| Many manufacturers use the Thin Film | | | | are arranged so that in their normal |
| Transistor (TFT) technology to improve | | | | state (with no voltage applied) the |
| colour screens they provide to | | | | light coming through the passive filter |
| consumers.In a TFT screen an extra | | | | is polarized so as to pass through the |
| matrix of transistors are connected to a | | | | screen. When a voltage is applied the |
| LCD panel. These transistors drive the | | | | liquid crystal elements twist up to |
| pixels removing ghosting and slow | | | | ninety degrees in reference to the |
| response speed that has affect previous | | | | voltage, changing their polarization and |
| pc monitor displays of days gone by.The | | | | blocking the light's path. |
| liquid crystal elements of each pixel | | | | |