here is some other basic info regarding LCD and temperature ranges.

LCD Family Item Celsius Fahrenheit

Standard STN Operating Range 0 to 50/60 32 to 122/140

Standard STN Storage Range -20 to 60 -4 to 140

Standard TFT Operating Range -10 to 70 14 to 158

Standard TFT Storage Range -20/-30 to 80 -4/-22 to 140

Wide Temp STN Operating Range -20 to 70 -4 to 158

Wide Temp STN Storage Range -25 to 75 -13 to 167

http://americas.kyocera.com/kicc/lcd/notes/tempconsider.html