| 摘要 |
A light source module includes a first and a second light source sets, and a light guide element (LGE) having a light exit end, a light incident end, and reflection planes connected between thereof. A first and a second filter films are disposed between the edge of the light exit end and the light incident end of the LGE. The internal space of the LGE is divided by the filter films into a first, a second, and a third wedge regions. The first and second light source sets are disposed at the light incident ends correspond to the first and second wedge regions respectively. Light beams from the first light source set and the second source set pass through the first filter film and the second filter respectively, and then to be reflected by the second filter film and first filter film respectively.
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