Fading display brightness?

Dear everybody,
I received my new x201 4 days before.
Before the X201 I had a T61 with no LED backlit.
I just have one question: If I turn the brightness to zero in Windows 7 and then raise it again, the screen brightness sometimes goes black and then "fades" in, meaning the display does not get brighter immediately but fades in, which lasts for approx. 1-2 seconds.
The same thing happens when I have dimmed the brightness of the display to a low value, then shutdown and power on the notebook again. Then the display also fades in while showing the thinkpad logo on the screen (bios).
Is this behaviour normal? I do not have experiences with LED backlits so I do not know if this is a strange behaviour or not.
Sorry for my bad english, I'm not a native speaker.
Hope, somebody can help or confirm.
Best regards,
Chris

Hello mate,
It's an option in power manager. Under your current power plan expand Idle timers and you can define when the display dim and the intensity.
Knowledge is of two kinds. We know a subject ourselves, or we know where we can find information on it.
ThinkPad T510 4313-CTO Windows 8 x64 - Intel Core i7-620M - NVIDIA NVS 3100M - 8GB RAM - 240GB SSD- Intel Centrino Ultimate-N 6300 - Gobi 2000.
ThinkPad Helix 3697-CTO Windows 8.1 x64 - Intel Core i7-3667U - Intel HD Graphics 4000 - 8GB RAM- 256GB SSD - Intel Centrino Advanced-N 6205 - Ericsson C5621gw

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Fading display brightness?

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