Modulator devices are selectably adjustable between at least two states, wherein the transmission and/or reflection of particular wavelengths of light are modified. Certain modulator devices are substantially uniformly adjustable over a wide range of wavelengths, including visible and infrared wavelengths....http://www.google.com.au/patents/US20090103166?utm_source=gb-gplus-sharePatent US20090103166 - ADJUSTABLY TRANSMISSIVE MEMS-BASED DEVICES