| 摘要 |
A light emitting device includes: a first light emission element which emits a first light; a second light emission element which emits a second light; a first reflection surface which reflects the first light; and a second reflection surface which reflects the second light, wherein the first light emission element and the second light emission element are laminated in a first direction and disposed in such positions that the emission direction of the first light and the emission direction of the second light become parallel with each other and that the first light emission element and the second light emission element do not overlap with each other as viewed in the first direction, and the traveling direction of the first light reflected by the first reflection surface and the traveling direction of the second light reflected by the second reflection surface become parallel with each other.
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