The inside of a normal LCD monitor or TV is pretty straightforward as this diagram shows:
Related Articles

General
Ambient Light – Panel Settings
16 March 2012
The ‘Autobright+’ sensor board (pictured) changes LCD contrast and black-level to preset levels according to ambient light conditions. It also recognizes RS-232 commands for remote control of these settings. This kind of setting adjustment is useful for … [more]

General
In What Ways Do LCD Display Systems Differ?
24 February 2012
In the commercial and professional market display systems differ in many significant respects and are far from the commoditization of the consumer monitor market. The differences are both external and internal: Panel choice: Brightness and … [more]