Locally dimmed backlight is as big a scam as the currently varying backlights on LCDs (like mine) used to give sky-high contrast ratios, as are the ridiculous contrast ratios (infinite!) for plasma.
None of these contrast ratios (including the plasma) are achievable except under rigged test conditions. And locally dimmed backlight will just add to it. If you have a specific pattern, you'll have higher measured contrast, but it is unlikely to produce a better picture under real-world conditions.
While its tablet world topping pixel density, Tegra 2 silicon, and fresh to death OS certainly sound awesome, we had to get our grubby mitts on one to see if it's as good as its spec sheet would have us believe.
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Locally dimmed backlight is as big a scam as the currently varying backlights on LCDs (like mine) used to give sky-high contrast ratios, as are the ridiculous contrast ratios (infinite!) for plasma.
None of these contrast ratios (including the plasma) are achievable except under rigged test conditions. And locally dimmed backlight will just add to it. If you have a specific pattern, you'll have higher measured contrast, but it is unlikely to produce a better picture under real-world conditions.