The televisions that you saw on display are connected to a High Definition Signal. There are three ways to obtain a HD signal. 1. If you are connected to cable or 2. Satellite if you are subscribed to HD Service and have an HD receiver. Contact your provider for this service if you are not currently subscribed to this type of Service, This connection must be connected to the Component (red, blue, green) on the television or the HDMI connection. 3. To obtain free over the air signal you can connect an adequate antenna to the coaxial (ANT) connection. Most local programming that can be received with an antenna will be HD.