List of devices w or w/o LED screen PWM

[Eat Up]

Basically for anyone looking to buy a mobile device listed on this site.  They may come with or without LCD screens that exhibit PWM (pulse-width modulation).

What PWM does is give out full blasts of 100% brightness at regular intervals to trick your eyes into thinking the screen is dimmer than it appears.  It means the LCD screen can’t actually dim the display and must resort to such b4stardly tricks, which really put strain on the eyes.

So, plz contribute here devices known to have or have not PWM for their display.

(Personally, I’d avoid PWM until a better technology gets massed produced, like AMOLED display.)

[Eat Up]

Model:  Cube iWork8 Air

Type:  8″ Cherry Trail tablet

Display:  PWM LCD confirmed (avoid at all cost)

 

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Model:  Teclast Tbook 10 S

Type:  10.1″ Cherry Trail tablet

Display:  NO PWM (hurray!!!!)

Note:  I don’t actually own this device, but presence/absence of PWM in the LCD was tested here (scroll down to the “Display” section):

https://www.notebookcheck.net/Teclast-Tbook-10s-x5-Z8350-FHD-Convertible-Review.208580.0.html

[Eat Up]

BTW, for anyone with a device with PWM display, what you can do is buy a sheet of self-adhesive 5% VLT tint.  Apply the tint over the screen, then increase the brightness to 100%.  Sure, the battery will drain faster, but sure beats having to look at a 100% bright screen every other millisecond while you’ve set the dimness to 25%…

[Eat Up]

HOW TO TEST A DEVICE FOR PWM:

Wave a pen or your hand over the screen at 25% or less brightness. If the resulting motion blur looks smooth, NO PWM.

But if the motion blur looks like multiple repeating pattern, the LCD uses PWM to dim the screen.

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