Hello,
Since i had this problem: (https://e2e.ti.com/support/dlp__mems_micro-electro-mechanical_systems/f/94/t/415270), which has not been fixed yet, i can not use my dlplcr6500 in any form of pattern mode. I am trying, while waiting for a fix, to use the device in video mode as an external screen through the displayport connector. My new problem is that i need the device to project binary patterns, with some pixels "permanently" on and some off.
I thought that would be easy, by just setting the pixels to rgb (255,255,255) for "on" and to rgb (0,0,0) for "off".
However, i can see that, while the "off" pixels seems to be completely off, the "on" pixels keep flickering a little bit. If i use short exposures i can see the image "striped" along the horizontal axis. This happens with the hdmi port, displayport, and even with the internal pattern named "Solid field". I can not recall this happening in pattern mode.
You can find attached an image of the dmd screen, acquired with 1 ms exposure time, while using it in a microscope with the "solid field" internal pattern on it. looking at it live, the stripes maintain their width and seem to move randomly across the field of view.
Is there a reason for this? Possibly an easy fix? I can still use it, but having the stripes on all images is definitely annoying.
Thanks for your help
Paolo