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Projector Technology

There are three major types of projectors, each with their down advantages and disadvantages. Consider how your organization will be using the projector and select the type that best matches your needs.

LCD

LCD projectors tend to appear brighter and have better color accuracy than DLP projectors, but can have issues with pixilation when projecting onto large surface areas. Projecting onto such an area can result in an image having a “screen-door” effect, which means that the image will have noticeable gaps between the pixels.

DLP

DLP projectors have better contrast ratios than LCD projectors, which usually mean more vibrant pictures. Also, the inter-pixel gap issue that can affect LCD projectors is much less noticeable on DLP projectors. On the downside, DLP projectors tend to have less color accuracy than LCD and LCoS projectors.

LCoS

LCoS projectors can be very bright with high resolutions and superb color accuracy. However, they usually have lower contrast ratios than DLP projectors and tend to be pricier than both LCD and DLP projectors.

Lighting System

An important factor in determining a projector’s quality and cost is the way it is lit. There are two different types of lighting systems used in projectors, bulbs and LEDs. LED projectors have longer life spans and do not require replacement, though they are more expensive. Projectors that use bulbs tend to be brighter and cost less but will require bulb replacement eventually. If your organization plans to use the projector for a very long time and does not want to worry about replacing bulbs, an LED projector is a better choice.

Native Resolution

Native resolution refers to the actual amount of physical pixels on a projector’s display. It can affect the amount of detail that the projected image has, with higher resolutions able to show more detail than lower resolutions. However, lower resolution projectors tend to be less expensive. Unless your organization needs to display high resolution images during meets and presentations, lower resolution projectors are more cost effective solutions.

Below are some common native resolutions for projectors.

SVGA (800 x 600)

A budget solution that is acceptable for PowerPoint presentations and other applications that do not require high levels of detail.