Rear projection television or RPTV is actually the technology behind the modern day display television and projector DLP and until recently catered to consumers as the only option for an affordable big screen TV experience.

Magnifying Details - How Does a Rear Projection TV Work?

As the name suggests, RPTV works by using a projector to magnify a size picture out of the video signal onto a large screen. The projector uses any brilliant beam of light and a lens system in order to project the picture to a much larger size. The conventional TV setups usually are in some ways similar to the RPTVs. The television box carries the projector inside then the projector projects the image form behind the screen.

CRT Projectors

The original RPTV technology, CRT supported RPTVs were the first to exceed 40 inch screens. They were bulky and the picture was unclear at close range.

Projector DLP

The best projector DLP creates a image making use of any DMD chip, which on its surface contains a big matrix associated with microscopic mirrors, each corresponding to one pixel in an graphic.

LCD Projectors

In these RPTVs, a lamp transmits light through a small LCD chip made up of individual pixels in order to create an image.

RPTV Faces Stiff Competition with LCD and Plasma

The weight of earlier RPTVs was much heavier than current ones, and weren't able to be wall mounted easily or at all plus even though most consumers don't wall mount their sets, the ability in order to do so will be considered a vital selling point. The modern-day rear projection TVs have a smaller footprint than their predecessors plus the recent models usually are lighter. But RPTVs still fall short compared to the latest LCD and plasma flat panels which are usually lighter using superior picture resolutions.

While popular in the early 2000s as an alternative to far more pricey LCD and plasma flat panels, the falling price and improvements to LCDs have led to Sony, Philips, Toshiba, and Hitachi planning to drop rear projection TVs out of their lineup. Currently, Samsung, Mitsubishi, ProScan, RCA, Panasonic, and JVC RPTVs remain within the market.

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