| 摘要 |
A reflector (10) for a light source, disposed at a back of a light source lamp for reflecting light from the light source lamp in a direction of an X axis, includes: a first reflecting portion (11) having a reflecting surface whose cross section in an XZ plane is a curve open toward the direction of the X axis; and a second reflecting portion (12) coupled to an end of the first reflecting portion in the direction of the X axis having a reflecting surface whose cross section in the XZ plane is straight lines spaced further apart from each other toward the direction of the X axis.
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