Toshiba Satellite L20 Series Maintenance Manual page 211

Handling the LCD Module
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.
9. Do not disassemble the LCD module. Disassembly can cause malfunctions.
A-4 Satellite L20 Maintenance Manual(960-Q01)