| 摘要 |
PROBLEM TO BE SOLVED: To provide a lighting device which obtains light distribution over an entire periphery of the lateral side of the device body.SOLUTION: A lighting device 1 includes light emitting elements in a device body 3. The device body 3 includes a columnar body 22. The multiple light emitting elements are attached to a side surface of the columnar body 22 in a circumferential direction, and a frustum shaped reflection mirror 17 is provided at a low part of the columnar body 22. A planar reflection plate 18 is provided at an upper part of the columnar body 22. |
