• Redjard@lemmy.dbzer0.com
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    1 year ago

    Most lcds take a tiny bit of current to darken a pixel I think. The ground state would be white and power is used to get the lcd in the state where it changes the lights polarization to get it blocked by the polarization filter in front of it

    • SJ0@lemmy.fbxl.net
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      1 year ago

      I assume that would depend on the polarization of the screen. I wonder which is more common?

      • Redjard@lemmy.dbzer0.com
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        1 year ago

        Yes, I think it’s this way around because precision is higher at higher power, so the minor deviations close to no voltage applied are hidden in minute white variations, while near blacks are way more precise. But don’t quote me on that