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New Laser Phosphor Displays (LPDs) Consume Up To 75 Percent Less Energy Than Plasma, LCD Systems

Kathryn Siranosian | Friday January 22nd, 2010 | 4 Comments

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Move over plasma and LCD display systems.

New, improved HD technology is on its way to the marketplace.

Prysm, a privately held company based in San Jose, spent the last five years developing an innovative technology called Laser Phosphor Display (LPD), and according to Roger Hajjar, Prysm CTO and co-founder, this new LPD technology has the potential to revolutionize the electronics industry and replace every other high-definition screen on the market, including plasma, LED, LCD, and DLP.

In short, LPD is a new category of large format displays, he says. It offers freeform flexibility, scalability, long-lasting performance and incredibly high quality image resolution–from near or far distances and any viewing angle.

What’s more, Hajjar points out that new LPD technology also has the lowest cost of ownership and smallest carbon footprint of any large format display currently on the market. For example, LPD display systems:

  • are manufactured without toxic or regulated materials.
  • can be end-of-life recycled without concern for toxic or regulated materials.
  • consume up to 75 percent less energy than other video wall or HDTV technology.
  • run “cooler” than other HD systems and so do not require additional air conditioning/ventilation.

To put LPD’s energy savings in perspective, Hajjar explains that some businesses now spend up to $1 million each year to power large LED video walls. LPD technology can bring those costs down to $50,000. How? Because an LPD system consumes fewer watts per display than a standard home light bulb –that’s less than 100 watts per square meter, he says. In addition, an LPD display does not require additional air conditioning or ventilation systems.

Details about the physics behind LPD technology can be found in Prysm’s company brochure. Essentially, the fundamental components of the system are solid state lasers and a phosphor screen. As the modulating lasers scan across the screen, phosphors emit red, green and blue colors to create a seamless, high resolution image. Ultimately, the LPD design translates into superior image quality (with no motion blur); near 180 degree viewing angle from above, below or side;  240hz refresh rate; high contrast; and a longer life than conventional displays.

Plus, because the phosphors constituting the video image are at the screen surface with minimal filtering, LPD is a bright –and highly efficient –emissive display.

“We looked at the other technologies available and asked, ‘How can we make this in some other way?’” Hajjar says. CRT offers good “black” resolution and low energy consumption, but it’s bulky and requires a vacuum tube.  Plasma and LCD technology overcome some CRT obstacles, but are energy intensive and have other negative environmental impacts. “We picked the best from many worlds and came up with a solution that solves many problems.”

Prysm plans to initially target the commercial AV marketplace at the upcoming ISE (Integrated Systems Europe) tradeshow in Amsterdam, February 2–4.  LPD systems will be commercially available in 2010 with the  potential for the consumer market after that, Hajjar says.

Will Prysm’s LPD technology be an HD game-changer, as the company predicts? I suppose only time –-and the marketplace –-will tell. Hajjar is used to the skepticism, but says people “come around” once they actually see a Prysm unit and begin to realize LPD’s potential for improving the quality, lowering the cost, and reducing the environmental impact of the large format displays that are becoming more and more common in various settings, such as airports, briefing rooms, and entertainment and shopping venues.

“Seeing is believing,” he concludes.

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  • Pingback: CRT HDTVs - New Laser Phosphor Displays (LPDs) Consume Up To 75 Percent Less Energy Than …

  • http://www.airbeddiscounters.com/ air bed

    Sounds very impressive, especially the expected energy cost savings. I hope this becomes available in large computer monitors soon.

  • http://www.facebook.com/people/Bradley-Begent/100000094149440 Bradley Begent

    Technology is moving to fast. Invest in something today and tomorrow its old,outdated and wasteful.

  • http://www.facebook.com/people/Bradley-Begent/100000094149440 Bradley Begent

    Technology is moving to fast. Invest in something today and tomorrow its old,outdated and wasteful.

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  • avne1

    I believe PRYSM is a forward thinking company that has evolved into producing a product that uses 75% less energy than the conventional LCD or LED technology. Congratulations.