| 摘要 |
A light-emitting device is disclosed which can be realized as a single device and can change luminous fluxes from a plurality of light sources having different uses and different characteristics into luminous fluxes having predetermined light-emitting characteristics without changing the mounting position in an apparatus. The light-emitting device has a first light guiding portion which receives first light from a first light source, a second light guiding portion which receives second light from a second light source, and an optical member which includes an emergence portion from which the light emerges after it passes each of the light guiding portions.
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