Chromation is developing a spectral sensor based on photonic crystal scattering, offering a compact size and low cost in a high channel count spectral sensor system.
Lumiode
Lumiode is developing an active matrix LED microdisplay. The Lumiode approach offers the highest brightness and efficiency of any known display technology.
Radiator Labs
Radiator Labs deploys systems for increasing the performance of steam heated buildings using a combination of distributed sensor networking and a proprietary radiator temperature control system.