NOVELTY - Organic electroluminescent compounds (I) are new.    USE - (I) are useful in an organic or a white electroluminescent device and in an organic solar cell (all claimed).    ADVANTAGE - (I) provide superior luminous efficiency and excellent color purity of the material and life property, due to its superior backbone structure. The organic light emitting diodes produced by (I) have very good operation life. (I) have adequate color coordinates.    DETAILED DESCRIPTION - Organic electroluminescent compounds of formula (R10Ar1-L-Ar20R2) (I) are new.    L = a tricyclic ring of formula (a);    A = N(R71), S, O, -Si(R72)(R73)-, -P(R74)-, -C(=O)-, -B(R75)-, -In(R76)-, Se, -Ge(R77)(R78)-, -Sn(R79)(R80)- or -Ga (R81)-;    ring A = monocyclic or polycyclic 6-60C aromatic ring;    ring B = anthracene;    Ar1, Ar2 = chemical bond, 6-60C arylene, 3-60C heteroarylene comprising one or more heteroatoms of N, O and S, 5 or 6 membered heterocycloalkylene comprising one or more heteroatoms of N, O and S, 3-60C cycloalkylene, 2-60C alkenylene, 2-60C alkynylene, 1-60C alkylenoxy, 6-60C arylenoxy or 6-60C arylenethio;    R1, R2 = H, deuterium, halo, 1-60C alkyl, 6-60C aryl, 3-60C heteroaryl comprising one or more heteroatoms of N, O and S, morpholino, thiomorpholino, 5 or 6 membered heterocycloalkyl comprising one or more heteroatoms of N, O and S , 3-60C cycloalkyl, tri(1-60C)alkylsilyl, di(1-60C)alkyl(6-60C)arylsilyl, tri(6-60C)arylsilyl, adamantyl, 7-60C bicycloalkyl, 2-60C alkenyl, 2-60C alkynyl, cyano, amino, mono or di 1-60C alkylamino, mono or di(6-60C)arylamino, (6-60C)ar(1-60C)alkyl, 1-60C alkyloxy, 1-60C alkylthio, 6-60C aryloxy, 6-60C arylthio, 1-60C alkoxycarbonyl, 1-60C alkylcarbonyl, 6-60C arylcarbonyl, carboxyl, nitro, OH, tricyclic rings of formulae (b)-(g) or dicyclic ring of formula (h);    X, Y1 = chemical bond, -(CR51R52)m-, -N(R53)-, -S-, -O-, -Si(R54)(R55)-, -P(R56)-, -C(=O)-, -B(R57)-, -In(R58)-, -Se-, -Ge(R59)(R60)-, -Sn(R61)(R62)-, -Ga(R63)- or -(R64)C=C(R65)-, excluding the case where both X and Y1 are chemical bonds at the same time;    R3, R4, R31, R48 = H, deuterium, halo, 1-60C alkyl, 6-60C aryl, 3-60C heteroaryl comprising one or more heteroatoms of N, O or S, morpholino, thiomorpholino, 5 or 6 membered heterocycloalkyl comprising one or more heteroatoms of N, O or S, 3-60C cycloalkyl, tri(1-60C)alkylsilyl, di(1-60C)alkyl(6-60C)arylsilyl, tri(6-60C)arylsilyl, adamantyl, (7-60C)bicycloalkyl, 2-60C alkenyl, 2-60C alkynyl, cyano, amino, mono or di (1-60C)alkylamino, mono or di (6-60C)arylamino, (6-60C)ar(1-60C)alkyl, 1-60C alkyloxy, 1-60C alkylthio, 6-60C aryloxy, 6-60C arylthio, 1-60C alkoxycarbonyl, 1-60C alkylcarbonyl, 6-60C arylcarbonyl, carboxyl, nitro or OH, or each of R31 through R43 may be linked to an adjacent substituent via 3-60C alkylene or 3-60C alkenylene with or without a fused ring to form an alicyclic ring or a monocyclic or polycyclic aromatic ring;    R51-R55, R71-R81 = H, deuterium, halo, 1-60C alkyl, 6-60C aryl, 3-60C heteroaryl comprising one or more heteroatoms of N, O or S, morpholino, thiomorpholino, 5 or 6 membered heterocycloalkyl comprising one or more heteroatoms of N, O or S, 3-60C cycloalkyl, tri(1-60C)alkylsilyl, di(1-60C)alkyl(6-60C)arylsilyl, tri(6-60C)arylsilyl, adamantyl, 7-60C bicycloalkyl, 2-60C alkenyl, 2-60C alkynyl, cyano, amino, mono or di (1-60C)alkylamino, mono or di (6-60C)arylamino, (6-60C)ar(1-60C)alkyl, 1-60C alkyloxy, 1-60C alkylthio, 6-60C aryloxy, 6-60C arylthio, 1-60C alkoxycarbonyl, 1-60C alkylcarbonyl, 6-60C arylcarbonyl, carboxyl, nitro or OH, or R51 and R52, R54 and R55, R59 and R60, R62 and R62, R64 and R65, R72 and R73, R77 and R78, R79 and R80 may be linked via 3-60C alkylene or 3-60C alkenylene with or without a fused ring to form an alicyclic ring or a monocyclic or polycyclic aromatic ring; where the arylene, heteroarylene, heterocycloalkylene, cycloalkylene or alkenylene of Ar1 and Ar2 or the alkyl, aryl, heteroaryl, heterocycloalkyl, cycloalkyl, trialkylsilyl, dialkylarylsilyl, triarylsilyl, adamantyl, alkenyl, alkynyl, amino, alkylamino or arylamino of R1-R4, R31, R48, R51, R65, R71, R81 may be further substituted by one or more substituents of deuterium, halo, halo(1-60C)alkyl, (1-60C)alkyl, 6-60C aryl, 3-60C heteroaryl comprising one or more heteroatoms of N, O and S, morpholino,, thiomorpholino, 5 or 6-membered heterocycloalkyl comprising one or more heteroatoms of N, O and S, 3-60C cycloalkyl, tri(1-60C)alkylsilyl, di(1-60C)alkyl(6-60C)arylsilyl, tri(6-60C)arylsilyl, adamantyl, (7-60C)bicycloalkyl, 2-60C alkenyl, 2-60C alkynyl, cyano, amino, mono- or di-(1-60C) alkylamino, mono- or di-(6-60C) arylamino, (6-60C)ar(1-60C)alkyl, (1-60C)alkyloxy, (1-60C)alkylthio, (6-60C)aryloxy, (6-60C)arylthio, (1-60C)alkoxycarbonyl, (1-60C)alkylcarbonyl, (6-60C)arylcarbonyl, carboxyl, nitro or hydroxyl; and    m = 1-4.    INDEPENDENT CLAIMS are included for:    (1) an organic or a white electroluminescent device comprising (I); and    (2) an organic solar cell comprising (I).