US Patent 8081287 - LCD with CNT heater

http://www.freepatentsonline.com/8081287.html

The switching voltage of LCDs is sensitive to temperature and a heating layer is used to maintain a consistent temperature. This patent from Hon Hai Precision includes basic claims for using carbon nanotubes in the heating layer to improve efficiency. Claim 1 reads:

1. A liquid crystal display comprising:

at least one heating element located on at least one of a first substrate and a second substrate comprising at least one carbon nanotube structure.