Method for mixing colors in a display unit
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United States of America Patent
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Dec 11, 2012
Grant Date -
Sep 16, 2010
app pub date -
May 18, 2006
filing date -
May 21, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a method for mixing colors in a display unit with pixels that are arranged like a raster. According to said method, each pixel is provided with at least three color mirrors which are disposed behind or next to each other and are formed by transparent receptacles whose interiors are connected to reservoirs via ducts, while a colored liquid, e.g. a red liquid, as well as a fully transparent medium that is immiscible with colored liquid can be moved into the color mirrors and the reservoirs thereof, the fully transparent medium having the effect of making the color of the background in the color mirror appear white, for example. According to the invention, color is mixed by alternately moving the colored liquid and the fully transparent medium into the color mirrors in a rapid sequence, the time fraction during which the colored liquid or the fully transparent medium is located in the color mirror being controllable. In addition, the three colored liquids of the color mirrors of a pixel can be mixed so as to be successively and alternately moved into the color mirrors thereof in a rapid sequence, the time fraction during which the respective color is located in the color mirror being controllable.
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