| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light-emitting device capable of attaining a high luminance and a long life. <P>SOLUTION: The light-emitting device includes: laser diode groups 10 for generating a plurality of laser beams L0; a rectangular parallelepiped-shape light-emitting body 40 for generating incoherent light L3 by irradiating irradiation light L2 originated from respective laser beams L0 generated from the laser diode groups 10; a first light guide section 20 wherein respective laser beams L0 incident from a light incident section 201 are guided to a light emitting section 202 and emitting light L1 originated from respective guided laser beams L0 is emitted from the light emitting section 202; and a saddle-shaped concave lens 30 for irradiating, by dispersing to a light irradiation region of a rectangular parallelepiped-shape light-emitting body 40, the emitting light L1 emitted from the light emitting section 202 as the irradiation light L2. <P>COPYRIGHT: (C)2012,JPO&INPIT |
