EMBEDDED SURFACE DIFFUSER
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United States of America Patent
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N/A
Issued Date -
Apr 23, 2015
app pub date -
Oct 18, 2013
filing date -
Oct 18, 2013
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A diffuser stack may include a first film with a first index of refraction and a second film proximate the first film. The second film may have a second index of refraction that is higher than the first index of refraction. An interface between the first film and the second film may include an array of microlenses of substantially randomized sizes. The microlenses may include sections of features that are substantially spherical, polygonal, conical, etc. The first and second films may be disposed between an array of pixels and a substantially transparent substrate. An anti-reflective layer may be disposed between the first film and the second film.
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