LCD digital projection technology
In Liquid Crystal Display projectors, a light source typically shines through a layer of liquid crystal material. Because the light is transmitted through the layer, this form of projection technology is commonly labeled transmissive.
LCD projectors range from mid-sized to very small, medium weight (20 kilos or so) to very light (under 3 kilos), and have become increasingly standardized (and hence easy to set up and use), making them the most popular choice for a wide variety of presentation applications.
In the context of alternative technologies of the same basic size and weight, LCD projectors have the advantage of being the more-established technology, which means the installed base is larger, and hence more people are experienced in setting up and using this form of presentation support.
DLP digital projection technology
Digital Light Processing (DLP®), unlike LCD technology, is 'reflective'. Rather than passing light source through a liquid crystal material, light is reflected off panels called Digital Micro-Mirror Devices or DMD's. The DMD's are made up of tiny mirrors, each reflecting a single pixel in the resolution of the projected image.
The advantage of this system is offering better control of color in any image since each individual pixel is controlled and a smoother, cleaner image since the space between the mirrors on a DMD is less than the space between the LCD panels crystal cells.
DLP projectors also tend to be brighter, unlike transmissive LCD technology where some light is lost passing through the liquid crystal panels, as all the light from the source is reflected out of the projector. This means that DLP projectors have the potential to offer higher brightness from smaller units and consequently use less power to achieve the same levels of brightness.
These quality benefits of DLP technology do come at an increased cost, however, and therefore have remained at the top-end of the projection market.
Regardless of the technology you choose, your investment with Christie® is returned with consistent, reliable performance, and powerful images.