NOVELTY - A phenazine-type compound (I) is new.    USE - New phenazine-type compound is used for composition for charge transport, semiconducting, electroconductive, photoconducting and light emitting materials used in optical, electrooptical, electronic, electroluminescent and photoluminescent components or devices e.g. organic field effect transistors, thin film transistors, integrated circuits, logic circuits, capacitors, radio frequency identification tags, organic light emitting diodes, organic light emitting transistors, flat panel displays, backlights of displays, organic photovoltaic devices, solar cells, laser diodes, photoconductors, photodetectors, electrophotographic devices, electrophotographic recording devices, organic memory devices, sensor devices, charge injection layers, charge transport layers or interlayers in polymer light emitting diodes, organic plasmon-emitting diodes, Schottky diodes, planarizing layer, antistatic films, polymer electrolyte membranes, conducting substrates, conducting patterns, electrode materials in batteries, alignment layers, biosensors, biochips, security markings, security devices, and components or devices for detecting and discriminating DNA sequences.    ADVANTAGE - The phenazine-type compound has high charge carrier mobility and melting point, and excellent photo and thermal stabilities.    DETAILED DESCRIPTION - A phenazine-type compound of formula (I) is new.    R1-R4=linear, branched or cyclic 1-40C alkyl in which non-adjacent CH2 group(s) are optionally replaced by -O-, -S-, -NR0-, -SiR0R00-, -CY0=CY00- or -CC-, or 4-20 aryl or heteroaryl (both optionally substituted by group (L)), and O and/or S in R1-R4 are not linked directly with each other;    X1-X6=H or group L;    group L=P-Sp-, F, Cl, Br, I, -OH, -CN, -NO2, -NCO, -NCS, -OCN, -SCN, -C(=O)NR0R00, -C(=O)X0, -C(=O)R0, -NR0R00, C(=O)OH, optionally substituted silyl or germyl, optionally substituted 4-20C aryl or heteroaryl, linear, branched or cyclic 1-12C alkyl, alkoxy, oxaalkyl or thioalkyl which is optionally substituted with F or Cl or OH groups, and linear, branched or cyclic 2-12C alkenyl, alkynyl, alkylcarbonyl, alkoxycarbonyl, alkylcarbonyloxy or alkoxycarbonyloxy, which is optionally substituted with F or Cl or OH groups;    P'=polymerizable group;    Sp=spacer group or single bond;    X0=halo;    R0,R00=H or 1-20C alkyl;and    Y0,Y00=H, F, Cl or CN.    An INDEPENDENT CLAIM is included for composition, which contains phenazine-type compound and organic solvents.