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Encyclopedia > LCOS

Liquid crystal on silicon (LCOS or LCoS) is a "micro-projection" or "micro-display" technology typically applied in projection televisions. It is a reflective technology similar to DLP projectors, however it uses liquid crystals instead of individual mirrors. This is contrary to LCD projectors which use a transmissive approach. In LCoS, liquid crystals are applied directly to the surface of a silicon chip coated with an aluminized layer making it highly reflective. As the liquid crystals open and close, the light is either reflected from the mirror below, or blocked. This modulates the light and creates the image.

LCOS technology requires less optical-quality glass than do liquid crystal display and plasma display technologies, which makes it less expensive to implement in such devices as televisions.

External links

  • Biever, Celeste. 'Intel inside' comes to flat panel TVs (http://www.newscientist.com/news/news.jsp?id=ns99994550) (January 9, 2004). NewScientist.com.
  • What's so hot about LCOS technology?, a comparison of DLP and LCoS (http://www.projectorcentral.com/lcos.htm)

  Results from FactBites:
Southern Arizona Rocketry Associ (650 words)
The LCO shall announce the range procedures and any special conditions or announcements that apply to the launch before the launch begins and at any time during the launch that may be appropriate to do so.
The LCO shall determine when the range is cold and instruct fliers to begin loading rockets on their assigned launch pads.
The LCO shall announce where separated rocket parts or errant rockets are about to land so that people in the area have time to locate the rocket or other debris and move if required.
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