Best LED Wall Panels devices emit light more effectively than incandescent around. An electrical current passes through a microchip that illuminates the tiny sources of light that we call LED and the effect is noticeable. The heat LEDs produce are absorbed into a heat sink to avoid performance problems.The useful life of products for LED Wall Panel is described differently from other light sources, such as incandescent or compact fluorescent lighting. LED don't normally "burn out" or crash. Rather, they undergo 'lumen depletion,' in which the LED gradually dims over time. Unlike incandescent lamps, "lifetime" LED is expected when light production decreases.