Heat dissipator
Control circuit
Lens assembly
Illumination assembly
http://en.wikipedia.org/wiki/Backlight
http://en.wikipedia.org/wiki/Lens_(optics)
Optical projection
Seat assembly
Fixing structure
Elevating device
http://en.wikipedia.org/wiki/Projector
http://en.wikipedia.org/wiki/Zoom_lens
Projection apparatus
Light mount
Projector assembly
Image display
