. "The second component 20 b need not be transparent and can comprise, for example, metal bus lines (for example silver or aluminum or compounds including silver and aluminum) or bus lines made of sintered silver nano-particles as described, for example, in U.S. Pat. No. 6,812,637 entitled, ???OLED Display With Auxiliary Electrode???, issued Nov. 2, 2004 by Cok et al, US Application 2006/0057502, fil" . . . . . .