Okudagrams are those funny
pastel-on-
black affairs seen in
TNG and later, and the later
Star Trek films, which can be found as desktop backgrounds on the computers of many
Trekkies (including
me). They are named after
Mike Okuda, who created them when he realised that the cheapest way to make
cool-looking displays was to draw them onto
cellophane, leaving the blank areas black, and then using a white light to backlight them. This was
revolutionary, because they had previously been made with lights of different colours, which was vastly more
expensive.
The term is more appropriate nowadays because Mike Okuda's wife, Denise Okuda, is in charge of making sure the trendy new video displays (as seen on DS9 and Voyager) get the right Okudagrams shown.