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The "cult following" Android phone starter pack(lemdro.id)

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SGH Fan@lemdro.id
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trafficnab@lemmy.ca
18 points

Wait, aren’t most phones OLED? Wouldn’t it be trivial to light up a few pixels in the corner of the screen when it’s off? Do phones not do this (I’m still running my S7 into the ground so I have a dedicated LED)?

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tehmics@lemmy.world
7 points
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OLED does see significant power benefits for black pixels but it’s no where close to lighting just a single LED

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DrM@feddit.de
22 points
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It’s not trivial. An LED only needs power to light up, an OLED Pixel always needs the GPU to be powered on and it would be a significant power loss to implement a pixel sadly

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fadingembers@lemmy.blahaj.zone
6 points

I mean there’s a ton of phones that have always on displays (AOD)

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trafficnab@lemmy.ca
18 points

The full Always On Display (which shows the clock + some notifications) uses less than 1% battery per hour on my ancient S7, are new phones not any better than that?

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WhoRoger@lemmy.world
6 points

It doesn’t if the screen is connected directly to the frame buffer which can refresh independently. Whether that’s actually implemented this way in hardware, well who knows, but I suspect it is as that’s useful to display any static image. Then just power up the display driver for a microsecond to refresh the image if needed.

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MooseBoys@lemmy.world
7 points

None of this is true. It may happen in practice on some poorly-designed devices, but the “GPU” in the SoC can remain powered off, and the display controller remain in low-power mode.

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soggy_kitty@sopuli.xyz
12 points

I have my always on display which gives me icons of the notifications in a predictable place on screen all the time.

My battery still lasts a full day so power concerns not an issue

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morrowind@lemmy.ml
3 points

yeah samsung has a feature for this in good look

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dashydash@lemmy.world
3 points

Which setting? I don’t think I see it

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morrowind@lemmy.ml
4 points

Huh, you’re right, I don’t see it anymore either. Could be they removed it, or maybe I’m just looking in the wrong place.

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