Liquid crystal on silicon

"LCOS" redirects here. For the energy economics metric, see levelized cost of storage. For the medical syndrome, see low cardiac output syndrome.

Liquid crystal on silicon (LCoS or LCOS) is a miniaturized reflective active-matrix liquid-crystal display or "microdisplay" using a liquid crystal layer on top of a silicon backplane. It is also known as a spatial light modulator. LCoS initially was developed for projection televisions, but has since found additional uses in wavelength selective switching, structured illumination, near-eye displays and optical pulse shaping.

JVC's development of LCoS is branded as Direct-drive Image Light Amplifier (D-ILA), while Sony's own development is branded as Silicon X-tal Reflective Display (SXRD).

LCoS is distinct from LCD projection technology, which uses transmissive LCD panel(s) that block or allow light through. LCoS is more similar to DLP displays.

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