NOVELTY - A phenylaniline derivative (I), (II) or (III), is new.    USE - New phenylaniline derivative used in organic electronic element for electronic device e.g. organic electroluminescent element, organic solar cell, organophotoreceptor drum and organic thin film transistor (all claimed).    ADVANTAGE - The phenylaniline compound has excellent stability and provides organic electric device with high efficiency, improved lifetime and low drive voltage.    DETAILED DESCRIPTION - A phenylaniline derivative of formula (I), (II) or (III) is new.    R1-R7=H, 6-60C aryl (optionally substituted by 1 or more halo, amino, nitrile, nitro, 1-20C alkyl, 1-20C alkoxy, 1-20C alkyl amino, 1-20C alkylthiophene, 6-20C arylthiophene, 2-20C alkenyl, 2-20C alkynyl, 3-20C cycloalkyl, 6-60C aryl, 8-20C arylalkenyl, silane, boron, germanium or 2-20C heterocyclyl), 3-60C heteroaryl (optionally substituted by 1 or more halo, 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 6-20C arylamine, 6-60C aryl, 7-20C arylalkyl, 8-20C arylalkenyl, 2-20C heterocyclycl containing O, N or S, nitrile or acetylene), 1-30C alkoxy, 6-30C aryloxy or 6-60C arylamine (all optionally substituted by 1 or more halo, amino, nitrile, nitro, 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 3-30C cycloalkyl, 2-30C heterocycloalkyl, 6-60C aryl or 3-60C heteroaryl), 1-50C alkyl optionally substituted by 1 or more 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 6-20C aryl, 7-20C arylalkyl, 8-20C arylalkenyl, 2-20C heterocyclyl, nitrile, or acetylene;    or adjacent R1-R7=ring;    L=6-60C arylene or 3-60C heteroarylene (both optionally substituted by 1 or more nitro, nitrile, halo, alkyl, alkoxy or amino);    D'=deuterium or tritium;    X=CR'R", NR', O or S;    R',R"=H, 1-50C alkyl (optionally substituted by 1 or more 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 6-20C aryl, 7-20C arylalkyl, 8-20C arylalkenyl, 2-20C heterocyclyl, nitrile or acetylene), 6-60C aryl (optionally substituted by 1 or more halo, amino, nitrile, nitro, 1-20C alkyl, 1-20C alkoxy, 1-20C alkyl amino, 1-20C alkylthiophene, 6-20C arylthiophene, 2-20C alkenyl, 2-20C alkynyl, 3-20C cycloalkyl, 6-60C aryl, 8-20C arylalkenyl, silane, boron, germanium or 2-20C heterocyclyl), 2-60C heterocyclyl optionally substituted by 1 or more halo, 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 6-20C arylamine, 6-60C aryl, 7-20C arylalkyl, 8-20C arylalkenyl, 2-20C heterocyclyl containing O, N or S, nitrile or acetylene;    a=1-5;    b,h,j,k=1-4;    c=0-2;    d,e=0-5;    f,g=0-3;    i,l=1-3;and    d+e,f+g=1 or more.    INDEPENDENT CLAIMS are included for the following:    (1) organic electric device, which consists of organic layer containing the derivative (I); and    (2) electronic device, which consists of control unit for driving display device, and display device containing the organic electric device.    DESCRIPTION OF DRAWING(S) - The drawing shows the structure of organic electroluminescent device. (Drawing includes non-English language text)    Hole injection layer (103)    Hole transport layer (104)    Light emitting layer (105)    Electron injection layer (106)    Electron transport layer (107)