The advantages and disadvantages of DLP projectors

Digital Light Processing (DLP) is a display machine based mostly on optical micro-electro-mechanical digital micromirror device. DLP is used for a variety of show applications from traditional static shows to interactive displays, as well as non-traditional embedded purposes together with medical, safety and industrial applications.

Compared with competing technologies, DLP gives sharp, colorful, clear distinction images. Because the house between each micromirror is less than 1 micron, the house between pixels is significantly limited. Subsequently, the final image seems to be clearer. With using a mirror, the light loss is vastly reduced and the light output is sort of high.

Easy (1080p resolution), no jitter image. Good geometry and excellent grayscale linearity are achievable

Utilizing a substituteable light source signifies that it might take longer than CRT and plasma shows, and the light from the projected image shouldn’t be inherently polarized. Light sources are easier to replace than backlights for LCDs and lighter than LCDs and plasma TVs, which are sometimes consumer replaceable. The new LED and laser DLP show system more or less eliminates the need for lamp replacement. DLP provides affordable 3D projection displays from a single unit and can be used with each energetic and passive 3D solutions.

Not like liquid crystal shows and plasma displays, DLP shows don’t rely on the fluid as a projection medium and subsequently are usually not restricted by their inherent mirror mechanism, making them supreme for rising HD cinema and venue screens.

The DLP projector can handle as much as seven totally different colors, giving it a wider colour gamut.

DLP, which represents digital light processing, is a Texas Instruments technology. It uses mirrors and shade wheels to mirror and filter the projected light. For home and business use, the DLP projector makes use of a reflective panel for all three colors. Digital cinema has three-panel DLP projectors priced at more than 10,000 US dollars. Most people solely find out about single-panel DLP projectors.


The only downside of DLP projectors is what believers call “rainbow effects.” Shopper DLP projectors use transparent colour discs (half-color wheels) rotating in entrance of the lamp. This disk, divided into a number of main colors, reconstructs all the final colors. The place of these major colours is like the slice of pie. Depending on the projector, there could also be 3 segments (1 red, 1 green and 1 blue) or 4 segments (1 red, 1 green, 1 blue and 1 white), 6 segments (1 red, 1 green, 1 blue, then 1 red, 1 green and 1 blue), and even eight segments have a few white. The smaller the section, the less the turntable, the stronger the power of the eyes to disassemble the color. This means you sometimes see something like a rainbow, especially in brilliant areas of the image. Fortunately, not everyone sees these rainbows. So earlier than shopping for a DLP projector, you should definitely check out some video sequences.

Some viewers discover the tweeter of the color wheel an annoyance. Nevertheless, the driveline can be designed to be silent, and a few projectors do not produce any audible shade wheel noise.

The sides of the projected image between black and light are usually jagged. This is called jitter. This is how the image transitions from one coloration to a different, or how the curve appears in the image. In DLP projectors, the way to current this gray transition is by turning the light supply on and off faster in this area. Sometimes, inconsistent dither artifacts can happen in coloration conversions.

Because one pixel cannot render shadows precisely, error diffusion artifacts caused by averaging shadows on totally different pixels