| 摘要 |
The invention provides a light source device which can positively arrange a light source lamp at a predetermined position on an optical axis. To this end, the invention provides an alignment reference surface on a reflector to which the light source lamp is attached. More specifically, a light source device of the invention comprises a light source lamp, and a reflector for reflecting light emitted from the light source lamp, the light source lamp being attached to the reflector, wherein an alignment reference surface for aligning and mounting the light source lamp is formed on the reflector. According to the invention, the light source device can be assembled by mounting the light source lamp apart from the alignment reference surface by a predetermined distance with respect to, for example, the X-axis, Y-axis, and Z-axis, respectively. That is, in mounting the light source lamp to the reflector, it is possible to assemble the light source device without fine adjustment of the mounting position of the light source lamp while the light source lamp is lit.
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