As illustrated in FIG. 2, the wavelength converting element 110 includes phosphor grains 112 embedded in a transparent film 114 that is attached to the optical concentrator 108.
如图2所示，波长转换元件110包括嵌于透明薄膜114中的磷光体颗粒112，透明薄膜114附接到光学集中器108上。
The wavelength converting element 110 May be, e. g., a phosphor platelet that is indexed matched with the optical concentrator 108.
波长转换元件110可(例如)是磷光体板，它的折射率与光学集中器108相匹配。
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