I believe that is actually an LCD. They put the polarizer in backwards to give it "negative mode" and then shine colored light through it. It looks to have the same problem as my (and everyone else's as far as I can tell) climate control. Generally the glass connects to the PCB with a rubber connector (with conductive rubber elements). On the climate control you press on the display and it fixes it (for 5 minutes). I imagine the same would be true of this if you could get your finger in there. What do you want for 40K?? Ha Ha, I'm only bitter. Anyway, you could pull the cluster and fiddle with it and maybe get it going. Is it at all temp dependent, worse on hot days? Comes and goes?

Mike

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1998 C230 330,000 miles (currently dead of second failed EIS, yours will fail too, turning you into the dealer's personal human cash machine)
1988 F150 144,000 miles (leaks all the colors of the rainbow)
Previous stars: 1981 Brava 210,000 miles, 1978 128 150,000 miles, 1977 B200 Van 175,000 miles, 1972 Vega (great, if rusty, car), 1972 Celica, 1986.5 Supra