Understand How A Projector DLP TV Operates

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

Magnifying Details - How Does a Rear Projection TV Work?

As the name suggests, RPTV uses a projector to magnify any size image out of the video signal onto a large screen. The projector uses any bright beam of light plus a lens program to project the graphic to a much larger size. The conventional TV setups are in some methods similar to the RPTVs. The television box contains the projector inside then the projector projects the image form behind the screen.

CRT Projectors

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

Projector DLP

The best projector DLP creates a picture using any DMD chip, which on its surface contains a large matrix associated with microscopic mirrors, each corresponding to one pixel in an image.

LCD Projectors

In these RPTVs, a lamp transmits light via a little LCD chip made up of individual pixels to be able 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 though most customers don't wall mount their sets, the ability to do so is certainly considered a vital selling point. The modern-day rear projection TVs have a smaller footprint than their predecessors plus the recent models are lighter. But RPTVs still fall short compared to the latest LCD plus plasma flat panels which are lighter using superior picture resolutions.

While popular in the early 2000s as an alternative to additional expensive LCD and plasma flat panels, the falling price plus 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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