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mokon
Fanfold Paper
Posts: 7
Registered: ‎03-17-2017
Location: PL
Views: 1,524
Message 1 of 8

Thinkpad T570 display panel manufacturer

Hi,

 

I would like to order Lenovo Thinkpad T570.

Model 20HAL81Y12  ( i5, GeForce, 512 SSD, 16 GB RAM, Display FHD Non-Touch)

 

Anybody could check or werify what panel manufacturer lenovo use in this model ?

 

2 months ago I bought T470s with panel produced by LG

 

Display ID is: LEN40A9

Manufacturer: LP140WF6-SPB6

 

I had to sell it as display cause eye strain and headache (https://forums.lenovo.com/t5/ThinkPad-T400-T500-and-newer-T/T470s-IPS-eye-strain/td-p/3609102)

 

I've seen Thinkpad T460 with Innolux , and it seems much better.

 

Anybody could help ?

 

I've checked here but manufacturer is not listed:

 

https://download.lenovo.com/parts/ThinkPad/t570_20h9_20ha_frubom_20170428.pdf

 

Regards,
Michal

 

 

 

pjc123
802.11n
Posts: 191
Registered: ‎07-31-2013
Location: US
Views: 1,477
Message 2 of 8

Re: Thinkpad T570 display panel manufacturer

Here we go again.  I returned a T440s laptop a long time ago that gave me brutal headaches.  I believe it was an LG screen. It was the high resolution screen, but it had a sparkly sheen to it and a giant reflective blob.  The AUO screen was the better one at the time.  I did some reading this week and see that it is like a screen lottery for the T470 series as to the quality and manufacturer of the screen that you might get.  It would be really sad if this issue hasn't been resolved in all that time.  I have a T470 coming next week (It actually left the factory yesterday, so that is a real date), so giving it another try and hoping the the 1080p screen doesn't have that issue and/or I get it from a decent manufacturer without any issues.  

Guru
Posts: 9,598
Registered: ‎12-26-2009
Location: CA
Views: 1,472
Message 3 of 8

Re: Thinkpad T570 display panel manufacturer

You should see if you are sensitive to PWM flicker on these LED backlit displays. Some people are highly sensitive, and Lenovo has historically used a very low frequency of ~220Hz for their PWM duty cycles.

NotebookCheck reviews have recently started testing the displays for PWM, so you can check into the corresponding review for the T470/T460.

There's also a hidden Intel driver setting that was discovered for Sandy Bridge and earlier Ivy Bridge driver versions that allowed you to adjust PWM frequency in software. I have my W520 screen upped to ~14000 Hz from the default ~220 Hz.

W520: 2960XM, Q2000M @ 1091/1380, 32GB RAM, 500GB&750GB HDD & 500GB SSD, FHD&MB168B+
X61T: L7500, 4GB RAM, 500GB HDD, XGA screen, Ultrabase
W550s: 5600U, K620M at 1164/1281, 16GB RAM, 512GB SSD, 3K touchscreen
X200s: SL9400, 6GB RAM, 64GB SD card, WXGA+ screen
TPT1: 1839-23U
mokon
Fanfold Paper
Posts: 7
Registered: ‎03-17-2017
Location: PL
Views: 1,385
Message 4 of 8

Re: Thinkpad T570 display panel manufacturer

I've recived T570 with LG screen  3 days ago. Next Lenovo notebook after I get rid T470s off. The same symptomps.

I don't know what cause these eye strain and headache but I doubt it's flickering. I still use T520 which has flickering for sure,can see that by phone camera. None symptomps on T520.  I am writing from this crappy t570 notebook through privacy filter. It help much , but not sure if enough. Lenovo quality has finished with T530 series. All next models like T440/T540 ( completly useless touchpad) or IPS screen are much much worse. Even quality of case is much worse comparing to T530. I will try to use this notebook with external monitor and privacy filter but  this is 4th Lenovo notebook and I think it will be last. Screen is just terrible, colors, eye strain, headache. Much worse keyboard with numpad which cause that left hand lies on the case edge. It doesn't make sens at all. It's definetly time for Dell.

lppedd
Paper Tape
Posts: 4
Registered: ‎07-08-2017
Location: IT
Views: 1,260
Message 5 of 8

Re: Thinkpad T570 display panel manufacturer

Are you guys talking about the 1920 x 1080 display? Seems strange! Notebooktech reviewed it and said nothing about that.

pjc123
802.11n
Posts: 191
Registered: ‎07-31-2013
Location: US
Views: 1,258
Message 6 of 8

Re: Thinkpad T570 display panel manufacturer

I was talking about an older model as I indicated, so don't know if it improved with the newer models, so I ordered my T470 with 1080p instead just to be on the safe side.  Mediocre screen, but at least I don't get headaches.

lppedd
Paper Tape
Posts: 4
Registered: ‎07-08-2017
Location: IT
Views: 1,250
Message 7 of 8

Re: Thinkpad T570 display panel manufacturer

Let us know when it arrives! Thanks Smiley Wink
pjc123
802.11n
Posts: 191
Registered: ‎07-31-2013
Location: US
Views: 1,248
Message 8 of 8

Re: Thinkpad T570 display panel manufacturer

My fault, I wasn't clear...it arrived a few weeks ago.

 

 

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