Overview A video projector , also known as a Digital Projector , may be built into a cabinet with a rear-projection screen -LRB- rear-projection TV , or RPTV -RRB- to form a single unified display device , now popular for `` home theater '' applications .

A video projector may also be built into a cabinet with a rear-projection screen to form a single unified display device , now popular for `` home theater '' applications .
