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News around the Web

HDR Display Reviewed

Bringing HDR Experience to the masses.

by Yaroslav Lyssenko

[ 10/06/2005 | 10:06 AM ]

High Dynamic Range lightning is one of the technologies that is going to become a standard feature in the near future. While there aren’t a lot of graphics cards capable of performing HDR calculations, there appears to be another hardware limitation – the lack of appropriate displays.

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Contemporary displays, both LCD and CRT, are unable to deliver true HDR experience. Modern monitors are all based on the architecture, which provides only Low Dynamic Range, thus preventing the graphics cards supporting HDR from showing their real best. BrightSide have built a new display based on latest technologies in order to provide true HDR experience.

“The BrightSide DR37-R EDR display theoretically has an infinite contrast ratio. How? Because it can turn individual LED backlights off completely (see How It Works), it has a black luminance of zero. When you divide any brightness value by this zero black value, you get infinity. Obviously, explaining that to Joe Public in your local Dixons or Best Buy is just going to confuse them, so BrightSide has reached a compromise: by using the next value up their scale from zero luminance as their denominator, they are able to claim an effective contrast ratio of a whopping 200,000:1. Stop for a minute to digest that number. The brightest point on the screen - 4,000 cd/mІ - is 200,000 times brighter than the darkest non-zero point, at less than 0.05 cd/mІ,” explains bit-tech.net .

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