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About Us

Plessey is a UK-based leading developer of advanced optoelectronic technology solutions. The company provides volume processing of its unique and proprietary GaN-on-Silicon platform for a wide range of optoelectronic devices and systems.

With headquarters located in Plymouth, England, Plessey operates leading-edge 150mm and 200mm wafer processing facilities to undertake design, test and assembly of products, and a comprehensive suite of photonic characterisation and applications laboratories.

Plessey is an award-winning provider of innovative illuminators for display engines (DMD and LCOS) and full-field emissive microLED displays that combine very high density RGB pixel arrays with high-performance CMOS backplanes to produce very high brightness, low power and high frame rate image sources for head mounted displays (HMDs), Augmented Reality (AR) and Virtual Reality (VR) systems.