NOVELTY - A carbazole group-containing compound (I) is new.    USE - New carbazole group-containing compound is used for luminous host material for light-emitting layer of organic electronic device e.g. organic electroluminescent device, organic solar cell, organophotoreceptor drum and organic thin film transistor used for display device of terminal (all claimed).    ADVANTAGE - The organic electronic device has excellent luminous efficiency and durability.    DETAILED DESCRIPTION - A carbazole group-containing compound of formula (I) is new.    R1-R11=H, halo, cyano, alkoxy, thiol, (un)substituted 1-50C alkyl, (un)substituted 1-50C alkoxy, (un)substituted 1-50C alkenyl, (un)substituted 5-60C arylene, (un)substituted 5-60C aryl, (un)substituted 5-60C aryloxy, (un)substituted 1-50C alkyl including sulfur, nitrogen, oxygen, phosphorus or silicon, (un)substituted 5-60C heteroaryl including sulfur, nitrogen, oxygen, phosphorus or silicon, or (un)substituted 5-60C heteroaryloxy including sulfur, nitrogen, oxygen, phosphorus or silicon;    X=H, (un)substituted 1-50C alkyl, (un)substituted 1-50C alkenyl, (un)substituted 5-60C arylene, (un)substituted 5-60C aryl, (un)substituted 5-60C aryloxy, (un)substituted 1-50C alkyl including sulfur, nitrogen, oxygen, phosphorus or silicon, (un)substituted 5-60C heteroaryl including sulfur, nitrogen, oxygen, phosphorus or silicon, or (un)substituted 5-60C heteroaryloxy including sulfur, nitrogen, oxygen, phosphorus or silicon;and    n=1-3.    R1-R11 form (un)substituted saturated or unsaturated rings by bonding with neighboring groups respectively. INDEPENDENT CLAIMS are included for the following:    (1) organic electronic device, which comprises an organic material layer including one or more layers containing compound (I); and    (2) terminal, which comprises the display device including the organic electronic device, and a controller which drives the display device.    DESCRIPTION OF DRAWING(S) - The drawing shows a view of the organic electroluminescent device. (Drawing includes non-English language text)    Hole injection layer (103)    Hole transport layer (104)    Light-emitting layer (105)    Electron transport layer (106)    Electron injection layer (107)