| 摘要 |
PROBLEM TO BE SOLVED: To control a light emission direction and easily obtain a specified expansion angle. SOLUTION: This light source element is constituted by a first element 3 provided with a light guide body 5 for emitting light facially and a reflection member 6 arranged on a surface opposite to the emission surface and a second element 4 provided with an incident surface on which the emitted light of the first element 3 is incident and an emission surface for emitting the incident light in a specified direction. A pin hole group 8 is formed on the incident surface, a light shield part excluding the pin hole group 8 in the incident surface of the second element is a mirror face 9, and a microlens array 7 is formed on the emission surface of the second element 4. It is preferable that each lens constituting the lens array corresponds to each pin hole of the pin hole group by one-to-one. |
