| abstract |
The present invention relates to a novel organic light emitting compound and an organic electroluminescent device comprising the same, in more detail, the organic light emitting compound according to the present invention is selected from the following formula (1) to (5).n n n n n n n n [In Formulas 1 to 5, X and Y are each independently selected from N (Ar 1 ), O and S, Ar 1 may be different, and when Ar 1 is a plurality, it is represented by Ar 1 or Ar 2 ; Z 1 To Z 8 are each independently selected from C (Ar 3 ) and N, Ar 3 may be different from each other, and adjacent Ar 3 may be bonded to each other to form a ring.]n n n The organic light emitting compound according to the present invention is used as a host material of the organic light emitting material in the OLED device has the advantage that the light emitting efficiency and excellent life characteristics of the material compared to the existing host material can be produced OLED with a very good driving life of the device There is this. |