**What two effects did Twisted Nematic (TN) field effect displays have as a technological breakthrough?** As a technological breakthrough, TN field effect displays: 1. Made the manufacture of large, thin LCDs practical and cheap. 2. Pushed out other common display technologies like LEDs and CRTs. > **What are four advantages of Twisted Nematic (TN) field effect displays?** > Four advantages of TN field effect displays are that they: > 1. Don't require current flow for operation. > 2. Use low operating voltages which are suitable for use with batteries. > 3. Have fast response times. > 4. Have less smearing. > > **What are the more common alternatives to Twisted Nematic (TN) field effect displays?** > The more common alternatives to TN field effect displays are: > * In-Plane Switching (IPS) displays. > * Vertical Alignment (VA) displays. **What are two disadvantages of Twisted Nematic (TN) field effect displays?** Two disadvantages of TN field effect displays are that they: 1. Have poor color reproduction. 2. Have limited viewing angles. # Description ...