| abstract |
The present invention discloses an organic material is represented by the following formula (1) or formula (2), the organic EL device employing the material as light emitting host or dopant of emitting layer, hole blocking layer (HBL), electron blocking layer (EBL), electron transport layer (ETL) and hole transport layer (HTL) can display good performance. n nwherein B represents a fused ring hydrocarbon units with two to three rings, m represents an integer of 0 to 10, R 1 , G, Rs, X and Y are the same definition as described in the present invention. |