LCD: LCD stands for Liquid Crystal Diode Display.
Small crystal particles enclosed in panes of glass can penetrate 
electrical voltage can be manipulated in its transparency. The discs themselves do not emit any light, they are illuminated from behind or from the side.
This technology is used in the EU for the small displays of camcorders and for front and rear projection. She is entitled to compete in the projection DLP- and tube projection. Advantages: inexpensive and relatively fail-safe, disadvantages: visible pixel structure, not always satisfactory black values (lack of contrast).