How MEMS-based IMOD Technology Works
Just because I am an incredible geek, I think this is fascinating.
The Interferometric Modulator (IMOD) element is a simple MEMS (micro-electro-mechanical system) device that is composed of two conductive plates. One is a thin film stack on a glass substrate, the other is a reflective membrane suspended over the substrate. There is a gap between the two that is filled with air. The IMOD element has two stable states. When no voltage is applied, the plates are separated, and light hitting the substrate is reflected as shown above. When a small voltage is applied, the plates are pulled together by electrostatic attraction and the light is absorbed, turning the element black. This is the fundamental building block from which Qualcomm® mirasol displays are made.
Just because I am an incredible geek, I think this is fascinating.
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