SATURATED PHOSPHOR SOLID STATE EMITTER

摘要

A HIGH EFFICIENCY, HIGH YIELD EMITTER PACKAGE (10; 70; 90; 120; 150) IS DISCLOSED EXHIBITING LIMITED WAVELENGTH VARIATIONS BETWEEN BATCHES AND CONSISTENT WAVELENGTH AND EMISSION CHARACTERISTICS WITH OPERATION. ONE EMBODIMENT OF AN EMITTER PACKAGE ACCORDING TO THE PRESENT INVENTION COMPRISES A SEMICONDUCTOR EMITTER AND A CONVERSION MATERIAL (28; 88; 112; 138; 166). THE CONVERSION MATERIAL IS ARRANGED TO ABSORB SUBSTANTIALLY ALL OF THE LIGHT EMITTING FROM THE SEMICONDUCTOR EMITTER AND RE-EMIT LIGHT AT ONE OR MORE DIFFERENT WAVELENGTH SPECTRUMS OF LIGHT. THE CONVERSION MATERIAL IS ALSO ARRANGED SO THAT THERE IS NOT AN EXCESS OF CONVERSION MATERIAL TO BLOCK SAID RE-EMITTED LIGHT AS IT EMITS FROM SAID EMITTER PACKAGE, SAID EMITTER PACKAGE EMITTING LIGHT AT SAID ONE OR MORE WAVELENGTH SPECTRUMS FROM SAID CONVERSION MATERIAL. THE SEMICONDUCTOR EMITTER IS PREFERABLY A LIGHT EMITTING DIODE (LED) OR LASER DIODE.