| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light source device capable of emitting light in a desired direction. <P>SOLUTION: The light source device 100 includes a light-emitting element 20 emitting a first light L1; a fluorescent light-emitting part 40 excited by the first light L1 to emit second light L2; and a concave mirror 10, having a mirror surface 12 reflecting a second light L2, wherein the fluorescent light emitting part 40 is away from the concave mirror 10 and arranged on the rotation axis R of the mirror surface 12. <P>COPYRIGHT: (C)2011,JPO&INPIT |
