Partial screen dimming reduces power consumption
Posted on March 14, 2005
Tom’s Hardware writes about a new development in selectively dimming screens on portable devices to save on battery life:
Ranganathan and his colleagues develop a method of lighting up only the portion of the screen that’s being used – only the lines of text being read, for example. The display changes as the user scrolls up or down the page. The researchers conducted usability tests and found that people were neither using all of the properties of the display nor the full color spectrum or the full screen resolution. Dimming parts of the screen could mean decreasing the usability of a mobile device but Ranganathan said that 95 percent of users surveyed preferred the new interface, even without the energy-saving advantages.
Sounds interesting, but how is this implemented? I would think you would need some sort of gaze tracking to do this right.
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