Patent ID: 7651788

Claim:
An organic electroluminescent device, comprising: a substrate; first and second electrodes formed on the substrate; and a light-emitting layer formed between the first electrode and the second electrode, the light-emitting layer containing a green luminescent material represented by using a chemical formula 1 as a dopant: wherein, A1 and A2 are selected from a substituted or non-substituted aromatic group, a substituted or non-substituted heterocyclic group, wherein the light-emitting layer further contains a host material represented by a chemical formula 2: B1-X-B2 [Chemical formula 2] wherein the X is selected from the group consisting of anthracene, and pyrene and B1 and B2 are individually selected from a group consisting of aryl, pyridyl, quinolyl, and isoquinolyl; and wherein the host material is one of following formulas: