this post was submitted on 11 Dec 2023
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Android

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[–] [email protected] 94 points 7 months ago (4 children)

I wish TCL would stop referring to it as electronic paper, it's a matte LCD with some desaturated modes for eye comfort.

for me, the major selling point of a true e-paper display is sunlight readability, if your "electronic paper" LCD cant match e-ink, then it's not good enough.

The main E-ink patents are due to expire in 2026, so we should see some rapid development after that.

[–] Carighan 26 points 7 months ago

the major selling point of a true e-paper display is sunlight readability

Yeah, the whole "It behaves like an actual paper page for all relevant purposes" is kinda important to an e-ink display.

[–] [email protected] 16 points 7 months ago (5 children)

I recently bought a Boox Palma, which is a phone-size Android device with a real E-Ink display.

It's not a phone (WiFi/Bluetooth only, no mobile radio), and with 4-bit greyscale it's definitely an adjustment to use with a lot of apps (it has per-app DPI & contrast controls to help), but they've done a lot of work on the refresh rate to make it feel responsive.

It even has midrange-phone specs (SD 6xx series CPU, 6GB RAM, 4Ah battery), with full Google Play, so it's a quite usable Android device overall. Like most modern E-Ink devices, has a CCT warm-to-cool frontlight, so great for night-time use.

Now would I want to use it as my only, everyday device (if it was a phone too)? Probably not. Could I? Almost certainly.

Colour E-Ink is still quite limited (in contrast, and resolution), but I expect the patents on that are quite a bit newer and we won't be seeing so much movement in that area so soon.

[–] [email protected] 3 points 7 months ago

I really wanted YotaPhone to succeed. Both a normal screen and a very very battery friendly e-ink for reading etc for hours...

[–] [email protected] 3 points 7 months ago

I love my Boox Note 3. It's am older device but still gets updates lots of tweaks for tuning the display on a per app basis, runs Google apps etc. I use it mainly as a reader for books and manga but also for drawing notes and browsing the Web.

[–] mlekar 2 points 7 months ago

Honestly if the Palma would have cellular radio it would check all my phone need boxes.

[–] [email protected] 1 points 7 months ago

Ooh, looks interesting. Though the size would be a disadvantage to meβ€”I can imagine some situations where using an ereader is acceptable where a phone would not be, and other people won't be able to tell them apart this way.

[–] afunkysongaday 1 points 7 months ago

Colour eink is still very limited, but can't they make eink (semi-)transparent? Just put eink above the usual LCD/oled and enable/disable them as needed?

[–] [email protected] 5 points 7 months ago (2 children)

Nevermind that, an approach like what Sharp and the old PDAs did with transflective displays would be pretty neat too. But I suspect what'll happen is that they'll be called out for not providing "rich colours and deep blacks".

[–] [email protected] 2 points 7 months ago

OLED over transflective, do you get all the bright colors but it can go transparent and use the sunlight readable and low power screen when that makes sense

[–] [email protected] 1 points 7 months ago

Transflexive displays can work, but they arent as easy on the eyes as e-paper and they have poor contrast in direct sunlight.

[–] [email protected] 2 points 7 months ago

For me the biggest selling point of e-ink is for reading late at night. Since it's not backlit it's better for sleep, I think? Easier on the eyes, anyways.