Light switch having plural shutters
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United States of America Patent
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Jun 22, 2010
Grant Date -
Feb 26, 2009
app pub date -
Aug 24, 2007
filing date -
Aug 24, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A display includes a light switch overlying a backlight and having at least two light shutters which do not, by themselves, convey information by the shape thereof. The lit area of the backlight is equal to or greater than the sum of the areas of the shutters within the area. The display can also include a graphics layer overlying the light switch. The information content of the display is changed by changing the graphics layer.
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