... Name:LED MR16 Spotlight, Low Power LED Spotlight,LED MR16, MR16 LED Spot Light,LED MR16,LED MR16 4.5W, LED Spot Lamp,LED Bulb Spot,LED Lighting LED MR16 ... , most don't do it very effectively. In an ordinary diode, the semiconductor material itself ends up absorbing a lot of ... see in the diagram, most of the light from the diode bounces off the sides of the bulb, traveling on through ...