Would using the computer with dimmer monitor brightness help save power?

I hate having to turn my monitor on and off while doing hw and going online sometimes for definitions from dictionary dot com or other small things. But I also want to save power. Would making the screen brightness dimmer help save power and keep the monitor more healthy I have a Samsung 21.6in. flatscreen... show more I hate having to turn my monitor on and off while doing hw and going online sometimes for definitions from dictionary dot com or other small things.

But I also want to save power. Would making the screen brightness dimmer help save power and keep the monitor more healthy

I have a Samsung 21.6in. flatscreen lcd monitor by the way GOOD MONITOR!
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