A light emitting device is disclosed including a primary light source
having a defined emission photon energy output, and, a light emitting
material situated near to said primary light source, said light emitting
material having an absorption onset equal to or less in photon energy
than the emission photon energy output of the primary light source
whereby non-radiative energy transfer from said primary light source to
said light emitting material can occur yielding light emission from said
light emitting material.