[LG Optimus Black] aprold:
Nope. I did a few measurements today and this is how it looks on my phone:

1100 800 600 300
1 [COLOR="Red"]66[/COLOR] [COLOR="Green"]55[/COLOR] [COLOR="Red"]56[/COLOR] [COLOR="Green"]45[/COLOR] [COLOR="Red"]46[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]36[/COLOR] [COLOR="Green"]25[/COLOR]
2 [COLOR="Red"]65[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]55[/COLOR] [COLOR="Green"]45[/COLOR] [COLOR="Red"]45[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]35[/COLOR] [COLOR="Green"]25[/COLOR]
3 [COLOR="Red"]64[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]54[/COLOR] [COLOR="Green"]45[/COLOR] [COLOR="Red"]44[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]34[/COLOR] [COLOR="Green"]25[/COLOR]
4 [COLOR="Red"]63[/COLOR] [COLOR="Green"]55[/COLOR] [COLOR="Red"]53[/COLOR] [COLOR="Green"]45[/COLOR] [COLOR="Red"]43[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]33[/COLOR] [COLOR="Green"]25[/COLOR]
5 [COLOR="Red"]62[/COLOR] [COLOR="Green"]55[/COLOR] [COLOR="Red"]52[/COLOR] [COLOR="Green"]45[/COLOR] [COLOR="Red"]42[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]32[/COLOR] [COLOR="Green"]25[/COLOR]
6 [COLOR="Red"]61[/COLOR] [COLOR="Green"]55[/COLOR] [COLOR="Red"]51[/COLOR] [COLOR="Green"]45[/COLOR] [COLOR="Red"]41[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]31[/COLOR] [COLOR="Green"]25[/COLOR]
7 [COLOR="Red"]60[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]50[/COLOR] [COLOR="Green"]45[/COLOR] [COLOR="Red"]40[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]30[/COLOR] [COLOR="Green"]25[/COLOR]
8 [COLOR="Red"]59[/COLOR] [COLOR="Green"]55[/COLOR] [COLOR="Red"]49[/COLOR] [COLOR="Green"]45[/COLOR] [COLOR="Red"]39[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]29[/COLOR] [COLOR="Green"]25[/COLOR]
9 [COLOR="Red"]58[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]48[/COLOR] [COLOR="Green"]44[/COLOR] [COLOR="Red"]38[/COLOR] [COLOR="Green"]34[/COLOR] [COLOR="Red"]28[/COLOR] [COLOR="Green"]25[/COLOR]
10 [COLOR="Red"]57[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]47[/COLOR] [COLOR="Green"]44[/COLOR] [COLOR="Red"]37[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]27[/COLOR] [COLOR="Green"]24[/COLOR]
11 [COLOR="Red"]56[/COLOR] [COLOR="Green"]53[/COLOR] [COLOR="Red"]46[/COLOR] [COLOR="Green"]44[/COLOR] [COLOR="Red"]36[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]26[/COLOR] [COLOR="Green"]24[/COLOR]
12 [COLOR="Red"]55[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]45[/COLOR] [COLOR="Green"]44[/COLOR] [COLOR="Red"]35[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]25[/COLOR] [COLOR="Green"]25[/COLOR]
13 [COLOR="Red"]54[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]44[/COLOR] [COLOR="Green"]44[/COLOR] [COLOR="Red"]34[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]24[/COLOR] [COLOR="Green"]25[/COLOR]
14 [COLOR="Red"]53[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]43[/COLOR] [COLOR="Green"]44[/COLOR] [COLOR="Red"]33[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]23[/COLOR] [COLOR="Green"]24[/COLOR]
15 [COLOR="Red"]52[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]42[/COLOR] [COLOR="Green"]44[/COLOR] [COLOR="Red"]32[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]22[/COLOR] [COLOR="Green"]24[/COLOR]
16 [COLOR="Red"]51[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]41[/COLOR] [COLOR="Green"]44[/COLOR] [COLOR="Red"]31[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]21[/COLOR] [COLOR="Green"]24[/COLOR]
17 [COLOR="Red"]50[/COLOR] [COLOR="Green"]54[/COLOR] [COLOR="Red"]40[/COLOR] [COLOR="Green"]44[/COLOR] [COLOR="Red"]30[/COLOR] [COLOR="Green"]35[/COLOR] [COLOR="Red"]20[/COLOR] [COLOR="Green"]24[/COLOR]

Reds are entered and greens are calibrated voltages.

And here is a small visual aid too: