Patent ID: 6051319
Filing Date: 2000-04-18
Classification: C07F,C09K,H01L,H05B,Y10S

Abstract:
An electroluminescent element obtained by using silacyclopentadiene derivatives expressed by the formula XV ##STR23## wherein, X and Y denote independently each other saturated or unsaturated hydrocarbon radicals with from 1 to 6 carbon atoms, alkoxy radicals, alkenyloxy radicals, alkynyloxy radicals, hydroxy radical, substituted or unsubstituted aryl radicals, or substituted or unsubstituted heterocycles, or X and Y are bonded together to form a structure of a saturated or unsaturated ring, and from R.sub.1 to R.sub.4 denote independently each other hydrogen, halogens, substituted or unsubstituted alkyl radicals with from 1 to 6 carbon atoms, alkoxy radicals, aryloxy radicals, perfluoroalkyl radicals, perfluoroalkoxy radicals, amino radicals, alkylcarbonyl radicals, arylcarbonyl radicals, alkoxycarbonyl radicals, aryloxycarbonyl radicals, azo radical, alkylcarbonyloxy radicals, arylcarbonyloxy radicals, alkoxycarbonyloxy radicals, aryloxycarbonyloxy radicals, sulfinyl radical, sulfonyl radical, sulfanil radical, silyl radical, carbamoyl radical, aryl radicals, hetrocyclic radicals, alkenyl radicals, alkynyl radicals, nitro radical, formyl radical, nitroso radical formyloxy radical, isocyano radical, cyanate radical, isocyanate radical, thiocyanate radical isothiocyanate radical or cyano radical or substituted or unsubstituted condensed rings in the case of being adjacent.