Is the Future of Projection Lamp-Free? -

Is the Future of Projection Lamp-Free?

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We’ve been covering the trend toward lamp-free projectors for several years now. And it’s an interesting story at InfoComm 2012 in Las Vegas this week.

The projection world is seeing a trend toward “Solid State”, or lamp-free projection– using LED phosphors and/or Laser light as the light source, in place of a conventional mercury lamp. The logic behind all this is straightforward: projection lamps are costly to replace. In schools and universities in particular many would like to see more “lamp-free” projectors. Currently, LED-light engine and a couple of “hybrid” LED/Laser DLP projectors fill this bill. There is still a price premium in the lumens to price ratio for lampless, but the gap will narrow with economies of scale.

We’ve reported from InfoComm this week, that a handful of companies are now upping the lumen output on lampless projectors for that low-mid lumen level for the boardroom and classroom. Casio, Optoma (both those with the intriguing “hybrid” projectors that combine LED and low-power laser for the light source), BenQ (with a laser light source rather than a traditional mercury lamp), and just this week Panasonic entered the arena with another LED-light source projector (but the Panasonic unit is not scheduled to ship before Q1 2013).

Yesterday at InfoComm I had a conversation with Anders Lokke from projectiondesign– who had a booth at the show. I’ve written about “pd” over the years– as the company has always been at the forefront of projection– creating the “porsches of projection” I wrote a few years back, when pd was breaking ground with single-chip DLP projection. I asked Anders why their offering in the “lampless” category, was not pushing the envelope in terms of lumen output. Their FL35 is rated at 1200 lumens. But I looked again at the specs yesterday, it jumped out at me that their unit is rated for 100,000 hours of light engine life. That’s a huge number. It’s important to note that the other projector manufacturers (listed above) with lampless offerings are talking about in the range of 20,000 hours life. And 20,000 hours is a huge improvement over the life of a mercury lamp! What’s happening is that for that classroom market, they have to get the lumen level up to 2000 and above to compete with so many conventional bulb projectors that come in below $1K for 2-3000 lumens. Experience tells us that getting rid of the heat from LED phosphors in a lampless design is not easy. And laser– it’s still expensive and not easy to eliminate the laser “speckle” in the image. Most of the manufacturers are opting for that 20,000 hours or so of life (when they could be getting even more) to get up to the several thousand lumen range. You can get even more life by dialing back the lumen level a bit as projectiondesign has done. In an ambient light-controlled command and control room, with 24/7 operation for example, the user will take the huge life span over more lumens.

So we’re starting to see both the technical and market dynamics for a couple of market segments– just a couple. High lumen projection? We’ll see Laser light engines there too, but that technology is not to market just yet. That’s a different and even more intriguing story.


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Lamp-Free Projectors at InfoComm

The projection world is seeing a trend toward “Solid State”, or lamp-free projection– using LED phosphors and/or Laser light as the light source, in place of a conventional mercury lamp. This trend is in ample evidence at the InfoComm show this week in Las Vegas, with products on demo from Casio, Panasonic, Optoma, BenQ, and more.

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