| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a light source for illumination that allows a user to selectively add a function to a lighting device, which is not capable of extending functions, and stably use the function.SOLUTION: A function addition device is connected with a light source for illumination 100. The light source for the illumination 100 includes: a light emitting part; a first connection part 190 where the function addition device is detachably connected to allow the first connection part 190 to receive a control signal, which is used for controlling light emission of the light emitting part, from the function addition device; and a body part including a light emitting surface which extracts light from the light emitting part, a side surface provided around the light emitting surface, and an installation surface which is opposite to the light emitting surface, the body part storing the light emitting part. The first connection part 190 is provided on the side surface of the body part or the installation surface of the body part.</p> |
