BRIGHTNESS ENHANCEMENT FILM
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United States of America Patent
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Issued Date -
Jan 23, 2025
app pub date -
Feb 22, 2024
filing date -
Feb 22, 2024
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Abstract
A brightness enhancement film adapted to be disposed on a light-exiting surface of a light-emitting module includes a substrate and a brightness enhancement structure. The substrate is light transmissive, is disposed on the light-exiting surface, and has a top surface away from the light-exiting surface. The brightness enhancement structure is disposed on the top surface of the substrate, and includes a plurality of prism portions, a plurality of pores distributed inside each of the plurality of prism portions, and a plurality of modified patterns formed downwardly from a surface of each of the plurality of prism portions.
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