Patent ID: 7887933
Filing Date: 2011-02-15
Classification: C09K,H01L,Y10S

Abstract:
1. An electroluminescent device which comprises: (i) a first electrode; (ii) a second electrode; and, (iii) between said first electrode and said second electrode, a layer of an electroluminescent material comprising a compound of formula (I) below and a fluorescent or phosphorescent dopant; wherein, in formula (I), M is lithium, sodium, potassium, rubidium, cesium, 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 or chromium; n is the valence of M; and R