SWITCHABLE GRATING AND APPLICATION THEREOF
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United States of America Patent
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Issued Date -
Jun 30, 2016
app pub date -
Jun 22, 2015
filing date -
Jun 22, 2015
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Abstract
A switchable grating and an application thereof are provided. The switchable grating includes two electrically conductive substrates and a switchable liquid crystal grating layer, which is disposed between the two electrically conductive substrates. When an electric field is applied to a presumption area of the switchable liquid crystal grating layer by the two electrically conductive substrates, the electric field could shift an orientation of a cholesteric liquid crystal molecule of the presumption area. When the electric field is removed, the cholesteric liquid crystal molecule still maintains the aforementioned orientation, thus decreasing energy consumption. When a display device manufactured by the aforementioned switchable grating switches an image to a 2D image or a 3D image, the display device has lower energy consumption.
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