HDTV DLP

First, we all watched NTSC video at 480i, and we liked it, because we knew no better. Then some intrepid(and well off) home theater enthusiasts were lucky enough to enjoy 480p, thanks to the Faroudja LD-100 line doubler or Runco IDTV set ups. Because the Faroudja units cost $20,000.00 in the early 90 s, and only worked with data or graphics grade projectors, they were not exactly mass market. As technology improved, prices decreased, and more people could enjoy progressive scan video in their home theaters.

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Today’s multimedia video projectors represent a versatile, practical, and affordable tool that can serve different purposes both in the business as well as in the home entertainment arena.

The fall in price and the developments in video projection technology we have experienced during these last few years, have made the digital projector even more accessible to a larger group of home users.

Demand has increased to such an extent that manufactures are not only producing what are referred to as ‘cross-over’ models - i.e. projectors that can handle both PowerPoint presentations in the office as well as DVD movies at home, but they have also started to target the home entertainment domain by producing models specifically designed for home

theater use. …why?

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By any measure, HDTV (High Definition Television) is in its infancy. The primary technologies of Plasma, LCD and DLP, are still evolving, and exciting new developments are already on the horizon. At the last two CES (Consumer Electronic Shows) Toshiba and Canon, in a joint effort, touted a new way to approach the old CRT (Cathode Ray Tube). It is called SED, (Surface conduction Electron emitter Display) and it could revolutionize the High-Def world. In the same manner as the old CRT s we all knew, electrons are shot at phosphors on the screen, and then emit the proper reds, greens, or blues. The difference with SED is that each pixel has its own dedicated electron emitter and that

makes all the difference! This not only saves electrical energy, and increases the performance; it enables a very thin display as well as a large screen. Experts in the flat panel world formed long lines at the last CES in Las Vegas, to compare the Toshiba SED picture quality to other HD models.

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