The Nvidia 3D Lightboost technology was originally designed for use in 3D monitors together with the company’s 3D Vision technology for stereoscopic 3D gaming with reduced crosstalk and improved level of brightness as compared to the older 3D Vison-ready monitors.
Lately however 3D-capable monitors with support for 3D Lightboost technology are also creating a lot of interest among users not playing in stereoscopic 3D mode, but instead using them in 120Hz 2D mode and the reason is not only the higher refresh rates that these monitors support in 2D mode as well, but also due to the fact that you can relatively easy enable the 3D Lightboost technology in 2D mode as well. The advantage of using the 3D Lightboost technology in 2D mode is that the motion blur is being eliminated, making fast movements appear much smoother now as compared to using only 120Hz refresh rate with no 3D Lightboost enabled.
What the 3D Lightboost technology does is to strobe the backlight instead of having it always on like on traditional monitors (it is on only when the whole frame is drawn and off between transitions while the next frame is being built), the side effect is that you get a reduction in the maximum brightness you get when 3D Lightboost is enabled. And while the benefit of having motion blur eliminated in 2D mode is definitely a good thing, what bothers some people is the lower brightness you get, so I took an Asus VG278H 3D monitor for a spin and played a bit with the brightness settings to see what you can do to get the most out of it if using it not only for stereo 3D gaming, but also for 120Hz 2D gaming with 3D Lightboost technology enabled as well.
Source: 3DVisionBlog
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