ASYMMETRICAL LUMINANCE ENHANCEMENT STRUCTURE FOR REFLECTIVE DISPLAY DEVICES
First Claim
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1. A luminance enhancement structure comprising grooves and columns, wherein said grooves have a triangular cross-section and a top angle and said triangular cross-section having two sides which are not equal.
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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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20 Claims
- 1. A luminance enhancement structure comprising grooves and columns, wherein said grooves have a triangular cross-section and a top angle and said triangular cross-section having two sides which are not equal.
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