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RGB-LED backlit IPS monitors?

post #1 of 8
Thread Starter 
The recent Anandtech review of the Apple 27" LED LCD display mentioned the use of RGB backlighting as a much better alternative to whatever Apple used to maintain the color gamut, and I was wondering, is there a list of RGB-LED backlit IPS monitors?

The only such monitor I've found is the LG W2420R, but I can't find it for sale anywhere.
post #2 of 8
There are only 2 others to my knowledge, both Hazro units: HZ24WLED (aka HZ24Wd), which is H-IPS, and HZ24WBR1 (aka HZ24Wc), which is P-IPS. For some reason Hazro's website ONLY now shows off their 30" monitor so don't bother looking there for info.
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post #3 of 8
Quote:
Originally Posted by XMAGUSX View Post
The recent Anandtech review of the Apple 27" LED LCD display mentioned the use of RGB backlighting as a much better alternative to whatever Apple used to maintain the color gamut, and I was wondering, is there a list of RGB-LED backlit IPS monitors?

The only such monitor I've found is the LG W2420R, but I can't find it for sale anywhere.
dont bother 1800$ ROFL
1100 pounds XD

i've found it on UK but dont bother if its already in the 1.0K-1.1K price range..(Pounds)
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post #4 of 8
RGB LED backlighting on IPS panels is rarely used yet because of issues with LED's life expectancy being dependent on the color it produces. Thus eventually over time as one color looses efficiency over time, it will begin to give color reproduction problems since you need an even amount of RGB to get white, one failing=you get color tints..
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by Chunky_Chimp View Post
There are only 2 others to my knowledge, both Hazro units: HZ24WLED (aka HZ24Wd), which is H-IPS, and HZ24WBR1 (aka HZ24Wc), which is P-IPS. For some reason Hazro's website ONLY now shows off their 30" monitor so don't bother looking there for info.
P-IPS is pretty much the best quality you can get, right? If so, where can I find said Hazro monitor to buy, preferably in the US? Or any P-IPS monitor for that matter?

Quote:
Originally Posted by AsAnAtheist View Post
RGB LED backlighting on IPS panels is rarely used yet because of issues with LED's life expectancy being dependent on the color it produces. Thus eventually over time as one color looses efficiency over time, it will begin to give color reproduction problems since you need an even amount of RGB to get white, one failing=you get color tints..
So...about how long is it before LED's of any color begin dying? And is there something more long-lasting than RGB LED backlighting with a similar color gamut?
post #6 of 8
Quote:
Originally Posted by XMAGUSX View Post
P-IPS is pretty much the best quality you can get, right? If so, where can I find said Hazro monitor to buy, preferably in the US? Or any P-IPS monitor for that matter?
Hazro monitors are typically only sold in Europe, you'd have to look on eBay for them if you want them on this side of the Atlantic. Currently the only other P-IPS monitor is the NEC PA-241W (the Hazro shares the exact same panel), which you can actually get here.

Note that P-IPS is simply a revision of the H-IPS panel in the Dell U2410, re-engineered for 10-bit internal processing instead of 8-bit.
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post #7 of 8
Quote:
Originally Posted by XMAGUSX View Post
So...about how long is it before LED's of any color begin dying? And is there something more long-lasting than RGB LED backlighting with a similar color gamut?
Anywhere from a few months to years. RGB is a bit of a issue; while they could use a variant quality of LED's to account for the efficiency loss, the issue would be the higher the quality=the greater the luminance/intensity.
So putting a red, green, and blue LED's of varying qualities together will produce a tinted backlighting.

The RGB Solution:
PWM+Controllers. They could utilize PWN's and sophisticated controllers to control each color LED to match luminance/intensity of the other color LED's. The PWM/Controllers: would have to be done in segments of around every 2-4 square inches, because controlling the whole panel with one PWM controller would be impossible since PWM controller doesn't allow for multiple channels of voltage tweaking.. Also a secondary control would need to be used to tell the PWM controller what to do, depending the colors displayed.

OR
Wait for LED technology to better life expectancy across the board on RGB colors enough so that it won't be noticeable for many many years.. Something tells me this leap in technology shouldn't take much longer.

On Color Gamut
Hmm.. Not sure what to say.. CCFL's do a very good job already.
But no there isn't I suppose.
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by Chunky_Chimp View Post
Hazro monitors are typically only sold in Europe, you'd have to look on eBay for them if you want them on this side of the Atlantic. Currently the only other P-IPS monitor is the NEC PA-241W (the Hazro shares the exact same panel), which you can actually get here.

Note that P-IPS is simply a revision of the H-IPS panel in the Dell U2410, re-engineered for 10-bit internal processing instead of 8-bit.
Thanks, I think I'll have to pick that NEC monitor up then, since I can't find that Hazro monitor on eBay. I'll be downgrading my PC anyway, so better colors will probably be more useful than the 120Hz TFT monitor I have now...unless there's a decent IPS monitor with a 120Hz refresh rate...

Quote:
Originally Posted by AsAnAtheist View Post
Well that's a little disappointing. Thanks for the info.
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