When you’re hiring a data projector for your presentation you will often
come across a decision to be made – that is DLP or LCD projector. The
differences are in many cases extremely technical, and the layman may end
up more confused than ever! We have put together a very brief summary of
what you need to know when hiring a projector.
DLP or Digital Light Processor is a new technology which allows a much
smaller projector to be made. So if portability is important, for example
if you are going on a plane with the projector, then it may pay to look at
DLP. The DLP chips themselves are made by US company Texas Instruments, and
they have been aggressively marketing the concept for some years. This
gives them a perceived advantage over the LCD manufacturers who are all
competing against each other.
The new breed of LCD (Liquid Crystal Display) projectors is however
fighting back on the size front with the introduction of a new smaller
panel, allowing manufacturers to create higher resolution portable
Both camps claim issues occur with the opposition:
DLP sometimes suffers from the ‘rainbow effect’ where the picture appears
as a rainbow briefly noticeable when changing focus from one part of the
screen to another. It appears as a secondary image that appears at the
viewer’s peripheral vision and is generally noticeable when shifting focus
from a high contrast area or bright object. This does not appear in “3
chip” DLP projectors, but these tend to be very high end projectors in
terms of price.
LCD sometimes suffers from what is called “screen door” effect, meaning the
picture is pixilated and appears as if you’re watching TV through a screen
door. Again the newer LCD projectors have improved the aperture ratio to
address this and it is much less of an issue than before. Similarly DLP
projectors used to claim a much higher contrast ratio – i.e. blacks were
much blacker than LCD; but some of the latest LCD models achieve a 6000:1
ratio, matching the best DLP ones.
Both types are going through constant changes and improvements, to the
point where one cannot be said to have an overwhelming advantage over the
other. So, unless you have a very specialized need for your presentation,
go with the projector model that fits in terms of weight, size, brightness
James Hunter works for Status AV , a leading provider of projector hire in the UK.
From AliExpressAliExpress.com Product - AUN Smart Projector, D5S, Android 7.1 (Optional 2G+32G) WIFI, Bluetooth, HDMI, Home Theater Mini Projector (Optional D5 White)
AliExpress.com Product - VIVICINE 1280x720p HD LED Projector,Android 7.1.2 HD Portable HDMI USB PC 1080p Home Theater Proyector Bluetooth WIFI Beamer
AliExpress.com Product - New listing native 1280*800 smart game movie Video HDMI USB VGA TV Full HD 1080P Home Theater Android OS wifi 3D LED Projetor
AliExpress.com Product - 2016 New CT80 Portable Digital Mini 1800lumen LED LCD Projector HD 1080P Home Theater support USB SD VGA ATV HDMI black or white