如图2所示，光的一部分将被朝向发光装置102反向发射，在此它将被二向色滤光片反射用于再循环。
As shown in FIG. 2, a portion of the light will be emitted back towards the light emitting device 102, where it will be reflected by the dichroic filter for recycling.
如图2所示，光的一部分将被朝向发光装置102反向发射，在此它将被二向色滤光片反射用于再循环。
As shown in FIG. 2, a portion of the light will be emitted back towards the light emitting device 102, where it will be reflected by the dichroic filter for recycling.
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