A little bit of good news for the 14.1 SXGA+ T42/T42P

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Daniel · #1 Post by **Daniel** » Wed Jun 09, 2004 12:05 am

Apparently Samsung improved their 14" SXGA+ display. Since IDTech doesn't list anymore 14.1 SXGA+ displays on their website, it seems as though they're sourcing their displays from Samsung.

First: older specs
http://www.samsung.com/Products/Semicon ... N141P4.htm

Second: newer specs (notice how there are some displays that aren't on the website)
http://www.samsung.com/Products/Semicon ... 200403.pdf

Differences: old vs new

Response time: 30 vs 25
Contrast ratio: 250:1 vs 300:1

scot · #2 Post by **scot** » Wed Jun 09, 2004 1:39 am

And this truly is what will come with my new T42?

Good news!

Daniel · #3 Post by **Daniel** » Wed Jun 09, 2004 3:27 am

scot wrote:And this truly is what will come with my new T42?

Good news!

I hope so.

Leon · #4 Post by **Leon** » Wed Jun 09, 2004 6:14 am

without having them side-by-side, how can one tell which they have?

#5 Post by **K. Eng** » Wed Jun 09, 2004 7:41 am

I'm just glad the max brightness is 175 cd/m2 (up from 150 cd/m2 on the IDTECH panels).

jaholbro · #6 Post by **jaholbro** » Wed Jun 09, 2004 8:11 am

I just ordered a t41p, does this mean I'll get the old screen??

Matt · #7 Post by **Matt** » Wed Jun 09, 2004 3:11 pm

So, how can we find out if these new LTN141P4 panels are what's going in the T42? I sure hope this doesn't turn out to be a case of early-adopters getting inferior product....

Mofongo · #8 Post by **Mofongo** » Wed Jun 09, 2004 3:53 pm

ID-Tech stopped shipping their 14.1" screens as of March 31...probably this means that new T41s and T42s are Samsung, but there is no way to tell for sure without opening up the LCD housing, which I would not recommend.

I doubt the specs on the Samsung LTN141P4 has never changed. The difference you see between the website and the .pdf brochure is just inaccuracy. There is no standard way to measure brightness (and hence contrast ratio) or response time, so depending on which way they choose to make up the numbers, they quote slightly different specs. Clearly, they try to push the specs to the high end for their sales brochures. The specs also change depending on exactly which screen one puts in front of the panel. Screens that reduce glare also reduce brightness.

Mofongo

JaimitoBond · #9 Post by **JaimitoBond** » Wed Jun 09, 2004 9:13 pm

Mofongo wrote:ID-Tech stopped shipping their 14.1" screens as of March 31...probably this means that new T41s and T42s are Samsung, but there is no way to tell for sure without opening up the LCD housing, which I would not recommend.

I doubt the specs on the Samsung LTN141P4 has never changed. The difference you see between the website and the .pdf brochure is just inaccuracy. There is no standard way to measure brightness (and hence contrast ratio) or response time, so depending on which way they choose to make up the numbers, they quote slightly different specs. Clearly, they try to push the specs to the high end for their sales brochures. The specs also change depending on exactly which screen one puts in front of the panel. Screens that reduce glare also reduce brightness.

Mofongo

If it is just typo, than I'm inclined to say the brighter one is correct. Although I have no way of verifying that my LCD is a Samsung and not ID tech, I find my LCD very bright, sometimes too bright for my eyes.
Since some other T41p owners have reported here that their LCD is too dim, I suspect those are the ID Tech or older spec Samsungs in the past. But you may be right in that different Co. measure things differently. However, you would expect that the products from the same company should be comparable right?

Mofongo · #10 Post by **Mofongo** » Thu Jun 10, 2004 1:15 am

I would bet that the difference is that yours is a Samsung and the others are ID-Tech. IBM just stopped using the ID-Tech screens a few months ago. Samsung makes some realy nice LCDs, so I would not be surprised if they are noticably better than the older ID-tech ones...especially since they are marketing that model under their "Wise-view" campaign.

I have only ever seen a T40 in person (before my T42) and those have all looked somewhat low contrast and washed out, but they are definitely the older ID-Tech models.

Mofongo

jaholbro · #11 Post by **jaholbro** » Thu Jun 10, 2004 11:02 am

I was under the impression that the t41P with the sxga+ is the samsung and the t41, xga, is the other brand....maybee thats how its always been, now they are just all using samsung?

Mofongo · #12 Post by **Mofongo** » Thu Jun 10, 2004 3:48 pm

No...if you look at the HMM, there are both ID-Tech and Samsung LCDs for SXGA+. IBM started using Samsungs when the ID-Tech screens went out of production on March 31 (or possibly a little before then). How long it takes from LCD production line to T4x assembly line, who knows. For the T42, I would guess you are pretty much guarenteed a Samsung for the 14.1" SXGA+. For the T41s, I do not know how IBM decided which got ID-Tech and which got Samsung. It could have just been assembly date, or they could have used the Samsungs preferentially on the higher end models.

Mofongo

smitty · #13 Post by **smitty** » Thu Jun 10, 2004 4:26 pm

Is IBM still using ID-Tech for their 15" SXGA+ and UXGA on the T42 or are they using Samsung now? From what people on this forum have said and others, Samsung is superior.

TomKroscavage · #14 Post by **TomKroscavage** » Sun Oct 12, 2008 4:58 pm

What cable do I need to convert my T42 XGA to the LTN141P4 SXGA+ screen?

#15 Post by **schen** » Sun Oct 12, 2008 10:11 pm

Spirit-1776 wrote:What cable do I need to convert my T42 XGA to the LTN141P4 SXGA+ screen?

91P6787 is the cable you are looking for. Best case scenario is to do what I did when I converted my T41: I bought a complete T42p screen assembly which worked out great, especially since it already had the Bluetooth antenna so it allowed me to add BT very easily.

A little bit of good news for the 14.1 SXGA+ T42/T42P

A little bit of good news for the 14.1 SXGA+ T42/T42P

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