BRIGHTNESS ENHANCEMENT FILM
First Claim
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1. A brightness enhancement film, comprising;
- a substrate; and
a brightness enhancement structure disposed on a surface of the substrate, wherein a surface of the brightness enhancement structure has a plurality of first grooves along a first direction and a plurality of second grooves along a second direction perpendicular to the first direction, so as to define a plurality of pyramid-shaped prism units, wherein a part of the first grooves have a first groove depth, and a part of the second grooves have a second groove depth which is not equal to the first groove depth.
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Abstract
A brightness enhancement film including a substrate and a brightness enhancement structure disposed on the substrate is provided. A surface of the brightness enhancement structure has a plurality of first grooves along a first direction and a plurality of second grooves along a second direction perpendicular to the first direction, so as to define a plurality of pyramid-shaped prism units. A part of the first grooves have a first groove depth, and a part of the second grooves have a second groove depth which is not equal to the first groove depth.
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Citations
14 Claims
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1. A brightness enhancement film, comprising;
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a substrate; and a brightness enhancement structure disposed on a surface of the substrate, wherein a surface of the brightness enhancement structure has a plurality of first grooves along a first direction and a plurality of second grooves along a second direction perpendicular to the first direction, so as to define a plurality of pyramid-shaped prism units, wherein a part of the first grooves have a first groove depth, and a part of the second grooves have a second groove depth which is not equal to the first groove depth. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification