In The event the semiconductor content is translucent, The sunshine are going to be emitted from the junction as junction functions as the source of light-weight. LED is operated in ahead biased mode only. If it will function in reverse biased it can get hurt as it cannot with stand https://www.uk-exhibitionstands.co.uk/fabric-vs-pop-up-vs-traditional-a-comparison-of-exhibition-stand-options/