| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light projection structure with optical efficiency of a reflection member increased, especially, for a light-emitting member with a constant size. <P>SOLUTION: The light projection structure 10 is provided with a reflection member 11 having a reflecting face 11a formed into a deep concave face with a focal point f located near an apex t, and a light-emitting member 12 arranged at the apex t and its periphery for irradiating light by being excited by excitation light. <P>COPYRIGHT: (C)2012,JPO&INPIT |
