prov:value
| - The EL device 30 includes a substrate 32 comprised of, for example, glass; a cathode 36 with first surface on the substrate 32, where the cathode 36 includes a layer comprising at least one of (i) a material with a low work function (typically <4 eV), which can be a metal, such as for example, Ca or Mg, a metal alloy, such as, for example, Mg:Ag or Al:Li, and (ii) a material with high electron inj
|