A display unit for use with a computer and a power supply, includes an environmentally-sealed enclosure having a removable cover, and housing a liquid crystal display screen, the removable cover serving as an integral heat sink for the power supply, the power supply being mounted on the internal...http://www.google.ca/patents/US5748269?utm_source=gb-gplus-sharePatent US5748269 - Environmentally-sealed, convectively-cooled active matrix liquid crystal display (LCD) 
