ASYMMETRICAL LUMINANCE ENHANCEMENT STRUCTURE FOR REFLECTIVE DISPLAY DEVICES
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United States of America Patent
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Issued Date -
Mar 17, 2016
app pub date -
Nov 24, 2015
filing date -
Jan 13, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is directed to a luminance enhancement structure comprising grooves and columns, wherein the grooves have a triangular cross-section and a top angle, and the triangular cross-section having two sides which are not equal. The luminance enhancement structure is useful for reflective display devices. The structure can reduce total internal reflection, thus enhancing the brightness of a display device.
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