CPC F21V 7/06 (2013.01) [G02F 1/29 (2013.01); F21Y 2115/10 (2016.08)] | 7 Claims |
1. A lighting device comprising:
a circular funnel shaped reflector including a first neck portion, a circular opening portion, a first reflecting surface, and a first optical axis,
a rectangle funnel shaped reflector including a second neck portion, a rectangle opening portion, a second reflecting surface, and a second optical axis,
provided a distance from the first neck portion to the circular opening portion along the first optical axis is h1, and a diameter of the circle is d1,
h1/d1 is two or larger,
provided a distance from the second neck portion to the rectangle opening portion along the second optical axis is h2, and a length of one side of the rectangle is d2,
h2/d2 is two or larger, and
the circular funnel shaped reflector and the rectangle funnel shaped reflector are disposed adjacently.
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