TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The organic electric device has an organic layer, primary electrode and secondary electrode. The organic layer comprises at least one of light-emitting layer, hole injection layer, hole-transport layer, electron injection layer and electron-transport layer. Full definitions:    R1,R2=1-50C alkyl (optionally substituted by 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 6-20C aryl, 6-20C aryl (substituted by deuterium), 7-20C arylalkyl, 8-20C aryl alkenyl, 2-20C hetero ring, nitrile or acetylene), 2-20C alkenyl (optionally substituted by H, deuterium, tritium, halo, 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 6-20C aryl amine, 6-60C aryl , 6-20 aryl(substituted by deuterium), 7-20C arylalkyl, 8-20C aryl alkenyl, 2-20C hetero ring, nitrile or acetylene), or 6-60C aryl (optionally substituted by H, deuterium, halo, 1-20C alkyl, 1-20C alkoxy, 1-20C alkyl amine, 1-20C alkyl thiophene, 6-20C aryl thiophene, 2-20C alkenyl, 2-20C alkynyl, 3-20C heterocycloalkyl, 6-60C aryl, 6-20C aryl (substituted by deuterium), 8-20C aryl alkenyl, silane, B, Ge or 2-20C heterocycloalkyl ring);    n=1 or 2;and    L=1-50C alkyl (optionally substituted by H, deuterium, halo, 2-20C alkenyl, 1-20C alkoxy, 6-20C aryl, 6-20C aryl (substituted by deuterium), 7-20C arylalkyl, 8-20C aryl alkenyl, 2-20C hetero ring, nitrile or acetylene), 6-60C aryl (optionally substituted by H, deuterium, halo, 1-20C alkyl, 1-20C alkoxy, 1-20C alkyl amine, 1-20C alkyl thiophene, 6-20C aryl thiophene, 2-20C alkenyl, 2-20C alkynyl, 3-20C heterocycloalkyl, 6-20C aryl, 6-20C aryl (substituted by deuterium), 8-20C aryl alkenyl, silane, B, Ge, 2-20C hetero ring or 6-60C aryl), 2-60C hetero ring (optionally substituted by H, deuterium, halo, 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 6-20C aryl amine, 6-60C aryl, 7-20C arylalkyl, 8-20C aryl alkenyl, 2-20C hetero ring, nitrile, acetylene or hetero atom chosen from O, N, S, Si or P), 6-60C aryl amine (optionally substituted by H, deuterium, halo, amino, nitrile, nitro, 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 3-30C heterocycloalkyl or 6-60C aryl), 2-20C alkenyl (optionally substituted by H, deuterium, halo, 1-20C alkyl, 2-20C alkenyl, 1-20C alkoxy, 6-20C aryl amine, 6-60C aryl, 7-20C arylalkyl, 8-20C aryl alkenyl, 2-20C hetero ring, nitrile or acetylene), 1-30C alkoxy (optionally substituted by H, deuterium, halo, 2-20C alkenyl, 1-20C alkoxy, 6-20C aryl, 6-20C aryl (substituted by deuterium), 7-20C arylalkyl, 8-20C aryl alkenyl, 2-20C hetero ring, nitrile or acetylene), 6-30C aryloxy (optionally substituted by single bond, nitro, nitrile, halo, 1-20C alkyl, 1-20C alkoxy, 6-20C aryl, 2-20C hetero ring or 6-60C arylene), 6-20C aryl (optionally substituted by 1-20C alkyl, nitro, nitrile, halo, 1-20C alkyl or 1-20C alkoxy), or 3-60C heteroaryl.    SPECIFIC COMPOUNDS - 129 Fluorene derivatives e.g. 6-(anthracen-9-yl)-9,9-dimethylpentacyclo(10.6.1.02,10.03,8.015,19)nonadeca-1,3(8),4,6,10,12(19),15,17-octaene of formula (Ia), 9,9-dimethyl-6-(10-phenylanthracen-9-yl)pentacyclo(10.6.1.02,10.03,8.015,19)nonadeca-1,3(8),4,6,10,12(19),15,17-octaene, 9,9-dimethyl-6-(10-(naphthalen-1-yl)anthracen-9-yl)pentacyclo(10.6.1.02,10.03,8.015,19)nonadeca-1,3(8),4,6,10,12(19),15,17-octaen, 9,9-dimethyl-6-(10-(naphthalen-2-yl)anthracen-9-yl)pentacyclo(10.6.1.02,10.03,8.015,19)nonadeca-1,3(8),4,6,10,12(19),15,17-octaene, and 9,9-dimethyl-6-(10-(4-phenylphenyl)anthracen-9-yl)pentacyclo(10.6.1.02,10.03,8.015,19)nonadeca-1,3(8),4,6,10,12(19),15,17-octaene, are claimed.