Saves your battery. Easy on eyes. Dark theme is just nicer, what am I missing?

  • DogMuffins@discuss.tchncs.de
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    1 year ago

    The battery thing is not true most of the time and the rest is subjective.

    What’s to say either dark or light is better in all cases all of the time?

      • BeezKnuts@lemmy.world
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        1 year ago

        Kind of. An LCD display has one backlight which illuminates the entire screen with one brightness. So a black screen and a white screen will use the same amount of electricity if both screens are set to the same brightness, even though to us a white screen looks brighter. Using a dark theme won’t save any electricity, but it won’t use any more either.

        Other display types use self illuminating pixels. Like OLEDs and plasma screens. So a screen which is mostly black uses a lot less electricity than a screen which is mostly any other color but black. Using a dark theme would use substantially less electricity.

        Even a CRT would use less electricity if you switch to dark theme while still using one, because the cathode ray wouldn’t have to light up the black pixels.

        • Tibert@compuverse.uk
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          1 year ago

          Not entirely true for LCD. Some LCD displays have zones. And each zone with it’s back-light.

          If a zone is completely dark (not grey or without even a single white pixel), the back-light will shut off.

          However on phones, it is mostly a single zone.

          • BeezKnuts@lemmy.world
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            1 year ago

            Yeah that’s true. I’m glad that a big portion of all phones being released right now have oled screens, but it makes me miss the high quality ips LCD displays we used to get. Now you have the choice of a really sub par LCD, or an OLED/Super AMOLED display. I looked at the screen on my 2013 Nexus 7 and my Nvidia Shield K1 the other day and they hold up so so so well. It’s a shame I can’t just upgrade the internals. I’d kill for a Shield X1 or whatever chip will be going into the next switch.

      • DogMuffins@discuss.tchncs.de
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        1 year ago

        My (possibly mistaken) understanding is that the vast majority of phones are AMOLED which does not have per pixel illumination. AMOLED is still considered superior because of physical thinness, efficiency, refresh rate, et cetera.