Display device having front illuminator with turning features
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United States of America Patent
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Oct 28, 2014
Grant Date -
Jun 10, 2010
app pub date -
Sep 26, 2007
filing date -
Oct 6, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
In various embodiments described herein, a display device includes a front illumination device that comprises a light guide disposed forward of an array of display elements, such as an array of interferometric modulators, to distribute light across the array of display elements. The light guide panel may include a turning layer to deliver uniform illumination from a light source to the array of display elements. For many portable display applications, the light guide panel comprises the substrate used in fabricating the display elements. The light guide panel may include additional films as well. The light guide panel, for example, may include a diffuser and/or an optical isolation layer to further enhance the optical imaging characteristics of the display.
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