is 279.47 KB, has a resolution of 600x600 pixels and was uploaded on April 18, 2019 @ 8:02 pm by user: dagmlf. It is filed under the tags: technology, lightemitting diode, energy conversion efficiency, lumen, electronic device. Click the blue button at the top to freely download: Luminous Efficiency Light-emitting Diode Dimmer LED Lamp Display Device png.