituent; R is a substituent bonded to the fluorene skeleton; m is 0 to 6, and when m is 2 or more, the plural R system may be The same or different, adjacent R will not be connected to each other to form a ring). |