Optical projection apparatus
Phosphor/fluorescent gel/LED
Illumination system
http://en.wikipedia.org/wiki/Heat_sink
Electric screen
Projection device
Image projecting apparatus
http://en.wikipedia.org/wiki/Backlight
Rear-projection display apparatus
Plane light source apparatus
Lens cap device
Backlight module housing
Spinning-type pattern-fabrication system
Heat-dissipating device
