NOVELTY - A high molecular compound having aromatic group-containing structural units (I,XIV) is new.    USE - High molecular compound for electronic device e.g. electroluminescent element (claimed) used for display device for television, illumination device, solar cell, and image sensor.    ADVANTAGE - The high molecular compound provides electroluminescent element having high intensity and high emission efficiency.    DETAILED DESCRIPTION - A high molecular compound having aromatic group-containing structural units of formulae: -(Ar1((-R1)m1)((-R2)m2))- (I) and -(Ar2((-R6)m6)((-R7)m7))- (XIV) is new.    Ar1=optionally substituted condensed polycyclic aromatic group;    R1=(-R3-((Q1)n1-Y1(M1)a1(Z1)b1)m3) or (-R4-((Q2)n2-Y2(M2)a2(Z2)b2)m4);    R2=(-R5-((Q3)n3-Y3)m5);    m1,m2=1 or more;    R3=optionally substituted organic group having valence of (1+m3);    Q1-Q3=divalent organic group;    Y1=-CO2-, -SO3-, -SO2-, -PO32- or -B(Rz)3-;    M1=optionally substituted ammonium cation;    Z1=e.g. F- and Cl-;    n1-n3,b1,b2,a4=0 or more;    a1-a3,m3-m5=1 or more;    Rz,Ra,Rb,Rc=optionally substituted 6-50C aryl or optionally substituted 1-30C alkyl;    R4=single bond or optionally substituted organic group having valence or (1+m4);    Y2=e.g. carbocation and ammonium cation;    M2=e.g. F- and Cl-;    Z2=optionally substituted ammonium cation or metal cation;    R5=singe bond or organic group having valence of (1+m5);    Y3=group of formula (vi) or groups of formulae: -O-(R'O)a3-R", -S-(R'S)a4-R", -C(=O)-(R'-C(=O))a4-R", -C(=S)-(R'-C(=S))a4-R", -N((R')a4R")2, -C(=O)O-(R'-C(=O)O)a4-R", -C(=O)O-(R'O)a4-R" and -NHC(=O)-(R'NHC(=O))a4-R";    R'=optionally substituted bivalent hydrocarbyl;    R"=H, carboxy, optionally substituted monovalent hydrocarbyl, sulfo, hydroxy, mercapto, -NRc2, cyano, -C(=O)NRc2;    R"'=optionally substituted trivalent hydrocarbyl;    Ar2=optionally substituted condensed polycyclic aromatic group having valence of (2+m6+m7);    R6=(-R8(((Q3)n3-Y3)m9)(((Q1)n1-Y1(M1)a1(Z1)b1)m8)) or (-R9(((Q3)n3-Y3)m11)(((Q2)n2-Y2(M2)a2(Z2)b2)m10));    R7=R2;    m6=1 or more;    m7=0 or more;    R8=optionally substituted organic group having valence of (1+m8+m9);    m8,m9=1 or more;    R9=optionally substituted organic group having valence of (1+m10+m11);and    m10,m11=1 or more.    Full Definitions are given in "DEFINITIONS - Full Definitions" section. INDEPENDENT CLAIMS are included for the following: (i) electronic device having a layer containing the high molecular compound as an electric charge injection layer and/or an electric charge transport layer; (ii) manufacture of polymeric compound having aromatic group-containing structural unit (I); and (iii) organic compound of formula: X1-Ar3(-(R10)m12)(-(R11)m13)-X2.    R10=R1, -R12-((Q4)n4-Y4)m14 or -R13-((Q3)n5-Y5)m15;    R11=R2;    m12,m13=m1;    X1,X2=group independently concerned in condensation polymerization;    R12=single bond or optionally substituted organic group having valence of (1+m14);    Q4,Q5=Q1;    Y4=-CO2Rx, -SO3Rx, -SO2Rx, -PO3(Rx)2 or -B(Rx)2;    n4=0 or more;    Rx=Rz;    m14=m12;    R13=single bond or optionally substituted organic group having valence of (1+m15);    Y5=haloalkyl, halo, -N(Ru)2, -P(Ru)2, or -SRu;    n5=0 or more;    Ru=Rz;and    m15=m12.