OPTICAL SYSTEM

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United States of America Patent

APP PUB NO 20190265465A1
SERIAL NO

16408756

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Optical systems including a partial reflector, a reflective polarizer, and a retarder disposed between the partial reflector and the reflective polarizer are described. The reflective polarizer is curved about two orthogonal axes and includes at least one layer that is substantially optically uniaxial at at least one location. The optical system is adapted to provide an adjustable focus.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMINN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ambur, Gregg A River Falls, US 34 210
McDowell, Erin A Afton, US 48 184
Ouderkirk, Andrew J St. Paul, US 385 13220
Wong, Timothy L St. Paul, US 47 257
Yun, Zhisheng Woodbury, US 66 317

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