Rear projection television as well as RPTV is certainly the technology behind the modern day large screen television and projector DLP and until recently catered to buyers as the only option for an affordable large display TV experience.

Magnifying Details - How Does any Rear Projection TV Work?

As the name implies, RPTV uses a projector to magnify a size image from the video signal onto any screen. The projector uses a bright beam of light and a lens system to project the image to a a lot bigger size. The traditional TV setups are in several ways similar to the RPTVs. The television box contains the projector inside and the projector projects the graphic form at the rear of the screen.

CRT Projectors

The earliest RPTV technology, CRT backed 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 using a DMD chip, that on its surface contains any big matrix of microscopic mirrors, each corresponding to one pixel in an image.

LCD Projectors

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

RPTV Faces Stiff Competition with LCD plus Plasma

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

Even though well-liked in the early 2000s as an alternative to more expensive 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 from their own lineup. Currently, Samsung, Mitsubishi, ProScan, RCA, Panasonic, plus JVC RPTVs remain within the market.

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