NOVELTY - A high molecular compound having aromatic structural unit (I) or (II), is new.    USE - New high molecular compound used for electronic device e.g. electroluminescence element (all claimed) for solar cell.    ADVANTAGE - The electronic device using the high molecular compound has high intensity and light-emitting property.    DETAILED DESCRIPTION - A high molecular compound having aromatic structural unit of formula: -(Ar(-(R1)n3))- (I) or -(Ar2(-(R3)n4)(-(R4)n5)-) (II), is new.    R1=-R2-(((Q2)n2-Y2)m2)-((Q1)n1-Y1(M1)a1(Z1)b1)m1;    Ar1=2+n3 valence aromatic group optionally having substituents other then R1;    n3,m1,m2,a1,n4,n5,m3,a3=1 or more;    R2=(1+m1+m2) valence organic group;    Q1,Q2=divalent organic group;    Y1=-CO2-, -SO3-, -SO2-, -PO32- or -B(R')3-;    M1=H+, metal cation, or optionally substituted ammonium cation;    Z1=F-, Cl-, Br-, I-, OH-, B(R")4-, R"SO3-, R"COO-, ClO-, ClO2-, ClO3-, ClO4-, SCN-, CN-, NO3-, SO42-, HSO4-, PO43-, HPO42-, H2PO4-, BF4- or PF6-;    Y2=group of formula (i), -O-(R'"O)a3-R'1, -S-(R'"S)a4-R'1, -C(=O)-(R'"-C(=O))a4-R'1, -C(=S)-(R'"-C(=S))a4-R'1, -N((R'")a4R'1)2, -C(=O)O-(R'"-C(=O)O)a4-R'1, -C(=O)O-(R'"O)a4-R'1, or -NHC(=O)-R'"NHC(=O)a4-R'1;    n1,b1,n2,a4=0 or more;    R',Rc=6-50C aryl optionally substituted by optionally substituted 1-30C alkyl;    R"=optionally substituted monovalent organic group;    R3=R1 or -R5-((Q1)n1-Y1(M1)a1(Z1)b1)m3;    R4=-R6-((Q2)a2-Y2)m4;    Ar2=(2+n4+n5) valence aromatic group optionally having substituents other than R3 and R4;    R5=single bond or organic group having valence of 1+m3;    R6=single bond or organic group having valence of 1+m4;    R'"=optionally substituted bivalent hydrocarbyl;    R'1=H, optionally substituted monovalent hydrocarbyl, carboxy, sulfo, hydroxy, mercapto or -NRc2;and    R"1=optionally substituted trivalent hydrocarbyl.    The ratio of hydrogen ion (H+) is more than 0% with respect to M1 in a high molecular compound. The amount of M1 in a high molecular compound is 50% or less. INDEPENDENT CLAIMS are included for the following:    (1) electronic device, which contains electric charge injection layer and/or an electric charge transport layer and layer containing high molecular compound having aromatic structural unit of formula: -(Q1)n1-Y1(M1)a1(Z1)b1 or -(Q2)n2-Y2; and    (2) manufacture of high molecular compound.