| 摘要 |
<p>PROBLEM TO BE SOLVED: To give a three-dimensional effect in a switch unit including a display on the back of a key.SOLUTION: In a switch unit 21, a coupled mirror 14, consisting of a half mirror 12 arranged on the top surface side and a mirror 13 arranged on the back side thereof at an interval, is provided around an operation key 24 of an operation key cover 19. A diffusion part 20 of a light guide member 10 is facing the area between the half mirror 12 and the mirror 13, so that the light emitted from the diffusion part 20 of the light guide member 10 travels between the half mirror 12 and the mirror 13.</p> |
