My first thinkpad was a second hand x220 that I got during my visit to Japan. Back home I got a LP125WH2-SLB3 IPS panel, I have contacted the vendor before to make sure he sends me a tested unit with no dead pixels. Panel mounted, overall okay, but it has image retention and a tiny but visible white spot...
I have used it for quite long time, until I dropped my x220 and panel got damaged. I decided to get what seems to be the best option, the LP125WH2-SLT1. Contacted the buyer, he offered me a LP125WH2-SLT2 saying that they have in stock units with left/right mounting holes and it is a better quality than the LP125WH2-SLT1. Panel received, mounted on my x220, high pitch "whining" noise and panel occasionally flickers... Unusable. Contacted the seller, he sent another unit, horrible one I would say, it works, but image retention will make you blind. Colors are terrible too. Way inferior than the previous one, although they have the same LP125WH2-SLT2 sticker
Finally I got a LP125WH2-SLT1 from win0win ebay reseller. 3 dead pixels, big white spot, terrible matte finish, low frequency PWM that gave me headache after 5 minutes. Garbage...
This is a laptop my university got for me. Unboxed, bum, two dead pixels, not enough to ask Lenovo for replacement. After 6 month of rare use (I mostly use my x230), screen developed white spots everywhere, yay I could ask Lenovo for a replacement, technician came to me and replaced my screen, terrible colors (I think it is the one used in the T470), two greenish pixels (not totally dead).
Not the same tragic story as the x220/x230. I would say this is to be expected since the T60 screens are quite old. The T60 that I got to make a Frankenpad had white and blue spots. Got a LQ150U1LH22, had lots of dead pixels, and white spots. I got a idtech IAUX14P, which is okay in all aspects, no dead pixels, nice colors, no white spots, but the screen is ticker and heavier than the stock one, but I didn't care much, as I use my frankendpad mostly like a desktop. Unfortunately the screen got dimmer quite quickly (it is quite old). I have successfully done the LED mod, but the screen showed a very annoying strips pattern coming from the leds. Decided to get a "modern" CCFL tube to install it back and to get rid of the leds, but I broke the screen in the process
Now my x230 is my daily driver, I'll put back the TN B125XW01 display as I really don't want to throw more money on crappy IPS panels that are found everywhere.
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Basically if you want a decent display you have to pick different brand than Lenovo
I'm coming to this conclusion as well. My wife uses a mac book air 2013 that has a TN panel, but it is a wonderful bright colorful TN panel, better than any carppy IPS screen I've seen on the > T440 series... Of course the keyboard is what makes the difference for me, the mac's and other brand's keyboard are not usable to my taste.
I have had IPS panels on my:
- T42 - LG SXGA+ IPS replaced due to white spot 2.5 years into the warranty; new screen had no issues. Eventually developed normal brightness loss / yellowing typical for LG panels of that time. Laptop was heavily used for some time after that by sister who frequently squashed it in her bag; developed multiple white spots and pressure marks, but at that point system was 8+ years old, nobody cared.
- T60 - LG SXGA+ IPS - also replaced due to white spot at some point during the warranty; also eventually lost brightness and yellowed, but no other issues (laptop was mostly used at the desk)
- X220 - LG HD IPS - replaced towards the end of the warranty due to white spot + excessive image retention. Eventually got an -SLB3, which is rather issue free. Laptop is not used as much as before, so far no issues have re-developed. Full story here and here.
- T430s - with the FHD IPS AU Optronics B140HAN01.2 mod - the youngest laptop in the bunch, had it for a little under a year; so far no issues observed.
When you mention "image retention" - do you refer to the static kind (image gets "burned in" and leaves an after-shadow for a few minutes, even after picture changes) or the dynamic kind (what is referred to as 'ghosting', when fast moving images leave a blurry trail). The former is the problem which is very noticeable on early X220/X230 IPS panels (-SLB1 and to a lesser extent -SLB3).
Collectibles: T430s (IPS FHD + Classic Keyboard), X32 (IPS Screen)
Retired: X61 7673-V2V, T60 1952-F76, A31p w/ Ultrabay Numpad
The former, image leaves after-shadow for few minutes.dr_st wrote: ↑Wed Oct 18, 2017 5:47 amWhen you mention "image retention" - do you refer to the static kind (image gets "burned in" and leaves an after-shadow for a few minutes, even after picture changes) or the dynamic kind (what is referred to as 'ghosting', when fast moving images leave a blurry trail). The former is the problem which is very noticeable on early X220/X230 IPS panels (-SLB1 and to a lesser extent -SLB3).
Looking at the Dell Parts Inventory for the screen... no surprise that the screen was actually manufactured by IBM...7E889
Subassembly, Liquid Crystal Display, TFT, Ultra Extended Graphics Array, IBM, Malaysia Direct Ship
Think it was the same panel as in the A21p...
2017: T450 i5-5300U/12/256/FHD/72Wh
2007-2014: T520/i7-2760QM/8GB/320GB, WSXGA+, X200s, T500, A31p, A30p, T42p, X60s, X32, X31
Gone but not forgotten 1998-2006: 2006 T43p 2668-H2G (2GB/60), T22 2648-8EG (128/20) 2005 X40, X31 2004 T30 SXGA+, 600X, 2003 770 P233+DVD Card, 760XD 1998 760XL+104MB
If you want it you're going to bleed, but that is the price to pay
And you're a very rare mobo, very hard to get
You can see the blinky lights, but you won't get them for free.
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