http://en.wikipedia.org/wiki/Electronics#Electronic_devices_and_components
http://en.wikipedia.org/wiki/Lens_(optics)
Display screen/sensor
DLP projector
Driving circuit
http://en.wikipedia.org/wiki/Switch#Power_switching
http://en.wikipedia.org/wiki/Fuel_cell
http://en.wikipedia.org/wiki/Projector
Media play
http://en.wikipedia.org/wiki/Output_device#Audio
http://en.wikipedia.org/wiki/Display_device
http://en.wikipedia.org/wiki/Optical_film
Prism plate
Light guide plate
Light-collimating film
http://en.wikipedia.org/wiki/Memory_card
Waveform management
http://en.wikipedia.org/wiki/Micromirror_device
Light source module
