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A hybrid display, both e-ink, and either an OLED layer or an LCD layer sandwiched inside, seems like it could be done. It would be perfect for a tablet or phon
by retrac 6y ago
A hybrid display, both e-ink, and either an OLED layer or an LCD layer sandwiched inside, seems like it could be done. It would be perfect for a tablet or phone format device. Active lit display when necessary, passive reflective display otherwise. It would be very expensive, but is probably already technically feasible today. I do hope something like that comes to the market affordably eventually.
- vinay427 6y agoA transflective LCD already does both of these to a very large degree. They're used by many watch manufacturers that prioritize outdoor use (e.g. Garmin) and/or battery life (e.g. Pebble, now defunct). I've owned two devices with them so far, and quite frankly the newer one works just as well (if not better) than E-Ink outdoors but still has a backlight when necessary. Also, it can display color and smooth motion. The minor downside I see is the lack of an ability to display an image with zero battery consumption, such as on E-Ink, but the consumption is still so low that the transflective LCD watches can last weeks with an always-on display.