CPC G01N 21/554 (2013.01) [H01L 33/502 (2013.01); H01L 33/56 (2013.01); B82Y 30/00 (2013.01)] | 24 Claims |
1. A light-emitting device comprising:
a light-emitting diode (LED) chip;
a plasmonic material on the LED chip, wherein the plasmonic material is arranged to receive light emitted by the LED chip and induce a localized surface plasmon enhanced electric field; and
a lumiphoric material arranged to receive light emitted by the LED chip, wherein the lumiphoric material is arranged at least partially within the localized surface plasmon enhanced electric field;
wherein the plasmonic material is arranged with decreased concentrations in areas that are registered with central portions of the LED chip as compared with other areas that are registered at or near peripheral portions of the LED chip.
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