DLP® is a light projection technology. DLP 3D printing is used to create high accuracy parts with smooth surfaces, utilizing high-performance materials which add functional properties to the produced parts.
This makes the technology highly suitable for production parts – a good alternative to injection molding for low volume manufacturing.
An Introduction to Digital Light Processing (DLP)
DLP is a digital method of projecting light, meaning it controls individual pixels on the screen: color, brightness, and contrast. At its core, DLP uses a digital micromirror device (DMD) to reflect light to the desired pixels.
First developed by Texas Instruments in 1987, a DMD is comprised of thousands of microscopic mirrors. Ten years later, Digital Projection used this technology to create the first DLP projector.
The projector can control each mirror individually to reflect light either towards the screen or away (to a beam dump). Furthermore, the mirrors can be rapidly rotated “on” and “off” to reduce the effective brightness of the color (or grayscale).
Read this article in full here.
