DSM Ultra-Thin LED Displays VCC DSM Ultra-Thin LED Displays are one-digit, seven-segment LED numeric displays with five sizes of characters, available in red or green. The device's thin design reduces the overall thickness of the PCB while producing a high light output. VCC DSM Ultra-Thin LED Displays are made from AlGalnP on transparent GaAs substrate. These rugged LED displays offer 100,000 life expectancy hours. Typical applications include people movers, home and industrial appliances, medical devices, transportation, and more.