NOVELTY - Substituted 9H-carbazolyl benzene compounds (I), are new.    USE - (I) are useful in organic electric device, preferably organic electroluminescence device, organic solar cell, organic photoconductor, organic transistor and monochromatic or white lighting device for electronic device (all claimed).    ADVANTAGE - (I) provide high luminous efficiency, heat resistance and low driving voltage to the device, and improve color purity and lifetime of the device.    DETAILED DESCRIPTION - Substituted 9H-carbazolyl benzene compounds of formula (I), are new.    A, B = monocyclic or polycyclic 6-18C aryl, (where A and B are not simultaneously monocyclic);    Ar1, Ar2 = 6-60C aryl, fluorenyl, O, N, S, Si or P-containing 2-60C heterocyclyl, 3-60C aliphatic ring-(6-60C)aromatic ring-containing fused ring, 1-50C alkyl, 2-20C alkenyl, 2-20C alkynyl, 1-30C alkoxy, 6-30C aryloxy (all optionally substituted with G1) or -L'-N(Ra1)(Rb1);    G1 = 6-20C aryl (optionally substituted with D), D, halo, silyl, siloxane, boronyl, germanyl, CN, NO2, 1-20C alkylthio, 1-20C alkoxy, 1-20C alkyl, 2-20C alkenyl, 2-20C alkynyl, fluorenyl, 2-20C heterocyclyl, 3-20C cycloalkyl, 7-20C arylalkyl or 8-20C arylalkenyl;    L' = 6-60C arylene, fluorenylene, 3-60C aliphatic ring-(6-60C) aromatic ring-containing fused ring, 2-60C heterocyclic ring (all optionally substituted with G1) or single bond;    Ra1, Rb1 = 6-60C aryl, fluorenyl, 3-60C aliphatic ring-(6-60C)aromatic ring-containing fused ring or O, N, S, Si or P-containing 2-60C heterocyclyl (all optionally substituted with G1);    m, n = 0-4;    p, q = 0-3; and    R1-R4 = 6-60C aryl, fluorenyl, O, N, S, Si or P-containing 2-60C heterocyclyl, 3-60C aliphatic ring-(6-60C)aromatic ring-containing fused ring, 1-50C alkyl, 2-20C alkenyl, 2-20C alkynyl, 1-30C alkoxy, 6-30C aryloxy (all optionally substituted with G1), D, tritium, halo, CN or -L'-N(Ra1)(Rb1).    Provided that R1-R4 are bonded together to form a ring. INDEPENDENT CLAIMS are also included for:    (1) organic electric device comprising (I); and    (2) electronic device comprising a display device including the organic electric device, and a control unit for driving the display device.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic cross-sectional view of the organic electroluminescence device.    First electrode (120)    Hole injection layer (130)    Hole transport layer (140)    Light-emitting layer (150)    Second electrode (180)