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Paired mirrors lower display power

   July 21/28, 2008
A variation on the micromirror arrays used in some large-screen televisions promises more efficient computer displays. The device uses paired micromirrors -- one stationery and the other bendable -- to rapidly switch pixels on and off.

The device transmits 36 percent of a display's backlight compared to 5 to 10 percent for liquid crystal displays. This makes it possible to use lower-power light sources.

Research paper:
A High-efficiency Display Based on a Telescopic Pixel Design
Nature Photonics, published online July 20, 2008

Researcher's homepage:
Anna L. Pyayt

 Related stories and briefs:
none

Further info:
How It Works -- Computer displays: points of light


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