IMAGING LENS ASSEMBLY AND ELECTRONIC DEVICE
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United States of America Patent
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Issued Date -
Sep 5, 2024
app pub date -
Feb 29, 2024
filing date -
Mar 1, 2023
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Abstract
An imaging lens assembly includes an optical element. The optical element includes a substrate, a nanostructure layer and an intermediate layer. The substrate is made of transparent material. A main component of the nanostructure layer is an aluminum oxide, and the nanostructure layer has a plurality of ridge-like protrusions which extend non-directionally. Each of the ridge-like protrusions is gradually tapered from a bottom of each of the ridge-like protrusions to a top of each of the ridge-like protrusions. The intermediate layer is disposed between the substrate and the nanostructure layer, wherein the intermediate layer includes a first film and a plurality of second films. A main component of the first film is a silicon dioxide, a main component of each of the second films is the silicon dioxide, and the second films are stacked with the first film.
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