Patent ID: 7799442

Claim:
A full-color organic electroluminescent panel having red (R), green (G), and blue (B) color pixels that independently emit light, the organic electroluminescent panel comprising: a hole-injecting layer common to the red (R), green (G), and blue (B) color pixels; and a plurality of hole-transporting layers, wherein the hole-transporting layer in at least one of the red (R), green (G), or blue (B) color pixels differs from a corresponding hole-transporting layer in the remaining pixels wherein the red (R) color pixel and the green (G) color pixel include phosphorescent materials, and the blue (B) color pixel includes a fluorescent material, and wherein materials of the hole-transporting layer and the hole-injecting layer have a common component represented by the general formula (1): wherein Ar 1 and Ar 2 are each a substituted or unsubstituted aryl group.