Usable Smartphones?

moonpie

.........

simplex

moto g55 not good (same as g54 and g75). Not mine feedback, but from sensitive users.

Perhabs, android 14 "dithering" ?

moonpie

...........

Tmp-911

google pixel 5

sony xperia 1 V

JOSEUISLEY

Report on Poco x4 gt. I bought a Poco x4 gt to see if it is good for my situation of eye pain and eye fatigue etc, all problems caused by ledstrain. And well, after some configurations the result was that I got a 70% improvement in eye fatigue, it's not perfect, but I can use it for 10 minutes, 10 minutes in which I do everything I need to with a smartphone.

The next step is to save money to buy a Xiaomi 14 to see if it solves my problem.
I don't know if my report is useful, but if it helps someone...

jordan

JOSEUISLEY someone on the tg group said the xiaomi 14 dithers on every color mode under a microscope. Oppo X8 does too. OnePlus 13 I think does not. Btw if anyone is curious all flagship Xperia phones use a 8+2 frc panel. One of the newer motos I think it was the 50 ultra but supposedly does not dither on vibrant color mode but does on all of the others which is weird

moonpie

..................

JOSEUISLEY

jordan Really, whoever can try it and return it so as not to lose money. I believe that in our situation everything is valid. But the Xioami 14 I'm curious to try.

carguy0625

Great info, I have a moto 5g stylus but have looked at trying to use a boox palma for most things

Zen242

The worst ones with out a doubt are the Samsung Galaxy S21 and S22 Avoid at all costs the best for me and several of my friends are the Redmi Note 8 and Note 10s.

qb74

Does anyone here have a spectrometer or spectrophotometer to test out what color gamut modern LCD smartphones employ nowadays? In particular, in form of a spectral power distribution graph.
I'm curious whether the anecdotes of KSF/PFS & QD backlight causing eyestrain from desktop displays transfer over to LCD smartphones.

https://www.anandtech.com/show/10217/the-lg-g5-review/4
From this article, it seems that the LG G3 was the last LG phone with a old YAG phosphor W-LED backlight.
KSF/PFS panels became mainstream from 2014 onwards, I assume most LCD panels are WCG (wide color gamut) nowadays.

I think this might be a far bigger culprit than the witchhunting for dithering (FRC) implementations.

jordan

qb74 I definitely think the phosphors are part of it. I think the light emitted is far from natural and that the colors are way to intense. Most devices are using pfs/ksf if they can display wide color gamut.

jordan

LCD 7i pro laptop

Asus gl702vm LCD laptop

Daylight dc1 tablet rlcd / tlcd

13t xiaomi amoled

Dell up2715k LCD which is the same panel as the older 5k iMac. I believe this panel uses the gb-r led backlight

qb74

jordan
This is great, interesting to see the SPD of a AMOLED display, thank you for sharing.
It reminds me of the graph of QD-OLED desktop displays.
I'd love to see a few smartphone SPD's collected in a spreadsheet, so we can start recommending different technologies to different potential eye strain concerns.

Other ones I could find:
https://www.anandtech.com/show/11269/display-report-huawei-p10-and-p10-plus
https://www.anandtech.com/show/10871/the-huawei-mate-9-review/4
https://www.anandtech.com/show/10217/the-lg-g5-review/4
https://laptopmedia.com/analysis/samsung-galaxy-s6-review-a-bunch-of-innovations-in-a-beautiful-body/#p4 (can judge based on AdobeRGB coverage)
https://laptopmedia.com/review/samsung-galaxy-tab-s7-review-120hz-ips-display-paired-with-the-extremely-capable-snapdragon-865/#p4
https://laptopmedia.com/analysis/samsung-galaxy-s6-edge-review-is-this-the-most-innovative-smartphone-in-the-world/#p3

Collecting this data, along with measuring G2G response times would be great for troubleshooting eye strain concerns.

ocean10

jordan

What is this tool you are using? Have you found it helpful to find useable devices?

GregAtkinson

JTL FWIW, I've found the posts from @Vividblu99 (and some others) to be very helpful. He generally lists the phones that he's tried and how well they've worked for him.

If we did start a new thread, maybe we could enforce a format something like:

iphone SE: gave me headaches within 30 seconds of using it.
iphone 15: usable for 10 minutes
...

This wouldn't be perfect. For instance, the same model doesn't always have identical hardware or software. And what works for one person might not work for another. But I think I would find it much more useful than the last year's worth of the current thread.

jordan

ocean10 This is the Mk350n premium by uprtek. Its helpful to test devices/bulbs for flicker and color spectrum but so far all devices just seem so bad for me. I actually have to view the meters screen through a phones camera because the lcd on it bugs my brain.

GregAtkinson

jordan I actually have to view the meters screen through a phones camera because the lcd on it bugs my brain.

I have to do the same thing when I need to do something on my son's phone. It's a pretty useful trick.

jordan

GregAtkinson it sure is! thats how I have to look at my moms phone if she shows me something. lol (iphone se 2020)

cofisc

after years of trying devices without luck i got a honor 70 lite (as recommended by forum members) and it worked for me ,i recommend this phone for very sensitive people because it has no pwm and no dithering , the screen is a basic tft panel

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