When The semiconductor substance is translucent, The sunshine are going to be emitted in the junction as junction acts since the source of mild. LED is operated in forward biased mode only. If it is going to run in reverse biased it can get problems mainly because it cannot with https://www.uk-exhibitionstands.co.uk/product/casonara-blimp-cube-360o-hanging-light-box-display-200l/