Integral multilayer optical film

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United States of America Patent

PATENT NO 12001099
APP PUB NO 20230194926A1
SERIAL NO

18080069

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Abstract

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An integral multilayer optical construction includes opposing first and second structured major surfaces having two-dimensional arrays of respective first and second structures. An optical diffuser is embedded within the optical construction between the first and second structured major surfaces. The optical diffuser has an optical haze of greater than about 5% for at least one visible wavelength in a visible wavelength range extending from about 420 nm to 680 nm. When the optical construction is disposed on a light source with one of the first and second structured major surfaces facing the light source, light emitted by the light source is transmitted by the optical construction with a cross-section of an angular luminous distribution of the transmitted light in at least one first plane that includes a normal to the optical construction, including first and second intensity peaks at respective first and second angles on opposite sides of the normal.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYP O BOX 33427 ST PAUL MN 55133-3427

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boyd, Gary T Woodbury, US 96 2057
Fan, Shu-Ching Woodbury, US 7 2
Gaides, Gary E Woodbury, US 29 526
Pongratz, Alex P Minneapolis, US 3 1

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