OT: e-Readers

Jan 18, 2024 Last reply: 2 years ago 60 Replies

I did a simple test. I moved the mouse across the screen. Fast

It left about 6 cursors imprints before the LCDs finally faded out, So te LCD does not decay after the picture changes. It stays where it was too long to 'flicter'

Only flicker I aver had on LCDs was a monitor with a failing power supply putting mains ripple on the backlight.

I bought a Kindle paperwhite recently then Amazon had a very good deal on them. Your approach is the one I try to use.

I haven't even got an Amazon account linked to is; but that means that I keep getting annoying 'login to amazon' prompts. Any idea if it is possible to stop that?

Also, my Kindle seems to barf on some PDFs I download to it via Calibre. The book just returns to the library screen a few pages in. I would like to know how to fix that, but haven't pursued the issue...

J^n

I did.

No flicker on any of my screens here

Most Kindle e-readers now have built-in reading lights, which work very well in darkened hospital wards.

Whether or not you can see the flicker depends on many things but it does flicker.

LCDs, yes. E-readers with e-paper do not refresh.

Ah, so its not science, its faith.

But LCDS are so slow that they haven't 'sagged' when they get refreshed, So there is (virtually) no flicker.

Compared with things like an LED brake light which strobes like s*it I don't see any thing when I move my head sharply

>

It's not often I agree with TNP but I do in this case.

An LCD display with a static, non moving picture, may be refreshed but a actual pixel will remain unchanged before, during and after a refresh.

If the backlight did flicker, this would create visual artefacts where motion is refreshed at say 60, 30 or 24Hz with a 50 or 100Hz backlight.

In practice, the backlight is steady. If there is a flicker it will be well above any refresh rate. Indeed there are some advantages in driving LEDs and other backlights in a HF PWM style. Either way the eye won't see any flicker, nor will there be any artefacts with LCD refresh (rate).

Absoloutely!

Sadly I'm up against somebody who doesn't understand but on the basis I don't give a monkey's what he thinks I'll let it go.

e-paper?

I once saw a very funny German comedy sketch.

Father comes home and shows his chidren how to read e-books instead of paper ones.

Goes in to kitchen and shows his wife the best recipes are on line.

Goes into toilet - lack of paper - Calls out - his iPad is slid under the door.

Brian Gaff snipped-for-privacy@gmail.com wrote

But there is no subscription involved with a kindle if you don't want one.

Thanks everyone - just ordered a Kobo Libra 2, arriving tomorrow.

I know how e-ink works.

You dont seem to know how LCDs work. Especially that refresh!=flicker IF YOU SEND THE SAME DATA.

I cant seem to make you understand that.

*shrug*.

Hey! I'm charging my Kindle Paperwhite right now. I last charged it... Can't remember, but it was probably around Christmas. (I use it for multiple hours each day)

Do you have WiFi enabled? If so switch it off.

You can buy Kindles with two options: (cheaper) "Get adverts from Us" format or (Ten quid more) "Advert free" format. If you bought the cheap version it will probably keep on nagging since it needs to access home in order to feed you all those lovely adverts. I paid the extra ten quid. You can change to ad-free at any time by paying up.

Can't help with this. I hardly ever use PDFs on the Paperwhite.

Wifi is disabled

It's an ad-free Kindle - it's actually a Child-oriented one. The offer got me an ad-free Kindle Paperwhite (8GB IIRC), a nice case with a unicorn on it, and many free children's books on the kindle store.

Fair enough. I probably should try a different format.

Kindle format does work a lot better on a kindle.

I suppose this is where the differences between a TV LCD panel and a phone/tablet LCD panel come into play, if you look at slowmoguys videos, they're "filmed" LCDs at about a zillion frame/second, showing how deliberate black frames are inserted, but that's TVs and apart from top of the line 240Hz gaming phones, probably normal phones don't do that ...

if Amazon delete a book from your Kindle for whatever reason theu issue a refund

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