Rear Projection: LCD
LCD big screens TVs are becoming more prevalent. LCD projection works like a slide show by directing light through a silicone chip and then magnifying it for projection.
Photo courtesy Panasonic and Matsushita Electric Corporation of America
A rear-projection LCD
Front Projection: LCD
LCD projectors are outboard versions of the projectors used in the rear-projection models. Out of the box, this design allows for larger screen size than its RPTV equivalent.