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United States of America Patent
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app pub date -
Nov 23, 2015
filing date -
Nov 24, 2014
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Abstract
The disclosure generally relates to image displays. Specifically, the application relates to an overlay that, among others, enhances the brightness in image displays with color filters. Much of the incoming light to a reflective image display having a color filter layer is absorbed by the color filter layer and is therefore lost. An overlay embodiment is disclosed herein that disperses and concentrates portions of the incoming light onto specific portions of the display. The amount of light absorbed by the color filter layer may be drastically reduced and instead transmitted through the color filter where the light may be reflected or absorbed by a light modulating layer. The disclosed embodiments increase the efficiency and reflectance of the display.
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