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Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
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- Posts: 9
- Joined: Mon Jan 07, 2019 12:42 pm
- Location: Great Neck, Nassau County, NY
Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
Hi. I just did an LED backlight swap on my X61s. Sooo much brighter and whiter. But I do get a ripple pattern on the bottom of the screen from the individual LEDs (as opposed to the original tube). Any techniques to mitigate that ripple pattern?
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- Junior Member
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Re: Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
Yeah, you can / should insert a diffuser strip above the LEDs.
You mean you're seeing this, right?
If you're using Monty's daylight kit they're included, otherwise you can use a similar material.
Read here, specifically under Shims and the differences between the Original and Daylight kits.
Good luck,
R
You mean you're seeing this, right?
If you're using Monty's daylight kit they're included, otherwise you can use a similar material.
Read here, specifically under Shims and the differences between the Original and Daylight kits.
Good luck,
R
Re: Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
What I see is more broad ripples. It's not concentrated at the bottom:
https://i.imgur.com/b1NWKBW.jpg
Is that normal? Did I put it in too tightly?
It's not an SXGA screen.
https://i.imgur.com/b1NWKBW.jpg
Is that normal? Did I put it in too tightly?
It's not an SXGA screen.
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- Junior Member
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- Location: San Francisco Bay Area
Re: Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
Those look more like pressure spots, but someone with more experience in the display area should confirm that.
R
R
Re: Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
Hm, they only really became noticeable after the LED mod, but I can't be certain.
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- Senior ThinkPadder
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Re: Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
Wouldn't surprise me if the LED "chips" are causing the pressure...hence appearing as the backlight is causing the ripple.
Thinkpad4by3's Law of the Universe.
The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.
The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.
Re: Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
Is there any way to fix that? I'm thinking of putting in an accordion shim to see if that will help, or maybe just try to put them in even looser. Unless that's permanent damage.
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- Senior ThinkPadder
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- Joined: Sun Aug 09, 2015 9:25 am
- Location: N. Bellmore, ny
Re: Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
I'm 99% sure that's not permanent damage.
Thinkpad4by3's Law of the Universe.
The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.
The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.
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- Freshman Member
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Re: Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
Same issue with my X61 Samsung. Haven't bothered to try and fix it yet.
Your local Pony.
My Collection: X60, T60, X61, X200, X200s, X220i, T420, X130e, X330, X240, XPS 9350
Sold:E6320, X1C1
My Collection: X60, T60, X61, X200, X200s, X220i, T420, X130e, X330, X240, XPS 9350
Sold:E6320, X1C1
Re: Any way to mitigate ripple pattern when swapping LCD backlight strip to LED ?
It's good to know someone else has this issue as well. Do you know of any known ways to fix this? Otherwise I'm just going to try to make an accordion shim and see if that fixes it.
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