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DIGITAL PROJECTORS  
Circuit Cellar Online
THE MAGAZINE FOR COMPUTER APPLICATIONS
Circuit Cellar Online offers articles illustrating creative solutions
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A Guide for Online Information About:

DIGITAL PROJECTORS

by Brant Schroeder

Part: 1 2 3 4

Benefits of a DLP Projector

There are several unique benefits that are derived from DLP technology. One of the most obvious is unit size. Because the DLP projector consists of a single chip rather than three LCD panels, DLP projectors tend to be more compact.

Historically, DLP projectors have been well received in the home theater industry primarily because of two video quality advantages, better contrast and the lack of pixelation. Earlier generations of LCD projectors were notorious for their inability to generate solid blacks and to resolve subtle shadow details. Blacks on LCD projectors looked gray and shadows appeared muddy and indistinct. In comparison, DLP projectors do a much better job. However, this is becoming less of a problem as better LCD projectors are released.

Reduced pixelation is another benefit in DLP projectors. LCD projectors are known for their highly visible pixel structure. LCD technology had a hard time being taken seriously among many home theater enthusiasts because of this major flaw in the projected image. DLP technology has eliminated pixelation. In SVGA (800x600) resolution, DLP projectors has either a muted pixel structure or created an invisible pixel structure depending upon the size of the projected image. Conversely, SVGA-resolution LCD projectors uniformly have a clearly visible pixel grid at just about any image size.

Both LCD and DLP projectors are evolving rapidly in order to benefit the consumer. They are becoming more compact, less expensive, and use light more efficiently to produce better projection quality. For these reasons, projection units are becoming more popular in the business presentation world as well as in the home theater.

Below are some pages that go more in-depth about LCD and DLP projection units and how they work.



LCD AND DLP PROJECTORS

Choosing an LCD Projector

This page can be found on the University of Manchester web site, and contains important information that you should consider when purchasing an LCD projector. It explains about the technology involved in LCD projectors, what to look for when purchasing an LCD projector, and has a quick overview of some popular LCD projectors.



I am always looking for more material about interesting subjects. If you would like to share information about robotics or see a Resource Page on a particular topic, contact me,
Brant Schroeder.


Circuit Cellar provides up to date information for engineers, www.circuitcellar.com for more information and additional articles.
©Circuit Cellar, the Magazine for Computer Applications. Posted with permission. For subscription information, call (860) 875-2199 or e-mail subscribe@circuitcellar.com

 

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