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"We've said it before, and we'll say it again -- once a TV has been moved from the store shelf into your shopping cart, the ultra-bright \"torch mode\" has served its only good purpose. Sadly, however, a study presented at the Ergonomics Symposium on Flat Panel Displays turned up more than 80-percent of the LCDs in the mode favored by alpine skiing fans, and almost 80-percent had the ambient light sensors disabled. That's bad news for picture quality, but also bad for energy consumption -- the study found that four factors (viewing angle, viewer age, content luminance and ambient lighting) can be used to determine an ergonomically correct display luminance, and we'd go out on a limb to say that the \"dynamic\" mode disregards what's \"correct.\" Savings by dialing back the display can save energy by a not-too-shabby 20-30-percent. Statisticians can throw stones at the sample of 83 homes, but based on how many times we've found supernova whites and neon greens while visiting homes, it sounds about right."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2009/03/17/dialing-back-display-brightness-is-good-for-picture-quality-and/?ncid=rss_semi>