Local-Dimming-DisplayThe bigger the display of a smartphone, the more power it tends to draw. Many things affect a phone’s battery life although the display is a big part, not to mention leaving it at the maximum brightness will probably not do your battery any favors as well. However the good folks at Microsoft Research have been working on a way to help save battery life, which is by dimming the portion of your phone’s display in which your finger is covering.

When we use certain apps, our fingers might cover a portion of the display, such as when we’re scrolling through websites, Facebook’s News Feed, and so on. The idea behind Microsoft’s research, which has been dubbed FingerShadow, is that the portion that your finger is hovering over can be dimmed, which in turn they have estimated could end up saving 5.07%-22.32% of a smartphone’s battery.

According to Microsoft Research, “We have studied 10 users’ touch interaction behaviors and found that on average 11.14% of the screen were covered by fingers. For these 10 users, we estimate that FingerShadow can achieve 5.07%~22.32% power saving, averaging 12.96%, with negligible overhead.”

Of course it is unknown as to when Microsoft will actually be able to implement their findings and technology to future smartphones, but we have to admit that it is a pretty clever idea, but what say you? Do you think that this could be a legitimate method of saving battery life?

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