CPC F21K 9/232 (2016.08) [F21K 9/238 (2016.08); F21V 5/04 (2013.01); F21Y 2115/10 (2016.08)] | 20 Claims |
1. An LED light distribution structure, comprising: a ring-shaped light distribution element and a plurality of LED chips; wherein:
the ring-shaped light distribution element is provided with a light source cavity in a ring shape, and the light source cavity has a ring center and a center line surrounding the ring center in a ring shape;
the plurality of LED chips are arranged in a ring shape in the light source cavity, each of the LED chips comprises an LED and a chip substrate, and the LED is on the chip substrate; and
LEDs on all the LED chips are uniformly arranged along a ring-shaped wiring line, the ring-shaped wiring line is in a concentric ring with the center line, and the ring-shaped wiring line is located inside or outside of the center line,
wherein the chip substrate has a center, the LED is at the center or not at the center, and the center of the chip substrate is inside or outside the center line.
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