Rear Projection TV

Rear projection TV or RPTV is the technology behind the modern day large screen television screen and until recently focused to consumers as the only choice for an affordable large screen TV experience.

Magnifying Details - How can a Rear Projection TV Work?

Since the name implies, Rear projection TV uses a projector to magnify a small image from the video signal onto a large screen. The projector works on the bright beam of light and a lens system to venture the image to a bigger size. The traditional TV setups are in some methods just like the RPTVs. The TV screen box contains the projector inside as well as the projector projects the image form behind the screen.

Various Projection System for RPTVs

CRT Projectors - The original RPTV technology, CRT backed RPTVs were the first one to surpass 40 inch screens. They were large and the picture was unclear at close range.
DLP Projectors

A DLP projector generates a photo by using a DMD chip, which on its surface area has a large matrix of microscopic mirrors, each corresponding to one pixel in an image.
LCD Projectors - Within this Rear projection TV, a lamp transports light through the small LCD chip composed of individual pixels to build an image.

RPTV Faces Stiff Competitions from LCD and Plasma

The weight of prior Rear projection TV expected it to be wall-mounted, despite the fact that most consumers don't wall mount their sets, the chance to do so is known a vital selling point. The modern-day rear projection TVs have a very smaller footprint than the earlier versions and also new models are lighter. But Rear projection TV still don't succeed compared to the most recent LCD and plasma flat sections which have been lighter with superior picture resolutions.

While well-liked during the early 2000s rather than higher priced LCD and plasma flat panels, the falling price and advancements to LCDs have led to Sony, Philips, Toshiba, and Hitachi going to drop rear projection TVs using their lineup. Now, Samsung, Mitsubishi, ProScan, RCA, Panasonic, and JVC Rear projection TV be in this market.