http://en.wikipedia.org/wiki/Backlight
http://en.wikipedia.org/wiki/Zoom_lens
Light shading module for projector
http://en.wikipedia.org/wiki/Color_wheel_(optics)
http://en.wikipedia.org/wiki/Light-emitting_diode
Backlight/LCD
http://en.wikipedia.org/wiki/Glasses
Illumination device
Cooling in projection system
Projection device
3D image conversion device
Light guide panel
Projector
Projection apparatus
Device
Light source
Digital multiplexing system
Heat dissipation module
