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==Brief history==
The light valve was originally developed at [[Stanford University]], in California, by electrical engineering professor David M. Bloom, along with William C. Banyai, Raj Apte, [[Francisco Sandejas]], and [[Olav Solgaard]], professor in the [[Stanford Department of Electrical Engineering]]. In 1994, the start-up company [[Silicon Light Machines]] was founded by Bloom to develop and commercialize the technology. Cypress Semiconductor acquired Silicon Light Machines in 2000 and sold the company to Dainippon Screen. Prior to the acquisition by Dainippon Screen several marketing articles were published in EETimes, EETimes China, EETimes Taiwan, Electronica Olgi, and Fibre Systems Europe highlighting Cypress Semiconductor new MEMS manufacturing capabilities. The company is now wholly owned by Dainippon Screen Manufacturing Co., Ltd.<ref>[http://www.screen.co.jp/press/NR080702E.pdf Dainippon Screen Mfg. Co., Ltd.]</ref>
In July 2000, [[Sony]] announced the signing of a technology licensing agreement with SLM<ref>[http://www.sony.net/SonyInfo/News/Press_Archive/200206/02-023E/ Sony Develops a Grating Light Valve display device that gives high resolution, excellent contrast ratio and wide color reproduction]</ref><ref>{{Cite web |url=http://meko.co.uk/glv.shtml |title=Sony Signs Technology License Agreement with SLM |access-date=2010-02-03 |archive-url=https://web.archive.org/web/20100120030238/http://www.meko.co.uk/glv.shtml |archive-date=2010-01-20 |url-status=dead }}</ref> for the implementation of GLV technology in laser projectors for large venues,<ref>{{cite web|url=http://www.hdtvexpert.com/pages/glv.htm|date=2005-06-23|title=SAY, ISN'T THAT ELVIS? The Grating Light Valve emerges from hiding in Salt Lake City|accessdate=2008|archiveurl=https://web.archive.org/web/20051126211347/http://www.hdtvexpert.com/pages/glv.htm|archivedate=2005-11-26}}</ref> but by 2004 Sony announced the SRX-R110 front projector using its own LCoS-based technology [[SXRD]].
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