Multimedia playback projection system
http://en.wikipedia.org/wiki/Light-emitting_diode
Projection device
http://en.wikipedia.org/wiki/Electrical_connector
http://en.wikipedia.org/wiki/Electronics#Electronic_devices_and_components
Double lamp module
Backplate device
Illumination system
http://en.wikipedia.org/wiki/Fuel_cell
Centrifugal blower
http://en.wikipedia.org/wiki/Reclaimed_water
Lamp fixation structure
Packaging structure
http://en.wikipedia.org/wiki/Display_device
Planar display
