NOVELTY - A phenanthrene-containing compound (I), is new.    USE - New phenanthrene-containing compound is used for organic electric device e.g. organic electroluminescent display device, organic solar cell, organophotoreceptor, organic thin-film transistor and white illumination device for electronic device (all claimed). Uses include but are not limited to mobile communication terminal, personal digital assistant, electronic dictionary, car navigation, game console, television, computer and mobile telephone.    ADVANTAGE - The organic electric device containing the phenanthrene-containing compound has excellent luminous efficiency, stability and durability, and low drive voltage.    DETAILED DESCRIPTION - A phenanthrene-containing compound of formula (I), is new.    ring A=6-60C monocyclic or polycyclic aromatic or heterocyclic system;    Y'=direct bond, H, deuterium, halo, nitrile, nitro, -L-N(Ar1)(Ar2), 2-60C heterocyclic group optionally substituted by deuterium, halo, -N(Ar1)(Ar2), 1-20C alkyl, 7-20C arylalkyl, 2-20C alkenyl, 8-20C arylalkenyl, 1-20C alkoxy, 6-60C aryl, 6-20C aryl substituted with deuterium, nitrile or acetylene, 1-30C alkoxy or 6-30C aryloxy, 1-50C alkyl, or bivalent substituent chosen from 6-60C arylene, fluorenyl, ring with 6-60C aromatic ring and 3-60C aliphatic fused ring, 2-60C heterocyclic group, divalent aliphatic hydrocarbyl, 6-60C aryl or fluorenyl;    n=1 or 2;    R1-R11=H, deuterium, halo, nitrile, nitro, -L-N(Ar1)(Ar2), 2-60C heterocyclic group optionally substituted by deuterium, halo, -N(Ar1)(Ar2), 1-20C alkyl, 7-20C arylalkyl, 2-20C alkenyl, 8-20C arylalkenyl, 1-20C alkoxy, 6-60C aryl, 6-20C aryl substituted with deuterium, nitrile or acetylene, 1-30C alkoxy or 6-30C aryloxy optionally substituted by deuterium, halo, amino, nitrile, nitro, 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 3-30C cycloalkyl, 6-60C aryl, 6-20C aryl substituted with deuterium or 2-60C heterocyclic group, 1-50C alkyl, 6-60C aryl or fluorenyl;    X=S, SO or SO2;    L=direct bond, 6-60C arylene, fluorenyl, ring in which 6-60C aromatic ring and 3-60C aliphatic fused ring, 2-60C heterocyclic group, or divalent aliphatic hydrocarbyl;and    Ar1,Ar2=2-60C heterocyclic group comprising at least one heteroatom chosen from O, N, S, Si and P, and optionally substituted by deuterium, halo, -N(Ar1)(Ar2), 1-20C alkyl, 7-20C arylalkyl, 2-20C alkenyl, 8-20C arylalkenyl, 1-20C alkoxy, 6-60C aryl, 6-20C aryl substituted with deuterium, nitrile or acetylene, 1-30C alkoxy or 6-30C aryloxy optionally substituted by deuterium, halo, amino, nitrile, nitro, 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 3-30C cycloalkyl, 6-60C aryl, 6-20C aryl substituted with deuterium or 2-60C heterocyclic group, 1-50C alkyl, 6-60C aryl or fluorenyl.    INDEPENDENT CLAIMS are included for the following:    (1) organic electric device; and    (2) electronic device.    DESCRIPTION OF DRAWING(S) - The drawing shows the schematic view of the organic electroluminescent display device. (Drawing includes non-English language text)    Substrate (110)    Hole injection layer (130)    Hole transfer layer (140)    Light-emitting layer (150)    Electron transfer layer (160)