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The Pros And Cons Of Dlp Hdtv

Comparing DLP HDTV Units to Plasma andDLP HDTVs are considerably less
LCD Reveals Strengths and Weaknessesexpensive than LCD or plasma displays
Digital Light Processing or DLP is onethat offer the same resolutions. They
of the latest HDTV technologies that isare smaller, lighter, and thinner than
taking the television industry by storm.CRT projectors, and while they are
Developed by Texas Instruments, DLP is alighter than LCD or plasma displays they
process in which millions ofare not as thin. Like plasma, DLP units
microscopically small mirrors calleddo not suffer from phosphor burn-in of
Digital Micromirror Devices or DMDsCRT units or image persistence of LCD
reflect light onto the televisionunits.
screen. The large number of mirrors,One great advantage to DLP HDTVs is that
each representing one or more pixels,they use an easily replaceable light
ensures a high quality image. DLP HDTVsource, which means a potentially longer
can come in the form of frontlife than CRT or plasma units. The light
projectors, which are standalone units,source is easier to replace than the
or rear projectors, which competebacklights used for LCD displays, and on
against LCD and Plasma flat-screens. DLPDLPs is often user-replaceable,
projectors have mostly supplanted CRTeliminating the need for an expensive
projectors, and is also one of thetrip to the service department.
primary technologies used in digitalThe biggest problems with DLP HDTVs are
cinemas.response time and contrast. The response
One or Three Chips?time problem with DLP primarily occurs
One disadvantage to DLP HDTVs is thatwhen dealing with a low-resolution
most single-chip systems, which areinput, such as analog signals and older
standard in home units, can produce avideo game units. Newer consoles such as
"rainbow effect" of red, blue,the PlayStation 3 and Xbox 360 do not
and green shadows when showing a brighthave this problem, nor do HDTV cable and
object moving quickly across a blacksatellite systems. The contrast on DLP
background. This is caused by theunits is slightly below that of LCD or
movement of the color wheel, whichplasma units but comparable to them, but
rapidly spins in front of each DMD tois only mediocre compared to a CRT.
produce color. Some people rarely seeConclusion
this effect, while others perceive itDLP HDTVs are a fantastic option for
all the time. As the effect can lead toanyone who wants high definition on a
eye strain, headaches and migraines inbudget. The advantage of the easily
some viewers, anybody consideringreplaceable light source cannot be
purchasing a DLP HDTV would beoverlooked, because the bulbs can cost
well-served to see an in-storeas little as $200, and when replaced the
demonstration of the unit they areunit should perform like new. However,
considering before purchasing. Morethe picture quality, while definitely
recent DLP units incorporate severalHDTV-level, is not as good as a LCD or
technologies that greatly lessen thisplasma unit. In short, DLP is HDTV on a
effect, and three-chip projectors do notbudget, but if you can afford it you
have this problem at all.should go for LCD or plasma.
Pricing and Other Considerations



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