Reviews: Archive: 22''-30'' LCD Displays 2009 to 2011

REVIEW / LG Flatron E2351

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Alexandre Botella Published on September 1, 2011
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  • Screen size 23 inches
  • Panel type TN
  • Resolution 1920 x 1080 pixels
  • Response time 5 ms
  • Inputs (HDMI / DVI / VGA / Component) 1 / 1 / 1 / 0
  • Other details Headphone jack
The LG Flatron E2351 monitor is the first of the company's new 2011 range of displays to pay a visit to our lab.  The 23'' screen has a Full HD TN display and combines an attractive design with affordable pricing—but its tech specs aren't much to write home about.  Will that be enough for ordinary users?

Tech Specs & Design: very average

The E2351 doesn't have much to help it stand out from the crowd, and there's nothing out of the ordinary about its inputs and outputs.  For video, VGA, DVI and HDMI cover all your bases while there's only a headphone jack for audio.  Given that there are no built-in speakers, that line out is the only way to pick up the audio signal carried over the HDMI cable.

The design might well be easy on the eye, but that isn't included in our score, even if it could tip the balance for some customers.  The ultra-thin glossy frame is all clean lines.  The E2351 still loses a point compared to the Asus VS247H, because the former has an external transformer, meaning it trails behind the display, sitting either on your desk or down on the floor.

Responsiveness: mostly for web browsing and office work

We had no surprises during our responsiveness tests, measuring an average ghosting time of 20.5 ms, which corresponds more or less with the promised tech spec of a 5 ms TN display.  That means that the E2351V is a screen that's best left to office work or web browsing.  Games and other apps with fast-moving objects will end up looking blurry.  If you're thinking about something like that, you'd better look at another monitor.

This graph shows the ghosting time, measured in ms, that the monitor takes to entirely remove the previous frame. The shorter the time, the more fluid moving images will appear

The input lag is perfectly average: there is a slight delay, but it's small enough to be invisible to the naked eye.

Colours need calibrating

On one hand, we're happy to congratulate LG's efforts to make sure that the default settings produce this monitor's best results.  Those colours, however, are from accurate.  We measured an average deltaE—the discrepancy between the colours in the video input and those actually shown on the display—of 5.4.  A score like that is a long way from the top of the table.  To get more accurate results, you'll either have to calibrate the colours yourself using your own equipment, or else download one of our calibration profiles.

Default deltaE on the LG Flatron E2351

Contrast is only a little better.  The E2351 has an average contrast ratio of around 950:1, coming in above the average value of 850:1 across other monitors we've tested.  Be careful, though, as it's not fixed.  When you turn down the brightness, the contrast falls away.  With brightness at 200 cd/m² (down from the 250 cd/m² average), the contrast ratio is a mere 780:1.  When you go down to 100 cd/m², it falls as low as 620:1.
Much like the Asus VS247H, as long as you have a 2.0 or 2.1 speaker system to plug into the audio line out, you can use the LG Flatron E2351 with a DVD player or your IP TV system. Although the same is technically true of a games console as well, given how unresponsive it is, we don't suggest that (see the main test for more details).

If that's what you want to do, there are two important details: firstly, you need to let your external source take care of any upscaling needed to reach Full HD. LG has included a system called 'Resolution +' in the OSD, but that only increases the sharpness without actually doing any upscaling. We also suggest you turn the brightness down as much as possible to avoid spotting snowstorms in darker areas of the screen, although even this only partly solves the problem.


  • Attractive design
  • Contrast ratio above average with default settings


  • Colours aren't accurate
  • Contrast ratio falls as brightness is turned down


The LG Flatron E2351 certainly won't go down in history, and most of its customers are likely to plump for the attractive design above anything else. The ViewSonic VA2448-LED is a great alternative that costs a little bit less but delivers much better colour reproduction.
2 LG Flatron E2351 DigitalVersus 2011-09-01 00:00:00
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