IMAGING DEVICE WITH MICRO-SCALE OPTICAL STRUCTURES
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United States of America Patent
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Issued Date -
Nov 5, 2009
app pub date -
May 1, 2009
filing date -
May 2, 2008
priority date (Note) -
Abandoned
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Abstract
An imaging device with micro-scale optical structures comprises a plurality of display units, where each display unit comprises a plurality of micro-scale optical structures, and each micro-scale optical structure comprises a convex part, a planar part, and base part. The convex part is positioned on the base part and has an arc surface, where the arc surface comprises a left side arc face and a right side arc face for reflecting oblique incident lights from the left or the right to form a reflected light toward the front. And different arrangements of micro-scale optical structures are used for reflecting left side and right side incident lights to display different characters or images.
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