Patent ID: 7211334
Filing Date: 2007-05-01
Classification: C09K,H01L,Y10S

Abstract:
1. An electroluminescent device comprising: (i) a first electrode; (ii) a second electrode; and, (iii) a layer of an electroluminescent material positioned between said first and second electrodes, wherein said electroluminescent material comprises a compound having the following chemical formula: wherein, in Formula I, M is selected from the group consisting of lithium, sodium, potassium, rubidium, caesium, beryllium, magnesium, calcium, strontium, barium, copper, silver, gold, zinc, boron, aluminum, gallium, indium, germanium, tin, antimony, lead, manganese, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, cadmium and chromium; n is the valency of M; and R