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What is a digital micromirror device used for?

What is a digital micromirror device used for?

Digital micromirror devices are used in video projectors and optics and micromirror devices for light deflection and control.

How does a digital micromirror device work?

The mirror modulates the light by deflecting the beam in and out of the entrance pupil of the projection lens. Each individual mirror is used in a digital on/off mode. When the mirror is tilted clockwise (in Figure 70), the light is in the on state. The reflected light passes through a lens.

What is DMD technology?

A DMD is an optical micro-electrical-mechanical system (MEMS) that contains an array of highly reflective aluminum micromirrors. This document describes how one mirror, or pixel, works. It also explains how rows, blocks, or frames of data can be loaded to an entire DMD array.

What type of actuation is used for moving micromirrors used in digital micromirror device?

The device can achieve an optical scanning angles of 11.5◦ and 14◦ at 12 V with a resonant frequency of 247 Hz [37]. In addition, vertical comb actuators are used in translational motion for scanning micromirrors.

How are DLP mirrors made?

The mirrors are laid out in a matrix, much like a photo mosaic, with each mirror representing one pixel. When you look closely at a photo mosaic, each piece of it holds a tiny, square photograph. As you step away from the mosaic, the images blend together to create one large image.

What is micromirror pitch?

The pixel pitch of each micromirror has a value of 13.65 μm for the XGA DMD and 10.8 μm for the FullHD 1080p DMD.

How is DMD made?

Causes. DMD is inherited as an X-linked disease. X-linked genetic disorders are conditions caused by an abnormal gene on the X chromosome and manifest mostly in males. Females that have a defective gene present on one of their X chromosomes are carriers for that disorder.

What is MEMS micromirror?

Introduction: MEMS micromirrors are devices used in optical systems to direct light from one position to another over a range of reflection angles. The reflection angle of a micromirror can be adjusted by an actuation mechanism that rotates and moves the mirror surface.

How are DLP chips made?

DLP technology is based on an optical semiconductor, called a Digital Micromirror Device (DMD), which uses mirrors made of aluminum to reflect light to make the picture. The DMD is often referred to as the DLP chip.

What is DLP projector technology?

DLP (Digital Light Processing) uses a chip made of tiny microscopic mirrors and a spinning colour wheel to create an image. DLP projectors deliver sharp images, don’t need any filters, have a better response time as well as 3D capabilities.

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