abstract |
The present invention relates to a red luminescent organic electroluminescent device, the organic electroluminescent device comprising an organic layer comprising an anode, a cathode, and a light emitting layer provided between the anode and the cathode, wherein the light emitting layer comprises a red luminescent guest material and A photosensitive layer containing a host material made of a polycyclic aromatic hydrocarbon compound having a skeleton of 4 to 7 membered rings and containing a luminescent guest material for generating blue light is provided adjacent to the light emitting layer.n n n n Organic electroluminescent element, guest material, host material, light emitting layer, photosensitive layer |