Originally Posted by zoyd
Interesting, I''ll wager that this timing update was designed with the 2012 sets in mind to remove the fluctuations and lower mll slightly (hence the file name DeepBlack). At CES Samsung announced 10% lower blacks for the E-series, which is not much but a good marketing point. In order to do that they would have to lower the rate at which pixels get initialized. We already know that the initialization rate goes up with increasing APL which generates the (now smooth) increases in mll. In the other direction the ramp now produces zero
initialization pulses at some point. I wonder why there are the ~7 clicks of adjustment between mll on and mll off?
The totally black screen surprised me when I was looking for the points where the new changes in brightness occurred by varying the Brightness control. I was using the same method that I described here
In September when I did this, in addition to the sudden increase in brightness when raising the Brightness control, there was a sudden decrease down to the normal MLL when reducing the Brightness control back down. Now with the new logic update, under certain reproducible conditions, the screen cuts off completely.
It's a similar effect that my 2009 Panasonic plasmas show in their Vivid mode -- about the same as the Samsung Dynamic mode.