NOVELTY - A cyclohexadiene ring-containing low molecular compound (I), is new.    USE - New cyclohexadiene ring-containing low molecular compound is used for polymer for material used in composition for electronic device for organic solar cell element and organic electroluminescent element for display apparatus and illuminating device (all claimed), and light source for copier, liquid crystal display, measuring instrument, display board, marker lamp, wall-mounted television, vehicle-mounted display element, mobile telephone and office automation computer.    ADVANTAGE - The cyclohexadiene ring-containing low molecular compound has excellent film forming property. The film formed using the cyclohexadiene ring-containing low molecular compound has excellent stability. The electronic device containing the cyclohexadiene ring-containing low molecular compound favorable charge transport efficiency, light emitting efficiency, heat resistance, weather resistance and drive stability.    DETAILED DESCRIPTION - A cyclohexadiene ring-containing low molecular compound of formula (I), is new.    R21,R22=-CH=CH- or -CH2-CH2-;    Arb=optionally substituted aromatic cyclic hydrocarbyl;and    d=1-4.    The cyclohexadiene ring has further substituent other than R21, R22 and Arb, and the substituent does not condense to form cyclohexadiene ring structure. INDEPENDENT CLAIMS are included for the following:    (1) polymers, which has monovalent or bivalent organic group of formula (II);    (2) electronic device material;    (3) composition for electronic device, which contains electronic device material and solvent;    (4) organic electroluminescent element; and    (5) organic solar cell element.    R11,R12=R21;    Ara=Arb;    m=1-4;and    x=1 or 2.    DESCRIPTION OF DRAWING(S) - The drawing shows schematic view of organic electroluminescent element.    Substrate (1)    Anode (2)    Positive hole injection layer (3)    Positive hole transport layer (4)    Light emitting layer (5)    Hole-blocking layer (6)