H - Electricity – 01 – L
Patent
H - Electricity
01
L
H01L 33/00 (2006.01)
Patent
CA 2517009
An emitter includes a light source and a separately formed conversion material region with conversion particles. The light source is capable of emitting light along a plurality of light paths extending through the conversion material region where at least some of the light can be absorbed by the conversion particles. The light from the light source and the light re-emitted from the conversion particles combine to provide a desired color of light. Each light path extends through a substantially similar amount of conversion particles so that the desired color of light has a substantially uniform color and intensity along each light path.
L'invention porte sur un émetteur comportant une source lumineuse, et une zone séparée de matériau de conversion contenant des particules de conversion. La source lumineuse peut émettre de la lumière sur plusieurs chemins optiques traversant ladite zone où elle est absorbée par au moins certaines des particules de conversion. La lumière provenant de la source et la lumière réémise par les particules se combinent pour donner une lumière de couleur désirée. Chacun des chemins optiques traverse une quantité sensiblement similaire de particules de conversion d'où une couleur désirée présentant sensiblement une couleur et une intensité sensiblement uniformes le long de chacun des chemins optiques.
Ibbetson James
Tarsa Eric
Cree Inc.
Oyen Wiggs Green & Mutala Llp
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