A US company called Prysm is unveiling a new display technology called Laser Phosphor Display, or LPD. LPD is based on Phosphorescent materials, and a laser that scan on the display's surface and 'turn the pixels on'. This display does not require a backlight, and black pixels will not require any power (as it is with OLED displays).

Concept Prysm huge TVConcept Prysm huge TV

Prysm says that this technology is very efficient - a 55" panel will consume less power than a single light bulb, and it is also cheap to build. Prysm wants to target commercial vendors first and not consumer TVs, and in any case haven't shown even a demo yet. But we'll keep watching... 

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