Projector

While LCD projectors have a sharper image and superior picture quality, DLP projectors are lighter, portable, and considered to be more reliable.

DLP (Digital Light Processing) technology uses micro-mirrors to project images from a monitor onto a large screen. DLP is seen in standalone projection units, in rear projection TVs, and in a majority of digital cinema projection. LCD (Liquid Crystal Display) video projectors send light from a metal-halide lamp through a prism to display video, images, or computer data on a screen or flat surface.

Comparison chart

DLP Projector versus LCD Projector comparison chart

DLP ProjectorLCD Projector
IntroductionType of projector technology that uses a digital micromirror device.Type of video projector for displaying video, images or computer data on a screen or other flat surface; modern equivalent of the slide or overhead projector.
How it WorksDLP’s one chip is with a reflective surface having 1,000s of tiny mirrors coordinated with a light source to reflect digital imagery to any surfaceProjected light onto mirrors split to 3 primary colors: red, green and blue. Colors then pass via 3 separate prisms, with colors converged via 2nd prism for projection on screen.
Advantagaes*Smoother video *Smaller box *Pixels less visible *“Filmlike” on HDTV *Generate "blacker" blacks *Higher contrast *Portable*Richer color dynamics in ambient light *Less power *Throw less heat *No "rainbow effect" *Quieter, sharper image on data
Disadvantages*Some "rainbow effect" *More moving parts *Produce audible whine *Poorer reds, yellows at full power *Color saturation *More lumens than LCD with ambient light*More visible pixels *Some screen door effect on certain video images *Larger - even for same lumen # *Poorer contrast *Black is lighter gray than in DLP
ImageGood picture quality, but poorer than LCD projectorsSharper image; better picture quality than DLP projectors
Rainbow EffectYesNo
ContrastHigher than LCDLower than DLP
PortabilitySmaller, Lighter, Easily portableBuliker, Not very convenient for portability
PriceTBATBA
Light SourceLED or Standard LampStandard Lamp
Technology TypeReflectiveTransmissive
Year Invented19871968


Remarks : 

1000 ANSI lumen (MAX) equal to lumen 4500 of projector with LCD or LCOS technology

200 ANSI lumen equals to lumen of 3500 projector with LCD or LCOS technology

100 ANSI lumen equals to lumen 2000 of projector with LCD or LCOS technology

60 ANSI lumen equals to lumen of 1500 of projector with LCD or LCOS technology






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