Submitted Dave Astle, Sep 01 2000 09:43 PM | Last updated Sep 01 2000 09:43 PM
LCD - Liquid Crystal Display. LCD screens are used widely among electronic devices. Probably the most common application of LCD screens, is in Digital Watches. How it works is as follows: Two sheets of clear plastic are pancaked together with a think lair of a substance called Liquid Crystal. When a voltage is applyed, it causes the liquid crystal to turn opaq.