Electrophoretic display apparatus switchable between black-white mode and color mode
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United States of America Patent
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Apr 28, 2015
Grant Date -
Oct 3, 2013
app pub date -
Nov 6, 2012
filing date -
Apr 3, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Disclosed herein is an electrophoretic display apparatus switchable between a black-white mode and a color mode. The electrophoretic display apparatus includes an electrophoretic display panel, a light guide, a light source, a light-splitting element and a lens element. The light guide is disposed in front of a display area of the electrophoretic display panel. The light source is operable to emit a light, which is directed to the display area by the light guide. The light-splitting element is disposed between the light guide and the electrophoretic display panel, and is operable to split the light into a first, a second and a third beam each having a principal wavelength different from the others. The lens element is disposed between the light-splitting element and the display area, and is operable to direct the first, second and third beams to corresponding sub-pixels.
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