Toshiba TECRA M9 Maintenance Manual page 334

Appendices
7. Do not expose the module to direct sunlight or strong ultraviolet rays for long periods.
8. Do not store the module at temperatures below specifications. Cold can cause the
liquid crystals to freeze, lose their elasticity or otherwise suffer damage.
A-4 [CONFIDENTIAL]
Appendix A Handling the LCD Module
TECRA M9 Maintenance Manual (960-631)