Two technologies are presently at the top of the heap in HD projection: µLED and DMD.µLED (microLED) is based on thousands of individually programmable LEDs, produced by suppliers including Lumileds, Nichia, and Osram. Digital Micromirror Devices (DMD) have up to a million individually-aimable micromirrors; the basis is the Digital Light Processing technology from Texas Instruments.…