http://en.wikipedia.org/wiki/Light-emitting_diode
http://en.wikipedia.org/wiki/Light_valve
http://en.wikipedia.org/wiki/Backlight
Light source unit
Support pedestal
Audio reproduction
Panel holder
Material-feeding structure
Heat dissipator
http://en.wikipedia.org/wiki/Color_temperature
Projection lens
Dark line reduction
http://en.wikipedia.org/wiki/Color_wheel_(optics)
http://en.wikipedia.org/wiki/Projector
Reflection element
http://en.wikipedia.org/wiki/Gas-discharge_lamp
Bulb brightness
Supporting rack
Illumination system
