TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Component: The electron injection layer or electron carrying layer contains reducing dopant chosen from alkali metal, alkaline-earth metal, rare-earth-metal, oxide of alkali-metal, halide of alkali metal, oxide of alkaline-earth metal, halide of alkaline-earth metal, oxide of rare-earth-metal, halide of rare-earth-metal, organic-complex of alkali-metal, organic-complex of alkaline-earth metal, and organic-complex of rare-earth-metal.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preparation (disclosed): A pyrazine compound of formula (i) is heated in presence of nitrogen atmosphere, to obtain a compound (I) Preferred Compound: The compound (I) is compound chosen from compounds of formulae (Ia-Ik).R7-R10=6-60C aryl, 5-60C heteroaryl, 1-50C alkyl, 3-50C cycloalkyl, or 1-50C haloalkyl (all optionally substituted);or R7+R8,R9+R10=ring;A1,A2=oxygen or -NR'-;R'=6-60C aryl, 5-60C heteroarylene, 1-50C alkylene, 3-50C cycloalkylene, or 1-50C haloalkylene (all optionally substituted);R11-R14=6-60C aryl, 5-60C heteroaryl, 1-50C alkyl, 3-50C cycloalkyl, 1-50C haloalkyl (all optionally substituted);R15-R22=H, 6-60C aryl, 5-60C heteroaryl, 1-50C alkyl, 3-50C cycloalkyl, or 1-50C haloalkyl (all optionally substituted);R23-R26=6-60C aryl, 5-50C heteroaryl, 1-50C alkyl, 3-50C cycloalkyl, 1-50C haloalkyl (all optionally substituted);andn,m=1-2.Preferred Layer: The organic layer is positive hole injection layer, hole transport layer, light emitting layer, electron injection layer, or electron carrying layer. The positive hole injection layer or hole transport layer contains hole injected substance chosen from phthalocyanine copper complex compound, oligothiophene, arylamine-type compound and polycyclic aromatic compound. Preferred Definitions:    R1-R4=electron withdrawing substituent chosen from 1-50C haloalkyl, 6-60C aryloxycarbonyl, 1-50C alkoxycarbonyl, carbamoyl, 6-60C arylcarbonyl, 1-50C alkylcarbonyl, 6-60C arylsulfonyl, 1-50C alkylsulfonyl, 6-60C arylsulfinyl, or 1-50C alkylsulfinyl (all optionally substituted), cyano or nitro.    SPECIFIC COMPOUNDS - 110 Compounds (I) are disclosed e.g. 5,10-diphenyl-5,10-dihydrodipyrazino(2,3-b:2',3'-e)pyrazine-2,3,7,8-tetracarbonitrile of formula (IA), 5,10-bis(4-methylphenyl)-5,10-dihydrodipyrazino(2,3-b:2',3'-e)pyrazine-2,3,7,8-tetracarbonitrile, 2,9-bis(naphthalen-1-yl)-2,4,7,9,11,14-hexaazatricyclo(8.4.0.03,8)tetradeca-1(10),3,5,7,11,13-hexaene-5,6,12,13-tetracarbonitrile, 2,9-bis(naphthalen-2-yl)-2,4,7,9,11,14-hexaazatricyclo(8.4.0.03,8)tetradeca-1(10),3,5,7,11,13-hexaene-5,6,12,13-tetracarbonitrile, and 5,10-dimethyl-5,10-dihydrodipyrazino(2,3-b:2',3'-e)pyrazine-2,3,7,8-tetracarbonitrile.    EXAMPLE - 5-Anilino-6-chloropyrazine-2,3-dicarbonitrile (in g) (6.4) was dissolved in N,N-dimethylformamide (100 mL), and triethylamine (5.6) was added and heated at 140 degrees C for 8 hours. Then, the reaction mixture was poured into hydrochloric acid aqueous solution, and the precipitated crystal was filtered, washed using water and dried under reduced pressure, to obtain a crude product. The obtained crude product was crystallized and washed using ethyl acetate, to obtain 5,10-diphenyl-5,10-dihydrodipyrazino(2,3-b:2',3'-e)pyrazine-2,3,7,8-tetracarbonitrile (IA) (3.9).