LED LIGHT DISTRIBUTION LENS, LED LIGHTING MODULE PROVIDED WITH LED LIGHT DISTRIBUTION LENS AND LIGHTING APPARATUS PROVIDED WITH LED LIGHTING MODULE

摘要

PROBLEM TO BE SOLVED: To provide an LED light distribution lens capable of reducing light unevenness, an LED lighting module provided with the LED light distribution lens, and a lighting apparatus provided with the LED lighting module.;SOLUTION: In an LED light distribution lens 1 including an LED recessed part 2 provided with an LED 3 at a bottom 1a to emit light forward, a light emitting surface 7 for emitting light of the LED, and a reflection surface 6 for reflecting light made incident from the LED recessed part toward the light emitting surface, and formed in the shape of a mortar, the LED recessed part has a convex incidence surface 4 and a side part incidence surface 5, a hole 8 formed toward the bottom side is provided almost at the center of the light emitting surface, an inner circumferential surface of the hole is formed to be a diffusion surface X, and the hole is formed vertically long with a bottom in a side view.;COPYRIGHT: (C)2013,JPO&INPIT